From 64be91148a881f65224c583b92c407205db24634 Mon Sep 17 00:00:00 2001
From: dave <dave@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Sun, 21 Mar 2010 16:22:19 +0000
Subject: generic like this functionality added

git-svn-id: http://code.elgg.org/elgg/trunk@5456 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 actions/likes/add.php    | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
 actions/likes/delete.php | 32 ++++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 actions/likes/add.php
 create mode 100644 actions/likes/delete.php

(limited to 'actions/likes')

diff --git a/actions/likes/add.php b/actions/likes/add.php
new file mode 100644
index 000000000..36672d3ec
--- /dev/null
+++ b/actions/likes/add.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Elgg add like action
+ *
+ * @package Elgg
+ * @author Curverider <curverider.co.uk>
+ * @link http://elgg.org/
+ */
+
+// Make sure we're logged in; forward to the front page if not
+gatekeeper();
+
+// Get input
+$entity_guid = (int) get_input('guid');
+//check to see if the user has already liked the item
+if(elgg_already_created_annotation($entity_guid, 'likes')){
+	system_message(elgg_echo("likes:alreadyliked"));
+	forward($_SERVER['HTTP_REFERER']);
+}
+// Let's see if we can get an entity with the specified GUID
+$entity = get_entity($entity_guid);
+if (!$entity) {
+	register_error(elgg_echo("likes:notfound"));
+	forward($_SERVER['HTTP_REFERER']);
+}
+
+$user = get_loggedin_user();
+$annotation = create_annotation($entity->guid, 
+								'likes',
+								"likes", 
+								"", 
+								$user->guid, 
+								$entity->access_id);
+
+// tell user annotation didn't work if that is the case
+if (!$annotation) {
+	register_error(elgg_echo("likes:failure"));
+	forward($_SERVER['HTTP_REFERER']);
+}
+
+// notify if poster wasn't owner
+if ($entity->owner_guid != $user->guid) {
+			
+	notify_user($entity->owner_guid,
+				$user->guid,
+				elgg_echo('likes:email:subject'),
+				sprintf(
+					elgg_echo('likes:email:body'),
+					$entity->title,
+					$user->name,
+					$comment_text,
+					$entity->getURL(),
+					$user->name,
+					$user->getURL()
+				)
+			);
+}
+
+system_message(elgg_echo("likes:likes"));
+//add to river
+add_to_river('annotation/annotatelike','likes',$user->guid,$entity->guid, "", 0, $annotation);
+
+// Forward back to the page where the user 'liked' the object
+forward($_SERVER['HTTP_REFERER']);
diff --git a/actions/likes/delete.php b/actions/likes/delete.php
new file mode 100644
index 000000000..cbb89f67a
--- /dev/null
+++ b/actions/likes/delete.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Elgg delete like action
+ *
+ * @package Elgg
+ * @author Curverider <curverider.co.uk>
+ * @link http://elgg.org/
+ */
+
+// Ensure we're logged in
+if (!isloggedin()) {
+	forward();
+}
+
+// Make sure we can get the comment in question
+$annotation_id = (int) get_input('annotation_id');
+if ($likes = get_annotation($annotation_id)) {
+
+	$entity = get_entity($likes->entity_guid);
+
+	if ($likes->canEdit()) {
+		$likes->delete();
+		system_message(elgg_echo("likes:deleted"));
+		forward($entity->getURL());
+	}
+
+} else {
+	$url = "";
+}
+
+register_error(elgg_echo("likes:notdeleted"));
+forward($entity->getURL());
\ No newline at end of file
-- 
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