admin: Add availability to delete all votes of a poll.

adminstuds.php

@@ -52,6 +52,13 @@ if (!$poll) {
     exit;
 }
 
+// -------------------------------
+// Remove all votes
+// -------------------------------
+if (isset($_POST['remove_all_votes'])) {
+    $pollService->cleanVotes($admin_poll_id, $poll_id);
+}
+
 // -------------------------------
 // Update poll info
 // -------------------------------
@@ -111,6 +118,7 @@ if (isset($_POST['update_poll_info'])) {
 // -------------------------------
 // Delete a comment
 // -------------------------------
+
 if (!empty($_POST['delete_comment'])) {
     $comment_id = filter_input(INPUT_POST, 'delete_comment', FILTER_VALIDATE_INT);
 

app/classes/Framadate/FramaDB.php

@@ -102,6 +102,20 @@ class FramaDB
         return $newVote;
     }
 
+    function deleteVotesByAdminPollId($admin_poll_id, $poll_id) {
+        $prepared = $this->prepare('SELECT 1 FROM sondage WHERE admin_poll_id = ? AND poll_id = ?');
+        $prepared->execute([$admin_poll_id, $poll_id]);
+        $count = $prepared->rowCount();
+        $prepared->closeCursor();
+
+        if ($count === 1) {
+            $prepared = $this->prepare('DELETE FROM user_studs WHERE id_sondage = ?');
+            return $prepared->execute([$poll_id]);
+        } else {
+            return null;
+        }
+    }
+
     function updateVote($poll_id, $vote_id, $choices) {
         $prepared = $this->prepare('UPDATE user_studs SET reponses = ? WHERE id_sondage = ? AND id_users = ?');
         return $prepared->execute([$choices, $poll_id, $vote_id]);

app/classes/Framadate/Services/PollService.php

@@ -60,6 +60,10 @@ class PollService {
         return $this->connect->insertVote($poll_id, $name, $choices);
     }
 
+    function cleanVotes($admin_poll_id, $poll_id) {
+        $this->connect->deleteVotesByAdminPollId($admin_poll_id, $poll_id);
+    }
+
     function addComment($poll_id, $name, $comment) {
         return $this->connect->insertComment($poll_id, $name, $comment);
     }