Added DB Access + Error page

demos/blog/protected/models/Lookup.php

@@ -0,0 +1,76 @@
+<?php
+
+class Lookup extends CActiveRecord
+{
+	/**
+	 * The followings are the available columns in table 'tbl_lookup':
+	 * @var integer $id
+	 * @var string $object_type
+	 * @var integer $code
+	 * @var string $name_en
+	 * @var string $name_fr
+	 * @var integer $sequence
+	 * @var integer $status
+	 */
+
+	private static $_items=array();
+
+	/**
+	 * Returns the static model of the specified AR class.
+	 * @return CActiveRecord the static model class
+	 */
+	public static function model($className=__CLASS__)
+	{
+		return parent::model($className);
+	}
+
+	/**
+	 * @return string the associated database table name
+	 */
+	public function tableName()
+	{
+		return '{{lookup}}';
+	}
+
+	/**
+	 * Returns the items for the specified type.
+	 * @param string item type (e.g. 'PostStatus').
+	 * @return array item names indexed by item code. The items are order by their position values.
+	 * An empty array is returned if the item type does not exist.
+	 */
+	public static function items($type)
+	{
+		if(!isset(self::$_items[$type]))
+			self::loadItems($type);
+		return self::$_items[$type];
+	}
+
+	/**
+	 * Returns the item name for the specified type and code.
+	 * @param string the item type (e.g. 'PostStatus').
+	 * @param integer the item code (corresponding to the 'code' column value)
+	 * @return string the item name for the specified the code. False is returned if the item type or code does not exist.
+	 */
+	public static function item($type,$code)
+	{
+		if(!isset(self::$_items[$type]))
+			self::loadItems($type);
+		return isset(self::$_items[$type][$code]) ? self::$_items[$type][$code] : false;
+	}
+
+	/**
+	 * Loads the lookup items for the specified type from the database.
+	 * @param string the item type
+	 */
+	private static function loadItems($type)
+	{
+		self::$_items[$type]=array();
+		$models=self::model()->findAll(array(
+			'condition'=>'type=:type',
+			'params'=>array(':type'=>$type),
+			'order'=>'position',
+		));
+		foreach($models as $model)
+			self::$_items[$type][$model->code]=$model->name;
+	}
+}