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@@ -1788,43 +1788,1962 @@ class score extends question
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}
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/**
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- * Checks whether the given survey has a pagebreak question as the first or the last question.
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- * If so, break the current process, displaying an error message
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- * @param integer Survey ID (database ID)
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- * @param boolean Optional. Whether to continue the current process or exit when breaking condition found. Defaults to true (do not break).
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- * @return void
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+ * This class offers a series of general utility functions for survey querying and display
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+ * @package dokeos.survey
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*/
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-function check_first_last_question($survey_id, $continue=true)
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-{
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- // table definitions
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- $tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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- $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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+class SurveyUtil {
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+ /**
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+ * Checks whether the given survey has a pagebreak question as the first or the last question.
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+ * If so, break the current process, displaying an error message
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+ * @param integer Survey ID (database ID)
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+ * @param boolean Optional. Whether to continue the current process or exit when breaking condition found. Defaults to true (do not break).
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+ * @return void
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+ */
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+ function check_first_last_question($survey_id, $continue=true)
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+ {
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+ // table definitions
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+ $tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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+
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+ // getting the information of the question
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+ $sql = "SELECT * FROM $tbl_survey_question WHERE survey_id='".Database::escape_string($survey_id)."' ORDER BY sort ASC";
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+ $result = api_sql_query($sql, __FILE__, __LINE__);
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+ $total = Database::num_rows($result);
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+ $counter=1;
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+ $error = false;
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+ while ($row = Database::fetch_array($result,'ASSOC'))
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+ {
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+ if ($counter == 1 AND $row['type'] == 'pagebreak')
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+ {
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+ Display::display_error_message(get_lang('PagebreakNotFirst'), false);
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+ $error = true;
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+ }
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+ if ($counter == $total AND $row['type'] == 'pagebreak')
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+ {
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+ Display::display_error_message(get_lang('PagebreakNotLast'), false);
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+ $error = true;
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+ }
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+ $counter++;
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+ }
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+
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+ if (!$continue AND $error)
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+ {
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+ Display::display_footer();
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+ exit;
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+ }
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+ }
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+ /**
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+ * This function removes an (or multiple) answer(s) of a user on a question of a survey
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+ *
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+ * @param mixed The user id or email of the person who fills the survey
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+ * @param integer The survey id
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+ * @param integer The question id
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+ * @param integer The option id
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+ *
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version January 2007
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+ */
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+ function remove_answer($user, $survey_id, $question_id)
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+ {
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+ global $_course;
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+ // table definition
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+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
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+ $sql = "DELETE FROM $table_survey_answer
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+ WHERE user = '".Database::escape_string($user)."'
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+ AND survey_id = '".Database::escape_string($survey_id)."'
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+ AND question_id = '".Database::escape_string($question_id)."'";
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+ $result = api_sql_query($sql, __FILE__, __LINE__);
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+ }
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+ /**
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+ * This function stores an answer of a user on a question of a survey
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+ *
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+ * @param mixed The user id or email of the person who fills the survey
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+ * @param integer Survey id
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+ * @param integer Question id
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+ * @param integer Option id
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+ * @param string Option value
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+ * @param array Survey data settings
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+ *
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version January 2007
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+ */
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+ function store_answer($user, $survey_id, $question_id, $option_id, $option_value, $survey_data)
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+ {
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+ global $_course;
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+ global $types;
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+ // table definition
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+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
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+
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+ // make the survey anonymous
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+ if ($survey_data['anonymous'] == 1)
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+ {
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+ if (!$_SESSION['surveyuser'])
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+ {
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+ $user = md5($user.time());
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+ $_SESSION['surveyuser'] = $user;
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+ }
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+ else
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+ {
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+ $user = $_SESSION['surveyuser'];
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+ }
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+ }
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+ $sql = "INSERT INTO $table_survey_answer (user, survey_id, question_id, option_id, value) VALUES (
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+ '".Database::escape_string($user)."',
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+ '".Database::escape_string($survey_id)."',
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+ '".Database::escape_string($question_id)."',
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+ '".Database::escape_string($option_id)."',
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+ '".Database::escape_string($option_value)."'
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+ )";
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+ $result = api_sql_query($sql, __FILE__, __LINE__);
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+ }
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+ /**
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+ * This function checks the parameters that are used in this page
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+ *
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+ * @return string The header, an error and the footer if any parameter fails, else it returns true
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version February 2007
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+ */
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+ function check_parameters()
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+ {
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+ $error = false;
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+
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+ // getting the survey data
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+ $survey_data = survey_manager::get_survey($_GET['survey_id']);
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+
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+ // $_GET['survey_id'] has to be numeric
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+ if (!is_numeric($_GET['survey_id']))
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+ {
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+ $error = get_lang('IllegalSurveyId');
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+ }
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+
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+ // $_GET['action']
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+ $allowed_actions = array('overview', 'questionreport', 'userreport', 'comparativereport', 'completereport');
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+ if (isset($_GET['action']) AND !in_array($_GET['action'], $allowed_actions))
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+ {
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+ $error = get_lang('ActionNotAllowed');
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+ }
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+
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+ // user report
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+ if ($_GET['action'] == 'userreport')
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+ {
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+ global $people_filled;
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+ if ($survey_data['anonymous'] == 0)
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+ {
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+ $people_filled_full_data = true;
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+ }
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+ else
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+ {
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+ $people_filled_full_data = false;
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+ }
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+ $people_filled = survey_manager::get_people_who_filled_survey($_GET['survey_id'], $people_filled_full_data);
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+ if ($survey_data['anonymous'] == 0)
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+ {
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+ foreach ($people_filled as $key=>$value)
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+ {
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+ $people_filled_userids[]=$value['invited_user'];
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+ }
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+ }
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+ else
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+ {
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+ $people_filled_userids = $people_filled;
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+ }
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+
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+ if (isset($_GET['user']) AND !in_array($_GET['user'], $people_filled_userids))
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+ {
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+ $error = get_lang('UnknowUser');
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+ }
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+ }
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+
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+ // question report
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+ if ($_GET['action'] == 'questionreport')
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+ {
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+ if (isset($_GET['question'])AND !is_numeric($_GET['question']))
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+ {
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+ $error = get_lang('UnknowQuestion');
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+ }
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+ }
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+
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+ if ($error)
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+ {
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+ $tool_name = get_lang('Reporting');
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+ Display::display_header($tool_name);
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+ Display::display_error_message(get_lang('Error').': '.$error, false);
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+ Display::display_footer();
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+ exit;
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+ }
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+ else
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+ {
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+ return true;
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+ }
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+ }
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+
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+ /**
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+ * This function deals with the action handling
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+ * @return void
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version February 2007
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+ */
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+ function handle_reporting_actions()
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+ {
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+ // getting the number of question
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+ $temp_questions_data = survey_manager::get_questions($_GET['survey_id']);
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+
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+ // sorting like they should be displayed and removing the non-answer question types (comment and pagebreak)
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+ foreach ($temp_questions_data as $key=>$value)
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+ {
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+ if ($value['type'] <> 'comment' AND $value['type']<>'pagebreak')
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+ {
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+ $questions_data[$value['sort']]=$value;
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+ }
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+ }
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+
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+ // counting the number of questions that are relevant for the reporting
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+ $survey_data['number_of_questions'] = count($questions_data);
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+
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+ if ($_GET['action'] == 'questionreport')
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+ {
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+ SurveyUtil::display_question_report($survey_data);
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+ }
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+ if ($_GET['action'] == 'userreport')
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+ {
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+ SurveyUtil::display_user_report();
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+ }
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+ if ($_GET['action'] == 'comparativereport')
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+ {
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+ SurveyUtil::display_comparative_report();
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+ }
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+ if ($_GET['action'] == 'completereport')
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+ {
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+ SurveyUtil::display_complete_report();
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+ }
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+ }
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+
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+ /**
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+ * This function displays the user report which is basically nothing more than a one-page display of all the questions
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+ * of the survey that is filled with the answers of the person who filled the survey.
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+ *
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+ * @return string html code of the one-page survey with the answers of the selected user
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version February 2007 - Updated March 2008
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+ */
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+ function display_user_report()
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+ {
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+ global $people_filled, $survey_data;
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+
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+ // Database table definitions
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+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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+
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+ // step 1: selection of the user
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+ echo "<script language=\"JavaScript\" type=\"text/JavaScript\">
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+ <!--
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+ function jumpMenu(targ,selObj,restore)
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+ {
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+ eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
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+ if (restore) selObj.selectedIndex=0;
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+ }
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+ //-->
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+ </script>
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+ ";
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+ echo get_lang('SelectUserWhoFilledSurvey').'<br />';
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+ echo '<select name="user" onchange="jumpMenu(\'parent\',this,0)">';
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+ echo '<option value="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">'.get_lang('SelectUser').'</option>';
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+
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+ foreach ($people_filled as $key=>$person)
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+ {
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+ if ($survey_data['anonymous'] == 0)
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+ {
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+ $name = $person['firstname'].' '.$person['lastname'];
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+ $id = $person['user_id'];
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+ }
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+ else
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+ {
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+ $name = $key+1;
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+ $id = $person;
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+ }
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+ echo '<option value="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$id.'" ';
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+ if ($_GET['user'] == $person)
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+ {
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+ echo 'selected="selected"';
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+ }
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+ echo '>'.$name.'</option>';
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+ }
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+ echo '</select>';
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+
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+ // step 2: displaying the survey and the answer of the selected users
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+ if (isset($_GET['user']))
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+ {
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+ Display::display_normal_message(get_lang('AllQuestionsOnOnePage'), false);
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+
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+ // getting all the questions and options
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+ $sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.max_value, survey_question.sort, survey_question.type,
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+ survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
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+ FROM $table_survey_question survey_question
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+ LEFT JOIN $table_survey_question_option survey_question_option
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+ ON survey_question.question_id = survey_question_option.question_id
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+ WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
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+ ORDER BY survey_question.sort ASC";
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+ $result = api_sql_query($sql, __FILE__, __LINE__);
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+ while ($row = mysql_fetch_assoc($result))
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+ {
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+ if($row['type'] <> 'pagebreak')
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+ {
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+ $questions[$row['sort']]['question_id'] = $row['question_id'];
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+ $questions[$row['sort']]['survey_id'] = $row['survey_id'];
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+ $questions[$row['sort']]['survey_question'] = $row['survey_question'];
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+ $questions[$row['sort']]['display'] = $row['display'];
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+ $questions[$row['sort']]['type'] = $row['type'];
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+ $questions[$row['sort']]['maximum_score'] = $row['max_value'];
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+ $questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
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+ }
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+ }
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+
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+ // getting all the answers of the user
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+ $sql = "SELECT * FROM $table_survey_answer WHERE survey_id = '".Database::escape_string($_GET['survey_id'])."' AND user = '".Database::escape_string($_GET['user'])."'";
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+ $result = api_sql_query($sql, __FILE__, __LINE__);
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+ while ($row = mysql_fetch_assoc($result))
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+ {
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+ $answers[$row['question_id']][] = $row['option_id'];
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+ $all_answers[$row['question_id']][] = $row;
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+ }
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+ // displaying all the questions
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+ foreach ($questions as $key=>$question)
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+ {
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+ // if the question type is a scoring then we have to format the answers differently
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+ if ($question['type'] == 'score')
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+ {
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+ foreach($all_answers[$question['question_id']] as $key=>$answer_array)
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+ {
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+ $second_parameter[$answer_array['option_id']] = $answer_array['value'];
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+ }
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+ }
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+ else
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+ {
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+ $second_parameter = $answers[$question['question_id']];
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+ if ($question['type'] == 'open')
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+ {
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+ $second_parameter = array();
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+ $second_parameter[] = $all_answers[$question['question_id']][0]['option_id'];
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+ }
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+ }
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+ $display = new $question['type'];
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+ $display->render_question($question, $second_parameter);
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+ }
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+ }
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+ }
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+
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+ /**
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+ * This function displays the report by question.
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+ *
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+ * It displays a table with all the options of the question and the number of users who have answered positively on the option.
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+ * The number of users who answered positive on a given option is expressed in an absolute number, in a percentage of the total
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+ * and graphically using bars
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+ * By clicking on the absolute number you get a list with the persons who have answered this.
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+ * You can then click on the name of the person and you will then go to the report by user where you see all the
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+ * answers of that user.
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+ *
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+ * @param array All the survey data
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+ * @return string html code that displays the report by question
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+ * @todo allow switching between horizontal and vertical.
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+ * @todo multiple response: percentage are probably not OK
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+ * @todo the question and option text have to be shortened and should expand when the user clicks on it.
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+ * @todo the pagebreak and comment question types should not be shown => removed from $survey_data before
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+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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+ * @version February 2007 - Updated March 2008
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+ */
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+ function display_question_report($survey_data)
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+ {
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+ // Database table definitions
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+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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+
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+ // determining the offset of the sql statement (the n-th question of the survey)
|
|
|
+ if (!isset($_GET['question']))
|
|
|
+ {
|
|
|
+ $offset = 0;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $offset = Database::escape_string($_GET['question']);
|
|
|
+ }
|
|
|
+
|
|
|
+ echo '<div id="question_report_questionnumbers">';
|
|
|
+ for($i=1; $i<=($survey_data['number_of_questions']); $i++ )
|
|
|
+ {
|
|
|
+ if ($offset <> $i-1)
|
|
|
+ {
|
|
|
+ echo '<a href="reporting.php?action=questionreport&survey_id='.(int)$_GET['survey_id'].'&question='.($i-1).'">'.$i.'</a>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo $i;
|
|
|
+ }
|
|
|
+ if ($i < $survey_data['number_of_questions'])
|
|
|
+ {
|
|
|
+ echo ' | ';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo '</div>';
|
|
|
+
|
|
|
+ // getting the question information
|
|
|
+ $sql = "SELECT * FROM $table_survey_question WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' AND type<>'pagebreak' AND type<>'comment' ORDER BY sort ASC LIMIT ".$offset.",1";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $question = Database::fetch_array($result);
|
|
|
+
|
|
|
+ // navigate through the questions (next and previous)
|
|
|
+ if ($_GET['question'] <> 0)
|
|
|
+ {
|
|
|
+ echo '<a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.$_GET['survey_id'].'&question='.Security::remove_XSS($offset-1).'"> << '.get_lang('PreviousQuestion').'</a> ';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo '<<'.get_lang('PreviousQuestion').' ';
|
|
|
+ }
|
|
|
+ echo ' | ';
|
|
|
+ if ($_GET['question'] < ($survey_data['number_of_questions']-1))
|
|
|
+ {
|
|
|
+ echo '<a href="reporting.php?action='.$_GET['action'].'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($offset+1).'">'.get_lang('NextQuestion').'>> </a>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo get_lang('NextQuestion'). '>>';
|
|
|
+ }
|
|
|
+ echo '<br />';
|
|
|
+
|
|
|
+ echo $question['survey_question'];
|
|
|
+
|
|
|
+ echo '<br />';
|
|
|
+
|
|
|
+ if ($question['type'] == 'score')
|
|
|
+ {
|
|
|
+ /** @todo this function should return the options as this is needed further in the code */
|
|
|
+ $options = SurveyUtil::display_question_report_score($survey_data, $question, $offset);
|
|
|
+ }
|
|
|
+ elseif ($question['type'] == 'open')
|
|
|
+ {
|
|
|
+ /** @todo also get the user who has answered this */
|
|
|
+ $sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ AND question_id = '".Database::escape_string($question['question_id'])."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ echo $row['option_id'].'<hr noshade="noshade" size="1" />';
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ // getting the options
|
|
|
+ $sql = "SELECT * FROM $table_survey_question_option
|
|
|
+ WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
|
+ ORDER BY sort ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ $options[$row['question_option_id']] = $row;
|
|
|
+ }
|
|
|
+ // getting the answers
|
|
|
+ $sql = "SELECT *, count(answer_id) as total FROM $table_survey_answer
|
|
|
+ WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
|
+ GROUP BY option_id, value";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ $number_of_answers += $row['total'];
|
|
|
+ $data[$row['option_id']] = $row;
|
|
|
+ }
|
|
|
+ //echo '<pre>';
|
|
|
+ //print_r($data);
|
|
|
+ //echo '<pre>';
|
|
|
+
|
|
|
+ // displaying the table: headers
|
|
|
+ echo '<table>';
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <th> </th>';
|
|
|
+ echo ' <th>'.get_lang('AbsoluteTotal').'</th>';
|
|
|
+ echo ' <th>'.get_lang('Percentage').'</th>';
|
|
|
+ echo ' <th>'.get_lang('VisualRepresentation').'</th>';
|
|
|
+ echo ' <tr>';
|
|
|
+
|
|
|
+
|
|
|
+ // displaying the table: the content
|
|
|
+ foreach ($options as $key=>$value)
|
|
|
+ {
|
|
|
+ $absolute_number = $data[$value['question_option_id']]['total'];
|
|
|
+ if($number_of_answers == 0)
|
|
|
+ {
|
|
|
+ $answers_number = 0;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $answers_number = $absolute_number/$number_of_answers*100;
|
|
|
+ }
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <td>'.$value['option_text'].'</td>';
|
|
|
+ echo ' <td align="right"><a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($offset).'&viewoption='.$value['question_option_id'].'">'.$absolute_number.'</a></td>';
|
|
|
+ echo ' <td align="right">'.round($answers_number, 2).' %</td>';
|
|
|
+ echo ' <td align="right">';
|
|
|
+ $size = $answers_number*2;
|
|
|
+ if ($size > 0)
|
|
|
+ {
|
|
|
+ echo '<div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px"> </div>';
|
|
|
+ }
|
|
|
+ echo ' </td>';
|
|
|
+ echo ' </tr>';
|
|
|
+ }
|
|
|
+
|
|
|
+ // displaying the table: footer (totals)
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <td style="border-top:1px solid black;"><b>'.get_lang('Total').'</b></td>';
|
|
|
+ echo ' <td style="border-top:1px solid black;" align="right"><b>'.($number_of_answers==0?'0':$number_of_answers).'</b></td>';
|
|
|
+ echo ' <td style="border-top:1px solid black;"> </td>';
|
|
|
+ echo ' <td style="border-top:1px solid black;"> </td>';
|
|
|
+ echo ' </tr>';
|
|
|
+
|
|
|
+ echo '</table>';
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isset($_GET['viewoption']))
|
|
|
+ {
|
|
|
+ echo get_lang('PeopleWhoAnswered').': '.$options[$_GET['viewoption']]['option_text'].'<br />';
|
|
|
+
|
|
|
+ if (is_numeric($_GET['value']))
|
|
|
+ {
|
|
|
+ $sql_restriction = "AND value='".Database::escape_string($_GET['value'])."'";
|
|
|
+ }
|
|
|
+
|
|
|
+ $sql = "SELECT user FROM $table_survey_answer WHERE option_id = '".Database::escape_string($_GET['viewoption'])."' $sql_restriction";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ echo '<a href="reporting.php?action=userreport&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$row['user'].'">'.$row['user'].'</a><br />';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Display score data about a survey question
|
|
|
+ * @param array Question info
|
|
|
+ * @param integer The offset of results shown
|
|
|
+ * @return void (direct output)
|
|
|
+ */
|
|
|
+ function display_question_report_score($survey_data, $question, $offset)
|
|
|
+ {
|
|
|
+ // Database table definitions
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
+
|
|
|
+ // getting the options
|
|
|
+ $sql = "SELECT * FROM $table_survey_question_option
|
|
|
+ WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
|
+ ORDER BY sort ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ $options[$row['question_option_id']] = $row;
|
|
|
+ }
|
|
|
+
|
|
|
+ // getting the answers
|
|
|
+ $sql = "SELECT *, count(answer_id) as total FROM $table_survey_answer
|
|
|
+ WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
|
+ GROUP BY option_id, value";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ $number_of_answers += $row['total'];
|
|
|
+ $data[$row['option_id']][$row['value']] = $row;
|
|
|
+ }
|
|
|
+ // displaying the table: headers
|
|
|
+ echo '<table>';
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <th> </th>';
|
|
|
+ echo ' <th>'.get_lang('Score').'</th>';
|
|
|
+ echo ' <th>'.get_lang('AbsoluteTotal').'</th>';
|
|
|
+ echo ' <th>'.get_lang('Percentage').'</th>';
|
|
|
+ echo ' <th>'.get_lang('VisualRepresentation').'</th>';
|
|
|
+ echo ' <tr>';
|
|
|
+ // displaying the table: the content
|
|
|
+ foreach ($options as $key=>$value)
|
|
|
+ {
|
|
|
+ for ($i=1; $i<=$question['max_value']; $i++)
|
|
|
+ {
|
|
|
+ $absolute_number = $data[$value['question_option_id']][$i]['total'];
|
|
|
+
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <td>'.$value['option_text'].'</td>';
|
|
|
+ echo ' <td>'.$i.'</td>';
|
|
|
+ echo ' <td><a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($offset).'&viewoption='.$value['question_option_id'].'&value='.$i.'">'.$absolute_number.'</a></td>';
|
|
|
+ echo ' <td>'.round($absolute_number/$number_of_answers*100, 2).' %</td>';
|
|
|
+ echo ' <td>';
|
|
|
+ $size = ($absolute_number/$number_of_answers*100*2);
|
|
|
+ if ($size > 0)
|
|
|
+ {
|
|
|
+ echo ' <div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px"> </div>';
|
|
|
+ }
|
|
|
+ echo ' </td>';
|
|
|
+ echo ' </tr>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // displaying the table: footer (totals)
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <td style="border-top:1px solid black"><b>'.get_lang('Total').'</b></td>';
|
|
|
+ echo ' <td style="border-top:1px solid black"> </td>';
|
|
|
+ echo ' <td style="border-top:1px solid black"><b>'.$number_of_answers.'</b></td>';
|
|
|
+ echo ' <td style="border-top:1px solid black"> </td>';
|
|
|
+ echo ' <td style="border-top:1px solid black"> </td>';
|
|
|
+ echo ' </tr>';
|
|
|
+
|
|
|
+ echo '</table>';
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This functions displays the complete reporting
|
|
|
+ * @return string HTML code
|
|
|
+ * @todo open questions are not in the complete report yet.
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function display_complete_report()
|
|
|
+ {
|
|
|
+ // Database table definitions
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
+
|
|
|
+ // the form
|
|
|
+ echo '<form id="form1a" name="form1a" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
|
+ echo '<input type="hidden" name="export_report" value="export_report">';
|
|
|
+ echo '<input type="hidden" name="export_format" value="csv">';
|
|
|
+ echo '</form>';
|
|
|
+ echo '<form id="form1b" name="form1b" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
|
+ echo '<input type="hidden" name="export_report" value="export_report">';
|
|
|
+ echo '<input type="hidden" name="export_format" value="xls">';
|
|
|
+ echo '</form>';
|
|
|
+ echo '<form id="form2" name="form2" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
|
+ echo '<a href="#" onclick="document.form1a.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif"> '.get_lang('ExportCurrentReportAsCSV').'</a>';
|
|
|
+ echo '<a href="#" onclick="document.form1b.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif"> '.get_lang('ExportCurrentReportAsXLS').'</a>';
|
|
|
+ // the table
|
|
|
+ echo '<table class="data_table" border="1">';
|
|
|
+ // getting the number of options per question
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <th>';
|
|
|
+ if ($_POST['submit_question_filter'] OR $_POST['export_report'])
|
|
|
+ {
|
|
|
+ echo ' <input type="submit" name="reset_question_filter" value="'.get_lang('ResetQuestionFilter').'" />';
|
|
|
+ }
|
|
|
+ echo ' <input type="submit" name="submit_question_filter" value="'.get_lang('SubmitQuestionFilter').'" />';
|
|
|
+ echo '</th>';
|
|
|
+ $sql = "SELECT questions.question_id, questions.type, questions.survey_question, count(options.question_option_id) as number_of_options
|
|
|
+ FROM $table_survey_question questions LEFT JOIN $table_survey_question_option options
|
|
|
+ ON questions.question_id = options.question_id
|
|
|
+ WHERE questions.question_id = options.question_id
|
|
|
+ AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ GROUP BY questions.question_id";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the questions if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ echo ' <th';
|
|
|
+ if ($row['number_of_options'] >0)
|
|
|
+ {
|
|
|
+ echo ' colspan="'.$row['number_of_options'].'"';
|
|
|
+ }
|
|
|
+ echo '>';
|
|
|
+
|
|
|
+ echo '<label><input type="checkbox" name="questions_filter[]" value="'.$row['question_id'].'" checked="checked"/> ';
|
|
|
+ echo $row['survey_question'];
|
|
|
+ echo '</label>';
|
|
|
+ echo '</th>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $questions[$row['question_id']] = $row;
|
|
|
+ }
|
|
|
+ echo ' </tr>';
|
|
|
+ // getting all the questions and options
|
|
|
+ echo ' <tr>';
|
|
|
+ echo ' <th> </th>'; // the user column
|
|
|
+ $sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type,
|
|
|
+ survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
|
|
|
+ FROM $table_survey_question survey_question
|
|
|
+ LEFT JOIN $table_survey_question_option survey_question_option
|
|
|
+ ON survey_question.question_id = survey_question_option.question_id
|
|
|
+ WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ ORDER BY survey_question.sort ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the options if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ echo ' <th>';
|
|
|
+ echo $row['option_text'];
|
|
|
+ echo '</th>';
|
|
|
+ $possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo ' </tr>';
|
|
|
+
|
|
|
+ // getting all the answers of the users
|
|
|
+ $old_user='';
|
|
|
+ $answers_of_user = array();
|
|
|
+ $sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' ORDER BY user ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ if ($old_user <> $row['user'] AND $old_user<>'')
|
|
|
+ {
|
|
|
+ SurveyUtil::display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions);
|
|
|
+ $answers_of_user=array();
|
|
|
+ }
|
|
|
+ if ($questions[$row['question_id']]['type']<> 'open')
|
|
|
+ {
|
|
|
+ $answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $answers_of_user[$row['question_id']][0] = $row;
|
|
|
+ }
|
|
|
+ $old_user = $row['user'];
|
|
|
+ }
|
|
|
+ SurveyUtil::display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions); // this is to display the last user
|
|
|
+
|
|
|
+ echo '</table>';
|
|
|
+
|
|
|
+ echo '</form>';
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function displays a row (= a user and his/her answers) in the table of the complete report.
|
|
|
+ *
|
|
|
+ * @param array Possible options
|
|
|
+ * @param array User answers
|
|
|
+ * @param mixed User ID or user details string
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007 - Updated March 2008
|
|
|
+ */
|
|
|
+ function display_complete_report_row($possible_options, $answers_of_user, $user, $questions)
|
|
|
+ {
|
|
|
+ global $survey_data;
|
|
|
+
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ echo '<tr>';
|
|
|
+ if ($survey_data['anonymous'] == 0)
|
|
|
+ {
|
|
|
+ if(intval($user)!==0)
|
|
|
+ {
|
|
|
+ $sql = 'SELECT firstname, lastname FROM '.Database::get_main_table(TABLE_MAIN_USER).' WHERE user_id='.intval($user);
|
|
|
+ $rs = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ if($row = Database::fetch_array($rs))
|
|
|
+ {
|
|
|
+ $user_displayed = $row['lastname'].' '.$row['firstname'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $user_displayed = '-';
|
|
|
+ }
|
|
|
+ echo ' <th><a href="'.api_get_self().'?action=userreport&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$user.'">'.$user_displayed.'</a></th>'; // the user column
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <th>'.$user.'</th>'; // the user column
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo '<th>-</th>';
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ foreach ($possible_options as $question_id=>$possible_option)
|
|
|
+ {
|
|
|
+ if ($questions[$question_id]['type'] == 'open')
|
|
|
+ {
|
|
|
+ echo '<td align="center">';
|
|
|
+ echo $answers_of_user[$question_id]['0']['option_id'];
|
|
|
+ echo '</td>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ foreach ($possible_option as $option_id=>$value)
|
|
|
+ {
|
|
|
+ echo '<td align="center">';
|
|
|
+ if (!empty($answers_of_user[$question_id][$option_id]))
|
|
|
+ {
|
|
|
+ if ($answers_of_user[$question_id][$option_id]['value']<>0)
|
|
|
+ {
|
|
|
+ echo $answers_of_user[$question_id][$option_id]['value'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo 'v';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ echo '</tr>';
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Quite similar to display_complete_report(), returns an HTML string
|
|
|
+ * that can be used in a csv file
|
|
|
+ * @todo consider merging this function with display_complete_report
|
|
|
+ * @return string The contents of a csv file
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function export_complete_report()
|
|
|
+ {
|
|
|
+ // Database table definitions
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
+
|
|
|
+ // the first column
|
|
|
+ $return = ';';
|
|
|
+
|
|
|
+ $sql = "SELECT questions.question_id, questions.type, questions.survey_question, count(options.question_option_id) as number_of_options
|
|
|
+ FROM $table_survey_question questions LEFT JOIN $table_survey_question_option options
|
|
|
+ ON questions.question_id = options.question_id "
|
|
|
+ ." AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ GROUP BY questions.question_id";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the questions if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ if($row['number_of_options'] == 0 && $row['type']=='open')
|
|
|
+ {
|
|
|
+ $return .= str_replace("\r\n",' ',html_entity_decode(strip_tags($row['survey_question']))).';';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ for ($ii = 0; $ii < $row['number_of_options']; $ii ++)
|
|
|
+ {
|
|
|
+ $return .= str_replace("\r\n",' ',html_entity_decode(strip_tags($row['survey_question']))).';';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $return .= "\n";
|
|
|
+
|
|
|
+ // getting all the questions and options
|
|
|
+ $return .= ';';
|
|
|
+ $sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type,
|
|
|
+ survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
|
|
|
+ FROM $table_survey_question survey_question
|
|
|
+ LEFT JOIN $table_survey_question_option survey_question_option
|
|
|
+ ON survey_question.question_id = survey_question_option.question_id
|
|
|
+ WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ ORDER BY survey_question.sort ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $possible_answers = array();
|
|
|
+ $possible_answers_type = array();
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the options if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ $return .= html_entity_decode(strip_tags($row['option_text'])).';';
|
|
|
+ $possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
|
+ $possible_answers_type[$row['question_id']] = $row['type'];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $return .= "\n";
|
|
|
+
|
|
|
+ // getting all the answers of the users
|
|
|
+ $old_user='';
|
|
|
+ $answers_of_user = array();
|
|
|
+ $sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' ORDER BY user ASC";
|
|
|
+
|
|
|
+ $open_question_iterator = 1;
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ if ($old_user <> $row['user'] AND $old_user <> '')
|
|
|
+ {
|
|
|
+ $return .= SurveyUtil::export_complete_report_row($possible_answers, $answers_of_user, $old_user);
|
|
|
+ $answers_of_user=array();
|
|
|
+ }
|
|
|
+ if($possible_answers_type[$row['question_id']] == 'open')
|
|
|
+ {
|
|
|
+ $temp_id = 'open'.$open_question_iterator;
|
|
|
+ $answers_of_user[$row['question_id']][$temp_id] = $row;
|
|
|
+ $open_question_iterator++;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
|
+ }
|
|
|
+ $old_user = $row['user'];
|
|
|
+ }
|
|
|
+ $return .= SurveyUtil::export_complete_report_row($possible_answers, $answers_of_user, $old_user); // this is to display the last user
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Add a line to the csv file
|
|
|
+ *
|
|
|
+ * @param array Possible answers
|
|
|
+ * @param array User's answers
|
|
|
+ * @param mixed User ID or user details as string - Used as a string in the result string
|
|
|
+ * @return string One line of the csv file
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function export_complete_report_row($possible_options, $answers_of_user, $user)
|
|
|
+ {
|
|
|
+ $return = $user.';'; // the user column
|
|
|
+
|
|
|
+ if(is_array($possible_options))
|
|
|
+ {
|
|
|
+ foreach ($possible_options as $question_id=>$possible_option)
|
|
|
+ {
|
|
|
+ if(is_array($possible_option) && count($possible_option)>0)
|
|
|
+ {
|
|
|
+ foreach ($possible_option as $option_id=>$value)
|
|
|
+ {
|
|
|
+ $key = array_keys($answers_of_user[$question_id]);
|
|
|
+ if(substr($key[0],0,4)=='open')
|
|
|
+ {
|
|
|
+ $return .= '"'.str_replace('"','""',html_entity_decode(strip_tags($answers_of_user[$question_id][$key[0]]['option_id']))).'"';
|
|
|
+ }
|
|
|
+ elseif (!empty($answers_of_user[$question_id][$option_id]))
|
|
|
+ {
|
|
|
+ $return .= 'v';
|
|
|
+ }
|
|
|
+ $return .= ';';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $return .= "\n";
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Quite similar to display_complete_report(), returns an HTML string
|
|
|
+ * that can be used in a csv file
|
|
|
+ * @todo consider merging this function with display_complete_report
|
|
|
+ * @return string The contents of a csv file
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function export_complete_report_xls($filename)
|
|
|
+ {
|
|
|
+ require_once(api_get_path(LIBRARY_PATH).'pear/Spreadsheet_Excel_Writer/Writer.php');
|
|
|
+ $workbook = new Spreadsheet_Excel_Writer();
|
|
|
+ $workbook->send($filename);
|
|
|
+ $worksheet =& $workbook->addWorksheet('Report 1');
|
|
|
+ $line = 0;
|
|
|
+ $column = 0;
|
|
|
+
|
|
|
+ //$worksheet->write($line, 0, 'Name');
|
|
|
+
|
|
|
+ // Database table definitions
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
+
|
|
|
+ // the first column
|
|
|
+
|
|
|
+ $column ++; //skip the first column (row titles)
|
|
|
+ $sql = "SELECT questions.question_id, questions.type, questions.survey_question, count(options.question_option_id) as number_of_options
|
|
|
+ FROM $table_survey_question questions LEFT JOIN $table_survey_question_option options
|
|
|
+ ON questions.question_id = options.question_id "
|
|
|
+ ." AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ GROUP BY questions.question_id";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the questions if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ if($row['number_of_options'] == 0 && $row['type']=='open')
|
|
|
+ {
|
|
|
+ $worksheet->write($line,$column,html_entity_decode(strip_tags($row['survey_question'])));
|
|
|
+ $column ++;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ for ($ii = 0; $ii < $row['number_of_options']; $ii ++)
|
|
|
+ {
|
|
|
+ $worksheet->write($line,$column,html_entity_decode(strip_tags($row['survey_question'])));
|
|
|
+ $column ++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $line++;
|
|
|
+ $column = 1;
|
|
|
+
|
|
|
+ // getting all the questions and options
|
|
|
+ $sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type,
|
|
|
+ survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
|
|
|
+ FROM $table_survey_question survey_question
|
|
|
+ LEFT JOIN $table_survey_question_option survey_question_option
|
|
|
+ ON survey_question.question_id = survey_question_option.question_id
|
|
|
+ WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
|
+ ORDER BY survey_question.sort ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $possible_answers = array();
|
|
|
+ $possible_answers_type = array();
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ // we show the options if
|
|
|
+ // 1. there is no question filter and the export button has not been clicked
|
|
|
+ // 2. there is a quesiton filter but the question is selected for display
|
|
|
+ if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
|
+ {
|
|
|
+ // we do not show comment and pagebreak question types
|
|
|
+ if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
|
+ {
|
|
|
+ $worksheet->write($line,$column,html_entity_decode(strip_tags($row['option_text'])));
|
|
|
+ $possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
|
+ $possible_answers_type[$row['question_id']] = $row['type'];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $line ++;
|
|
|
+ $column = 0;
|
|
|
+
|
|
|
+ // getting all the answers of the users
|
|
|
+ $old_user='';
|
|
|
+ $answers_of_user = array();
|
|
|
+ $sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' ORDER BY user ASC";
|
|
|
+
|
|
|
+ $open_question_iterator = 1;
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ if ($old_user <> $row['user'] AND $old_user <> '')
|
|
|
+ {
|
|
|
+ $return = SurveyUtil::export_complete_report_row_xls($possible_answers, $answers_of_user, $old_user);
|
|
|
+ foreach($return as $elem)
|
|
|
+ {
|
|
|
+ $worsheet->write($line,$column,$elem);
|
|
|
+ $column++;
|
|
|
+ }
|
|
|
+ $line++;
|
|
|
+ $column=0;
|
|
|
+ $answers_of_user=array();
|
|
|
+ }
|
|
|
+ if($possible_answers_type[$row['question_id']] == 'open')
|
|
|
+ {
|
|
|
+ $temp_id = 'open'.$open_question_iterator;
|
|
|
+ $answers_of_user[$row['question_id']][$temp_id] = $row;
|
|
|
+ $open_question_iterator++;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
|
+ }
|
|
|
+ $old_user = $row['user'];
|
|
|
+ }
|
|
|
+ $return = SurveyUtil::export_complete_report_row_xls($possible_answers, $answers_of_user, $old_user); // this is to display the last user
|
|
|
+ foreach($return as $elem)
|
|
|
+ {
|
|
|
+ $worksheet->write($line,$column,$elem);
|
|
|
+ $column++;
|
|
|
+ }
|
|
|
+ $workbook->close();
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Add a line to the csv file
|
|
|
+ *
|
|
|
+ * @param array Possible answers
|
|
|
+ * @param array User's answers
|
|
|
+ * @param mixed User ID or user details as string - Used as a string in the result string
|
|
|
+ * @return string One line of the csv file
|
|
|
+ */
|
|
|
+ function export_complete_report_row_xls($possible_options, $answers_of_user, $user)
|
|
|
+ {
|
|
|
+ $return = array();
|
|
|
+ $return[] = $user; // the user column
|
|
|
+
|
|
|
+ if(is_array($possible_options))
|
|
|
+ {
|
|
|
+ foreach ($possible_options as $question_id=>$possible_option)
|
|
|
+ {
|
|
|
+ if(is_array($possible_option) && count($possible_option)>0)
|
|
|
+ {
|
|
|
+ foreach ($possible_option as $option_id=>$value)
|
|
|
+ {
|
|
|
+ $key = array_keys($answers_of_user[$question_id]);
|
|
|
+ if(substr($key[0],0,4)=='open')
|
|
|
+ {
|
|
|
+ $return[] = html_entity_decode(strip_tags($answers_of_user[$question_id][$key[0]]['option_id']));
|
|
|
+ }
|
|
|
+ elseif (!empty($answers_of_user[$question_id][$option_id]))
|
|
|
+ {
|
|
|
+ $return[] = 'v';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function displays the comparative report which allows you to compare two questions
|
|
|
+ * A comparative report creates a table where one question is on the x axis and a second question is on the y axis.
|
|
|
+ * In the intersection is the number of people who have answerd positive on both options.
|
|
|
+ *
|
|
|
+ * @return string HTML code
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function display_comparative_report()
|
|
|
+ {
|
|
|
+ // allowed question types for comparative report
|
|
|
+ $allowed_question_types = array('yesno', 'multiplechoice', 'multipleresponse', 'dropdown', 'percentage', 'score');
|
|
|
+
|
|
|
+ // getting all the questions
|
|
|
+ $questions = survey_manager::get_questions($_GET['survey_id']);
|
|
|
+
|
|
|
+ // displaying an information message that only the questions with predefined answers can be used in a comparative report
|
|
|
+ Display::display_normal_message(get_lang('OnlyQuestionsWithPredefinedAnswers'), false);
|
|
|
+
|
|
|
+ // The form for selecting the axis of the table
|
|
|
+ echo '<form id="form1" name="form1" method="get" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&xaxis='.Security::remove_XSS($_GET['xaxis']).'&y='.Security::remove_XSS($_GET['yaxis']).'">';
|
|
|
+ // survey_id
|
|
|
+ echo '<input type="hidden" name="action" value="'.Security::remove_XSS($_GET['action']).'"/>';
|
|
|
+ echo '<input type="hidden" name="survey_id" value="'.(int)$_GET['survey_id'].'"/>';
|
|
|
+ // X axis
|
|
|
+ echo get_lang('SelectXAxis').': ';
|
|
|
+ echo '<select name="xaxis">';
|
|
|
+ echo '<option value="">---</option>';
|
|
|
+ foreach ($questions as $key=>$question)
|
|
|
+ {
|
|
|
+ if (in_array($question['type'], $allowed_question_types))
|
|
|
+ {
|
|
|
+ echo '<option value="'.$question['question_id'].'"';
|
|
|
+ if ($_GET['xaxis'] == $question['question_id'])
|
|
|
+ {
|
|
|
+ echo ' selected="selected"';
|
|
|
+ }
|
|
|
+ echo '">'.substr(strip_tags($question['question']), 0, 50).'</option>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo '</select><br /><br />';
|
|
|
+ // Y axis
|
|
|
+ echo get_lang('SelectYAxis').': ';
|
|
|
+ echo '<select name="yaxis">';
|
|
|
+ echo '<option value="">---</option>';
|
|
|
+ foreach ($questions as $key=>$question)
|
|
|
+ {
|
|
|
+ if (in_array($question['type'], $allowed_question_types))
|
|
|
+ {
|
|
|
+ echo '<option value="'.$question['question_id'].'"';
|
|
|
+ if ($_GET['yaxis'] == $question['question_id'])
|
|
|
+ {
|
|
|
+ echo ' selected="selected"';
|
|
|
+ }
|
|
|
+ echo '">'.substr(strip_tags($question['question']), 0, 50).'</option>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo '</select><br /><br />';
|
|
|
+ echo '<input type="submit" name="Submit" value="Submit" />';
|
|
|
+ echo '</form>';
|
|
|
+
|
|
|
+ // getting all the information of the x axis
|
|
|
+ if (isset($_GET['xaxis']) AND is_numeric($_GET['xaxis']))
|
|
|
+ {
|
|
|
+ $question_x = survey_manager::get_question($_GET['xaxis']);
|
|
|
+ }
|
|
|
+
|
|
|
+ // getting all the information of the y axis
|
|
|
+ if (isset($_GET['yaxis']) AND is_numeric($_GET['yaxis']))
|
|
|
+ {
|
|
|
+ $question_y = survey_manager::get_question($_GET['yaxis']);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isset($_GET['xaxis']) AND is_numeric($_GET['xaxis']) AND isset($_GET['yaxis']) AND is_numeric($_GET['yaxis']))
|
|
|
+ {
|
|
|
+ // getting the answers of the two questions
|
|
|
+ $answers_x = SurveyUtil::get_answers_of_question_by_user($_GET['survey_id'], $_GET['xaxis']);
|
|
|
+ $answers_y = SurveyUtil::get_answers_of_question_by_user($_GET['survey_id'], $_GET['yaxis']);
|
|
|
+
|
|
|
+ // displaying the table
|
|
|
+ echo '<table border="1" class="data_table">';
|
|
|
+
|
|
|
+ // the header
|
|
|
+ echo ' <tr>';
|
|
|
+ for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
|
+ {
|
|
|
+ if ($ii == 0)
|
|
|
+ {
|
|
|
+ echo ' <th> </th>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if ($question_x['type']=='score')
|
|
|
+ {
|
|
|
+ for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_x['answers'][($ii-1)].'<br />'.$x.'</th>';
|
|
|
+ }
|
|
|
+ $x='';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_x['answers'][($ii-1)].'</th>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo ' </tr>';
|
|
|
+
|
|
|
+ // the main part
|
|
|
+ for ($ij=0; $ij<count($question_y['answers']); $ij++)
|
|
|
+ {
|
|
|
+ // The Y axis is a scoring question type so we have more rows than the options (actually options * maximum score)
|
|
|
+ if ($question_y['type'] == 'score')
|
|
|
+ {
|
|
|
+ for($y=1; $y<=$question_y['maximum_score']; $y++)
|
|
|
+ {
|
|
|
+ echo ' <tr>';
|
|
|
+ for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
|
+ {
|
|
|
+ if ($question_x['type']=='score')
|
|
|
+ {
|
|
|
+ for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
|
+ {
|
|
|
+ if ($ii == 0)
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_y['answers'][($ij)].' '.$y.'</th>';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <td align="center">';
|
|
|
+ echo SurveyUtil::comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], $x, $y);
|
|
|
+ echo '</td>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if ($ii == 0)
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_y['answers'][($ij)].' '.$y.'</th>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <td align="center">';
|
|
|
+ echo SurveyUtil::comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], 0, $y);
|
|
|
+ echo '</td>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo ' </tr>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // The Y axis is NOT a score question type so the number of rows = the number of options
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <tr>';
|
|
|
+ for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
|
+ {
|
|
|
+ if ($question_x['type']=='score')
|
|
|
+ {
|
|
|
+ for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
|
+ {
|
|
|
+ if ($ii == 0)
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_y['answers'][($ij)].'</th>';
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <td align="center">';
|
|
|
+ echo SurveyUtil::comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], $x, 0);
|
|
|
+ echo '</td>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if ($ii == 0)
|
|
|
+ {
|
|
|
+ echo ' <th>'.$question_y['answers'][($ij)].'</th>';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ echo ' <td align="center">';
|
|
|
+ echo SurveyUtil::comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)]);
|
|
|
+ echo '</td>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo ' </tr>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ echo '</table>';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get all the answers of a question grouped by user
|
|
|
+ *
|
|
|
+ * @param integer Survey ID
|
|
|
+ * @param integer Question ID
|
|
|
+ * @return Array Array containing all answers of all users, grouped by user
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007 - Updated March 2008
|
|
|
+ */
|
|
|
+ function get_answers_of_question_by_user($survey_id, $question_id)
|
|
|
+ {
|
|
|
+ // Database table definitions
|
|
|
+ $table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
+ $table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
+ $table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
+
|
|
|
+ $sql = "SELECT * FROM $table_survey_answer
|
|
|
+ WHERE survey_id='".Database::escape_string($survey_id)."'
|
|
|
+ AND question_id='".Database::escape_string($question_id)."'
|
|
|
+ ORDER BY USER ASC";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ if ($row['value'] == 0)
|
|
|
+ {
|
|
|
+ $return[$row['user']][] = $row['option_id'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $return[$row['user']][] = $row['option_id'].'*'.$row['value'];
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Count the number of users who answer positively on both options
|
|
|
+ *
|
|
|
+ * @param array All answers of the x axis
|
|
|
+ * @param array All answers of the y axis
|
|
|
+ * @param integer x axis value (= the option_id of the first question)
|
|
|
+ * @param integer y axis value (= the option_id of the second question)
|
|
|
+ * @return integer Number of users who have answered positively to both options
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version February 2007
|
|
|
+ */
|
|
|
+ function comparative_check($answers_x, $answers_y, $option_x, $option_y, $value_x=0, $value_y=0)
|
|
|
+ {
|
|
|
+ if ($value_x==0)
|
|
|
+ {
|
|
|
+ $check_x = $option_x;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $check_x = $option_x.'*'.$value_x;
|
|
|
+ }
|
|
|
+ if ($value_y==0)
|
|
|
+ {
|
|
|
+ $check_y = $option_y;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $check_y = $option_y.'*'.$value_y;
|
|
|
+ }
|
|
|
|
|
|
- // getting the information of the question
|
|
|
- $sql = "SELECT * FROM $tbl_survey_question WHERE survey_id='".Database::escape_string($survey_id)."' ORDER BY sort ASC";
|
|
|
- $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
- $total = Database::num_rows($result);
|
|
|
- $counter=1;
|
|
|
- $error = false;
|
|
|
- while ($row = Database::fetch_array($result,'ASSOC'))
|
|
|
+ $counter = 0;
|
|
|
+ foreach ($answers_x as $user => $answers)
|
|
|
+ {
|
|
|
+ // check if the user has given $option_x as answer
|
|
|
+ if (in_array($check_x, $answers))
|
|
|
+ {
|
|
|
+ // check if the user has given $option_y as an answer
|
|
|
+ if (in_array($check_y, $answers_y[$user]))
|
|
|
+ {
|
|
|
+ $counter++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $counter;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get all the information about the invitations of a certain survey
|
|
|
+ *
|
|
|
+ * @return array Lines of invitation [user, code, date, empty element]
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ *
|
|
|
+ * @todo use survey_id parameter instead of $_GET
|
|
|
+ */
|
|
|
+ function get_survey_invitations_data()
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+ $table_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
|
+
|
|
|
+ $sql = "SELECT
|
|
|
+ survey_invitation.user as col1,
|
|
|
+ survey_invitation.invitation_code as col2,
|
|
|
+ survey_invitation.invitation_date as col3,
|
|
|
+ '' as col4
|
|
|
+ FROM $table_survey_invitation survey_invitation
|
|
|
+ LEFT JOIN $table_user user ON survey_invitation.user = user.user_id
|
|
|
+ WHERE survey_invitation.survey_id = '".Database::escape_string($_GET['survey_id'])."'";
|
|
|
+ $res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($res))
|
|
|
+ {
|
|
|
+ $survey_invitation_data[] = $row;
|
|
|
+ }
|
|
|
+ return $survey_invitation_data;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get the total number of survey invitations for a given survey (through $_GET['survey_id'])
|
|
|
+ *
|
|
|
+ * @return integer Total number of survey invitations
|
|
|
+ *
|
|
|
+ * @todo use survey_id parameter instead of $_GET
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function get_number_of_survey_invitations()
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+
|
|
|
+ $sql = "SELECT count(user) AS total FROM $table_survey_invitation WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'";
|
|
|
+ $res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $row = mysql_fetch_assoc($res);
|
|
|
+ return $row['total'];
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Save the invitation mail
|
|
|
+ *
|
|
|
+ * @param string Text of the e-mail
|
|
|
+ * @param integer Whether the mail contents are for invite mail (0, default) or reminder mail (1)
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function save_invite_mail($mailtext, $reminder=0)
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
|
+
|
|
|
+ // reminder or not
|
|
|
+ if ($reminder == 0)
|
|
|
+ {
|
|
|
+ $mail_field = 'invite_mail';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $mail_field = 'reminder_mail';
|
|
|
+ }
|
|
|
+
|
|
|
+ $sql = "UPDATE $table_survey SET $mail_field = '".Database::escape_string($mailtext)."' WHERE survey_id = '".Database::escape_string($_GET['survey_id'])."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function saves all the invitations of course users and additional users in the
|
|
|
+ *
|
|
|
+ * @param array Users array
|
|
|
+ * @param string Title of the invitation, used as the title of the mail
|
|
|
+ * @param string Text of the invitation, used as the text of the mail.
|
|
|
+ * The text has to contain a **link** string or this will automatically be added to the end
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ *
|
|
|
+ * @todo create the survey link
|
|
|
+ */
|
|
|
+ function save_invitations($users_array, $invitation_title, $invitation_text, $reminder=0)
|
|
|
+ {
|
|
|
+ global $_user;
|
|
|
+ global $_course;
|
|
|
+ global $_configuration;
|
|
|
+
|
|
|
+ // getting the survey information
|
|
|
+ $survey_data = survey_manager::get_survey($_GET['survey_id']);
|
|
|
+
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+ $table_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
|
+
|
|
|
+ $already_invited = array();
|
|
|
+ $survey_invitations = array();
|
|
|
+ // get the people who are already invited
|
|
|
+ if ($reminder == 1)
|
|
|
+ {
|
|
|
+ $survey_invitations = SurveyUtil::get_invitations($survey_data['survey_code']);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $already_invited = SurveyUtil::get_invited_users($survey_data['code']);
|
|
|
+ }
|
|
|
+
|
|
|
+ $counter = 0;
|
|
|
+ if (is_array($users_array))
|
|
|
+ {
|
|
|
+ foreach ($users_array as $key=>$value)
|
|
|
+ {
|
|
|
+ if(isset($value))
|
|
|
+ {
|
|
|
+ // generating the unique code
|
|
|
+ if(is_array($survey_invitations))
|
|
|
+ {
|
|
|
+ if ($reminder == 1 AND array_key_exists($value,$survey_invitations))
|
|
|
+ {
|
|
|
+ $invitation_code = $survey_invitations[$value]['invitation_code'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $invitation_code = md5($value.microtime());
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $survey_link = '';
|
|
|
+ $full_invitation_text= '';
|
|
|
+
|
|
|
+ // storing the invitation (only if the user_id is not in $already_invited['course_users'] OR email is not in $already_invited['additional_users']
|
|
|
+ $add_users_array = explode(';',$already_invited['additional_users']);
|
|
|
+ if ((is_numeric($value) AND !in_array($value,$already_invited['course_users'])) OR (!is_numeric($value) AND !in_array($value,$add_users_array)))
|
|
|
+ {
|
|
|
+ if(is_array($survey_invitations))
|
|
|
+ {
|
|
|
+ if (!array_key_exists($value,$survey_invitations))
|
|
|
+ {
|
|
|
+ $sql = "INSERT INTO $table_survey_invitation (user, survey_code, invitation_code, invitation_date) VALUES
|
|
|
+ ('".Database::escape_string($value)."','".Database::escape_string($survey_data['code'])."','".Database::escape_string($invitation_code)."','".Database::escape_string(date('Y-m-d H:i:s'))."')";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // replacing the **link** part with a valid link for the user
|
|
|
+ $survey_link = $_configuration['root_web'].$_configuration['code_append'].'survey/'.'fillsurvey.php?course='.$_course['sysCode'].'&invitationcode='.$invitation_code;
|
|
|
+ $text_link = '<a href="'.$survey_link.'">'.get_lang('ClickHereToAnswerTheSurvey')."</a><br />\r\n<br />\r\n".get_lang('OrCopyPasteTheFollowingUrl')." <br />\r\n ".$survey_link;
|
|
|
+
|
|
|
+ $replace_count = 0;
|
|
|
+ $full_invitation_text = str_ireplace('**link**', $text_link ,$invitation_text, $replace_count);
|
|
|
+ if ($replace_count < 1)
|
|
|
+ {
|
|
|
+ $full_invitation_text = $full_invitation_text . "<br />\r\n<br />\r\n".$text_link;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ // optionally: finding the e-mail of the course user
|
|
|
+ if (is_numeric($value))
|
|
|
+ {
|
|
|
+ $sql = "SELECT firstname, lastname, email FROM $table_user WHERE user_id='".Database::escape_string($value)."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $row = Database::fetch_array($result);
|
|
|
+ $recipient_email = $row['email'];
|
|
|
+ $recipient_name = $row['firstname'].' '.$row['lastname'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ /** @todo check if the $value is a valid email */
|
|
|
+ $recipient_email = $value;
|
|
|
+ }
|
|
|
+
|
|
|
+ // sending the mail
|
|
|
+ $sender_name = $_user['firstName'].' '.$_user['lastName'];
|
|
|
+ $sender_email = $_user['mail'];
|
|
|
+
|
|
|
+ $replyto = array();
|
|
|
+ if(api_get_setting('survey_email_sender_noreply')=='noreply')
|
|
|
+ {
|
|
|
+ $noreply = api_get_setting('noreply_email_address');
|
|
|
+ if(!empty($noreply))
|
|
|
+ {
|
|
|
+ $replyto['Reply-to'] = $noreply;
|
|
|
+ $sender_name = $noreply;
|
|
|
+ $sender_email = $noreply;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ api_mail_html($recipient_name, $recipient_email, $invitation_title, $full_invitation_text, $sender_name, $sender_email, $replyto);
|
|
|
+ //mail($recipient_email, strip_tags($invitation_title), strip_tags($invitation_text));
|
|
|
+ $counter++;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return $counter;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function recalculates the number of users who have been invited and updates the survey table with this value.
|
|
|
+ *
|
|
|
+ * @param string Survey code
|
|
|
+ * @return void
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function update_count_invited($survey_code)
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+ $table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
|
+
|
|
|
+ // counting the number of people that are invited
|
|
|
+ $sql = "SELECT count(user) as total FROM $table_survey_invitation WHERE survey_code = '".Database::escape_string($survey_code)."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $row = Database::fetch_array($result);
|
|
|
+ $total_invited = $row['total'];
|
|
|
+
|
|
|
+ // updating the field in the survey table
|
|
|
+ $sql = "UPDATE $table_survey SET invited = '".Database::escape_string($total_invited)."' WHERE code = '".Database::escape_string($survey_code)."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function gets all the invited users for a given survey code.
|
|
|
+ *
|
|
|
+ * @param string Survey code
|
|
|
+ * @return array Array containing the course users and additional users (non course users)
|
|
|
+ *
|
|
|
+ * @todo consider making $defaults['additional_users'] also an array
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function get_invited_users($survey_code)
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+
|
|
|
+ // Selecting all the invitations of this survey
|
|
|
+ $sql = "SELECT user FROM $table_survey_invitation WHERE survey_code='".Database::escape_string($survey_code)."'";
|
|
|
+
|
|
|
+ $defaults = array();
|
|
|
+ $defaults['course_users'] = array();
|
|
|
+ $defaults['additional_users'] = '';
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ if (is_numeric($row['user']))
|
|
|
+ {
|
|
|
+ $defaults['course_users'][] = $row['user'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ if (empty($defaults['additional_users']))
|
|
|
+ {
|
|
|
+ $defaults['additional_users'] = $row['user'];
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $defaults['additional_users'] .= ';'.$row['user'];
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $defaults;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get all the invitations
|
|
|
+ *
|
|
|
+ * @param string Survey code
|
|
|
+ * @return array Database rows matching the survey code
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version September 2007
|
|
|
+ */
|
|
|
+ function get_invitations($survey_code)
|
|
|
+ {
|
|
|
+ // Database table definition
|
|
|
+ $table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
+
|
|
|
+ $sql = "SELECT * FROM $table_survey_invitation WHERE survey_code = '".Database::escape_string($survey_code)."'";
|
|
|
+ $result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $return = array();
|
|
|
+ while ($row = Database::fetch_array($result))
|
|
|
+ {
|
|
|
+ $return[$row['user']] = $row;
|
|
|
+ }
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * This function displays the form for searching a survey
|
|
|
+ *
|
|
|
+ * @return void (direct output)
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ *
|
|
|
+ * @todo use quickforms
|
|
|
+ * @todo consider moving this to surveymanager.inc.lib.php
|
|
|
+ */
|
|
|
+ function display_survey_search_form()
|
|
|
+ {
|
|
|
+ echo '<form method="get" action="survey_list.php?search=advanced">';
|
|
|
+ echo '<table>
|
|
|
+ <tr>
|
|
|
+ <td>'.get_lang('Title').'</td>
|
|
|
+ <td><input type="text" name="keyword_title"/></td>
|
|
|
+ </tr>
|
|
|
+ <tr>
|
|
|
+ <td>'.get_lang('Code').'</td>
|
|
|
+ <td><input type="text" name="keyword_code"/></td>
|
|
|
+ </tr>
|
|
|
+ <tr>
|
|
|
+ <td>'.get_lang('Language').'</td>
|
|
|
+ <td>
|
|
|
+ <select name="keyword_language"><option value="%">'.get_lang('All').'</option>';
|
|
|
+ $languages = api_get_languages();
|
|
|
+ foreach ($languages['name'] as $index => $name)
|
|
|
+ {
|
|
|
+ echo '<option value="'.$languages['folder'][$index].'">'.$name.'</option>';
|
|
|
+ }
|
|
|
+ echo ' </select>
|
|
|
+ </td>
|
|
|
+ </tr>
|
|
|
+ <tr>
|
|
|
+ <td> </td>
|
|
|
+ <td><input type="submit" name="do_search" value="'.get_lang('Ok').'"/></td>
|
|
|
+ </tr>
|
|
|
+ </table>
|
|
|
+ </form>';
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function displays the sortable table with all the surveys
|
|
|
+ *
|
|
|
+ * @return void (direct output)
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function display_survey_list()
|
|
|
+ {
|
|
|
+ $parameters = array();
|
|
|
+ if ($_GET['do_search'])
|
|
|
+ {
|
|
|
+ $message = get_lang('DisplaySearchResults').'<br />';
|
|
|
+ $message .= '<a href="'.api_get_self().'">'.get_lang('DisplayAll').'</a>';
|
|
|
+ Display::display_normal_message($message, false);
|
|
|
+ }
|
|
|
+
|
|
|
+ // Create a sortable table with survey-data
|
|
|
+ $table = new SortableTable('surveys', 'get_number_of_surveys', 'get_survey_data',2);
|
|
|
+ $table->set_additional_parameters($parameters);
|
|
|
+ $table->set_header(0, '', false);
|
|
|
+ $table->set_header(1, get_lang('SurveyName'));
|
|
|
+ $table->set_header(2, get_lang('SurveyCode'));
|
|
|
+ $table->set_header(3, get_lang('NumberOfQuestions'));
|
|
|
+ $table->set_header(4, get_lang('Author'));
|
|
|
+ $table->set_header(5, get_lang('Language'));
|
|
|
+ $table->set_header(6, get_lang('Shared'));
|
|
|
+ $table->set_header(7, get_lang('AvailableFrom'));
|
|
|
+ $table->set_header(8, get_lang('AvailableUntill'));
|
|
|
+ $table->set_header(9, get_lang('Invite'));
|
|
|
+ $table->set_header(10, get_lang('Anonymous'));
|
|
|
+ $table->set_header(11, get_lang('Modify'), false);
|
|
|
+ $table->set_column_filter(10, 'anonymous_filter');
|
|
|
+ $table->set_column_filter(11, 'modify_filter');
|
|
|
+ $table->set_form_actions(array ('delete' => get_lang('DeleteSurvey')));
|
|
|
+ $table->display();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function changes the modify column of the sortable table
|
|
|
+ *
|
|
|
+ * @param integer $survey_id the id of the survey
|
|
|
+ * @return html code that are the actions that can be performed on any survey
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function modify_filter($survey_id)
|
|
|
+ {
|
|
|
+ global $charset;
|
|
|
+ $survey_id = Security::remove_XSS($survey_id);
|
|
|
+ $return = '<a href="create_new_survey.php?'.api_get_cidreq().'&action=edit&survey_id='.$survey_id.'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a>';
|
|
|
+ $return .= '<a href="survey_list.php?'.api_get_cidreq().'&action=delete&survey_id='.$survey_id.'" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("DeleteSurvey").'?',ENT_QUOTES,$charset)).'\')) return false;">'.Display::return_icon('delete.gif', get_lang('Delete')).'</a>';
|
|
|
+ //$return .= '<a href="create_survey_in_another_language.php?id_survey='.$survey_id.'">'.Display::return_icon('copy.gif', get_lang('Copy')).'</a>';
|
|
|
+ //$return .= '<a href="survey.php?survey_id='.$survey_id.'">'.Display::return_icon('add.gif', get_lang('Add')).'</a>';
|
|
|
+ $return .= '<a href="preview.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('preview.gif', get_lang('Preview')).'</a>';
|
|
|
+ $return .= '<a href="survey_invite.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('survey_publish.gif', get_lang('Publish')).'</a>';
|
|
|
+ $return .= '<a href="survey_list.php?'.api_get_cidreq().'&action=empty&survey_id='.$survey_id.'" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("EmptySurvey").'?')).'\')) return false;">'.Display::return_icon('empty.gif', get_lang('EmptySurvey')).'</a>';
|
|
|
+ $return .= '<a href="reporting.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('statistics.gif', get_lang('Reporting')).'</a>';
|
|
|
+ return $return;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Returns "yes" when given parameter is one, "no" for any other value
|
|
|
+ * @param integer Whether anonymous or not
|
|
|
+ * @return string "Yes" or "No" in the current language
|
|
|
+ */
|
|
|
+ function anonymous_filter($anonymous)
|
|
|
+ {
|
|
|
+ if ($anonymous == 1)
|
|
|
+ {
|
|
|
+ return get_lang('Yes');
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ return get_lang('No');
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This function handles the search restriction for the SQL statements
|
|
|
+ *
|
|
|
+ * @return string Part of a SQL statement or false on error
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function survey_search_restriction()
|
|
|
{
|
|
|
- if ($counter == 1 AND $row['type'] == 'pagebreak')
|
|
|
+ if ($_GET['do_search'])
|
|
|
+ {
|
|
|
+ if ($_GET['keyword_title']<>'')
|
|
|
+ {
|
|
|
+ $search_term[] = 'title =\''.Database::escape_string($_GET['keyword_title']).'\'';
|
|
|
+ }
|
|
|
+ if ($_GET['keyword_code']<>'')
|
|
|
+ {
|
|
|
+ $search_term[] = 'code =\''.Database::escape_string($_GET['keyword_code']).'\'';
|
|
|
+ }
|
|
|
+ if ($_GET['keyword_language']<>'%')
|
|
|
+ {
|
|
|
+ $search_term[] = 'lang =\''.Database::escape_string($_GET['keyword_language']).'\'';
|
|
|
+ }
|
|
|
+
|
|
|
+ $search_restriction = implode(' AND ', $search_term);
|
|
|
+ return $search_restriction;
|
|
|
+ }
|
|
|
+ else
|
|
|
{
|
|
|
- Display::display_error_message(get_lang('PagebreakNotFirst'), false);
|
|
|
- $error = true;
|
|
|
+ return false;
|
|
|
}
|
|
|
- if ($counter == $total AND $row['type'] == 'pagebreak')
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * This function calculates the total number of surveys
|
|
|
+ *
|
|
|
+ * @return integer Total number of surveys
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function get_number_of_surveys()
|
|
|
+ {
|
|
|
+ global $table_survey;
|
|
|
+
|
|
|
+ $search_restriction = SurveyUtil::survey_search_restriction();
|
|
|
+ if ($search_restriction)
|
|
|
{
|
|
|
- Display::display_error_message(get_lang('PagebreakNotLast'), false);
|
|
|
- $error = true;
|
|
|
- }
|
|
|
- $counter++;
|
|
|
+ $search_restriction = 'WHERE '.$search_restriction;
|
|
|
+ }
|
|
|
+
|
|
|
+ $sql = "SELECT count(survey_id) AS total_number_of_items FROM ".$table_survey.' '.$search_restriction;
|
|
|
+ $res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $obj = Database::fetch_object($res);
|
|
|
+ return $obj->total_number_of_items;
|
|
|
+
|
|
|
}
|
|
|
|
|
|
- if (!$continue AND $error)
|
|
|
+ /**
|
|
|
+ * This function gets all the survey data that is to be displayed in the sortable table
|
|
|
+ *
|
|
|
+ * @param unknown_type $from
|
|
|
+ * @param unknown_type $number_of_items
|
|
|
+ * @param unknown_type $column
|
|
|
+ * @param unknown_type $direction
|
|
|
+ * @return unknown
|
|
|
+ *
|
|
|
+ * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
|
+ * @version January 2007
|
|
|
+ */
|
|
|
+ function get_survey_data($from, $number_of_items, $column, $direction)
|
|
|
{
|
|
|
- Display::display_footer();
|
|
|
- exit;
|
|
|
+ global $table_survey;
|
|
|
+ global $table_user;
|
|
|
+ global $table_survey_question;
|
|
|
+
|
|
|
+ // searching
|
|
|
+ $search_restriction = SurveyUtil::survey_search_restriction();
|
|
|
+ if ($search_restriction)
|
|
|
+ {
|
|
|
+ $search_restriction = ' AND '.$search_restriction;
|
|
|
+ }
|
|
|
+ $sql = "SELECT
|
|
|
+ survey.survey_id AS col0,
|
|
|
+ CONCAT('<a href=\"survey.php?survey_id=',survey.survey_id,'\">',survey.title,'</a>') AS col1,
|
|
|
+ survey.code AS col2,
|
|
|
+ count(survey_question.question_id) AS col3,
|
|
|
+ CONCAT(user.firstname, ' ', user.lastname) AS col4,
|
|
|
+ survey.lang AS col5,
|
|
|
+ IF(is_shared<>0,'V','-') AS col6,
|
|
|
+ survey.avail_from AS col7,
|
|
|
+ survey.avail_till AS col8,
|
|
|
+ CONCAT('<a href=\"survey_invitation.php?view=answered&survey_id=',survey.survey_id,'\">',survey.answered,'</a> / <a href=\"survey_invitation.php?view=invited&survey_id=',survey.survey_id,'\">',survey.invited, '</a>') AS col9,
|
|
|
+ survey.anonymous AS col10,
|
|
|
+ survey.survey_id AS col11
|
|
|
+ FROM $table_survey survey
|
|
|
+ LEFT JOIN $table_survey_question survey_question ON survey.survey_id = survey_question.survey_id
|
|
|
+ , $table_user user
|
|
|
+ WHERE survey.author = user.user_id
|
|
|
+ $search_restriction
|
|
|
+ ";
|
|
|
+ $sql .= " GROUP BY survey.survey_id";
|
|
|
+ $sql .= " ORDER BY col$column $direction ";
|
|
|
+ $sql .= " LIMIT $from,$number_of_items";
|
|
|
+ $res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
+ $surveys = array ();
|
|
|
+ while ($survey = Database::fetch_array($res))
|
|
|
+ {
|
|
|
+ $surveys[] = $survey;
|
|
|
+ }
|
|
|
+ return $surveys;
|
|
|
}
|
|
|
}
|
|
|
?>
|