From 1aeaa7daabf2c00df45088f4a90615b463fb9f90 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Wed, 16 Jun 2010 18:05:15 -0700
Subject: Add REST support for comments.  You can view, add, edit and delete
 comments.

---
 modules/comment/helpers/comment_rest.php | 85 ++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 modules/comment/helpers/comment_rest.php

(limited to 'modules/comment/helpers/comment_rest.php')

diff --git a/modules/comment/helpers/comment_rest.php b/modules/comment/helpers/comment_rest.php
new file mode 100644
index 00000000..cfdf9fa3
--- /dev/null
+++ b/modules/comment/helpers/comment_rest.php
@@ -0,0 +1,85 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2010 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class comment_rest_Core {
+  static function get($request) {
+    $comment = rest::resolve($request->url);
+    access::required("view", $comment->item());
+
+    return array(
+      "url" => $request->url,
+      "entity" => $comment->as_restful_array(),
+      "relationships" => rest::relationships("comment", $comment));
+  }
+
+  static function put($request) {
+    // Only admins can edit comments, for now
+    if (!identity::active_user()->admin) {
+      access::forbidden();
+    }
+
+    $comment = rest::resolve($request->url);
+    $comment = ORM::factory("comment");
+    $comment->text = $request->params->text;
+    $comment->save();
+  }
+
+  static function post($request) {
+    $item = rest::resolve($request->url);
+    access::required("edit", $item);
+
+    $entity = $request->params->entity;
+    $comment->text = $request->params->text;
+    $comment->save();
+
+    return array("url" => rest::url("comment", $comment));
+  }
+
+  static function delete($request) {
+    if (!identity::active_user()->admin) {
+      access::forbidden();
+    }
+
+    $comment = rest::resolve($request->url);
+    access::required("edit", $comment->item());
+
+    $comment->delete();
+  }
+
+  static function relationships($resource_type, $resource) {
+    switch ($resource_type) {
+    case "item":
+      return array(
+        "comments" => array(
+          "url" => rest::url("item_comments", $resource)));
+    }
+  }
+
+  static function resolve($id) {
+    $comment = ORM::factory("comment", $id);
+    if (!access::can("view", $comment->item())) {
+      throw new Kohana_404_Exception();
+    }
+    return $comment;
+  }
+
+  static function url($comment) {
+    return url::abs_site("rest/comment/{$comment->id}");
+  }
+}
-- 
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