Plugin: Positioning, fix fatal error + show progress instead of score.

main/exercise/exercise.class.php

@@ -8670,7 +8670,7 @@ class Exercise
      * @param int    $filterByResultDisabled
      * @param int    $filterByAttempt
      *
-     * @return string
+     * @return string|SortableTableFromArrayConfig
      */
     public static function exerciseGrid(
         $categoryId,

plugin/positioning/start.php

@@ -81,6 +81,9 @@ $table = Exercise::exerciseGrid(
     true
 );
 
+$exercisesToString = '';
+if (!empty($table)) {
+    if ($table instanceof SortableTableFromArrayConfig) {
         $table->headers = [];
         $table->set_header(0, get_lang('ExerciseName'), false);
         $table->set_header(1, get_lang('QuantityQuestions'), false);
@@ -94,6 +97,13 @@ foreach ($table->table_data as &$data) {
             ];
         }
 
+        $table->set_form_actions([]);
+        $exercisesToString = $table->return_table();
+    } else {
+        $exercisesToString = Display::return_message(get_lang('NoDataAvailable'), 'warning');
+    }
+}
+
 $initialData = $plugin->getInitialExercise($courseId, $sessionId);
 $users = CourseManager::get_user_list_from_course_code(api_get_course_id(), $sessionId);
 $radars = '';
@@ -108,15 +118,11 @@ if (!empty($users) && $initialData && $initialData['exercise_id']) {
     $initialExerciseTitle = $initialExercise->get_formated_title();
 }
 
-$table->set_form_actions([]);
-$exercises = $table->return_table();
-
 $template->assign(
     'positioning_introduction',
-    //Display::return_message(sprintf($plugin->get_lang('PositioningIntroduction'), $courseInfo['title']))
     Display::return_message($plugin->get_lang('PositioningIntroduction'))
 );
-$template->assign('grid', $exercises);
+$template->assign('table', $exercisesToString);
 $template->assign('radars', $radars);
 $template->assign('initial_exercise', $initialExerciseTitle);
 $template->assign('content', $template->fetch('positioning/view/start.tpl'));

plugin/positioning/start_student.php

@@ -46,7 +46,13 @@ if ($initialData) {
     }
 }
 
-$studentAverage = (int) Tracking::getAverageStudentScore($currentUserId, $courseCode, [], $sessionId);
+$studentAverage = Tracking::get_avg_student_progress(
+    $currentUserId,
+    $courseCode,
+    [],
+    $sessionId
+);
+
 $averageToUnlock = (int) $plugin->get('average_percentage_to_unlock_final_exercise');
 
 $finalExerciseTitle = '';

plugin/positioning/view/start.tpl

@@ -1,7 +1,7 @@
 
 {{ positioning_introduction }}
 
-{{ grid }}
+{{ table }}
 
 {% if radars %}
     <h4>{{ "InitialTest"| get_plugin_lang('Positioning') }}: {{ initial_exercise }}</h4>