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Minor restructuring, db class improvements

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This commit is contained in:
Timothy Warren 2012-01-05 16:31:50 -05:00
parent 656fc8cba0
commit 42ffdd0ad9
5 changed files with 147 additions and 93 deletions
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7
index.php
View File

@ -20,3 +20,10 @@ require(APP_PATH.'config/config.php');
// Require the most important files
require(SYS_PATH . "common.php");
//Set error handlers
register_shutdown_function('shutdown');
set_error_handler('on_error');
set_exception_handler('on_exception');
// And away we go!
route();

30
sys/common.php
View File

@ -32,6 +32,8 @@ TXT;
}
}
// --------------------------------------------------------------------------
/**
* Function to search through the tree to find the necessary file
*
@ -124,6 +126,24 @@ function on_exception($exception)
// --------------------------------------------------------------------------
/**
* Utility function to check if a variable is set, and is an array or object
*
* @param mixed $var
* @return bool
*/
function is_like_array(&$var)
{
if( ! isset($var))
{
return FALSE;
}
return (is_array($var) OR is_object($var)) && ( ! empty($var));
}
// --------------------------------------------------------------------------
/**
* General 404 function
*/
@ -315,7 +335,7 @@ function route()
*/
function site_url($segment)
{
return $url = BASE_URL . URL_INDEX_FILE . $segment;
return $url = BASEURL . URL_INDEX_FILE . $segment;
}
// --------------------------------------------------------------------------
@ -358,18 +378,10 @@ function do_curl($url, $options=array())
// --------------------------------------------------------------------------
//Set error handlers
register_shutdown_function('shutdown');
set_error_handler('on_error');
set_exception_handler('on_exception');
// Load Most Common libraries
require_once('miniMVC.php');
require_once('output.php');
require_once('page.php');
require_once('db.php');
//Route to the appropriate function
route();
// End of common.php

98
sys/db.php
View File

@ -12,7 +12,7 @@ class db extends PDO {
if ( ! isset(self::$instance[$dbname]))
{
//echo 'Creating new instance of db class.';
self::$instance[$dbname] = new db($dbname);
self::$instance[$dbname] = new db($dbname, $options);
}
return self::$instance[$dbname];
@ -20,11 +20,22 @@ class db extends PDO {
function __construct($dbname="default", $options=array())
{
//Include the database config file
require(APP_PATH . 'config/db.php');
// Include the database config file
require(APP_PATH.'config/db.php');
// Get the correct database in the config file
if(is_like_array($db_conf[$dbname]))
{
// Array manipulation is too verbose
extract($db_conf[$dbname]);
}
else
{
// Apparently the database doesn't exist
$this->get_last_error();
trigger_error("Database does not exist", E_USER_ERROR);
die();
}
// Sqlite doesn't use dbname param
$dsn = (stripos($type, "sqlite") === FALSE) ? "{$type}:dbname={$db}" : "{$type}:{$db}";
@ -48,8 +59,7 @@ class db extends PDO {
}
$opts = array(
//PDO::ATTR_PERSISTENT => (isset($persist)) ? $persist : FALSE,
//PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
);
if( ! isset($persist))
@ -57,11 +67,20 @@ class db extends PDO {
unset($opts[PDO::ATTR_PERSISTENT]);
}
$options = array_merge($opts, $options);
$options = $opts + $options;
try
{
parent::__construct($dsn, $user, $pass, $options);
}
catch(Exception $e)
{
if($e->getMessage() !== "The auto-commit mode cannot be changed for this driver")
{
get_last_error();
}
}
self::$instance[$dbname] =& $this;
}
// --------------------------------------------------------------------------
@ -139,49 +158,52 @@ class db extends PDO {
// --------------------------------------------------------------------------
/**
* Constructor without the "new"
* Simplifies prepared statements for database queries
*
* @param array $members
* @param string $sql
* @param array $data
* @return mixed PDOStatement / FALSE
*/
/*function __invoke($db="default")
function prepare_query($sql, $data)
{
return self::get_instance($db);
// Prepare the sql
$query = $this->prepare($sql);
if( ! is_like_array($query))
{
$this->get_last_error();
return FALSE;
}
function start_transaction()
// Set the statement in the class variable for easy later access
$this->statement =& $query;
if( ! is_like_array($data))
{
if( ! $this->inTransaction())
trigger_error("Invalid data argument");
return FALSE;
}
// Bind the parameters
foreach($data as $placeholder => $value)
{
return $this->beginTransaction();
$res = $query->bindParam($placeholder, $value);
if( ! $res)
{
trigger_error("Parameter not successfully bound");
return FALSE;
}
}
function commit()
{
if($this->inTransaction())
{
return parent::commit();
}
return $query;
}
function rollback()
{
if($this->inTransaction())
{
return parent::rollBack();
}
}
function prepare($sql, $driver_options=array())
{
$this->statement = parent::prepare($sql, $driver_options);
return $this->statement;
}
function set()
{
}*/
// --------------------------------------------------------------------------
/**
* Returns the last error from the database

26
sys/miniMVC.php
View File

@ -56,37 +56,40 @@ class JSObject {
* @return string
*/
function __toString()
{
// 32762 == (E_ALL|E_NOTICE|E_STRICT) & ~(E_ERROR | E_PARSE)
if(ini_get('error_reporting') == 32762)
{
$args = func_get_args();
$method = ( ! empty($args)) ? $args[0] : "print_r";
$data = (isset($args[1])) ? $args[1] : array();
// 32762 == (E_ALL|E_NOTICE|E_STRICT) & ~(E_ERROR | E_PARSE)
if(ini_get('error_reporting') == 32762 && empty($data))
{
$data =& $this;
}
$output = '<pre>';
if($method == "var_dump")
{
ob_start();
var_dump($this);
var_dump($data);
$output .= ob_get_contents();
ob_end_clean();
}
else if($method == "var_export")
{
ob_start();
var_export($this);
var_export($data);
$output .= ob_get_contents();
ob_end_clean();
}
else
{
$output .= print_r($this, TRUE);
$output .= print_r($data, TRUE);
}
return $output . '</pre>';
}
}
/**
* PHP magic method to facilitate dynamic class loading
@ -353,12 +356,15 @@ class MM_Controller extends miniMVC {
$path = MOD_PATH . "{$module}/models/{$file}.php";
}
if(is_file($path))
{
require_once($path);
}
if( ! empty($args))
{
$this->$file = new $file(extract($args));
$this->$file = new $file($args);
}
else
{
@ -379,9 +385,9 @@ class MM_Model extends miniMVC {
/**
* Adds the database class to the current model class
*/
function load_db($name)
function load_db($name="default")
{
$this->db = new db($name);
$this->db = db::get_instance($name);
}
}

15
sys/output.php
View File

@ -1,5 +1,8 @@
<?php
/**
* Class for content output
*/
class Output extends miniMVC {
private $buffer, $headers;
@ -10,6 +13,8 @@ class Output extends miniMVC {
$this->headers = array();
}
// --------------------------------------------------------------------------
/**
* PHP magic method called when ending the script
* Used for outputing HTML
@ -39,12 +44,10 @@ class Output extends miniMVC {
echo $this->buffer;
ob_end_flush();
}
else
{
echo "No page content";
}
}
// --------------------------------------------------------------------------
/**
* Sets a header for later output
* @param string $key
@ -55,6 +58,8 @@ class Output extends miniMVC {
$this->headers[$key] = $val;
}
// --------------------------------------------------------------------------
/**
* Adds text to the output buffer
*
@ -65,6 +70,8 @@ class Output extends miniMVC {
$this->buffer .= $string;
}
// --------------------------------------------------------------------------
/**
* Sets the output buffer
*