1 files changed, 71 insertions, 0 deletions
diff --git a/src/application/actions/updatetopic/post.php b/src/application/actions/updatetopic/post.php
new file mode 100644
index 0000000..2a757c6
--- /dev/null
+++ b/src/application/actions/updatetopic/post.php
@@ -0,0 +1,71 @@
+<?php
+
+use mystic\forum\orm\Topic;
+use mystic\forum\orm\TopicLogMessage;
+use mystic\forum\orm\User;
+use mystic\forum\orm\UserPermissions;
+use mystic\forum\utils\RequestUtils;
+
+if (!$currentUser) {
+    http_response_code(403);
+    msg_error(__("You need to be logged in to update topics!"));
+    exit;
+}
+
+$formId = "updatetopic";
+$topicId = RequestUtils::getRequiredField("topic", $formId);
+$title = RequestUtils::getRequiredField("title", $formId);
+
+$topic = new Topic();
+$topic->id = $topicId;
+
+if (!$db->fetch($topic)) {
+    http_response_code(404);
+    msg_error(__("No topic exists with this id"));
+    exit;
+}
+
+$topicAuthor = new User();
+$topicAuthor->id = $topic->createdBy;
+
+if (!$db->fetch($topicAuthor))
+    $topicAuthor = null;
+
+if ($topic->isLocked) {
+    http_response_code(403);
+    msg_error(__("This topic has been locked"));
+    exit;
+}
+
+$canEdit = ($currentUser->id === $topicAuthor?->id && $topicAuthor?->hasPermission(UserPermissions::EDIT_OWN_TOPIC))
+        || ($currentUser->hasPermission(UserPermissions::EDIT_OTHER_TOPIC));
+
+if (!$canEdit) {
+    http_response_code(403);
+    msg_error(__("You don't have permission to update this topic"));
+    exit;
+}
+
+$prevTitle = $topic->title;
+$topic->title = $title;
+
+$log = new TopicLogMessage();
+$log->id = $db->generateId();
+$log->topicId = $topic->id;
+$log->authorId = $currentUser->id;
+$log->params = [
+    "old_value" => $prevTitle,
+    "new_value" => $title,
+];
+$log->type = TopicLogMessage::TITLE_CHANGED;
+$log->postDate = new \DateTimeImmutable();
+
+$db->insert($log);
+
+if (!$db->update($topic)) {
+    http_response_code(500);
+    msg_error(__("Failed to update topic"));
+    exit;
+}
+
+header("Location: ./?_action=viewtopic&topic=" . urlencode($topicId));