From c88749757133bf2910b1917ce884be02b979efef Mon Sep 17 00:00:00 2001
From: "Michael J. Rubinsky" <mrubinsk@horde.org>
Date: Mon, 17 Jan 2011 14:16:06 -0500
Subject: [PATCH] Start to reduce coupling between ansel code and share
 implementation

use share methods everywhere possible, do not access tables directly
---
 ansel/lib/Ajax/Imple/GallerySlugCheck.php |  2 +-
 ansel/lib/Gallery.php                     |  2 +-
 ansel/lib/Storage.php                     | 28 ++++++++++------------------
 3 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/ansel/lib/Ajax/Imple/GallerySlugCheck.php b/ansel/lib/Ajax/Imple/GallerySlugCheck.php
index 135917b03..3e08b75de 100644
--- a/ansel/lib/Ajax/Imple/GallerySlugCheck.php
+++ b/ansel/lib/Ajax/Imple/GallerySlugCheck.php
@@ -38,7 +38,7 @@ class Ansel_Ajax_Imple_GallerySlugCheck extends Horde_Core_Ajax_Imple
             return array('response' => '0');
         }
 
-        $exists = $GLOBALS['injector']->getInstance('Ansel_Storage')->slugExists($slug) ? 0 : 1;
+        $exists = $GLOBALS['injector']->getInstance('Ansel_Storage')->galleryExists(null, $slug) ? 0 : 1;
         return array('response' => $exists);
     }
 
diff --git a/ansel/lib/Gallery.php b/ansel/lib/Gallery.php
index 14ff39c7e..926744d13 100644
--- a/ansel/lib/Gallery.php
+++ b/ansel/lib/Gallery.php
@@ -136,7 +136,7 @@ class Ansel_Gallery extends Horde_Share_Object_Sql_Hierarchical implements Seria
         }
 
         // Check for slug uniqueness
-        $slugGalleryId = $GLOBALS['injector']->getInstance('Ansel_Storage')->slugExists($this->data['attribute_slug']);
+        $slugGalleryId = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGalleryIdFromSlug($this->data['attribute_slug']);
         if ($slugGalleryId > 0 && $slugGalleryId <> $this->id) {
             throw InvalidArgumentException(
                 sprintf(_("Could not save gallery, the slug, \"%s\", already exists."),
diff --git a/ansel/lib/Storage.php b/ansel/lib/Storage.php
index e4bc99355..20a87d91f 100644
--- a/ansel/lib/Storage.php
+++ b/ansel/lib/Storage.php
@@ -115,7 +115,7 @@ class Ansel_Storage
 
         /* Check for slug uniqueness */
         if (!empty($attributes['slug']) &&
-            $this->slugExists($attributes['slug'])) {
+            $this->galleryExists(null, $attributes['slug'])) {
             throw new Horde_Exception(sprintf(_("The slug \"%s\" already exists."), $attributes['slug']));
         }
 
@@ -230,7 +230,7 @@ class Ansel_Storage
      *
      * @return integer  The share_id the slug represents, or 0 if not found.
      */
-    public function slugExists($slug)
+    public function getGalleryIdFromSlug($slug)
     {
         // An empty slug should never match.
         if (!strlen($slug)) {
@@ -274,7 +274,7 @@ class Ansel_Storage
      */
     public function getGalleryBySlug($slug, $overrides = array())
     {
-        $id = $this->slugExists($slug);
+        $id = $this->getGalleryIdFromSlug($slug);
         if ($id) {
             return $this->getGallery($id, $overrides);
         } else {
@@ -741,10 +741,8 @@ class Ansel_Storage
     }
 
     /**
-     * Check if a gallery exists. Need to do this here instead of Horde_Share
-     * since Horde_Share_Base::exists() takes a share_name, not a share_id. We
-     * might also be checking by gallery_slug and this is more efficient than
-     * a listShares() call for one gallery.
+     * Check if a gallery exists. Need to do this here so we can also check by
+     * gallery slug.
      *
      * @param integer $gallery_id  The gallery id
      * @param string  $slug        The gallery slug
@@ -752,21 +750,15 @@ class Ansel_Storage
      * @return boolean
      * @throws Ansel_Exception
      */
-    public function galleryExists($gallery_id, $slug = null)
+    public function galleryExists($gallery_id = null, $slug = null)
     {
         if (empty($slug)) {
-            $results = $this->_db->queryOne(
-                'SELECT COUNT(share_id) FROM ' . $this->_shares->getTable()
-                . ' WHERE share_id = ' . (int)$gallery_id);
-            if ($results instanceof PEAR_Error) {
-                throw new Ansel_Exception($results);
-            }
-
-            return (bool)$results;
+            $results = $this->_shares->exists($gallery_id);
         } else {
-
-            return (bool)$this->slugExists($slug);
+            $results = $this->_shares->countShares($GLOBALS['registry']->getAuth(), Horde_Perms::READ, array('slug' => $slug));
         }
+
+        return (bool)$results;
     }
 
    /**
-- 
2.11.0