add user-questionnaire, response, question, answers to api

common/models/Answer.php

@@ -125,4 +125,12 @@ class Answer extends \yii\db\ActiveRecord
             ->andWhere('status=1')
             ->count();
     }
+
+    public static function getActiveAnswers($question_id)
+    {
+        return self::find()->where(['question_id' => $question_id])
+            ->andWhere(['status' => '1'])
+            ->AsArray()
+            ->all();
+    }
 }

common/models/Question.php

@@ -152,4 +152,12 @@ class Question extends \yii\db\ActiveRecord
 
         return date("i:s", mktime(null, null, $this->time_limit));
     }
+
+    public static function getActiveQuestions($questionnaire_id)
+    {
+        return self::find()->where(['questionnaire_id' => $questionnaire_id])
+            ->andWhere(['status' => '1'])
+            ->AsArray()
+            ->all();
+    }
 }

common/models/Questionnaire.php

@@ -2,6 +2,7 @@
 
 namespace common\models;
 
+use phpDocumentor\Reflection\Types\This;
 use Yii;
 use yii\behaviors\TimestampBehavior;
 use yii\db\Expression;
@@ -86,6 +87,15 @@ class Questionnaire extends \yii\db\ActiveRecord
         return $this->hasMany(Question::className(), ['questionnaire_id' => 'id']);
     }
 
+    /**
+     * @return \yii\db\ActiveQuery
+     */
+    public function getAnswers()
+    {
+        return $this->hasMany(Answer::className(), ['question_id' => 'id'])
+            ->viaTable('question', ['questionnaire_id' => 'id']);
+    }
+
     /**
      * @return \yii\db\ActiveQuery
      */

common/models/UserQuestionnaire.php

@@ -277,4 +277,11 @@ class UserQuestionnaire extends \yii\db\ActiveRecord
             $response->rateResponse();
         }
     }
+
+    public static function findActiveUserQuestionnaires($user_id)
+    {
+        return self::find()->where(['user_id' => $user_id])
+            ->andWhere(['status' => '1'])
+            ->all();
+    }
 }