Avoid request to database for get exercises - refs BT#9886 #TMI

Conflicts: main/newscorm/learnpath.class.php
chamilo · May 28, 2015 · 3dad1cf · 3dad1cf
1 parent 58eb691
commit 3dad1cf
Showing 1 changed file with 130 additions and 0 deletions.
diff --git a/main/newscorm/learnpath.class.php b/main/newscorm/learnpath.class.php
@@ -10269,6 +10269,136 @@ public function setCategoryId($categoryId)
 
         return true;
     }
+
+    /**
+     * Calculate the count of stars for a user
+     * @param int $lpId The learn path ID
+     * @param int $userId The user ID
+     * @param int $courseId The course ID
+     * @param int $sessionId Optional. The session ID
+     * @return int The count of stars
+     */
+    public function getCalculateStars()
+    {
+        $stars = 0;
+
+        $progress = self::getProgress($this->lp_id, $this->user_id, $this->course_int_id, $this->lp_session_id);
+
+        if ($progress > 50) {
+            $stars++;
+        }
+
+        // Calculate stars chapters evaluation
+        $exercisesItems = $this->getExercisesItems();
+
+        if ($exercisesItems === false) {
+            return $stars;
+        }
+
+        $totalResult = 0;
+
+        foreach ($exercisesItems as $exerciseItem) {
+            $exerciseResultInfo = Event::getExerciseResultsByUser(
+                $this->user_id,
+                $exerciseItem->ref,
+                $this->course_int_id,
+                $this->lp_session_id,
+                $this->lp_id,
+                $exerciseItem->db_id
+            );
+
+            $exerciseResult = 0;
+
+            foreach ($exerciseResultInfo as $result) {
+                $exerciseResult += $result['exe_result'] * 100 / $result['exe_weighting'];
+            }
+
+            $exerciseAverage = $exerciseResult / (count($exerciseResultInfo) > 0 ? count($exerciseResultInfo) : 1);
+
+            $totalResult += $exerciseAverage;
+        }
+
+        $totalExerciseAverage = $totalResult / (count($exercisesItems) > 0 ? count($exercisesItems) : 1);
+
+        if ($totalExerciseAverage >= 50) {
+            $stars++;
+        }
+
+        if ($totalExerciseAverage >= 80) {
+            $stars++;
+        }
+
+        // Calculate star for final evaluation
+        $finalEvaluationItem = $this->getFinalEvaluationItem();
+
+        if ($finalEvaluationItem === false) {
+            return $stars;
+        }
+
+        $evaluationResultInfo = Event::getExerciseResultsByUser(
+            $this->user_id,
+            $finalEvaluationItem->ref,
+            $this->course_int_id,
+            $this->lp_session_id,
+            $this->lp_id,
+            $finalEvaluationItem->db_id
+        );
+
+        $evaluationResult = 0;
+
+        foreach ($evaluationResultInfo as $result) {
+            $evaluationResult += $result['exe_result'] * 100 / $result['exe_weighting'];
+        }
+
+        $evaluationAverage = $evaluationResult / (count($evaluationResultInfo) > 0 ? count($evaluationResultInfo) : 1);
+
+        if ($evaluationAverage >= 80) {
+            $stars++;
+        }
+
+        return $stars;
+    }
+
+    /**
+     * Get the items of exercise type
+     * @return array The items. Otherwise return false
+     */
+    public function getExercisesItems()
+    {
+        $exercises = [];
+
+        foreach ($this->items as $item) {
+            if ($item->type != 'quiz') {
+                continue;
+            }
+
+            $exercises[] = $item;
+        }
+
+        array_pop($exercises);
+
+        return $exercises;
+    }
+
+    /**
+     * Get the item of exercise type (evaluation type)
+     * @return array The final evaluation. Otherwise return false
+     */
+    public function getFinalEvaluationItem()
+    {
+        $exercises = [];
+
+        foreach ($this->items as $item) {
+            if ($item->type != 'quiz') {
+                continue;
+            }
+
+            $exercises[] = $item;
+        }
+
+        return array_pop($exercises);
+    }
+
 }
 
 if (!function_exists('trim_value')) {