From 586f2d78b85cbe964a625b3c83896c1c8a991702 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Thu, 24 Dec 2009 19:25:14 -0800
Subject: Add the functionality to add, delete and rename tags via the Gallery3
 remote interface.

---
 modules/tag/helpers/tag_rest.php | 104 +++++++++++++++++++++++++++++++++------
 1 file changed, 90 insertions(+), 14 deletions(-)

(limited to 'modules/tag/helpers')

diff --git a/modules/tag/helpers/tag_rest.php b/modules/tag/helpers/tag_rest.php
index eec90971..d62c0231 100644
--- a/modules/tag/helpers/tag_rest.php
+++ b/modules/tag/helpers/tag_rest.php
@@ -34,12 +34,18 @@ class tag_rest_Core {
         $response["tags"][] = array("name" => $row->name, "count" => $row->count);
       }
     } else {
-      $item = ORM::factory("item")
-        ->where("relative_url_cache", implode("/", $request->arguments))
-        ->viewable()
-        ->find();
-      if ($item->loaded) {
-        $response = array("tags" => tag::item_tags($item));
+      $path = implode("/", $request->arguments);
+      if (strpos($path, ",") === false) {
+        $item = ORM::factory("item")
+          ->where("relative_url_cache", $path)
+          ->viewable()
+          ->find();
+        // If we didn't find it and there was only one argument, retry as a tag not a path
+        if ($item->loaded || count($request->arguments) != 1) {
+          $response = array("tags" => $item->loaded ? tag::item_tags($item) : array());
+        } else {
+          $response = array("resources" => tag_rest::_get_items($request));
+        }
       } else {
         $response = array("resources" => tag_rest::_get_items($request));
       }
@@ -48,20 +54,90 @@ class tag_rest_Core {
     return rest::success($response);
   }
 
+  static function post($request) {
+    if (empty($request->arguments) || count($request->arguments) != 1 || empty($request->path)) {
+      return rest::invalid_request();
+    }
+    $path = $request->path;
+    $tags = explode(",", $request->arguments[0]);
+
+    $item = ORM::factory("item")
+      ->where("relative_url_cache", $path)
+      ->viewable()
+      ->find();
+    if (!$item->loaded) {
+      return rest::not_found("Resource: {$path} missing.");
+    }
+
+    if (!access::can("edit", $item)) {
+      return rest::not_found("Resource: {$path} permission denied.");
+    }
+
+    foreach ($tags as $tag) {
+      tag::add($item, $tag);
+    }
+    return rest::success();
+  }
+
+  static function put($request) {
+    if (empty($request->arguments[0]) || empty($request->new_name)) {
+      return rest::invalid_request();
+    }
+
+    $name = $request->arguments[0];
+
+    $tag = ORM::factory("tag")
+      ->where("name", $name)
+      ->find();
+    if (!$tag->loaded) {
+      return rest::not_found("Tag: {$name} not found.");
+    }
+
+    $tag->name = $request->new_name;
+    $tag->save();
+
+    return rest::success();
+  }
+
+  static function delete($request) {
+    if (empty($request->arguments[0])) {
+      return rest::invalid_request();
+    }
+    $tags = explode(",", $request->arguments[0]);
+    if (!empty($request->path)) {
+      $tag_list = ORM::factory("tag")
+        ->join("items_tags", "tags.id", "items_tags.tag_id")
+        ->join("items", "items.id", "items_tags.item_id")
+        ->in("tags.name", $tags)
+        ->where("relative_url_cache", $request->path)
+        ->viewable()
+        ->find_all();
+    } else {
+      $tag_list = ORM::factory("tag")
+        ->in("name", $tags)
+        ->find_all();
+    }
+
+    foreach ($tag_list as $row) {
+      $row->delete();
+    };
+
+    tag::compact();
+    return rest::success();
+  }
+
   private static function _get_items($request) {
-    $tags = $request->arguments;
+    $tags = explode(",", $request->arguments[0]);
     $items = ORM::factory("item")
-      ->join("items_tags", "items.id", "items_tags.item_id", "left")
-      ->join("tags", "tags.id", "items_tags.tag_id", "left")
-      ->where("tags.name", array_shift($tags));
+      ->select("distinct *")
+      ->join("items_tags", "items.id", "items_tags.item_id")
+      ->join("tags", "tags.id", "items_tags.tag_id")
+      ->in("tags.name", $tags);
     if (!empty($request->limit)) {
       $items->limit($request->limit);
     }
     if (!empty($request->offset)) {
-      $tags->offset($request->offset);
-    }
-    foreach ($tags as $tag) {
-      $items->orWhere("tags.name", $tag);
+      $items->offset($request->offset);
     }
     $resources = array();
     foreach ($items->find_all() as $item) {
-- 
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