Added deleting photo tags

2 files changed, 24 insertions, 54 deletions

diff --git a/actions/deletetag.php b/actions/deletetag.php
deleted file mode 100644
index 97c1081f8..000000000
--- a/actions/deletetag.php
+++ /dev/null
@@ -1,54 +0,0 @@
-<?php
-/**
- * Tidypics Delete Photo Tag
- *
- */
-
-gatekeeper();
-action_gatekeeper();
-
-$image_guid = get_input('image_guid');
-$tags = get_input('tags');
-
-
-if ($image_guid == 0) {
-	register_error(elgg_echo("tidypics:phototagging:error"));
-	forward($_SERVER['HTTP_REFERER']);
-}
-
-$image = get_entity($image_guid);
-if (!$image) {
-	register_error(elgg_echo("tidypics:phototagging:error"));
-	forward($_SERVER['HTTP_REFERER']);
-}
-
-foreach ($tags as $id => $value) {
-	// delete normal tag if it exists
-	if (is_array($image->tags)) {
-		$index = array_search($value, $image->tags);
-		if ($index !== false) {
-			$tagarray = $image->tags;
-			unset($tagarray[$index]);
-			$image->clearMetadata('tags');
-			$image->tags = $tagarray;
-		}
-	} else {
-		if ($value === $image->tags) {
-			$image->clearMetadata('tags');
-		}
-	}
-
-	// delete relationship if this tag is a user
-	$annotation = get_annotation($id);
-	$photo_tag = unserialize($annotation->value);
-	if ($photo_tag->type == 'user') {
-		remove_entity_relationship($photo_tag->value, 'phototag', $image_guid);
-	}
-
-	// delete the photo tag annotation
-	delete_annotation($id);
-}
-
-system_message(elgg_echo("tidypics:deletetag:success"));
-
-forward($_SERVER['HTTP_REFERER']);
diff --git a/actions/photos/image/untag.php b/actions/photos/image/untag.php
new file mode 100644
index 000000000..012f98930
--- /dev/null
+++ b/actions/photos/image/untag.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * Remove photo tag action
+ */
+
+$annotation = get_annotation(get_input('annotation_id'));
+
+if (!$annotation instanceof ElggAnnotation || $annotation->name != 'phototag') {
+	register_error(elgg_echo("tidypics:phototagging:delete:error"));
+	forward(REFERER);
+}
+
+if (!$annotation->canEdit()) {
+	register_error(elgg_echo("tidypics:phototagging:delete:error"));
+	forward(REFERER);
+}
+
+if ($annotation->delete()) {
+	system_message(elgg_echo("tidypics:phototagging:delete:success"));
+} else {
+	system_message(elgg_echo("tidypics:phototagging:delete:error"));
+}
+
+forward(REFERER);