Implement global settings

application/models/setting.php

@@ -0,0 +1,91 @@
+<?php defined('BASEPATH') || exit('No direct script access allowed');
+/*
+ * Copyright (c) 2011 Karsten Heiken, Eike Foken
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Model for settings.
+ *
+ * @todo Use magic methods
+ * @author Eike Foken <kontakt@eikefoken.de>
+ */
+class Setting extends CI_Model {
+
+	/**
+	 * Calls the parent constructor.
+	 */
+	public function __construct() {
+		parent::__construct();
+	}
+
+	/**
+	 *
+	 * @param string $name
+	 * @param string $value
+	 */
+	public function set($name, $value) {
+		$this->db->where('name', $name)->update('settings', array('value' => $value));
+
+		if ($this->db->where('name', $name)->count_all_results('settings') == 0) {
+			$this->create(array('name' => $name, 'value' => $value));
+		}
+	}
+
+	/**
+	 *
+	 * @param string $name
+	 */
+	public function get($name) {
+		return $this->db->get_where('settings', array('name' => $name))->row()->value;
+	}
+
+	/**
+	 * Creates a new settings entry.
+	 *
+	 * @param array $data
+	 * @return boolean Returns TRUE on success.
+	 */
+	public function create($data = array()) {
+		do { // generate unique hash
+			$data['id'] = random_hash();
+		} while ($this->db->where('id', $data['id'])->from('settings')->count_all_results() > 0);
+
+		$this->db->insert('settings', $data);
+
+		return $this->db->affected_rows() == 1;
+	}
+
+	/**
+	 * Updates all settings.
+	 *
+	 * @param array $data
+	 * @return boolean Returns TRUE on success.
+	 */
+	public function update($data = array()) {
+		foreach ($data as $name => $value) {
+			$this->set($name, $value);
+		}
+		return true;
+	}
+}
+
+/* End of file setting.php */
+/* Location: ./application/models/setting.php */