Revert "Fixes #4606 made unlike code consistent and functional"

This reverts commit e322253.

mod/likes/actions/likes/delete.php

@@ -4,12 +4,17 @@
  *
  */
 
-$id = (int) get_input('id');
-$like = elgg_get_annotation_from_id($id);
-if ($like && $like->canEdit()) {
-	$like->delete();
-	system_message(elgg_echo("likes:deleted"));
-	forward(REFERER);
+$likes = elgg_get_annotations(array(
+	'guid' => (int) get_input('guid'),
+	'annotation_owner_guid' => elgg_get_logged_in_user_guid(),
+	'annotation_name' => 'likes',
+));
+if ($likes) {
+	if ($likes[0]->canEdit()) {
+		$likes[0]->delete();
+		system_message(elgg_echo("likes:deleted"));
+		forward(REFERER);
+	}
 }
 
 register_error(elgg_echo("likes:notdeleted"));

mod/likes/languages/en.php

@@ -17,7 +17,6 @@
 	'likes:userlikedthis' => '%s like',
 	'likes:userslikedthis' => '%s likes',
 	'likes:river:annotate' => 'likes',
-	'likes:delete:confirm' => 'Are you sure you want to unlike this?',
 
 	'river:likes' => 'likes %s %s',
 

mod/likes/views/default/annotation/likes.php

@@ -29,9 +29,9 @@
 
 if ($like->canEdit()) {
 	$delete_button = elgg_view("output/confirmlink",array(
-						'href' => "action/likes/delete?id={$like->id}",
+						'href' => "action/likes/delete?annotation_id={$like->id}",
 						'text' => "<span class=\"elgg-icon elgg-icon-delete float-alt\"></span>",
-						'confirm' => elgg_echo('likes:delete:confirm'),
+						'confirm' => elgg_echo('deleteconfirm'),
 						'encode_text' => false,
 					));
 }

mod/likes/views/default/likes/button.php

@@ -24,13 +24,7 @@
 		);
 		$likes_button = elgg_view('output/url', $params);
 	} else {
-		$like = elgg_get_annotations(array(
-			'guid' => $guid,
-			'annotation_owner_guid' => elgg_get_logged_in_user_guid(),
-			'annotation_name' => 'likes',
-		));
-		$like = $like[0];
-		$url = elgg_get_site_url() . "action/likes/delete?id={$like->id}";
+		$url = elgg_get_site_url() . "action/likes/delete?guid={$guid}";
 		$params = array(
 			'href' => $url,
 			'text' => elgg_view_icon('thumbs-up-alt'),