sessionmanager.lib.php 129 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799
  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This is the session library for Chamilo.
  5. * All main sessions functions should be placed here.
  6. * This class provides methods for sessions management.
  7. * Include/require it in your code to use its features.
  8. * @package chamilo.library
  9. */
  10. /**
  11. * The SessionManager class manages all the Chamilo sessions (as in course
  12. * groups).
  13. * @package chamilo.library.session
  14. */
  15. class SessionManager {
  16. //See BT#4871
  17. CONST SESSION_CHANGE_USER_REASON_SCHEDULE = 1;
  18. CONST SESSION_CHANGE_USER_REASON_CLASSROOM = 2;
  19. CONST SESSION_CHANGE_USER_REASON_LOCATION = 3;
  20. CONST SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION = 4;
  21. CONST DEFAULT_VISIBILITY = 4; //SESSION_AVAILABLE
  22. /**
  23. * Fetches a session from the database
  24. * @param int Session ID
  25. * @return array Session details
  26. * @assert (-1) === array()
  27. */
  28. public static function fetch($id) {
  29. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  30. if ($id != strval(intval($id))) { return array(); }
  31. $s = "SELECT * FROM $t WHERE id = $id";
  32. $r = Database::query($s);
  33. if (Database::num_rows($r) != 1) { return array(); }
  34. return Database::fetch_array($r,'ASSOC');
  35. }
  36. /**
  37. * Creates a session
  38. * @param array Fields to use in the creation of the session
  39. * @param boolean Whether to allow for same-name sessions or not.
  40. * @assert (array()) === false
  41. */
  42. public static function add($params, $allow_homonyms=false) {
  43. global $_configuration;
  44. //just in case
  45. if (isset($params['id'])) {
  46. unset($params['id']);
  47. }
  48. //Check portal limits
  49. $access_url_id = 1;
  50. if (api_is_multiple_url_enabled()) {
  51. $access_url_id = api_get_current_access_url_id();
  52. }
  53. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  54. $num = self::count_sessions();
  55. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  56. return get_lang('PortalSessionsLimitReached');
  57. }
  58. }
  59. if (!$allow_homonyms) {
  60. $my_session_result = SessionManager::get_session_by_name($params['name']);
  61. $session_id = null;
  62. if ($my_session_result == false) {
  63. $session_model = new SessionModel();
  64. $session_id = $session_model->save($params);
  65. } else {
  66. error_log('Session already exists with name: '.$params['name']." session_id: ".$my_session_result['id']);
  67. }
  68. } else {
  69. //with the allow_homonyms option, two sessions can share names
  70. $session_model = new SessionModel();
  71. $session_id = $session_model->save($params);
  72. }
  73. if (!empty($session_id)) {
  74. /*
  75. Sends a message to the user_id = 1
  76. $user_info = api_get_user_info(1);
  77. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  78. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  79. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  80. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  81. *
  82. */
  83. //Saving extra fields
  84. $session_field_value = new SessionFieldValue();
  85. $params['session_id'] = $session_id;
  86. $session_field_value->save_field_values($params);
  87. //Adding to the correct URL
  88. $access_url_id = api_get_current_access_url_id();
  89. UrlManager::add_session_to_url($session_id, $access_url_id);
  90. // Add event to system log
  91. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), api_get_user_id());
  92. if (isset($params['course_code'])) {
  93. self::add_courses_to_session($session_id, array($params['course_code']));
  94. //Update default course gradebook to the session if exists
  95. $create_gradebook_evaluation = isset($params['create_gradebook_evaluation']) ? $params['create_gradebook_evaluation'] : false;
  96. if ($create_gradebook_evaluation) {
  97. require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
  98. $category_id = create_default_course_gradebook($params['course_code'], false, $session_id);
  99. /*
  100. if ($category_id && isset($params['gradebook_params'])) {
  101. $eval = new Evaluation();
  102. $eval->set_name($params['gradebook_params']['name']);
  103. $eval->set_user_id($params['gradebook_params']['user_id']);
  104. $eval->set_course_code($params['course_code']);
  105. $eval->set_category_id($category_id);
  106. $eval->set_weight($params['gradebook_params']['weight']);
  107. $eval->set_max($params['gradebook_params']['max']);
  108. $eval->set_visible(0);
  109. $eval->add();
  110. }*/
  111. /*$tbl_gradebook_category = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
  112. $sql = "SELECT id FROM $tbl_gradebook_category WHERE course_code = {$params['course_code']} AND session_id = 0 LIMIT 1";
  113. $result = Database::query($sql);
  114. if (Database::num_rows($result)) {
  115. $gradebook_data = Database::fetch_array($result, 'ASSOC');
  116. if (!empty($gradebook_data)) {
  117. $sql = "UPDATE SET session_id = $session_id WHERE id = {$gradebook_data['id']}";
  118. Database::query($sql);
  119. }
  120. }*/
  121. }
  122. }
  123. } else {
  124. if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
  125. $my_session_result = SessionManager::get_session_by_name($params['name']);
  126. $session_id = $my_session_result['id'];
  127. }
  128. }
  129. return $session_id;
  130. }
  131. /**
  132. * Updates a session with the given array of field values
  133. * @param array An array of fields values
  134. * @return void
  135. * @assert (null) === false
  136. */
  137. public static function update($params) {
  138. if (empty($params) || count($params)<1) {
  139. return false;
  140. }
  141. $session_model = new SessionModel();
  142. $session_model->update($params);
  143. if (!empty($params['id'])) {
  144. $session_field_value = new SessionFieldValue();
  145. $params['session_id'] = $params['id'];
  146. unset($params['id']);
  147. $session_field_value->save_field_values($params);
  148. }
  149. }
  150. /**
  151. * Checks whether a session already exists with the given name (used in
  152. * add() to avoid homonym sessions)
  153. * @param string A session name
  154. * @assert ('') === false
  155. */
  156. function session_name_exists($session_name) {
  157. $session_name = Database::escape_string($session_name);
  158. $result = Database::fetch_array(Database::query("SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." WHERE name = '$session_name' "));
  159. return $result['count'] > 0;
  160. }
  161. /**
  162. * Gets the admin session list callback of the admin/session_list.php page
  163. * @param array order and limit keys
  164. * @param boolean Whether to get all the results or only the count
  165. * @return mixed Integer for number of rows, or array of results
  166. * @assert (array(),true) !== false
  167. */
  168. public static function get_sessions_admin($options = array(), $get_count = false) {
  169. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  170. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  171. $tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
  172. $where = 'WHERE 1 = 1 ';
  173. $user_id = api_get_user_id();
  174. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  175. $where .=" AND s.session_admin_id = $user_id ";
  176. }
  177. if (!api_is_platform_admin() && api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'true') {
  178. $where .=" AND s.id_coach = $user_id ";
  179. }
  180. $inject_extra_fields = null;
  181. $extra_fields = array();
  182. $extra_fields_info = array();
  183. //for now only sessions
  184. $extra_field = new ExtraField('session');
  185. $double_fields = array();
  186. $extra_field_option = new ExtraFieldOption('session');
  187. $extra_present = false;
  188. if (isset($options['extra'])) {
  189. $extra_fields = $options['extra'];
  190. if (!empty($extra_fields)) {
  191. $extra_present = true;
  192. $counter = 1;
  193. foreach ($extra_fields as &$extra) {
  194. $extra_field_obj= new ExtraField('session');
  195. $extra_field_info = $extra_field_obj->get($extra['id']);
  196. $extra['extra_field_info'] = $extra_field_info;
  197. if (in_array($extra_field_info['field_type'], array(
  198. ExtraField::FIELD_TYPE_SELECT,
  199. ExtraField::FIELD_TYPE_SELECT,
  200. ExtraField::FIELD_TYPE_DOUBLE_SELECT
  201. ))
  202. ) {
  203. $inject_extra_fields .= " fvo$counter.option_display_text as {$extra['field']}, ";
  204. } else {
  205. $inject_extra_fields .= " fv$counter.field_value as {$extra['field']}, ";
  206. }
  207. if (isset($extra_fields_info[$extra['id']])) {
  208. $info = $extra_fields_info[$extra['id']];
  209. } else {
  210. $info = $extra_field->get($extra['id']);
  211. $extra_fields_info[$extra['id']] = $info;
  212. }
  213. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  214. $double_fields[$info['id']] = $info;
  215. }
  216. $counter++;
  217. }
  218. }
  219. }
  220. $options_by_double = array();
  221. foreach ($double_fields as $double) {
  222. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  223. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  224. }
  225. if ($get_count == true) {
  226. $select = " SELECT count(*) as total_rows";
  227. } else {
  228. $select =
  229. "SELECT DISTINCT ".
  230. " s.name, ".
  231. " s.display_start_date, ".
  232. " s.display_end_date, ".
  233. " access_start_date, ".
  234. " access_end_date, ".
  235. " s.visibility, ".
  236. " $inject_extra_fields ".
  237. " s.id ";
  238. }
  239. //filter can be all/any = and/or
  240. $inject_joins = null;
  241. $inject_where = null;
  242. $field_value_to_join = array();
  243. if (!empty($options['where'])) {
  244. if (!empty($options['extra'])) {
  245. //Removing double 1=1
  246. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  247. //Always OR
  248. $counter = 1;
  249. foreach ($extra_fields as $extra_info) {
  250. $extra_field_info = $extra_info['extra_field_info'];
  251. $inject_joins .= " INNER JOIN $tbl_session_field_values fv$counter ON (s.id = fv$counter.session_id) ";
  252. //Add options
  253. if (in_array($extra_field_info['field_type'], array(
  254. ExtraField::FIELD_TYPE_SELECT,
  255. ExtraField::FIELD_TYPE_SELECT,
  256. ExtraField::FIELD_TYPE_DOUBLE_SELECT
  257. ))
  258. ) {
  259. $options['where'] = str_replace($extra_info['field'], 'fv'.$counter.'.field_id = '.$extra_info['id'].' AND fvo'.$counter.'.option_value', $options['where']);
  260. $inject_joins .= " INNER JOIN $tbl_session_field_options fvo$counter ".
  261. " ON (fv$counter.field_id = fvo$counter.field_id AND fv$counter.field_value = fvo$counter.option_value) ";
  262. } else {
  263. //text, textarea, etc
  264. $options['where'] = str_replace($extra_info['field'], 'fv'.$counter.'.field_id = '.$extra_info['id'].' AND fv'.$counter.'.field_value', $options['where']);
  265. }
  266. $field_value_to_join[] = " fv$counter.session_id ";
  267. $counter++;
  268. }
  269. if (!empty($field_value_to_join)) {
  270. //$inject_where .= " AND s.id = ".implode(' = ', $field_value_to_join);
  271. }
  272. }
  273. $where .= ' AND '.$options['where'];
  274. }
  275. $query = "$select FROM $tbl_session s $inject_joins $where $inject_where";
  276. if (api_is_multiple_url_enabled()) {
  277. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  278. $access_url_id = api_get_current_access_url_id();
  279. //" LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id) ".
  280. if ($access_url_id != -1) {
  281. $where.= " AND ar.access_url_id = $access_url_id ";
  282. $query = "$select FROM $tbl_session s $inject_joins INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id) $where";
  283. }
  284. }
  285. if (!empty($options['order'])) {
  286. $query .= " ORDER BY ".$options['order'];
  287. }
  288. if (!empty($options['limit'])) {
  289. $query .= " LIMIT ".$options['limit'];
  290. }
  291. if ($get_count == false) {
  292. //echo $query;exit;
  293. }
  294. $result = Database::query($query);
  295. $formatted_sessions = array();
  296. if (Database::num_rows($result)) {
  297. $sessions = Database::store_result($result, 'ASSOC');
  298. if ($get_count) {
  299. return $sessions[0]['total_rows'];
  300. }
  301. foreach ($sessions as $session) {
  302. $session_id = $session['id'];
  303. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  304. if (isset($session['session_active']) && $session['session_active'] == 1) {
  305. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  306. } else {
  307. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  308. }
  309. $session = self::convert_dates_to_local($session);
  310. switch ($session['visibility']) {
  311. case SESSION_VISIBLE_READ_ONLY: //1
  312. $session['visibility'] = get_lang('ReadOnly');
  313. break;
  314. case SESSION_VISIBLE: //2
  315. case SESSION_AVAILABLE: //4
  316. $session['visibility'] = get_lang('Visible');
  317. break;
  318. case SESSION_INVISIBLE: //3
  319. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  320. break;
  321. }
  322. //Cleaning double selects
  323. //var_dump($session);
  324. foreach ($session as $key => &$value) {
  325. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  326. $options = explode('::', $value);
  327. }
  328. $original_key = $key;
  329. if (strpos($key, '_second') === false) {
  330. } else {
  331. $key = str_replace('_second', '', $key);
  332. }
  333. if (isset($options_by_double[$key])) {
  334. if (isset($options[0])) {
  335. if (isset($options_by_double[$key][$options[0]])) {
  336. if (strpos($original_key, '_second') === false) {
  337. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  338. } else {
  339. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  340. }
  341. }
  342. }
  343. }
  344. }
  345. $formatted_sessions[$session_id] = $session;
  346. }
  347. }
  348. return $formatted_sessions;
  349. }
  350. /**
  351. * Gets the number of rows in the session table filtered through the given
  352. * array of parameters
  353. * @param array Array of options/filters/keys
  354. * @return integer The number of rows, or false on wrong param
  355. * @assert ('a') === false
  356. */
  357. static function get_count_admin_complete($options = array()) {
  358. if (!is_array($options)) {
  359. return false;
  360. }
  361. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  362. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  363. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  364. $where = 'WHERE 1 = 1 ';
  365. $user_id = api_get_user_id();
  366. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_see_all_sessions') == 'false') {
  367. $where.=" WHERE s.session_admin_id = $user_id ";
  368. }
  369. if (!empty($options['where'])) {
  370. if (!empty($options['extra'])) {
  371. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  372. $options['where'] = str_replace('AND', 'OR', $options['where']);
  373. foreach ($options['extra'] as $extra) {
  374. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  375. }
  376. }
  377. $where .= ' AND '.$options['where'];
  378. }
  379. $query_rows = "SELECT count(*) as total_rows
  380. FROM $tbl_session s
  381. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  382. INNER JOIN $tbl_user u ON s.id_coach = u.user_id $where ";
  383. if (api_is_multiple_url_enabled()) {
  384. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  385. $access_url_id = api_get_current_access_url_id();
  386. if ($access_url_id != -1) {
  387. $where.= " AND ar.access_url_id = $access_url_id ";
  388. $query_rows = "SELECT count(*) as total_rows
  389. FROM $tbl_session s
  390. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  391. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  392. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id $where ";
  393. }
  394. }
  395. $result_rows = Database::query($query_rows);
  396. $recorset = Database::fetch_array($result_rows);
  397. $num = $recorset['total_rows'];
  398. return $num;
  399. }
  400. /**
  401. * Gets the admin session list callback of the admin/session_list.php
  402. * page with all user/details in the right fomat
  403. * @param array order and limit keys
  404. * @result array Array of rows results
  405. * @asset ('a') === false
  406. */
  407. public static function get_sessions_admin_complete($options = array()) {
  408. if (!is_array($options)) {
  409. return false;
  410. }
  411. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  412. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  413. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  414. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  415. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  416. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  417. $tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
  418. $where = 'WHERE 1 = 1 ';
  419. $user_id = api_get_user_id();
  420. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  421. $where.=" AND s.session_admin_id = $user_id ";
  422. }
  423. $coach_name = " CONCAT (u.lastname , ' ', u.firstname) as coach_name ";
  424. if (api_is_western_name_order()) {
  425. $coach_name = " CONCAT (u.firstname, ' ', u.lastname) as coach_name ";
  426. }
  427. $today = api_get_utc_datetime();
  428. $inject_extra_fields = null;
  429. $extra_fields = array();
  430. $extra_fields_info = array();
  431. //for now only sessions
  432. $extra_field = new ExtraField('session');
  433. $double_fields = array();
  434. $extra_field_option = new ExtraFieldOption('session');
  435. if (isset($options['extra'])) {
  436. $extra_fields = $options['extra'];
  437. if (!empty($extra_fields)) {
  438. foreach ($extra_fields as $extra) {
  439. $inject_extra_fields .= " IF (fv.field_id = {$extra['id']}, fvo.option_display_text, NULL ) as {$extra['field']} , ";
  440. if (isset($extra_fields_info[$extra['id']])) {
  441. $info = $extra_fields_info[$extra['id']];
  442. } else {
  443. $info = $extra_field->get($extra['id']);
  444. $extra_fields_info[$extra['id']] = $info;
  445. }
  446. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  447. $double_fields[$info['id']] = $info;
  448. }
  449. }
  450. }
  451. }
  452. $options_by_double = array();
  453. foreach ($double_fields as $double) {
  454. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  455. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  456. }
  457. //var_dump($options_by_double);
  458. //sc.name as category_name,
  459. $select = "
  460. SELECT * FROM (
  461. SELECT DISTINCT
  462. IF (
  463. (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
  464. (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
  465. (s.access_start_date <= '$today' AND '0000-00-00 00:00:00' = s.access_end_date) OR
  466. ('$today' < s.access_end_date AND '0000-00-00 00:00:00' = s.access_start_date)
  467. , 1, 0) as session_active,
  468. s.name,
  469. s.nbr_courses,
  470. s.nbr_users,
  471. s.display_start_date,
  472. s.display_end_date,
  473. $coach_name,
  474. access_start_date,
  475. access_end_date,
  476. s.visibility,
  477. u.user_id,
  478. $inject_extra_fields
  479. c.title as course_title,
  480. s.id ";
  481. if (!empty($options['where'])) {
  482. if (!empty($options['extra'])) {
  483. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  484. $options['where'] = str_replace('AND', 'OR', $options['where']);
  485. foreach ($options['extra'] as $extra) {
  486. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  487. }
  488. }
  489. $options['where'] = str_replace('course_title', 'c.title', $options['where']);
  490. $where .= ' AND '.$options['where'];
  491. }
  492. if (!empty($options['limit'])) {
  493. $where .= " LIMIT ".$options['limit'];
  494. }
  495. $query = "$select FROM $tbl_session s
  496. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  497. INNER JOIN $tbl_session_field_options fvo ON (fv.field_id = fvo.field_id)
  498. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  499. LEFT JOIN $tbl_course c ON (src.course_code = c.code)
  500. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  501. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id) ".
  502. $where;
  503. if (api_is_multiple_url_enabled()) {
  504. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  505. $access_url_id = api_get_current_access_url_id();
  506. if ($access_url_id != -1) {
  507. $where.= " AND ar.access_url_id = $access_url_id ";
  508. $query = "$select
  509. FROM $tbl_session s
  510. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  511. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  512. LEFT JOIN $tbl_course c ON (src.course_code = c.code)
  513. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  514. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id)
  515. INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id)
  516. $where";
  517. }
  518. }
  519. $query .= ") AS session_table";
  520. if (!empty($options['order'])) {
  521. $query .= " ORDER BY ".$options['order'];
  522. }
  523. //error_log($query);
  524. // echo $query;
  525. $result = Database::query($query);
  526. $formatted_sessions = array();
  527. if (Database::num_rows($result)) {
  528. $sessions = Database::store_result($result, 'ASSOC');
  529. foreach ($sessions as $session) {
  530. $session_id = $session['id'];
  531. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  532. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
  533. if ($session['session_active'] == 1) {
  534. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  535. } else {
  536. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  537. }
  538. $session = self::convert_dates_to_local($session);
  539. switch ($session['visibility']) {
  540. case SESSION_VISIBLE_READ_ONLY: //1
  541. $session['visibility'] = get_lang('ReadOnly');
  542. break;
  543. case SESSION_VISIBLE: //2
  544. case SESSION_AVAILABLE: //4
  545. $session['visibility'] = get_lang('Visible');
  546. break;
  547. case SESSION_INVISIBLE: //3
  548. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  549. break;
  550. }
  551. //Cleaning double selects
  552. //var_dump($session);
  553. foreach ($session as $key => &$value) {
  554. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  555. $options = explode('::', $value);
  556. }
  557. $original_key = $key;
  558. if (strpos($key, '_second') === false) {
  559. } else {
  560. $key = str_replace('_second', '', $key);
  561. }
  562. if (isset($options_by_double[$key])) {
  563. if (isset($options[0])) {
  564. if (isset($options_by_double[$key][$options[0]])) {
  565. if (strpos($original_key, '_second') === false) {
  566. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  567. } else {
  568. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  569. }
  570. }
  571. }
  572. }
  573. }
  574. //Magic filter
  575. if (isset($formatted_sessions[$session_id])) {
  576. $formatted_sessions[$session_id] = self::compare_arrays_to_merge($formatted_sessions[$session_id], $session);
  577. } else {
  578. $formatted_sessions[$session_id] = $session;
  579. }
  580. }
  581. }
  582. return $formatted_sessions;
  583. }
  584. /**
  585. *
  586. */
  587. static function compare_arrays_to_merge($array1, $array2) {
  588. if (empty($array2)) {
  589. return $array1;
  590. }
  591. foreach ($array1 as $key => $item) {
  592. if (!isset($array1[$key])) {
  593. //My string is empty try the other one
  594. if (isset($array2[$key]) && !empty($array2[$key])) {
  595. $array1[$key] = $array2[$key];
  596. }
  597. }
  598. }
  599. return $array1;
  600. }
  601. /**
  602. * Converts all dates sent through the param array (given form) to correct
  603. * dates with timezones
  604. * @param array The dates
  605. * @return array The same array, with times converted
  606. * @assert ('a') === false
  607. */
  608. static function convert_dates_to_local($params) {
  609. if (!is_array($params)) {
  610. return false;
  611. }
  612. $params['display_start_date'] = api_get_local_time($params['display_start_date'], null, null, true);
  613. $params['display_end_date'] = api_get_local_time($params['display_end_date'], null, null, true);
  614. $params['access_start_date'] = api_get_local_time($params['access_start_date'], null, null, true);
  615. $params['access_end_date'] = api_get_local_time($params['access_end_date'], null, null, true);
  616. $params['coach_access_start_date'] = isset($params['coach_access_start_date']) ? api_get_local_time($params['coach_access_start_date'], null, null, true) : null;
  617. $params['coach_access_end_date'] = isset($params['coach_access_end_date']) ? api_get_local_time($params['coach_access_end_date'], null, null, true) : null;
  618. return $params;
  619. }
  620. /**
  621. * Creates a new course code based in given code
  622. *
  623. * @param string wanted code
  624. * <code>
  625. * $wanted_code = 'sess' if there are names like sess, sess1, sess2 in the
  626. * database already, the function will return: sess3
  627. * if the session name doesn't exist in the DB the same name is returned
  628. * </code>
  629. * @return string wanted unused code
  630. */
  631. function generate_nice_next_session_name($session_name) {
  632. $session_name_ok = !self::session_name_exists($session_name);
  633. if (!$session_name_ok) {
  634. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  635. $session_name = Database::escape_string($session_name);
  636. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  637. $result = Database::query($sql);
  638. if (Database::num_rows($result) > 0 ) {
  639. $row = Database::fetch_array($result);
  640. $count = $row['count'] + 1;
  641. $session_name = $session_name.'_'.$count;
  642. $result = self::session_name_exists($session_name);
  643. if (!$result) {
  644. return $session_name;
  645. }
  646. }
  647. return false;
  648. }
  649. return $session_name;
  650. }
  651. /**
  652. * Edit a session
  653. * @author Carlos Vargas from existing code
  654. * @param integer id
  655. * @param string name
  656. * @param integer year_start
  657. * @param integer month_start
  658. * @param integer day_start
  659. * @param integer year_end
  660. * @param integer month_end
  661. * @param integer day_end
  662. * @param integer nb_days_acess_before
  663. * @param integer nb_days_acess_after
  664. * @param integer nolimit
  665. * @param integer id_coach
  666. * @param integer id_session_category
  667. * @return $id;
  668. * The parameter id is a primary key
  669. **/
  670. /*
  671. public static function edit_session ($id,$name,$year_start,$month_start,$day_start,$year_end,$month_end,$day_end,$nb_days_acess_before,$nb_days_acess_after,$nolimit,$id_coach, $id_session_category, $id_visibility, $start_limit = true, $end_limit = true) {
  672. global $_user;
  673. $name=trim(stripslashes($name));
  674. $year_start=intval($year_start);
  675. $month_start=intval($month_start);
  676. $day_start=intval($day_start);
  677. $year_end=intval($year_end);
  678. $month_end=intval($month_end);
  679. $day_end=intval($day_end);
  680. $id_coach= intval($id_coach);
  681. $nb_days_acess_before= intval($nb_days_acess_before);
  682. $nb_days_acess_after = intval($nb_days_acess_after);
  683. $id_session_category = intval($id_session_category);
  684. $id_visibility = intval($id_visibility);
  685. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  686. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  687. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  688. if (empty($nolimit)) {
  689. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  690. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  691. } else {
  692. $date_start = "0000-00-00";
  693. $date_end = "0000-00-00";
  694. $id_visibility = 1;//force read only
  695. }
  696. if (!empty($no_end_limit)) {
  697. $date_end = "0000-00-00";
  698. }
  699. if (empty($end_limit)) {
  700. $date_end ="0000-00-00";
  701. $id_visibility = 1;//force read only
  702. }
  703. if (empty($start_limit)) {
  704. $date_start ="0000-00-00";
  705. }
  706. if (empty($name)) {
  707. $msg=get_lang('SessionNameIsRequired');
  708. return $msg;
  709. } elseif (empty($id_coach)) {
  710. $msg=get_lang('CoachIsRequired');
  711. return $msg;
  712. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) {
  713. $msg=get_lang('InvalidStartDate');
  714. return $msg;
  715. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) {
  716. $msg=get_lang('InvalidEndDate');
  717. return $msg;
  718. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  719. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  720. return $msg;
  721. } else {
  722. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='".Database::escape_string($name)."'");
  723. $exists = false;
  724. while ($row = Database::fetch_array($rs)) {
  725. if($row['id']!=$id)
  726. $exists = true;
  727. }
  728. if ($exists) {
  729. $msg=get_lang('SessionNameAlreadyExists');
  730. return $msg;
  731. } else {
  732. $sql="UPDATE $tbl_session " .
  733. "SET name='".Database::escape_string($name)."',
  734. date_start='".$date_start."',
  735. date_end='".$date_end."',
  736. id_coach='".$id_coach."',
  737. nb_days_access_before_beginning = ".$nb_days_acess_before.",
  738. nb_days_access_after_end = ".$nb_days_acess_after.",
  739. session_category_id = ".$id_session_category." ,
  740. visibility= ".$id_visibility."
  741. WHERE id='$id'";
  742. Database::query($sql);
  743. return $id;
  744. }
  745. }
  746. }
  747. */
  748. /**
  749. * Delete session
  750. * @author Carlos Vargas from existing code
  751. * @param array id_checked
  752. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  753. * @return void Nothing, or false on error
  754. * The parameters is a array to delete sessions
  755. **/
  756. public static function delete_session ($id_checked, $from_ws = false) {
  757. $tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
  758. $tbl_session_rel_course= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  759. $tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  760. $tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
  761. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  762. global $_user;
  763. if(is_array($id_checked)) {
  764. $id_checked = Database::escape_string(implode(',',$id_checked));
  765. } else {
  766. $id_checked = intval($id_checked);
  767. }
  768. if (!api_is_platform_admin() && !$from_ws) {
  769. $sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
  770. $rs = Database::query($sql);
  771. if (Database::result($rs,0,0)!=$_user['user_id']) {
  772. api_not_allowed(true);
  773. }
  774. }
  775. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  776. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  777. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  778. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  779. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  780. // delete extra session fields
  781. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  782. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  783. // Delete extra fields from session where field variable is "SECCION"
  784. $sql = "SELECT t_sfv.field_id FROM $t_sfv t_sfv, $t_sf t_sf WHERE t_sfv.session_id = '$id_checked' AND t_sf.field_variable = 'SECCION' ";
  785. $rs_field = Database::query($sql);
  786. $field_id = 0;
  787. if (Database::num_rows($rs_field) == 1) {
  788. $row_field = Database::fetch_row($rs_field);
  789. $field_id = $row_field[0];
  790. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  791. $rs_delete_sfv = Database::query($sql_delete_sfv);
  792. }
  793. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  794. $rs_field_id = Database::query($sql);
  795. if (Database::num_rows($rs_field_id) == 0) {
  796. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  797. $rs_delete_sf = Database::query($sql_delete_sf);
  798. }
  799. /*
  800. $sql = "SELECT distinct field_id FROM $t_sfv WHERE session_id = '$id_checked'";
  801. $res_field_ids = @Database::query($sql);
  802. if (Database::num_rows($res_field_ids) > 0) {
  803. while($row_field_id = Database::fetch_row($res_field_ids)){
  804. $field_ids[] = $row_field_id[0];
  805. }
  806. }
  807. //delete from table_session_field_value from a given session id
  808. $sql_session_field_value = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  809. @Database::query($sql_session_field_value);
  810. $sql = "SELECT distinct field_id FROM $t_sfv";
  811. $res_field_all_ids = @Database::query($sql);
  812. if (Database::num_rows($res_field_all_ids) > 0) {
  813. while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
  814. $field_all_ids[] = $row_field_all_id[0];
  815. }
  816. }
  817. if (count($field_ids) > 0 && count($field_all_ids) > 0) {
  818. foreach($field_ids as $field_id) {
  819. // check if field id is used into table field value
  820. if (in_array($field_id,$field_all_ids)) {
  821. continue;
  822. } else {
  823. $sql_session_field = "DELETE FROM $t_sf WHERE id = '$field_id'";
  824. Database::query($sql_session_field);
  825. }
  826. }
  827. }
  828. */
  829. // Add event to system log
  830. $user_id = api_get_user_id();
  831. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $user_id);
  832. }
  833. /**
  834. * Subscribes users (students) to the given session and optionally (default) unsubscribes previous users
  835. * @author Carlos Vargas from existing code
  836. * @param integer Session ID
  837. * @param array List of user IDs
  838. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  839. * @return void Nothing, or false on error
  840. **/
  841. public static function suscribe_users_to_session($id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false) {
  842. if ($id_session!= strval(intval($id_session))) return false;
  843. foreach ($user_list as $intUser){
  844. if ($intUser!= strval(intval($intUser))) return false;
  845. }
  846. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  847. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  848. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  849. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  850. $session_info = api_get_session_info($id_session);
  851. if ($session_info) {
  852. $session_name = $session_info['name'];
  853. } else {
  854. return false;
  855. }
  856. //from function parameter
  857. if (empty($session_visibility)) {
  858. $session_visibility = $session_info['visibility']; //loaded from DB
  859. //default status loaded if empty
  860. if (empty($session_visibility))
  861. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  862. } else {
  863. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  864. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  865. }
  866. }
  867. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  868. $result = Database::query($sql);
  869. $existingUsers = array();
  870. while ($row = Database::fetch_array($result)) {
  871. $existingUsers[] = $row['id_user'];
  872. }
  873. $sql = "SELECT course_code FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  874. $result = Database::query($sql);
  875. $course_list = array();
  876. while ($row = Database::fetch_array($result)) {
  877. $course_list[] = $row['course_code'];
  878. }
  879. if ($send_email) {
  880. //sending emails only
  881. if (is_array($user_list) && count($user_list)>0) {
  882. foreach ($user_list as $user_id) {
  883. if (!in_array($user_id, $existingUsers)) {
  884. $subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
  885. $user_info = api_get_user_info($user_id);
  886. $content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  887. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  888. }
  889. }
  890. }
  891. }
  892. foreach ($course_list as $enreg_course) {
  893. // for each course in the session
  894. $nbr_users = 0;
  895. $enreg_course = Database::escape_string($enreg_course);
  896. // delete existing users
  897. if ($empty_users) {
  898. foreach ($existingUsers as $existing_user) {
  899. if (!in_array($existing_user, $user_list)) {
  900. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user' AND status = 0";
  901. Database::query($sql);
  902. if (Database::affected_rows()) {
  903. $nbr_users--;
  904. }
  905. }
  906. }
  907. }
  908. //Replace with this new function
  909. //
  910. // insert new users into session_rel_course_rel_user and ignore if they already exist
  911. foreach ($user_list as $enreg_user) {
  912. if(!in_array($enreg_user, $existingUsers)) {
  913. $enreg_user = Database::escape_string($enreg_user);
  914. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility, status) VALUES('$id_session','$enreg_course','$enreg_user','$session_visibility', '0')";
  915. Database::query($insert_sql);
  916. if(Database::affected_rows()) {
  917. $nbr_users++;
  918. }
  919. }
  920. }
  921. // count users in this session-course relation
  922. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
  923. $rs = Database::query($sql);
  924. list($nbr_users) = Database::fetch_array($rs);
  925. // update the session-course relation to add the users total
  926. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  927. Database::query($update_sql);
  928. }
  929. // Delete users from the session
  930. if ($empty_users === true) {
  931. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
  932. }
  933. // Insert missing users into session
  934. $nbr_users = 0;
  935. foreach ($user_list as $enreg_user) {
  936. $enreg_user = Database::escape_string($enreg_user);
  937. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
  938. Database::query($insert_sql);
  939. //Reset moved_to just in case
  940. $update_sql = "UPDATE $tbl_session_rel_user SET moved_to = 0, moved_status = 0, moved_at ='0000-00-00 00:00:00'
  941. WHERE id_session = $id_session AND id_user = $enreg_user";
  942. Database::query($update_sql);
  943. $nbr_users++;
  944. }
  945. // update number of users in the session
  946. $nbr_users = count($user_list);
  947. if ($empty_users) {
  948. // update number of users in the session
  949. $update_sql = "UPDATE $tbl_session SET nbr_users = $nbr_users WHERE id='$id_session' ";
  950. Database::query($update_sql);
  951. } else {
  952. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users + $nbr_users WHERE id='$id_session' ";
  953. Database::query($update_sql);
  954. }
  955. }
  956. function subscribe_users_to_session_course($user_list, $session_id, $course_code, $session_visibility = SESSION_VISIBLE_READ_ONLY ) {
  957. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  958. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  959. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  960. return false;
  961. }
  962. $session_id = intval($session_id);
  963. $course_code = Database::escape_string($course_code);
  964. $session_visibility = intval($session_visibility);
  965. $nbr_users = 0;
  966. foreach ($user_list as $enreg_user) {
  967. //if (!in_array($enreg_user, $existingUsers)) {
  968. $enreg_user = intval($enreg_user);
  969. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user,visibility)
  970. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  971. Database::query($insert_sql);
  972. if (Database::affected_rows()) {
  973. $nbr_users++;
  974. }
  975. //}
  976. }
  977. // count users in this session-course relation
  978. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
  979. $rs = Database::query($sql);
  980. list($nbr_users) = Database::fetch_array($rs);
  981. // update the session-course relation to add the users total
  982. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  983. Database::query($update_sql);
  984. }
  985. /**
  986. * Unsubscribe user from session
  987. *
  988. * @param int session id
  989. * @param int user id
  990. * @param int reason of unsubscription see function get_session_change_user_reasons()
  991. * @return bool true in case of success, false in case of error
  992. */
  993. public static function unsubscribe_user_from_session($session_id, $user_id) {
  994. $session_id = intval($session_id);
  995. $user_id = intval($user_id);
  996. $reason_id = intval($reason_id);
  997. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  998. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  999. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1000. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1001. $user_status = SessionManager::get_user_status_in_session($session_id, $user_id);
  1002. if ($user_status['moved_to'] != 0) {
  1003. //You can't subscribe a user that was moved
  1004. return false;
  1005. }
  1006. $delete_sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user ='$user_id' AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  1007. Database::query($delete_sql);
  1008. $return = Database::affected_rows();
  1009. // Update number of users
  1010. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  1011. Database::query($update_sql);
  1012. // Get the list of courses related to this session
  1013. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1014. if (!empty($course_list)) {
  1015. foreach($course_list as $course) {
  1016. $course_code = $course['code'];
  1017. // Delete user from course
  1018. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'");
  1019. if(Database::affected_rows()) {
  1020. // Update number of users in this relation
  1021. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1 WHERE id_session='$session_id' AND course_code='$course_code'");
  1022. }
  1023. }
  1024. }
  1025. return true;
  1026. }
  1027. /**
  1028. *
  1029. * @param int $session_id
  1030. * @param array user id list
  1031. * @param string $course_code
  1032. */
  1033. static function unsubscribe_user_from_course_session($session_id, $user_list, $course_code) {
  1034. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1035. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1036. if (is_array($user_list) && count($user_list)>0 ) {
  1037. array_map('intval', $user_list);
  1038. $user_list = implode(',', $user_list);
  1039. }
  1040. $session_id = intval($session_id);
  1041. $course_code = Database::escape_string($course_code);
  1042. if (!empty($user_list)) {
  1043. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='".$course_code."' AND id_user IN($user_list)");
  1044. $nbr_affected_rows = Database::affected_rows();
  1045. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users-$nbr_affected_rows WHERE id_session='$session_id' AND course_code='".$course_code."'");
  1046. }
  1047. }
  1048. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  1049. * @author Carlos Vargas from existing code
  1050. * @param int Session ID
  1051. * @param array List of courses IDs
  1052. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  1053. * @return void Nothing, or false on error
  1054. **/
  1055. public static function add_courses_to_session ($id_session, $course_list, $empty_courses=true) {
  1056. // security checks
  1057. if ($id_session!= strval(intval($id_session))) { return false; }
  1058. // initialisation
  1059. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1060. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1061. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1062. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1063. // get general coach ID
  1064. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  1065. $id_coach = Database::fetch_array($id_coach);
  1066. $id_coach = $id_coach[0];
  1067. // get list of courses subscribed to this session
  1068. $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
  1069. $existingCourses = Database::store_result($rs);
  1070. $nbr_courses=count($existingCourses);
  1071. // get list of users subscribed to this session
  1072. $sql="SELECT id_user
  1073. FROM $tbl_session_rel_user
  1074. WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  1075. $result=Database::query($sql);
  1076. $user_list=Database::store_result($result);
  1077. // Remove existing courses from the session
  1078. if ($empty_courses===true) {
  1079. foreach ($existingCourses as $existingCourse) {
  1080. if (!in_array($existingCourse['course_code'], $course_list)){
  1081. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1082. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1083. }
  1084. }
  1085. $nbr_courses=0;
  1086. }
  1087. // Pass through the courses list we want to add to the session
  1088. foreach ($course_list as $enreg_course) {
  1089. $enreg_course = Database::escape_string($enreg_course);
  1090. $exists = false;
  1091. // check if the course we want to add is already subscribed
  1092. foreach ($existingCourses as $existingCourse) {
  1093. if ($enreg_course == $existingCourse['course_code']) {
  1094. $exists=true;
  1095. }
  1096. }
  1097. if (!$exists) {
  1098. //if the course isn't subscribed yet
  1099. $sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session,course_code) VALUES ('$id_session','$enreg_course')";
  1100. Database::query($sql_insert_rel_course);
  1101. //We add the current course in the existing courses array, to avoid adding another time the current course
  1102. $existingCourses[]=array('course_code'=>$enreg_course);
  1103. $nbr_courses++;
  1104. // subscribe all the users from the session to this course inside the session
  1105. $nbr_users=0;
  1106. foreach ($user_list as $enreg_user) {
  1107. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1108. $sql_insert = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session,course_code,id_user) VALUES ('$id_session','$enreg_course','$enreg_user_id')";
  1109. Database::query($sql_insert);
  1110. if (Database::affected_rows()) {
  1111. $nbr_users++;
  1112. }
  1113. }
  1114. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
  1115. }
  1116. }
  1117. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  1118. }
  1119. /**
  1120. * Unsubscribe course from a session
  1121. *
  1122. * @param int Session id
  1123. * @param int Course id
  1124. * @return bool True in case of success, false otherwise
  1125. */
  1126. public static function unsubscribe_course_from_session($session_id, $course_id) {
  1127. $session_id = (int)$session_id;
  1128. $course_id = (int)$course_id;
  1129. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1130. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1131. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1132. // Get course code
  1133. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1134. if($course_code == 0) {
  1135. return false;
  1136. }
  1137. // Unsubscribe course
  1138. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
  1139. $nb_affected = Database::affected_rows();
  1140. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
  1141. if($nb_affected > 0) {
  1142. // Update number of courses in the session
  1143. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  1144. return true;
  1145. } else {
  1146. return false;
  1147. }
  1148. }
  1149. /**
  1150. * Creates a new extra field for a given session
  1151. * @param string Field's internal variable name
  1152. * @param int Field's type
  1153. * @param string Field's language var name
  1154. * @return int new extra field id
  1155. */
  1156. public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle) {
  1157. // database table definition
  1158. $params = array('field_variable' => $fieldvarname,
  1159. 'field_type' => $fieldtype,
  1160. 'field_display_text' => $fieldtitle
  1161. );
  1162. $session_field = new SessionField();
  1163. $field_id = $session_field->save($params);
  1164. return $field_id;
  1165. }
  1166. /**
  1167. * Update an extra field value for a given session
  1168. * @param integer Course ID
  1169. * @param string Field variable name
  1170. * @param string Field value
  1171. * @return boolean true if field updated, false otherwise
  1172. */
  1173. public static function update_session_extra_field_value ($session_id, $fname, $fvalue = null) {
  1174. $session_field_value = new SessionFieldValue();
  1175. $session_field_value->update($params);
  1176. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1177. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1178. $fname = Database::escape_string($fname);
  1179. $session_id = (int)$session_id;
  1180. $tms = api_get_utc_datetime();
  1181. $fvalues = '';
  1182. if (is_array($fvalue)) {
  1183. foreach($fvalue as $val) {
  1184. $fvalues .= Database::escape_string($val).';';
  1185. }
  1186. if(!empty($fvalues)) {
  1187. $fvalues = substr($fvalues,0,-1);
  1188. }
  1189. } else {
  1190. $fvalues = Database::escape_string($fvalue);
  1191. }
  1192. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1193. $ressf = Database::query($sqlsf);
  1194. if (Database::num_rows($ressf)==1) {
  1195. // ok, the field exists
  1196. // Check if enumerated field, if the option is available
  1197. $rowsf = Database::fetch_array($ressf);
  1198. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
  1199. $ressfv = Database::query($sqlsfv);
  1200. $n = Database::num_rows($ressfv);
  1201. if ($n>1) {
  1202. //problem, we already have to values for this field and user combination - keep last one
  1203. while($rowsfv = Database::fetch_array($ressfv)) {
  1204. if($n > 1) {
  1205. $sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
  1206. $resd = Database::query($sqld);
  1207. $n--;
  1208. }
  1209. $rowsfv = Database::fetch_array($ressfv);
  1210. if ($rowsfv['field_value'] != $fvalues) {
  1211. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1212. $resu = Database::query($sqlu);
  1213. return($resu?true:false);
  1214. }
  1215. return true;
  1216. }
  1217. } else if ($n==1) {
  1218. //we need to update the current record
  1219. $rowsfv = Database::fetch_array($ressfv);
  1220. if($rowsfv['field_value'] != $fvalues) {
  1221. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1222. //error_log('UM::update_extra_field_value: '.$sqlu);
  1223. $resu = Database::query($sqlu);
  1224. return($resu?true:false);
  1225. }
  1226. return true;
  1227. } else {
  1228. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1229. "VALUES ('$session_id',".$rowsf['id'].",'$fvalues', '$tms')";
  1230. //error_log('UM::update_extra_field_value: '.$sqli);
  1231. $resi = Database::query($sqli);
  1232. return($resi?true:false);
  1233. }
  1234. } else {
  1235. return false; //field not found
  1236. }
  1237. }
  1238. /**
  1239. * Checks the relationship between a session and a course.
  1240. * @param int $session_id
  1241. * @param int $course_id
  1242. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1243. * */
  1244. public static function relation_session_course_exist ($session_id, $course_id) {
  1245. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1246. $return_value = false;
  1247. $sql= "SELECT course_code FROM $tbl_session_course WHERE id_session = ".Database::escape_string($session_id)." AND course_code = '".Database::escape_string($course_id)."'";
  1248. $result = Database::query($sql);
  1249. $num = Database::num_rows($result);
  1250. if ($num>0) {
  1251. $return_value = true;
  1252. }
  1253. return $return_value;
  1254. }
  1255. /**
  1256. * Get the session information by name
  1257. * @param string session name
  1258. * @return mixed false if the session does not exist, array if the session exist
  1259. * */
  1260. public static function get_session_by_name ($session_name) {
  1261. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1262. $sql = 'SELECT * FROM '.$tbl_session.' WHERE name="'.Database::escape_string($session_name).'"';
  1263. $result = Database::query($sql);
  1264. $num = Database::num_rows($result);
  1265. if ($num) {
  1266. return Database::fetch_array($result, 'ASSOC');
  1267. } else {
  1268. return false;
  1269. }
  1270. }
  1271. /**
  1272. * Create a session category
  1273. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1274. * @param string name
  1275. * @param integer year_start
  1276. * @param integer month_start
  1277. * @param integer day_start
  1278. * @param integer year_end
  1279. * @param integer month_end
  1280. * @param integer day_end
  1281. * @return $id_session;
  1282. **/
  1283. public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1284. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1285. $name= trim($sname);
  1286. $year_start= intval($syear_start);
  1287. $month_start=intval($smonth_start);
  1288. $day_start=intval($sday_start);
  1289. $year_end=intval($syear_end);
  1290. $month_end=intval($smonth_end);
  1291. $day_end=intval($sday_end);
  1292. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1293. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1294. if (empty($name)) {
  1295. $msg=get_lang('SessionCategoryNameIsRequired');
  1296. return $msg;
  1297. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1298. $msg=get_lang('InvalidStartDate');
  1299. return $msg;
  1300. } elseif (!$month_end && !$day_end && !$year_end) {
  1301. $date_end = "null";
  1302. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1303. $msg=get_lang('InvalidEndDate');
  1304. return $msg;
  1305. } elseif($date_start >= $date_end) {
  1306. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1307. return $msg;
  1308. }
  1309. $access_url_id = api_get_current_access_url_id();
  1310. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1311. VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
  1312. Database::query($sql);
  1313. $id_session = Database::insert_id();
  1314. // Add event to system log
  1315. $user_id = api_get_user_id();
  1316. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1317. return $id_session;
  1318. }
  1319. /**
  1320. * Edit a sessions categories
  1321. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1322. * @param integer id
  1323. * @param string name
  1324. * @param integer year_start
  1325. * @param integer month_start
  1326. * @param integer day_start
  1327. * @param integer year_end
  1328. * @param integer month_end
  1329. * @param integer day_end
  1330. * @return $id;
  1331. * The parameter id is a primary key
  1332. **/
  1333. public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1334. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1335. $name= trim($sname);
  1336. $year_start= intval($syear_start);
  1337. $month_start=intval($smonth_start);
  1338. $day_start=intval($sday_start);
  1339. $year_end=intval($syear_end);
  1340. $month_end=intval($smonth_end);
  1341. $day_end=intval($sday_end);
  1342. $id=intval($id);
  1343. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1344. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1345. if (empty($name)) {
  1346. $msg=get_lang('SessionCategoryNameIsRequired');
  1347. return $msg;
  1348. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1349. $msg=get_lang('InvalidStartDate');
  1350. return $msg;
  1351. } elseif (!$month_end && !$day_end && !$year_end) {
  1352. $date_end = null;
  1353. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1354. $msg=get_lang('InvalidEndDate');
  1355. return $msg;
  1356. } elseif($date_start >= $date_end) {
  1357. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1358. return $msg;
  1359. }
  1360. if ( $date_end <> null ) {
  1361. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1362. ", date_end = '$date_end' WHERE id= '".$id."' ";
  1363. } else {
  1364. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1365. ", date_end = NULL WHERE id= '".$id."' ";
  1366. }
  1367. $result = Database::query($sql);
  1368. return ($result? true:false);
  1369. }
  1370. /**
  1371. * Delete sessions categories
  1372. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1373. * @param array id_checked
  1374. * @param bool include delete session
  1375. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1376. * @return void Nothing, or false on error
  1377. * The parameters is a array to delete sessions
  1378. **/
  1379. public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false){
  1380. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1381. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1382. if (is_array($id_checked)) {
  1383. $id_checked = Database::escape_string(implode(',',$id_checked));
  1384. } else {
  1385. $id_checked = intval($id_checked);
  1386. }
  1387. //Setting session_category_id to 0
  1388. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
  1389. Database::query($sql);
  1390. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
  1391. $result = @Database::query($sql);
  1392. while ($rows = Database::fetch_array($result)) {
  1393. $session_id = $rows['id'];
  1394. if ($delete_session) {
  1395. if ($from_ws) {
  1396. SessionManager::delete_session($session_id,true);
  1397. } else {
  1398. SessionManager::delete_session($session_id);
  1399. }
  1400. }
  1401. }
  1402. $sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
  1403. $rs = @Database::query($sql);
  1404. $result = Database::affected_rows();
  1405. // Add event to system log
  1406. $user_id = api_get_user_id();
  1407. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1408. // delete extra session fields where field variable is "PERIODO"
  1409. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1410. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1411. $sql = "SELECT t_sfv.field_id FROM $t_sfv t_sfv, $t_sf t_sf WHERE t_sfv.session_id = '$id_checked' AND t_sf.field_variable = 'PERIODO' ";
  1412. $rs_field = Database::query($sql);
  1413. $field_id = 0;
  1414. if (Database::num_rows($rs_field) > 0) {
  1415. $row_field = Database::fetch_row($rs_field);
  1416. $field_id = $row_field[0];
  1417. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1418. $rs_delete_sfv = Database::query($sql_delete_sfv);
  1419. }
  1420. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1421. $rs_field_id = Database::query($sql);
  1422. if (Database::num_rows($rs_field_id) == 0) {
  1423. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1424. $rs_delete_sf = Database::query($sql_delete_sf);
  1425. }
  1426. return true;
  1427. }
  1428. /**
  1429. * Get a list of sessions of which the given conditions match with an = 'cond'
  1430. * @param array $conditions a list of condition (exemple : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1431. * @param array $order_by a list of fields on which sort
  1432. * @return array An array with all sessions of the platform.
  1433. * @todo optional course code parameter, optional sorting parameters...
  1434. */
  1435. public static function get_sessions_list($conditions = array(), $order_by = array()) {
  1436. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1437. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1438. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1439. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1440. $access_url_id = api_get_current_access_url_id();
  1441. $return_array = array();
  1442. $sql_query = " SELECT s.id, s.name, s.nbr_courses, s.access_start_date, s.access_end_date, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
  1443. FROM $session_table s
  1444. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1445. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1446. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1447. WHERE ar.access_url_id = $access_url_id ";
  1448. if (count($conditions) > 0) {
  1449. $sql_query .= ' AND ';
  1450. foreach ($conditions as $field=>$value) {
  1451. $field = Database::escape_string($field);
  1452. $value = Database::escape_string($value);
  1453. $sql_query .= $field." '".$value."'";
  1454. }
  1455. }
  1456. if (count($order_by)>0) {
  1457. $sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
  1458. }
  1459. //echo $sql_query;
  1460. $sql_result = Database::query($sql_query);
  1461. if (Database::num_rows($sql_result)>0) {
  1462. while ($result = Database::fetch_array($sql_result)) {
  1463. $return_array[$result['id']] = $result;
  1464. }
  1465. }
  1466. return $return_array;
  1467. }
  1468. /**
  1469. * Get the session category information by id
  1470. * @param string session category ID
  1471. * @return mixed false if the session category does not exist, array if the session category exists
  1472. */
  1473. public static function get_session_category ($id) {
  1474. $id = intval($id);
  1475. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1476. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1477. $result = Database::query($sql);
  1478. $num = Database::num_rows($result);
  1479. if ($num>0){
  1480. return Database::fetch_array($result);
  1481. } else {
  1482. return false;
  1483. }
  1484. }
  1485. /**
  1486. * Get all session categories (filter by access_url_id)
  1487. * @return mixed false if the session category does not exist, array if the session category exists
  1488. */
  1489. public static function get_all_session_category() {
  1490. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1491. $id = api_get_current_access_url_id();
  1492. $sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
  1493. $result = Database::query($sql);
  1494. if (Database::num_rows($result) > 0 ){
  1495. $data = Database::store_result($result,'ASSOC');
  1496. return $data;
  1497. } else {
  1498. return false;
  1499. }
  1500. }
  1501. /**
  1502. * Assign a coach to course in session with status = 2
  1503. * @param int - user id
  1504. * @param int - session id
  1505. * @param string - course code
  1506. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  1507. * @return bool true if there are affected rows, otherwise false
  1508. */
  1509. public static function set_coach_to_course_session($user_id, $session_id = 0, $course_code = '',$nocoach = false) {
  1510. // Definition of variables
  1511. $user_id = intval($user_id);
  1512. if (!empty($session_id)) {
  1513. $session_id = intval($session_id);
  1514. } else {
  1515. $session_id = api_get_session_id();
  1516. }
  1517. if (!empty($course_code)) {
  1518. $course_code = Database::escape_string($course_code);
  1519. } else {
  1520. $course_code = api_get_course_id();
  1521. }
  1522. // definitios of tables
  1523. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1524. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1525. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1526. // check if user is a teacher
  1527. $sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  1528. $rs_check_user = Database::query($sql);
  1529. if (Database::num_rows($rs_check_user) > 0) {
  1530. if ($nocoach) {
  1531. // check if user_id exits int session_rel_user
  1532. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  1533. $res = Database::query($sql);
  1534. if (Database::num_rows($res) > 0) {
  1535. // The user don't be a coach now
  1536. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0 WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1537. $rs_update = Database::query($sql);
  1538. if (Database::affected_rows() > 0) return true;
  1539. else return false;
  1540. } else {
  1541. // The user don't be a coach now
  1542. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1543. $rs_delete = Database::query($sql);
  1544. if (Database::affected_rows() > 0) return true;
  1545. else return false;
  1546. }
  1547. } else {
  1548. // Assign user like a coach to course
  1549. // First check if the user is registered in the course
  1550. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
  1551. $rs_check = Database::query($sql);
  1552. //Then update or insert
  1553. if (Database::num_rows($rs_check) > 0) {
  1554. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2 WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1555. $rs_update = Database::query($sql);
  1556. if (Database::affected_rows() > 0) return true;
  1557. else return false;
  1558. } else {
  1559. $sql = " INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status) VALUES('$session_id', '$course_code', '$user_id', 2)";
  1560. $rs_insert = Database::query($sql);
  1561. if (Database::affected_rows() > 0) return true;
  1562. else return false;
  1563. }
  1564. }
  1565. } else {
  1566. return false;
  1567. }
  1568. }
  1569. /**
  1570. * Subscribes sessions to human resource manager (Dashboard feature)
  1571. * @param int Human Resource Manager id
  1572. * @param array Sessions id
  1573. * @param int Relation type
  1574. **/
  1575. public static function suscribe_sessions_to_hr_manager($hr_manager_id,$sessions_list) {
  1576. global $_configuration;
  1577. // Database Table Definitions
  1578. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1579. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1580. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1581. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1582. $hr_manager_id = intval($hr_manager_id);
  1583. $affected_rows = 0;
  1584. //Deleting assigned sessions to hrm_id
  1585. if ($_configuration['multiple_access_urls']) {
  1586. $sql = "SELECT id_session FROM $tbl_session_rel_user s INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session) WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." AND access_url_id = ".api_get_current_access_url_id()."";
  1587. } else {
  1588. $sql = "SELECT id_session FROM $tbl_session_rel_user s WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
  1589. }
  1590. $result = Database::query($sql);
  1591. if (Database::num_rows($result) > 0) {
  1592. while ($row = Database::fetch_array($result)) {
  1593. $sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = {$row['id_session']} AND id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." ";
  1594. Database::query($sql);
  1595. }
  1596. }
  1597. /*
  1598. //Deleting assigned courses in sessions to hrm_id
  1599. $sql = "SELECT * FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1600. $result = Database::query($sql);
  1601. if (Database::num_rows($result) > 0) {
  1602. $sql = "DELETE FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1603. Database::query($sql);
  1604. }
  1605. */
  1606. // inserting new sessions list
  1607. if (is_array($sessions_list)) {
  1608. foreach ($sessions_list as $session_id) {
  1609. $session_id = intval($session_id);
  1610. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user, relation_type) VALUES($session_id, $hr_manager_id, '".SESSION_RELATION_TYPE_RRHH."')";
  1611. Database::query($insert_sql);
  1612. $affected_rows = Database::affected_rows();
  1613. }
  1614. }
  1615. return $affected_rows;
  1616. }
  1617. /**
  1618. * Get sessions followed by human resources manager
  1619. * @param int Human resources manager or Session admin id
  1620. * @return array sessions
  1621. */
  1622. public static function get_sessions_followed_by_drh($hr_manager_id) {
  1623. global $_configuration;
  1624. // Database Table Definitions
  1625. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1626. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1627. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1628. $hr_manager_id = intval($hr_manager_id);
  1629. $assigned_sessions_to_hrm = array();
  1630. if ($_configuration['multiple_access_urls']) {
  1631. $sql = "SELECT * FROM $tbl_session s INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id) LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  1632. WHERE sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND access_url_id = ".api_get_current_access_url_id()."";
  1633. } else {
  1634. $sql = "SELECT * FROM $tbl_session s
  1635. INNER JOIN $tbl_session_rel_user sru ON sru.id_session = s.id AND sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' ";
  1636. }
  1637. $rs_assigned_sessions = Database::query($sql);
  1638. if (Database::num_rows($rs_assigned_sessions) > 0) {
  1639. while ($row_assigned_sessions = Database::fetch_array($rs_assigned_sessions)) {
  1640. $assigned_sessions_to_hrm[$row_assigned_sessions['id']] = $row_assigned_sessions;
  1641. }
  1642. }
  1643. return $assigned_sessions_to_hrm;
  1644. }
  1645. /**
  1646. * Gets the list of courses by session filtered by access_url
  1647. * @param int session id
  1648. * @return array list of courses
  1649. */
  1650. public static function get_course_list_by_session_id ($session_id) {
  1651. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1652. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1653. // select the courses
  1654. $sql = "SELECT * FROM $tbl_course c INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  1655. WHERE src.id_session = '$session_id' ORDER BY title;";
  1656. $result = Database::query($sql);
  1657. $num_rows = Database::num_rows($result);
  1658. $courses = array();
  1659. if ($num_rows > 0) {
  1660. while ($row = Database::fetch_array($result,'ASSOC')) {
  1661. $courses[$row['id']] = $row;
  1662. }
  1663. }
  1664. return $courses;
  1665. }
  1666. /**
  1667. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  1668. *
  1669. * @param string Original session id
  1670. * @param string Original field name
  1671. * @return int Session id
  1672. */
  1673. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name) {
  1674. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1675. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1676. $sql_session = "SELECT session_id FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id WHERE field_variable='$original_session_id_name' AND field_value='$original_session_id_value'";
  1677. $res_session = Database::query($sql_session);
  1678. $row = Database::fetch_object($res_session);
  1679. if ($row) {
  1680. return $row->session_id;
  1681. } else {
  1682. return 0;
  1683. }
  1684. }
  1685. /**
  1686. * Get users by session
  1687. * @param int session id
  1688. * @param int filter by status
  1689. * @return array a list with an user list
  1690. */
  1691. public static function get_users_by_session($id, $with_status = null) {
  1692. if (empty($id)) {
  1693. return array();
  1694. }
  1695. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1696. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1697. $id = intval($id);
  1698. /*
  1699. * sessions are not shared between urls
  1700. if (api_is_multiple_url_enabled()) {
  1701. $tbl_session_rel_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1702. $url_id = api_get_current_access_url_id();
  1703. $sql = "SELECT u.user_id, lastname, firstname, username, access_url_id, moved_to, moved_status, moved_at
  1704. FROM $tbl_user u
  1705. INNER JOIN $tbl_session_rel_user su
  1706. ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
  1707. INNER JOIN $tbl_session_rel_url s ON (s.session_id = su.id_session)
  1708. LEFT OUTER JOIN $tbl_session_rel_user uu ON (uu.user_id = u.user_id AND s.session_id = uu.id_session)
  1709. WHERE su.id_session = $id AND (access_url_id = $url_id OR access_url_id is null )";
  1710. } else {
  1711. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1712. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1713. ON u.user_id = su.id_user AND
  1714. su.id_session = $id
  1715. WHERE 1 = 1
  1716. ";
  1717. }*/
  1718. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1719. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1720. ON u.user_id = su.id_user AND
  1721. su.id_session = $id
  1722. WHERE 1 = 1
  1723. ";
  1724. if (isset($with_status) && $with_status != '') {
  1725. $with_status = intval($with_status);
  1726. $sql .= " AND relation_type = $with_status ";
  1727. }
  1728. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
  1729. $sql .= $order_clause;
  1730. $result = Database::query($sql);
  1731. while ($row = Database::fetch_array($result,'ASSOC')) {
  1732. $return_array[] = $row;
  1733. }
  1734. return $return_array;
  1735. }
  1736. /**
  1737. * The general coach (field: session.id_coach)
  1738. * @param int user id
  1739. */
  1740. public static function get_sessions_by_general_coach($user_id) {
  1741. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1742. $user_id = intval($user_id);
  1743. // session where we are general coach
  1744. $sql = "SELECT DISTINCT *
  1745. FROM $session_table
  1746. WHERE id_coach = $user_id";
  1747. if (api_is_multiple_url_enabled()) {
  1748. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1749. $access_url_id = api_get_current_access_url_id();
  1750. if ($access_url_id != -1) {
  1751. $sql = 'SELECT DISTINCT session.*
  1752. FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1753. ON (session.id = session_rel_url.session_id)
  1754. WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
  1755. }
  1756. }
  1757. $sql .= ' ORDER by name';
  1758. $result = Database::query($sql);
  1759. return Database::store_result($result, 'ASSOC');
  1760. }
  1761. /**
  1762. * Get all sessions if the user is a sesion course coach of any session
  1763. * @param int user id
  1764. */
  1765. static function get_sessions_by_coach($user_id) {
  1766. // table definition
  1767. $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  1768. $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1769. $sql = 'SELECT DISTINCT session.*
  1770. FROM ' . $tbl_session . ' as session
  1771. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1772. ON session.id = session_course_user.id_session
  1773. AND session_course_user.id_user=' . $user_id.' AND session_course_user.status=2';
  1774. if (api_is_multiple_url_enabled()) {
  1775. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1776. $access_url_id = api_get_current_access_url_id();
  1777. if ($access_url_id != -1){
  1778. $sql = 'SELECT DISTINCT session.*
  1779. FROM '.$tbl_session.' as session
  1780. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1781. ON session.id = session_course_user.id_session AND session_course_user.id_user = '.$user_id.' AND session_course_user.status=2
  1782. INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1783. ON (session.id = session_rel_url.session_id)
  1784. WHERE access_url_id = '.$access_url_id;
  1785. }
  1786. }
  1787. //$sql .= " ORDER BY session.name";
  1788. $result = Database::query($sql);
  1789. return Database::store_result($result, 'ASSOC');
  1790. }
  1791. public static function get_sessions_coached_by_user($coach_id, $check_session_rel_user_visibility = false) {
  1792. $sessions = self::get_sessions_by_general_coach($coach_id);
  1793. $sessions_by_coach = self::get_sessions_by_coach($coach_id);
  1794. if (!empty($sessions_by_coach)) {
  1795. $sessions = array_merge($sessions, $sessions_by_coach);
  1796. }
  1797. //Remove repeated sessions
  1798. if (!empty($sessions)) {
  1799. $clean_sessions = array();
  1800. foreach ($sessions as $session) {
  1801. $clean_sessions[$session['id']] = $session;
  1802. }
  1803. $sessions = $clean_sessions;
  1804. }
  1805. if ($check_session_rel_user_visibility) {
  1806. if (!empty($sessions)) {
  1807. $new_session = array();
  1808. foreach ($sessions as $session) {
  1809. $visibility = api_get_session_visibility($session['id']);
  1810. if ($visibility == SESSION_INVISIBLE) {
  1811. continue;
  1812. }
  1813. $new_session[] = $session;
  1814. }
  1815. $sessions = $new_session;
  1816. }
  1817. }
  1818. return $sessions;
  1819. }
  1820. /**
  1821. * Gets user status within a session
  1822. * @param $user_id
  1823. * @param $course_code
  1824. * @param $session_id
  1825. * @return unknown_type
  1826. */
  1827. public static function get_user_status_in_course_session($user_id, $course_code, $session_id) {
  1828. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1829. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1830. $sql = "SELECT session_rcru.status
  1831. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1832. WHERE session_rcru.id_user = user.user_id AND
  1833. session_rcru.id_session = '".intval($session_id)."' AND
  1834. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  1835. user.user_id = ".intval($user_id);
  1836. $result = Database::query($sql);
  1837. $status = false;
  1838. if (Database::num_rows($result)) {
  1839. $status = Database::fetch_row($result);
  1840. $status = $status['0'];
  1841. }
  1842. return $status;
  1843. }
  1844. static function get_user_status_in_session($session_id, $user_id) {
  1845. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1846. $session_id = intval($session_id);
  1847. $user_id = intval($user_id);
  1848. $sql = "SELECT * FROM $tbl_session_rel_user WHERE id_user = $user_id AND id_session = $session_id";
  1849. $result = Database::query($sql);
  1850. if (Database::num_rows($result)) {
  1851. $result = Database::store_result($result, 'ASSOC');
  1852. return $result[0];
  1853. }
  1854. return array();
  1855. }
  1856. function get_all_sessions_by_promotion($id) {
  1857. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1858. return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
  1859. }
  1860. function suscribe_sessions_to_promotion($promotion_id, $list) {
  1861. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1862. $params = array();
  1863. $params['promotion_id'] = 0;
  1864. Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
  1865. $params['promotion_id'] = $promotion_id;
  1866. if (!empty($list)) {
  1867. foreach ($list as $session_id) {
  1868. $session_id= intval($session_id);
  1869. Database::update($t, $params, array('id = ?'=>$session_id));
  1870. }
  1871. }
  1872. }
  1873. /**
  1874. * Updates a session status
  1875. * @param int session id
  1876. * @param int status
  1877. */
  1878. public function set_session_status($session_id, $status) {
  1879. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1880. $params['visibility'] = $status;
  1881. Database::update($t, $params, array('id = ?'=>$session_id));
  1882. }
  1883. /**
  1884. * Copies a session with the same data to a new session.
  1885. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  1886. * @param int Session ID
  1887. * @param bool Whether to copy the relationship with courses
  1888. * @param bool Whether to copy the relationship with users
  1889. * @param bool New courses will be created
  1890. * @return int The new session ID on success, 0 otherwise
  1891. * @todo make sure the extra session fields are copied too
  1892. */
  1893. /**
  1894. * @param $id
  1895. * @param $copy_courses
  1896. * @param $copy_users
  1897. * @param $create_new_courses
  1898. * @param $set_exercises_lp_invisible
  1899. * @return int
  1900. */
  1901. public function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false) {
  1902. $id = intval($id);
  1903. $params = self::fetch($id);
  1904. $params['name'] = $params['name'].' '.get_lang('CopyLabelSuffix');
  1905. $sid = self::add($params);
  1906. if (!is_numeric($sid) || empty($sid)) {
  1907. return false;
  1908. }
  1909. if ($copy_courses) {
  1910. // Register courses from the original session to the new session
  1911. $courses = self::get_course_list_by_session_id($id);
  1912. $short_courses = $new_short_courses = array();
  1913. if (is_array($courses) && count($courses)>0) {
  1914. foreach ($courses as $course) {
  1915. $short_courses[] = $course;
  1916. }
  1917. }
  1918. $courses = null;
  1919. //We will copy the current courses of the session to new courses
  1920. if (!empty($short_courses)) {
  1921. if ($create_new_courses) {
  1922. //Just in case
  1923. if (function_exists('ini_set')) {
  1924. api_set_memory_limit('256M');
  1925. ini_set('max_execution_time',0);
  1926. }
  1927. $params = array();
  1928. $params['skip_lp_dates'] = true;
  1929. foreach ($short_courses as $course_data) {
  1930. $course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  1931. if ($course_info) {
  1932. //By default new elements are invisible
  1933. if ($set_exercises_lp_invisible) {
  1934. require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
  1935. $list = new LearnpathList('', $course_info['code'], $sid);
  1936. $flat_list = $list->get_flat_list();
  1937. if (!empty($flat_list)) {
  1938. foreach($flat_list as $lp_id => $data) {
  1939. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
  1940. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
  1941. }
  1942. }
  1943. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  1944. $course_id = $course_info['real_id'];
  1945. //@todo check this query
  1946. //Disabling quiz items
  1947. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  1948. Database::query($sql);
  1949. }
  1950. $new_short_courses[] = $course_info['code'];
  1951. }
  1952. }
  1953. } else {
  1954. foreach($short_courses as $course_data) {
  1955. $new_short_courses[] = $course_data['code'];
  1956. }
  1957. }
  1958. $short_courses = $new_short_courses;
  1959. $res = self::add_courses_to_session($sid, $short_courses, true);
  1960. $short_courses = null;
  1961. }
  1962. }
  1963. if ($copy_users) {
  1964. // Register users from the original session to the new session
  1965. $users = self::get_users_by_session($id);
  1966. $short_users = array();
  1967. if (is_array($users) && count($users)>0) {
  1968. foreach ($users as $user) {
  1969. $short_users[] = $user['user_id'];
  1970. }
  1971. }
  1972. $users = null;
  1973. //Subscribing in read only mode
  1974. $res = self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  1975. $short_users = null;
  1976. }
  1977. return $sid;
  1978. }
  1979. static function user_is_general_coach($user_id, $session_id) {
  1980. $session_id = intval($session_id);
  1981. $user_id = intval($user_id);
  1982. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1983. $sql = "SELECT DISTINCT id
  1984. FROM $session_table
  1985. WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
  1986. $result = Database::query($sql);
  1987. if ($result && Database::num_rows($result)) {
  1988. return true;
  1989. }
  1990. return false;
  1991. }
  1992. /**
  1993. * Get the number of sessions
  1994. * @param int ID of the URL we want to filter on (optional)
  1995. * @return int Number of sessions
  1996. */
  1997. public function count_sessions($access_url_id=null) {
  1998. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1999. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2000. $sql = "SELECT count(id) FROM $session_table s";
  2001. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  2002. $sql .= ", $access_url_rel_session_table u ".
  2003. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  2004. }
  2005. $res = Database::query($sql);
  2006. $row = Database::fetch_row($res);
  2007. return $row[0];
  2008. }
  2009. static function protect_session_edit($id = null) {
  2010. $blockTeachers = !api_is_platform_admin() && (!api_is_teacher() || (api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'false'));
  2011. if ($blockTeachers) {
  2012. api_not_allowed(true);
  2013. }
  2014. if (!empty($id)) {
  2015. $session_info = self::fetch($id);
  2016. if (empty($session_info)) {
  2017. api_not_allowed(true);
  2018. }
  2019. if ($blockTeachers && !api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  2020. if ($session_info['session_admin_id'] != api_get_user_id()) {
  2021. api_not_allowed(true);
  2022. }
  2023. }
  2024. //Blocking teachers that want to edit another session
  2025. if ($blockTeachers == false && $session_info['id_coach'] != api_get_user_id()) {
  2026. api_not_allowed(true);
  2027. }
  2028. }
  2029. }
  2030. static function get_session_by_course($course_code) {
  2031. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2032. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2033. $course_code = Database::escape_string($course_code);
  2034. $sql = "SELECT name, s.id FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  2035. WHERE sc.course_code = '$course_code' ";
  2036. $result = Database::query($sql);
  2037. return Database::store_result($result);
  2038. }
  2039. /**
  2040. * @todo Add constatns in a DB table
  2041. */
  2042. static function get_session_change_user_reasons() {
  2043. return array (
  2044. self::SESSION_CHANGE_USER_REASON_SCHEDULE => get_lang('ScheduleChanged'),
  2045. self::SESSION_CHANGE_USER_REASON_CLASSROOM => get_lang('ClassRoomChanged'),
  2046. self::SESSION_CHANGE_USER_REASON_LOCATION => get_lang('LocationChanged'),
  2047. //self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION => get_lang('EnrollmentAnnulation'),
  2048. );
  2049. }
  2050. static function get_session_change_user_reasons_variations() {
  2051. return array (
  2052. self::SESSION_CHANGE_USER_REASON_SCHEDULE => array(
  2053. 'default' => get_lang('ScheduleChanged'),
  2054. 'from' => get_lang('ScheduleChangedFrom'),
  2055. 'to' => get_lang('ScheduleChangedTo'),
  2056. ),
  2057. self::SESSION_CHANGE_USER_REASON_CLASSROOM => array(
  2058. 'default' => get_lang('ClassRoomChanged'),
  2059. 'from' => get_lang('ClassRoomChangedFrom'),
  2060. 'to' => get_lang('ClassRoomChangedTo'),
  2061. ),
  2062. self::SESSION_CHANGE_USER_REASON_LOCATION => array(
  2063. 'default' => get_lang('LocationChanged'),
  2064. 'from' => get_lang('LocationChangedFrom'),
  2065. 'to' => get_lang('LocationChangedTo'),
  2066. )
  2067. );
  2068. }
  2069. static function get_session_change_user_reasons_variations_by_id($id, $type) {
  2070. $reasons = self::get_session_change_user_reasons_variations();
  2071. $my_reason = isset($reasons[$id]) ? $reasons[$id] : null;
  2072. return isset($my_reason[$type]) ? $my_reason[$type] : null;
  2073. }
  2074. static function get_session_changed_reason_label($id, $type) {
  2075. switch ($type) {
  2076. case 'origin':
  2077. break;
  2078. case 'destination':
  2079. break;
  2080. }
  2081. }
  2082. /**
  2083. * Gets the reason name
  2084. * @param int reason id
  2085. */
  2086. static function get_session_change_user_reason($id) {
  2087. $reasons = self::get_session_change_user_reasons();
  2088. return isset($reasons[$id]) ? $reasons[$id] : null;
  2089. }
  2090. /**
  2091. * Changes the user from one session to another due a reason
  2092. * @params int user_id
  2093. * @params int old session id
  2094. * @params int new session id
  2095. * @params int see SessionManager::get_session_change_user_reasons()
  2096. */
  2097. static function change_user_session($user_id, $old_session_id, $new_session_id, $reason_id) {
  2098. if (!empty($user_id) && !empty($old_session_id) && !empty($new_session_id)) {
  2099. $user_id = intval($user_id);
  2100. $old_session_id = intval($old_session_id);
  2101. $new_session_id = intval($new_session_id);
  2102. $reason_id = intval($reason_id);
  2103. //self::unsubscribe_user_from_session($old_session_id, $user_id, $reason_id);
  2104. //$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2105. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2106. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2107. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2108. // Update number of users
  2109. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - 1 WHERE id = '$old_session_id' ";
  2110. Database::query($update_sql);
  2111. // Get the list of courses related to this session
  2112. $course_list = SessionManager::get_course_list_by_session_id($old_session_id);
  2113. if (!empty($course_list)) {
  2114. foreach ($course_list as $course) {
  2115. $course_code = $course['code'];
  2116. // Delete user from course
  2117. //Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'");
  2118. //if (Database::affected_rows()) {
  2119. // Update number of users in this relation
  2120. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1 WHERE id_session = '$old_session_id' AND course_code='$course_code'";
  2121. Database::query($sql);
  2122. //}
  2123. }
  2124. }
  2125. //Deal with reasons
  2126. switch ($reason_id) {
  2127. case self::SESSION_CHANGE_USER_REASON_SCHEDULE:
  2128. case self::SESSION_CHANGE_USER_REASON_CLASSROOM:
  2129. case self::SESSION_CHANGE_USER_REASON_LOCATION:
  2130. //Adding to the new session
  2131. self::suscribe_users_to_session($new_session_id, array($user_id), null, false);
  2132. //Setting move_to if session was provided
  2133. $sql = "UPDATE $tbl_session_rel_user SET moved_to = '$new_session_id'
  2134. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2135. Database::query($sql);
  2136. break;
  2137. case self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION:
  2138. UserManager::deactivate_users(array($user_id));
  2139. break;
  2140. }
  2141. $now = api_get_utc_datetime();
  2142. //Setting the moved_status
  2143. $sql = "UPDATE $tbl_session_rel_user SET moved_status = $reason_id, moved_at = '$now'
  2144. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2145. Database::query($sql);
  2146. return true;
  2147. }
  2148. return;
  2149. }
  2150. /**
  2151. * Get users inside a course session
  2152. */
  2153. static function get_users_in_course_session($course_code, $id_session, $sort, $direction, $from = null, $limit = null) {
  2154. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2155. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2156. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2157. $course_code = Database::escape_string($course_code);
  2158. $id_session = Database::escape_string($id_session);
  2159. $from = intval($from);
  2160. $limit = intval($limit);
  2161. $is_western_name_order = api_is_western_name_order();
  2162. //Select the number of users
  2163. $sql = " SELECT DISTINCT u.user_id,".($is_western_name_order ? 'u.firstname, u.lastname' : 'u.lastname, u.firstname').", u.username, scru.id_user as is_subscribed
  2164. FROM $tbl_session_rel_user sru INNER JOIN $tbl_user u ON (u.user_id=sru.id_user)
  2165. LEFT JOIN $tbl_session_rel_course_rel_user scru ON (u.user_id = scru.id_user AND scru.course_code = '".$course_code."' )
  2166. WHERE sru.id_session = '$id_session' AND
  2167. sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION." AND
  2168. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2169. $sql .= " ORDER BY $sort $direction ";
  2170. if (!empty($from) && !empty($limit)) {
  2171. $sql .= " LIMIT $from, $limit";
  2172. }
  2173. $result = Database::query($sql);
  2174. if (Database::num_rows($result)) {
  2175. return Database::store_result($result);
  2176. }
  2177. return false;
  2178. }
  2179. static function get_count_users_in_course_session($course_code, $id_session) {
  2180. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2181. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2182. //Select the number of users
  2183. $sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
  2184. WHERE srcru.id_user = sru.id_user AND
  2185. srcru.id_session = sru.id_session AND
  2186. srcru.course_code = '".Database::escape_string($course_code)."' AND
  2187. srcru.id_session = '".intval($id_session)."' AND
  2188. (sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.") AND
  2189. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2190. $result = Database::query($sql);
  2191. if (Database::num_rows($result)) {
  2192. return Database::result($result,0,0);
  2193. }
  2194. return 0;
  2195. }
  2196. /**
  2197. * Get the list of coaches (only user ids)
  2198. * @param string course_code
  2199. * @param in session_id
  2200. * @return array
  2201. */
  2202. static function get_session_course_coaches($course_code, $session_id) {
  2203. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2204. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2205. // Get coachs of the courses in session
  2206. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2207. WHERE session_rcru.id_user = user.user_id AND
  2208. session_rcru.id_session = '".intval($session_id)."' AND
  2209. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2210. session_rcru.status=2";
  2211. $result = Database::query($sql);
  2212. return Database::store_result($result);
  2213. }
  2214. static function get_session_course_coaches_by_user($course_code, $session_id, $user_id) {
  2215. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2216. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2217. // Get coachs of the courses in session
  2218. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2219. WHERE session_rcru.id_user = user.user_id AND
  2220. session_rcru.id_session = '".intval($session_id)."' AND
  2221. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2222. session_rcru.status=2";
  2223. $result = Database::query($sql);
  2224. return Database::store_result($result);
  2225. }
  2226. static function get_session_course_coaches_to_string($course_code, $session_id) {
  2227. $coaches = self::get_session_course_coaches($course_code, $session_id);
  2228. if (!empty($coaches)) {
  2229. $coach_list = array();
  2230. foreach ($coaches as $coach_info) {
  2231. $user_info = api_get_user_info($coach_info['user_id']);
  2232. $coach_list[] = $user_info['complete_name'];
  2233. }
  2234. if (!empty($coach_list)) {
  2235. return implode(', ', $coach_list);
  2236. }
  2237. }
  2238. return get_lang('None');
  2239. }
  2240. static function delete_course_in_session($id_session, $course_code) {
  2241. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2242. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2243. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2244. $id_session = intval($id_session);
  2245. $course_code = Database::escape_string($course_code);
  2246. if (!empty($id_session) && !empty($course_code)) {
  2247. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND course_code = '$course_code'");
  2248. $nbr_affected_rows=Database::affected_rows();
  2249. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code = '$course_code'");
  2250. Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
  2251. }
  2252. }
  2253. static function get_sessions_by_user($user_id) {
  2254. $session_categories = UserManager::get_sessions_by_category($user_id);
  2255. $session_array = array();
  2256. if (!empty($session_categories)) {
  2257. foreach ($session_categories as $category) {
  2258. if (isset($category['sessions'])) {
  2259. foreach ($category['sessions'] as $session) {
  2260. $session_array[] = $session;
  2261. }
  2262. }
  2263. }
  2264. }
  2265. return $session_array;
  2266. }
  2267. static function get_session_rel_user_by_moved_to($session_id, $user_id) {
  2268. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2269. $sql = "SELECT id_session, moved_status, moved_at FROM $tbl_session_rel_user WHERE id_user = $user_id AND moved_to = $session_id LIMIT 1";
  2270. $result = Database::query($sql);
  2271. if (Database::num_rows($result)) {
  2272. $result = Database::store_result($result,'ASSOC');
  2273. return $result[0];
  2274. }
  2275. return false;
  2276. }
  2277. static function get_coaches_by_keyword($tag) {
  2278. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2279. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
  2280. $select ="SELECT user.user_id, lastname, firstname, username ";
  2281. $sql = " $select FROM $tbl_user user WHERE status='1'";
  2282. $tag = Database::escape_string($tag);
  2283. $where_condition = array();
  2284. if (!empty($tag)) {
  2285. $condition = ' LIKE "%'.$tag.'%"';
  2286. $where_condition = array( "firstname $condition",
  2287. "lastname $condition",
  2288. "username $condition"
  2289. );
  2290. $where_condition = ' AND ('.implode(' OR ', $where_condition).') ';
  2291. }
  2292. if (api_is_multiple_url_enabled()) {
  2293. $tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2294. $access_url_id = api_get_current_access_url_id();
  2295. if ($access_url_id != -1){
  2296. $sql = $select.' FROM '.$tbl_user.' user
  2297. INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
  2298. WHERE access_url_id = '.$access_url_id.' AND status = 1';
  2299. }
  2300. }
  2301. $sql .= $where_condition.$order_clause;
  2302. $result = Database::query($sql);
  2303. return Database::store_result($result, 'ASSOC');
  2304. }
  2305. /**
  2306. * Returns a human readable string
  2307. * @params array An array with all the session dates
  2308. * @return string
  2309. */
  2310. static function parse_session_dates($session_info) {
  2311. //This will clean the variables if 0000-00-00 00:00:00 the variable will be empty
  2312. $start_date = api_get_local_time($session_info['display_start_date'], null, null, true);
  2313. $end_date = api_get_local_time($session_info['display_end_date'], null, null, true);
  2314. $msg_date = null;
  2315. if (!empty($start_date) && !empty($end_date)) {
  2316. //$msg_date = get_lang('From').' '.$start_date.' '.get_lang('To').' '.$end_date;
  2317. $msg_date = sprintf(get_lang('FromDateXToDateY'), $start_date, $end_date);
  2318. } else {
  2319. if (!empty($start_date)) {
  2320. $msg_date = get_lang('From').' '.$start_date;
  2321. }
  2322. if (!empty($end_date)) {
  2323. $msg_date = get_lang('Until').' '.$end_date;
  2324. }
  2325. }
  2326. return $msg_date;
  2327. }
  2328. static public function get_session_columns($list_type = 'simple') {
  2329. //$activeurl = '?sidx=session_active';
  2330. //Column config
  2331. $operators = array('cn', 'nc');
  2332. $date_operators = array('gt', 'ge', 'lt', 'le');
  2333. switch ($list_type) {
  2334. case 'simple':
  2335. $columns = array(
  2336. get_lang('Name'),
  2337. get_lang('SessionDisplayStartDate'),
  2338. get_lang('SessionDisplayEndDate'),
  2339. //get_lang('SessionCategoryName'),
  2340. //get_lang('Coach'),
  2341. //get_lang('Status'),
  2342. get_lang('Visibility'),
  2343. //get_lang('CourseTitle'),
  2344. );
  2345. $column_model = array (
  2346. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2347. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2348. array('name'=>'display_end_date', 'index'=>'display_end_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_one_month', 'sopt' => $date_operators)),
  2349. // array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
  2350. //array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2351. //array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2352. //array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2353. //array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2354. //for the bottom bar
  2355. // 'searchoptions' => array(
  2356. // 'defaultValue' => '1',
  2357. // 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2358. //for the top bar
  2359. //'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2360. //),
  2361. //array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2362. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2363. //array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2364. );
  2365. break;
  2366. case 'complete':
  2367. $columns = array(
  2368. get_lang('Name'),
  2369. get_lang('SessionDisplayStartDate'),
  2370. get_lang('SessionDisplayEndDate'),
  2371. //get_lang('SessionCategoryName'),
  2372. get_lang('Coach'),
  2373. get_lang('Status'),
  2374. get_lang('Visibility'),
  2375. get_lang('CourseTitle'),
  2376. );
  2377. $column_model = array (
  2378. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2379. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2380. array('name'=>'display_end_date', 'index'=>'display_end_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_one_month', 'sopt' => $date_operators)),
  2381. // array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
  2382. //array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2383. //array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2384. array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2385. array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2386. //for the bottom bar
  2387. 'searchoptions' => array(
  2388. 'defaultValue' => '1',
  2389. 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2390. //for the top bar
  2391. 'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2392. ),
  2393. //array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2394. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2395. array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2396. );
  2397. break;
  2398. }
  2399. //Inject extra session fields
  2400. $session_field = new SessionField();
  2401. $session_field_option = new SessionFieldOption();
  2402. $fields = $session_field->get_all(array('field_visible = ? AND field_filter = ?' => array(1, 1)), 'option_display_text');
  2403. $rules = array();
  2404. if (!empty($fields)) {
  2405. foreach ($fields as $field) {
  2406. $search_options = array();
  2407. $type = 'text';
  2408. if (in_array($field['field_type'], array(ExtraField::FIELD_TYPE_SELECT, ExtraField::FIELD_TYPE_DOUBLE_SELECT))) {
  2409. $type = 'select';
  2410. $search_options['sopt'] = array('eq', 'ne'); //equal not equal
  2411. } else {
  2412. $search_options['sopt'] = array('cn', 'nc');//contains not contains
  2413. }
  2414. $search_options['searchhidden'] = 'true';
  2415. $search_options['defaultValue'] = isset($search_options['field_default_value']) ? $search_options['field_default_value'] : null;
  2416. if ($field['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  2417. //Add 2 selects
  2418. $options = $session_field_option->get_field_options_by_field($field['id']);
  2419. $options = ExtraField::extra_field_double_select_convert_array_to_ordered_array($options);
  2420. $first_options = array();
  2421. if (!empty($options)) {
  2422. foreach ($options as $option) {
  2423. foreach ($option as $sub_option) {
  2424. if ($sub_option['option_value'] == 0) {
  2425. $first_options[] = $sub_option['field_id'].'#'.$sub_option['id'].':'.$sub_option['option_display_text'];
  2426. } else {
  2427. }
  2428. }
  2429. }
  2430. }
  2431. $search_options['value'] = implode(';', $first_options);
  2432. $search_options['dataInit'] = 'fill_second_select';
  2433. //First
  2434. $column_model[] = array(
  2435. 'name' => 'extra_'.$field['field_variable'],
  2436. 'index' => 'extra_'.$field['field_variable'],
  2437. 'width' => '100',
  2438. 'hidden' => 'true',
  2439. 'search' => 'true',
  2440. 'stype' => 'select',
  2441. 'searchoptions' => $search_options
  2442. );
  2443. $columns[] = $field['field_display_text'].' (1)';
  2444. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2445. //Second
  2446. $search_options['value'] = $field['id'].':';
  2447. $search_options['dataInit'] = 'register_second_select';
  2448. $column_model[] = array(
  2449. 'name' => 'extra_'.$field['field_variable'].'_second',
  2450. 'index' => 'extra_'.$field['field_variable'].'_second',
  2451. 'width' => '100',
  2452. 'hidden' => 'true',
  2453. 'search' => 'true',
  2454. 'stype' => 'select',
  2455. 'searchoptions' => $search_options
  2456. );
  2457. $columns[] = $field['field_display_text'].' (2)';
  2458. $rules[] = array('field' => 'extra_'.$field['field_variable'].'_second', 'op' => 'cn');
  2459. continue;
  2460. } else {
  2461. $search_options['value'] = $session_field_option->get_field_options_to_string($field['id'], false, 'option_display_text');
  2462. }
  2463. $column_model[] = array(
  2464. 'name' => 'extra_'.$field['field_variable'],
  2465. 'index' => 'extra_'.$field['field_variable'],
  2466. 'width' => '100',
  2467. 'hidden' => 'true',
  2468. 'search' => 'true',
  2469. 'stype' => $type,
  2470. 'searchoptions' => $search_options
  2471. );
  2472. $columns[] = $field['field_display_text'];
  2473. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2474. }
  2475. }
  2476. $column_model[] = array('name'=>'actions', 'index'=>'actions', 'width'=>'80', 'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false');
  2477. $columns[] = get_lang('Actions');
  2478. foreach ($column_model as $col_model) {
  2479. $simple_column_name[] = $col_model['name'];
  2480. }
  2481. $return_array = array(
  2482. 'columns' => $columns,
  2483. 'column_model' => $column_model,
  2484. 'rules' => $rules,
  2485. 'simple_column_name' => $simple_column_name
  2486. );
  2487. return $return_array;
  2488. }
  2489. }