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@ -336,7 +336,7 @@ class Tracking { |
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$session_id = intval($session_id); |
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$condition_session = " AND session_id = $session_id "; |
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} |
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$sql = "SELECT count(id) FROM $tbl_course_quiz WHERE active <> -1 $condition_quiz $condition_session"; |
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$sql = "SELECT count(id) FROM $tbl_course_quiz WHERE active <> -1 $condition_quiz "; |
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$count_quiz = Database::fetch_row(Database::query($sql)); |
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$quiz_avg_total_score = 0; |
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@ -349,17 +349,17 @@ class Tracking { |
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} |
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$sql = "SELECT SUM(exe_result/exe_weighting*100) as avg_score, COUNT(*) as num_attempts |
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FROM $tbl_stats_exercise |
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WHERE exe_exo_id IN (SELECT id FROM $tbl_course_quiz WHERE active <> -1 $condition_quiz $condition_session) |
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WHERE exe_exo_id IN (SELECT id FROM $tbl_course_quiz WHERE active <> -1 $condition_quiz) |
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$condition_user |
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AND orig_lp_id = 0 |
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AND exe_cours_id = '$course_code' |
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AND orig_lp_item_id = 0 |
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AND orig_lp_item_id = 0 $condition_session |
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ORDER BY exe_date DESC"; |
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$res = Database::query($sql); |
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$row = Database::fetch_array($res); |
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$quiz_avg_score = 0; |
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if (!empty($row['avg_score'])) { |
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$quiz_avg_score = round($row['avg_score'],2); |
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$quiz_avg_score = round($row['avg_score'],1); |
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} |
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if(!empty($row['num_attempts'])) { |
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$quiz_avg_score = $quiz_avg_score / $row['num_attempts']; |
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@ -511,60 +511,66 @@ class Tracking { |
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*/ |
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public static function get_avg_student_score($student_id, $course_code, $lp_ids=array(), $session_id = null, $return_array = false) { |
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// get global tables names |
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$course_table = Database :: get_main_table(TABLE_MAIN_COURSE); |
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$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER); |
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$table_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER); |
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$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); |
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$tbl_stats_attempts = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); |
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// get global tables names |
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$course_table = Database :: get_main_table(TABLE_MAIN_COURSE); |
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$course_user_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER); |
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$table_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER); |
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$tbl_stats_exercices = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES); |
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$tbl_stats_attempts = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT); |
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$course = CourseManager :: get_course_information($course_code); |
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$course = CourseManager :: get_course_information($course_code); |
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if (!empty($course['db_name'])) { |
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if (!empty($course['db_name'])) { |
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// get course tables names |
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$tbl_quiz_questions = Database :: get_course_table(TABLE_QUIZ_QUESTION,$course['db_name']); |
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$lp_table = Database :: get_course_table(TABLE_LP_MAIN,$course['db_name']); |
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$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course['db_name']); |
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$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course['db_name']); |
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$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course['db_name']); |
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$tbl_quiz_questions = Database :: get_course_table(TABLE_QUIZ_QUESTION,$course['db_name']); |
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$lp_table = Database :: get_course_table(TABLE_LP_MAIN,$course['db_name']); |
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$lp_item_table = Database :: get_course_table(TABLE_LP_ITEM,$course['db_name']); |
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$lp_view_table = Database :: get_course_table(TABLE_LP_VIEW,$course['db_name']); |
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$lp_item_view_table = Database :: get_course_table(TABLE_LP_ITEM_VIEW,$course['db_name']); |
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// Compose a filter based on optional learning paths list given |
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// Compose a filter based on optional learning paths list given |
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$condition_lp = ""; |
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if(count($lp_ids) > 0) { |
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$condition_lp =" WHERE id IN(".implode(',',$lp_ids).") "; |
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} |
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$condition_lp = ""; |
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if(count($lp_ids) > 0) { |
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$condition_lp =" AND id IN(".implode(',',$lp_ids).") "; |
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} |
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// Compose a filter based on optional session id |
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$condition_session = ""; |
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if (isset($session_id)) { |
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$session_id = intval($session_id); |
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if (count($lp_ids) > 0) { |
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$condition_session = " AND session_id = $session_id "; |
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} else { |
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$condition_session = " WHERE session_id = $session_id "; |
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} |
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} |
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// Compose a filter based on optional session id |
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$condition_session = ""; |
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if (isset($session_id)) { |
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$session_id = intval($session_id); |
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if (count($lp_ids) > 0) { |
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$condition_session = " AND session_id = $session_id "; |
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} else { |
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$condition_session = " WHERE session_id = $session_id "; |
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} |
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} |
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// Check the real number of LPs corresponding to the filter in the |
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// database (and if no list was given, get them all) |
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//$res_row_lp = Database::query("SELECT DISTINCT(id) FROM $lp_table $condition_lp $condition_session"); |
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$res_row_lp = Database::query("SELECT DISTINCT(id) FROM $lp_table $condition_lp"); |
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$count_row_lp = Database::num_rows($res_row_lp); |
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$lp_list = array(); |
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while ($row_lp = Database::fetch_array($res_row_lp)) { |
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$lp_list[] = $row_lp[0]; |
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} |
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if (empty($session_id)) { |
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$sql = "SELECT DISTINCT(id) FROM $lp_table WHERE session_id = 0 $condition_lp "; |
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} else { |
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$sql = "SELECT DISTINCT(id) FROM $lp_table WHERE 1 $condition_lp "; |
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} |
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$res_row_lp = Database::query($sql); |
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$count_row_lp = Database::num_rows($res_row_lp); |
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$lp_list = array(); |
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while ($row_lp = Database::fetch_array($res_row_lp)) { |
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$lp_list[] = $row_lp[0]; |
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} |
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// Init local variables that will be used through the calculation |
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$lp_scorm_score_total = 0; |
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$lp_scorm_result_score_total = 0; |
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// Init local variables that will be used through the calculation |
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$lp_scorm_score_total = 0; |
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$lp_scorm_result_score_total = 0; |
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$lp_scorm_loop=0; |
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$lp_count = 0; |
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$progress = 0; |
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$lp_scorm_loop=0; |
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$lp_count = 0; |
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$progress = 0; |
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// prepare filter on users |
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// prepare filter on users |
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$condition_user1 = ""; |
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if (is_array($student_id)) { |
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array_walk($student_id,'intval'); |
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@ -572,168 +578,157 @@ class Tracking { |
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} else { |
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$condition_user1 =" AND user_id = '$student_id' "; |
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} |
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//var_dump($student_id); |
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if ($count_row_lp>0 && !empty($student_id)) { |
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// Getting the total count of LP |
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//$sql = "SELECT count(id) as count FROM $lp_table WHERE session_id = ".$session_id; |
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$sql = "SELECT count(id) as count FROM $lp_table "; |
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$my_res = Database::query($sql); |
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$my_row = Database::fetch_array($my_res); |
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$count_views = $my_row['count']; |
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$rs_last_lp_view_id = Database::query($sql); |
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// Get all views through learning paths filter |
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$sql = "SELECT MAX(view_count) as vc, id, progress, lp_id, user_id ". |
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"FROM $lp_view_table ". |
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"WHERE lp_id IN (".implode(',',$lp_list).") ". |
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"$condition_user1 AND session_id= $session_id GROUP BY lp_id,user_id"; |
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$rs_last_lp_view_id = Database::query($sql); |
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$global_count_item = 0; |
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$real_count_views = 0 ; |
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$global_result = 0; |
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if (Database::num_rows($rs_last_lp_view_id) > 0) { |
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// Cycle through each line of the results (grouped by lp_id, user_id) |
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while ($row_lp_view = Database::fetch_array($rs_last_lp_view_id)) { |
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$lp_view_id = $row_lp_view['id']; |
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$progress = $row_lp_view['progress']; |
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$lp_id = $row_lp_view['lp_id']; |
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$user_id = $row_lp_view['user_id']; |
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// For the currently analysed view, get the score and |
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// max_score of each item if it is a sco or a TOOL_QUIZ |
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$sql_max_score = "SELECT lp_iv.score as score,lp_i.max_score, lp_i.path, lp_i.item_type , lp_i.id as iid". |
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" FROM $lp_item_view_table as lp_iv ". |
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" INNER JOIN $lp_item_table as lp_i ". |
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" ON lp_i.id = lp_iv.lp_item_id ". |
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" AND (lp_i.item_type='sco' ". |
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" OR lp_i.item_type='".TOOL_QUIZ."') ". |
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" WHERE lp_view_id='$lp_view_id'"; |
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//echo $sql_max_score; echo '<br />'; |
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$res_max_score = Database::query($sql_max_score); |
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$count_total_loop = 0; |
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$num_rows_max_score = Database::num_rows($res_max_score); |
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// Go through each scorable element of this view |
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$count_items = 0; |
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$lp_partial_total = 0; |
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$score_of_scorm_calculate = 0; |
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while ($row_max_score = Database::fetch_array($res_max_score)) { |
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$max_score = $row_max_score['max_score']; |
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$score = $row_max_score['score']; |
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//var_dump($student_id); |
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if ($count_row_lp>0 && !empty($student_id)) { |
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// Get all views through learning paths filter |
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$sql = "SELECT MAX(view_count) as vc, id, progress, lp_id, user_id ". |
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"FROM $lp_view_table ". |
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"WHERE lp_id IN (".implode(',',$lp_list).") ". |
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"$condition_user1 AND session_id= $session_id GROUP BY lp_id,user_id"; |
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//var_dump( $sql ); |
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$rs_last_lp_view_id = Database::query($sql); |
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$global_count_item = 0; |
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$global_result = 0; |
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if (Database::num_rows($rs_last_lp_view_id) > 0) { |
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// Cycle through each line of the results (grouped by lp_id, user_id) |
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while ($row_lp_view = Database::fetch_array($rs_last_lp_view_id)) { |
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$lp_view_id = $row_lp_view['id']; |
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$progress = $row_lp_view['progress']; |
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$lp_id = $row_lp_view['lp_id']; |
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$user_id = $row_lp_view['user_id']; |
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// For the currently analysed view, get the score and |
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// max_score of each item if it is a sco or a TOOL_QUIZ |
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$sql_max_score = "SELECT lp_iv.score as score,lp_i.max_score, lp_i.path, lp_i.item_type , lp_i.id as iid". |
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" FROM $lp_item_view_table as lp_iv ". |
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" INNER JOIN $lp_item_table as lp_i ". |
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" ON lp_i.id = lp_iv.lp_item_id ". |
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" AND (lp_i.item_type='sco' ". |
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" OR lp_i.item_type='".TOOL_QUIZ."') ". |
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" WHERE lp_view_id='$lp_view_id'"; |
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//echo $sql_max_score; echo '<br />'; |
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$res_max_score = Database::query($sql_max_score); |
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$count_total_loop = 0; |
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$num_rows_max_score = Database::num_rows($res_max_score); |
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// Go through each scorable element of this view |
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$count_items = 0; |
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$lp_partial_total = 0; |
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$score_of_scorm_calculate = 0; |
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while ($row_max_score = Database::fetch_array($res_max_score,'ASSOC')) { |
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$max_score = $row_max_score['max_score']; |
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$score = $row_max_score['score']; |
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if ($row_max_score['item_type'] == 'sco') { |
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// Check if it is sco (easier to get max_score) |
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//when there's no max score, we assume 100 as the max score, as the SCORM 1.2 says that the value should always be between 0 and 100. |
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if ($max_score==0) { |
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$max_score = 100; |
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} |
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$lp_scorm_result_score_total += ($score/$max_score); |
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$lp_partial_total += ($score/$max_score); |
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$current_value = $score/$max_score; |
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//when there's no max score, we assume 100 as the max score, as the SCORM 1.2 says that the value should always be between 0 and 100. |
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if ($max_score==0) { |
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$max_score = 100; |
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} |
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$lp_scorm_result_score_total += $score/$max_score; |
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$lp_partial_total += $score/$max_score; |
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$current_value = $score/$max_score; |
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} else { |
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// Case of a TOOL_QUIZ element |
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$item_id = $row_max_score['iid']; |
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$item_path = $row_max_score['path']; |
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// Case of a TOOL_QUIZ element |
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$item_id = $row_max_score['iid']; |
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$item_path = $row_max_score['path']; |
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// Get last attempt to this exercise through |
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// the current lp for the current user |
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$sql_last_attempt = "SELECT exe_id FROM $tbl_stats_exercices ". |
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" WHERE exe_exo_id = '$item_path' ". |
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" AND exe_user_id = '$user_id' ". |
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// " AND orig_lp_id = '$lp_id' ". //lp_id is already defined by the item_id |
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" AND orig_lp_item_id = '$item_id' ". |
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" AND exe_cours_id = '$course_code' ". |
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" ORDER BY exe_date DESC limit 1"; |
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$result_last_attempt = Database::query($sql_last_attempt); |
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$num = Database :: num_rows($result_last_attempt); |
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if ($num > 0 ) { |
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" WHERE exe_exo_id = '$item_path' ". |
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" AND exe_user_id = '$user_id' ". |
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// " AND orig_lp_id = '$lp_id' ". //lp_id is already defined by the item_id |
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" AND orig_lp_item_id = '$item_id' ". |
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" AND exe_cours_id = '$course_code' AND session_id = $session_id". |
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" ORDER BY exe_date DESC limit 1"; |
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$result_last_attempt = Database::query($sql_last_attempt); |
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$num = Database :: num_rows($result_last_attempt); |
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if ($num > 0 ) { |
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$id_last_attempt = Database :: result($result_last_attempt, 0, 0); |
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// Within the last attempt number tracking, get the sum of |
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// the max_scores of all questions that it was |
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// made of (we need to make this call dynamic |
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// because of random questions selection) |
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$sql = "SELECT SUM(t.ponderation) as maxscore ". |
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" FROM ( SELECT distinct question_id, marks, ponderation ". |
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" FROM $tbl_stats_attempts AS at " . |
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" INNER JOIN $tbl_quiz_questions AS q ". |
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" ON (q.id = at.question_id) ". |
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" WHERE exe_id ='$id_last_attempt' ) AS t"; |
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$res_max_score_bis = Database::query($sql); |
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$row_max_score_bis = Database :: fetch_array($res_max_score_bis); |
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if (!empty($row_max_score_bis['maxscore'])) { |
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$max_score = $row_max_score_bis['maxscore']; |
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} |
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$lp_scorm_result_score_total += ($score/$max_score); |
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$lp_partial_total += ($score/$max_score); |
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//echo '<br>'; echo $lp_scorm_result_score_total.' - '."$score/$max_score"; echo '<br>'; |
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//echo $lp_scorm_result_score_total; |
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//var_dump($score,$max_score); |
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$current_value = $score/$max_score; |
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} else { |
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//$lp_scorm_result_score_total += 0; |
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} |
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} |
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$count_items++; |
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} //end while |
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$global_count_item +=$count_items; |
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//echo 'lp_view '.$lp_view_id.' - $count_items '.$count_items.' lp partiual '.$lp_partial_total.'- <br />'; |
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$score_of_scorm_calculate += $count_items?round((($lp_partial_total/$count_items)*100),2):0; |
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$global_result += $score_of_scorm_calculate; |
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$real_count_views++; |
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} // end while |
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/*echo '<br>$lp_scorm_result_score_total:'.($global_result); echo '<br>'; |
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echo ("lp score :".($score_of_scorm_calculate)); |
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echo '<br>'; */ |
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} |
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if ($real_count_views == 1) { |
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$count_views = 1; |
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} |
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// Within the last attempt number tracking, get the sum of |
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// the max_scores of all questions that it was |
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// made of (we need to make this call dynamic |
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// because of random questions selection) |
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$sql = "SELECT SUM(t.ponderation) as maxscore ". |
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" FROM ( SELECT distinct question_id, marks, ponderation ". |
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" FROM $tbl_stats_attempts AS at " . |
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" INNER JOIN $tbl_quiz_questions AS q ". |
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" ON (q.id = at.question_id) ". |
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" WHERE exe_id ='$id_last_attempt' ) AS t"; |
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$res_max_score_bis = Database::query($sql); |
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$row_max_score_bis = Database :: fetch_array($res_max_score_bis); |
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if (!empty($row_max_score_bis['maxscore'])) { |
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$max_score = $row_max_score_bis['maxscore']; |
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} |
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$lp_scorm_result_score_total += ($score/$max_score); |
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$lp_partial_total += ($score/$max_score); |
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//echo '<br>'; echo $lp_scorm_result_score_total.' - '."$score/$max_score"; echo '<br>'; |
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//echo $lp_scorm_result_score_total; |
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//var_dump($score,$max_score); |
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$current_value = $score/$max_score; |
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} else { |
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//$lp_scorm_result_score_total += 0; |
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} |
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} |
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$count_items++; |
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} //end while |
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$global_count_item +=$count_items; |
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//echo 'lp_view '.$lp_view_id.' - $count_items '.$count_items.' lp partiual '.$lp_partial_total.' <br />'; |
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$score_of_scorm_calculate += $count_items?(($lp_partial_total/$count_items)*100):0; |
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// var_dump($score_of_scorm_calculate); |
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$global_result += $score_of_scorm_calculate; |
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} // end while |
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/*echo '<br>$lp_scorm_result_score_total:'.($global_result); echo '<br>'; |
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echo ("lp score :".($score_of_scorm_calculate)); |
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echo '<br>';*/ |
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} |
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$lp_with_quiz = 0; |
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$total_lp = 0; |
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$lp_with_quiz = 0; |
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$total_lp = 0; |
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//var_dump($lp_list); |
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foreach($lp_list as $lp_id) { |
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//check if LP have a score |
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$sql = "SELECT count(id) as count FROM $lp_item_table |
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WHERE item_type = 'quiz' AND lp_id = ".$lp_id." "; |
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$result_have_quiz = Database::query($sql); |
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if (Database::num_rows($result_have_quiz) > 0 ) { |
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$row = Database::fetch_array($result_have_quiz,'ASSOC'); |
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if (is_numeric($row['count']) && $row['count'] != 0) { |
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$lp_with_quiz ++; |
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} |
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} |
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$total_lp ++; |
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} |
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//var_dump($lp_with_quiz); |
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if ($lp_with_quiz != 0 ) { |
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if (!$return_array) { |
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$score_of_scorm_calculate = round(($global_result/$lp_with_quiz),2); |
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return $score_of_scorm_calculate; |
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} else { |
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return array($global_result, $lp_with_quiz); |
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} |
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} else { |
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return '-'; |
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} |
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foreach($lp_list as $lp_id) { |
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//check if LP have a score |
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$sql = "SELECT count(id) as count FROM $lp_item_table |
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WHERE item_type = 'quiz' AND lp_id = ".$lp_id." "; |
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$result_have_quiz = Database::query($sql); |
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if (Database::num_rows($result_have_quiz) > 0 ) { |
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$row = Database::fetch_array($result_have_quiz,'ASSOC'); |
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if (is_numeric($row['count']) && $row['count'] != 0) { |
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$lp_with_quiz ++; |
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} |
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} |
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$total_lp ++; |
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} |
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//var_dump($lp_with_quiz); |
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if ($lp_with_quiz != 0 ) { |
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if (!$return_array) { |
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//var_dump($global_result,$lp_with_quiz ); |
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$score_of_scorm_calculate = round(($global_result/$lp_with_quiz),2); |
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return $score_of_scorm_calculate; |
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} else { |
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return array($global_result, $lp_with_quiz); |
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} |
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} else { |
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return '-'; |
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} |
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} |
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} |
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return null; |
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|
} |
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} |
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} |
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|
return null; |
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|
} |
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/** |
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Julio Montoya
15 years ago