1 files changed, 45 insertions, 0 deletions
diff --git a/mod/groups/actions/discussion/reply/save.php b/mod/groups/actions/discussion/reply/save.php
new file mode 100644
index 000000000..e535856da
--- /dev/null
+++ b/mod/groups/actions/discussion/reply/save.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * Post a reply to discussion topic
+ *
+ */
+
+gatekeeper();
+
+// Get input
+$entity_guid = (int) get_input('entity_guid');
+$text = get_input('group_topic_post');
+
+// reply cannot be empty
+if (empty($text)) {
+	register_error(elgg_echo('grouppost:nopost'));
+	forward(REFERER);
+}
+
+$topic = get_entity($entity_guid);
+if (!$topic) {
+	register_error(elgg_echo('grouppost:nopost'));
+	forward(REFERER);
+}
+
+$user = get_loggedin_user();
+
+$group = $topic->getContainerEntity();
+if (!$group->isMember($user)) {
+	register_error(elgg_echo('groups:notmember'));
+	forward(REFERER);
+}
+
+
+// add the reply to the forum topic
+$reply_id = $topic->annotate('group_topic_post', $text, $topic->access_id, $user->guid);
+if ($reply_id == false) {
+	system_message(elgg_echo('groupspost:failure'));
+	forward(REFERER);
+}
+
+add_to_river('river/annotation/group_topic_post/reply', 'reply', $user->guid, $topic->guid, "", 0, $reply_id);
+
+system_message(elgg_echo('groupspost:success'));
+
+forward(REFERER);