Quiz: Get the first LP found matching the session ID - refs BT#17140

main/exercise/exercise.class.php

@@ -160,6 +160,7 @@ class Exercise
     {
         $table = Database::get_course_table(TABLE_QUIZ_TEST);
         $tableLpItem = Database::get_course_table(TABLE_LP_ITEM);
+        $tblLp = Database::get_course_table(TABLE_LP_MAIN);
 
         $id = (int) $id;
         if (empty($this->course_id)) {
@@ -218,12 +219,13 @@ class Exercise
                 $this->showPreviousButton = $object->show_previous_button == 1 ? true : false;
             }
 
-            $sql = "SELECT lp_id, max_score
-                    FROM $tableLpItem
+            $sql = "SELECT lpi.lp_id, lpi.max_score, lp.session_id
+                    FROM $tableLpItem lpi
+                    INNER JOIN $tblLp lp ON (lpi.lp_id = lp.iid AND lpi.c_id = lp.c_id)
                     WHERE
-                        c_id = {$this->course_id} AND
-                        item_type = '".TOOL_QUIZ."' AND
-                        path = '".$id."'";
+                        lpi.c_id = {$this->course_id} AND
+                        lpi.item_type = '".TOOL_QUIZ."' AND
+                        lpi.path = '$id'";
             $result = Database::query($sql);
 
             if (Database::num_rows($result) > 0) {
@@ -8327,7 +8329,7 @@ class Exercise
             $lpId = null;
             if (!empty($this->lpList)) {
                 // Taking only the first LP
-                $lpId = current($this->lpList);
+                $lpId = $this->getLpBySession($sessionId);
                 $lpId = $lpId['lp_id'];
             }
 
@@ -10225,4 +10227,28 @@ class Exercise
 
         return $group;
     }
+
+    /**
+     * Get the first LP found matching the session ID.
+     *
+     * @param int $sessionId
+     *
+     * @return array
+     */
+    public function getLpBySession($sessionId)
+    {
+        if (empty($this->lpList)) {
+            return [];
+        }
+
+        $sessionId = (int) $sessionId;
+
+        foreach ($this->lpList as $lp) {
+            if ((int) $lp['session_id'] == $sessionId) {
+                return $lp;
+            }
+        }
+
+        return [];
+    }
 }

main/gradebook/exercise_jump.php

@@ -55,10 +55,8 @@ if (!empty($doExerciseUrl)) {
         if (!empty($exercise->id)) {
             if ($exercise->exercise_was_added_in_lp) {
                 if (!empty($exercise->lpList)) {
-                    $count = count($exercise->lpList);
-                    if ($count == 1) {
                     // If the exercise was added once redirect to the LP
-                        $firstLp = current($exercise->lpList);
+                    $firstLp = $exercise->getLpBySession($session_id);
                     if (isset($firstLp['lp_id'])) {
                         $url = api_get_path(WEB_CODE_PATH).'lp/lp_controller.php?'.api_get_cidreq().'&'
                             .http_build_query(
@@ -69,10 +67,6 @@ if (!empty($doExerciseUrl)) {
                                 ]
                             );
                     }
-                    } else {
-                        // If the exercise was added multiple times show the LP list
-                        $url = api_get_path(WEB_CODE_PATH).'lp/lp_controller.php?'.api_get_cidreq().'&action=list';
-                    }
                 }
             } else {
                 $url = api_get_path(WEB_CODE_PATH).'exercise/overview.php?'.http_build_query(

main/gradebook/lib/be/exerciselink.class.php

@@ -274,8 +274,7 @@ class ExerciseLink extends AbstractLink
             } else {
                 $lpId = null;
                 if (!empty($exercise->lpList)) {
-                    // Taking only the first LP
-                    $lpId = current($exercise->lpList);
+                    $lpId = $exercise->getLpBySession($sessionId);
                     $lpId = $lpId['lp_id'];
                 }