From ab20406ef21c1011c2a4b189e8340dc7ee87a813 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Sun, 23 Nov 2008 18:00:44 +0000
Subject: Tag module database definitions

---
 core/models/item.php                  |  7 +++++++
 modules/tag/helpers/tag_installer.php | 17 +++++++++++++++++
 modules/tag/models/tag.php            | 25 +++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 modules/tag/models/tag.php

diff --git a/core/models/item.php b/core/models/item.php
index 4481a3a9..ba759c2b 100644
--- a/core/models/item.php
+++ b/core/models/item.php
@@ -21,6 +21,13 @@ class Item_Model extends ORM_MPTT {
   protected $children = 'items';
   protected $has_one = array("owner" => "user");
 
+  function __construct($id=null) {
+    parent::__construct($id);
+    if (!in_array("tags", $this->has_and_belongs_to_many) && module::is_installed("tag")) {
+      $this->has_and_belongs_to_many[] = "tags";
+    }
+  }
+
   /**
    * Is this item an album?
    * @return true if it's an album
diff --git a/modules/tag/helpers/tag_installer.php b/modules/tag/helpers/tag_installer.php
index 03823ff3..7c10be97 100644
--- a/modules/tag/helpers/tag_installer.php
+++ b/modules/tag/helpers/tag_installer.php
@@ -20,14 +20,31 @@
 class tag_installer {
   public static function install() {
     Kohana::log("debug", "tag_installer::install");
+    $db = Database::instance();
     $version = module::get_version("tags");
     Kohana::log("debug", "tag: $version");
     if ($version == 0) {
+      $db->query("CREATE TABLE IF NOT EXISTS `tags` (
+          `id` int(9) NOT NULL auto_increment,
+          `tag_text` varchar(255) NOT NULL,
+          PRIMARY KEY (`id`),
+          UNIQUE KEY(`display_name`))
+        ENGINE=InnoDB DEFAULT CHARSET=utf8;");
+
+      $db->query("CREATE TABLE IF NOT EXISTS `items_tags` (
+          `item_id` int(9) NOT NULL,
+          `tag_id` int(9) NOT NULL,
+          PRIMARY KEY (`item_id`, `tag_id`),
+          UNIQUE KEY(`tag_id`, `item_id`))
+        ENGINE=InnoDB DEFAULT CHARSET=utf8;");
       module::set_version("tag", 1);
     }
   }
 
   public static function uninstall() {
+    $db = Database::instance();
+    $db->query("DROP TABLE IF EXISTS `tags`;");
+    $db->query("DROP TABLE IF EXISTS `items_tags`;");
     module::delete("tag");
   }
 }
diff --git a/modules/tag/models/tag.php b/modules/tag/models/tag.php
new file mode 100644
index 00000000..0bf85843
--- /dev/null
+++ b/modules/tag/models/tag.php
@@ -0,0 +1,25 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 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 Tag_Model extends ORM {
+  protected $has_and_belongs_to_many = array("items");
+
+  var $rules = array(
+    "name" => "required|length[4,32]");
+}
\ No newline at end of file
-- 
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