edit

src/Api.php

@@ -68,6 +68,7 @@ class Api
 	 */
 	public function submit($uid, $product_id, $order_id, $page_number, $survey_id, $survey_answer)
 	{
+		$result = 1;
 		if ($survey_id && $survey_answer) {
 			$survey_id = explode('||', $survey_id);
 			$survey_answer = explode('||', $survey_answer);
@@ -99,10 +100,15 @@ class Api
 				}
 			}
 
-			if ($num == $total || $page_number > 0) {
-				$user = Dever::db('survey/user')->one(array('uid' => $uid, 'product_id' => $product_id, 'order_id' => $order_id));
-				if ($user) {
+			$user = Dever::db('survey/user')->one(array('uid' => $uid, 'product_id' => $product_id, 'order_id' => $order_id));
+			if ($user) {
+				if ($page_number == $user['index']) {
+					$result = 2;
+				} else {
+					$result = 1;
+				}
 
+				if ($num == $total || $page_number > 0) {
 					$user['index'] = $user['index'] + 1;
 					if ($page_number) {
 						$user['index'] = $page_number;
@@ -112,7 +118,7 @@ class Api
 			}
 		}
 
-		return true;
+		return $result;
 	}
 
 	/**