From 0fe8d444722e6051a10fddd9e6b01b7c4849c5de Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Thu, 13 Nov 2008 10:38:28 +0000
Subject: Create module helper and refactor all the code that creates, updates
 and deletes modules into it.

---
 core/helpers/core_installer.php | 15 ++++++--------
 core/helpers/module.php         | 43 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 9 deletions(-)
 create mode 100644 core/helpers/module.php

(limited to 'core/helpers')

diff --git a/core/helpers/core_installer.php b/core/helpers/core_installer.php
index a3350f22..680d44a3 100644
--- a/core/helpers/core_installer.php
+++ b/core/helpers/core_installer.php
@@ -20,17 +20,17 @@
 class core_installer {
   public static function install() {
     $db = Database::instance();
+    $version = 0;
     try {
-      $base_version = ORM::factory("module")->where("name", "core")->find()->version;
+      $version = module::get_version("core");
     } catch (Exception $e) {
-      if ($e->getCode() == E_DATABASE_ERROR) {
-        $base_version = 0;
-      } else {
+      if ($e->getCode() != E_DATABASE_ERROR) {
+        Kohana::log("error", $e);
         throw $e;
       }
     }
 
-    if ($base_version == 0) {
+    if ($version == 0) {
       $db->query("CREATE TABLE `modules` (
                    `id` int(9) NOT NULL auto_increment,
                    `name` char(255) default NULL,
@@ -63,10 +63,7 @@ class core_installer {
         @mkdir(VARPATH . $dir);
       }
 
-      $core = ORM::factory("module")->where("name", "core")->find();
-      $core->name = "core";
-      $core->version = 1;
-      $core->save();
+      module::set_version("core", 1);
 
       $root = ORM::factory("item");
       $root->type = 'album';
diff --git a/core/helpers/module.php b/core/helpers/module.php
new file mode 100644
index 00000000..92077f72
--- /dev/null
+++ b/core/helpers/module.php
@@ -0,0 +1,43 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * This is the API for handling modules.
+ *
+ * Note: by design, this class does not do any permission checking.
+ */
+class Module_Core {
+  public static function get_version($module_name) {
+    return ORM::factory("module")->where("name", $module_name)->find()->version;
+  }
+
+  public static function set_version($module_name, $version) {
+    $module = ORM::factory("module")->where("name", $module_name)->find();
+    if (!$module->loaded) {
+      $module->name = $module_name;
+    }
+    $module->version = 1;
+    $module->save();
+  }
+
+  public static function delete ($module_name) {
+    ORM::factory("module")->where("name", $module_name)->find()->delete();
+  }
+}
-- 
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