gradebook.lib.php 5.0 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This class provides methods for the notebook management.
  5. * Include/require it in your code to use its features.
  6. * @package chamilo.library
  7. */
  8. /**
  9. * Code
  10. */
  11. class Gradebook extends Model {
  12. var $columns = array('id', 'name', 'description', 'course_code', 'parent_id', 'grade_model_id', 'session_id', 'weight', 'user_id');
  13. public function __construct() {
  14. $this->table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
  15. $this->table_skill = Database::get_main_table(TABLE_MAIN_SKILL);
  16. $this->table_skill_rel_gradebook = Database::get_main_table(TABLE_MAIN_SKILL_REL_GRADEBOOK);
  17. }
  18. public function get_all($options = array()) {
  19. $gradebooks = parent::get_all($options);
  20. foreach($gradebooks as &$gradebook) {
  21. if (empty($gradebook['name'])) {
  22. $gradebook['name'] = $gradebook['course_code'];
  23. }
  24. }
  25. return $gradebooks;
  26. }
  27. public function update($params) {
  28. return parent::update($params);
  29. }
  30. public function update_skills_to_gradebook($gradebook_id, $skill_list) {
  31. if (!empty($skill_list)) {
  32. //Cleaning skills
  33. $skill_list = array_map('intval', $skill_list);
  34. $skill_list = array_filter($skill_list);
  35. $skill_gradebook = new SkillRelGradebook();
  36. $skill_gradebooks_source = $skill_gradebook->get_all(array('where'=>array('gradebook_id = ?' =>$gradebook_id)));
  37. $clean_gradebook = array();
  38. if (!empty($skill_gradebooks_source)) {
  39. foreach($skill_gradebooks_source as $source) {
  40. $clean_gradebook[]= $source['skill_id'];
  41. }
  42. }
  43. if (!empty($clean_gradebook)) {
  44. $skill_to_remove = array_diff($clean_gradebook, $skill_list);
  45. }
  46. foreach ($skill_list as $skill_id) {
  47. $params = array();
  48. $params['gradebook_id'] = $gradebook_id;
  49. $params['skill_id'] = $skill_id;
  50. if (!$skill_gradebook->exists_gradebook_skill($gradebook_id, $skill_id)) {
  51. $skill_gradebook->save($params);
  52. }
  53. }
  54. if (!empty($skill_to_remove)) {
  55. foreach($skill_to_remove as $remove) {
  56. $skill_item = $skill_gradebook->get_skill_info($remove, $gradebook_id);
  57. $skill_gradebook->delete($skill_item['id']);
  58. }
  59. }
  60. return true;
  61. }
  62. return false;
  63. }
  64. /**
  65. * Returns a Form validator Obj
  66. * @todo the form should be auto generated
  67. * @param string url
  68. * @param string action add, edit
  69. * @return obj form validator obj
  70. */
  71. public function show_skill_form($gradebook_id, $url, $header = null) {
  72. $form = new FormValidator('gradebook_add_skill', 'POST', $url);
  73. // Settting the form elements
  74. if (!isset($header)) {
  75. $header = get_lang('Add');
  76. }
  77. $form->addElement('header', '', $header);
  78. $id = isset($_GET['id']) ? intval($_GET['id']) : '';
  79. $form->addElement('hidden', 'id', $id);
  80. $skill = new Skill();
  81. $skills = $skill->get_all();
  82. $clean_skill_list = array();
  83. foreach ($skills as $skill) {
  84. $clean_skill_list[$skill['id']] = $skill['name'];
  85. }
  86. $form->addElement('select', 'skill', get_lang('Skills'), $clean_skill_list, array('width'=>'450px', 'class'=>'chzn-select','multiple' => 'multiple'));
  87. $selected_skills = self::get_skills_by_gradebook($gradebook_id);
  88. $clean_selected_skills = array();
  89. if (!empty($selected_skills)) {
  90. foreach($selected_skills as $skill) {
  91. $clean_selected_skills[] = $skill['id'];
  92. }
  93. }
  94. $form->addElement('style_submit_button', 'submit', get_lang('Add'), 'class="save"');
  95. $form->setDefaults(array('skill'=>$clean_selected_skills));
  96. return $form;
  97. }
  98. function get_skills_by_gradebook($gradebook_id) {
  99. $gradebook_id = intval($gradebook_id);
  100. $sql = "SELECT skill.id, skill.name FROM {$this->table_skill} skill INNER JOIN {$this->table_skill_rel_gradebook} skill_rel_gradebook
  101. ON skill.id = skill_rel_gradebook.skill_id
  102. WHERE skill_rel_gradebook.gradebook_id = $gradebook_id";
  103. $result = Database::query($sql);
  104. $result = Database::store_result($result,'ASSOC');
  105. return $result;
  106. }
  107. /**
  108. * Displays the title + grid
  109. */
  110. public function display() {
  111. // action links
  112. echo Display::grid_html('gradebooks');
  113. }
  114. }