From 25463c420866e639d0d4fd1a1b7be7dcc71b27fc Mon Sep 17 00:00:00 2001
From: xue <>
Date: Wed, 16 Nov 2005 18:44:13 +0000
Subject:

---
 demos/personal/protected/Modules/DataModule.php | 120 ++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 demos/personal/protected/Modules/DataModule.php

(limited to 'demos/personal/protected/Modules/DataModule.php')

diff --git a/demos/personal/protected/Modules/DataModule.php b/demos/personal/protected/Modules/DataModule.php
new file mode 100644
index 00000000..03ee3496
--- /dev/null
+++ b/demos/personal/protected/Modules/DataModule.php
@@ -0,0 +1,120 @@
+<?php
+
+class DataModule extends TComponent implements IModule
+{
+	/**
+	 * extension of the db file name
+	 */
+	const DB_FILE_EXT='.db';
+	const DB_SCHEMA='
+		CREATE TABLE tblBlogs (id INTEGER PRIMARY KEY, title VARCHAR(256), content TEXT, lastupdate INTEGER, author VARCHAR(64));
+		CREATE TABLE tblComments (id INTEGER PRIMARY KEY, bid INTEGER, content TEXT, lastupdate INTEGER, author VARCHAR(64), email VARCHAR(64), option INTEGER);
+	';
+	/**
+	 * @var string id of this module
+	 */
+	private $_id='';
+	private $_file='Application.data.site';
+	/**
+	 * @var SQLiteDatabase the sqlite database instance
+	 */
+	private $_db=null;
+	private $_initialized=false;
+
+	/**
+	 * Destructor.
+	 * Disconnect the db connection.
+	 */
+	public function __destruct()
+	{
+		$this->_db=null;
+		parent::__destruct();
+	}
+
+	/**
+	 * Initializes this module.
+	 * This method is required by the IModule interface. It checks if the DbFile
+	 * property is set, and creates a SQLiteDatabase instance for it.
+	 * If the database or the tables do not exist, they will be created.
+	 * @param IApplication Prado application, can be null
+	 * @param TXmlElement configuration for this module, can be null
+	 * @throws TConfigurationException DbFile is set invalid
+	 */
+	public function init($application,$config)
+	{
+		if(!function_exists('sqlite_open'))
+			throw new TConfigurationException('SQLite extension required.');
+		if($this->_file===null)
+			throw new TConfigurationException('SQLite db file required.');
+		if(($fname=Prado::getPathOfNamespace($this->_file,self::DB_FILE_EXT))===null)
+			throw new TConfigurationException('SQLite db file invalid: '.$this->_file);
+		$error='';
+		if(($this->_db=new SQLiteDatabase($fname,0666,$error))===false)
+			throw new TConfigurationException('SQLite db connection failed: ',$error);
+		$res=$this->_db->query('SELECT * FROM sqlite_master WHERE tbl_name=\'tblBlogs\' AND type=\'table\'');
+		if($res===false || $res->numRows()===0 && $this->_db->query(self::DB_SCHEMA)===false)
+			throw new TConfigurationException('SQLite db table creation failed: '.sqlite_error_string(sqlite_last_error()));
+		$this->_initialized=true;
+	}
+
+	/**
+	 * @return string id of this module
+	 */
+	public function getID()
+	{
+		return $this->_id;
+	}
+
+	/**
+	 * @param string id of this module
+	 */
+	public function setID($value)
+	{
+		$this->_id=$value;
+	}
+
+	/**
+	 * @return string database file path (in namespace form)
+	 */
+	public function getDbFile()
+	{
+		return $this->_file;
+	}
+
+	/**
+	 * @param string database file path (in namespace form)
+	 * @throws TInvalidOperationException if the module is already initialized
+	 */
+	public function setDbFile($value)
+	{
+		if($this->_initialized)
+			throw new TInvalidOperationException('DbFile cannot be modified after the module is initialized.');
+		else
+			$this->_file=$value;
+	}
+
+	public function getBlogsByTime($time)
+	{
+	}
+}
+
+class Blog
+{
+	public $id;
+	public $title;
+	public $author;
+	public $content;
+	public $lastupdate;
+	public $comments;
+}
+
+class Comment
+{
+	public $id;
+	public $bid;
+	public $author;
+	public $content;
+	public $lastupdate;
+}
+
+?>
\ No newline at end of file
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