Add basket

source/lib/MediaListing/Basket.class.php

@@ -0,0 +1,104 @@
+<?php
+
+class MediaListing_Basket {
+    
+    const CONF_BasketContents = 'basket.contents';
+    
+    protected $items;
+    
+    protected $cached_total_size = null;
+    protected $source_prefixes = null;
+    
+    public function __construct() {
+        $this->items = array();
+        
+        $this->restoreSession();
+    }
+    
+    public function restoreSession() {
+        $session = MediaListing_Main::instance()->session();
+        if ($session->exists(static::CONF_BasketContents)) {
+            $this->items = $session->get(static::CONF_BasketContents);
+        }
+    }
+    
+    public function saveSession() {
+        $session = MediaListing_Main::instance()->session();
+        $session->set(static::CONF_BasketContents, $this->items);
+    }
+    
+    public function addItems($items) {
+        if ( ! is_array($items)) {
+            $items = array($items);
+        }
+        
+        $this->items = array_merge($this->items, $items);
+        $this->saveSession();
+    }
+    
+    public function getItems() {
+        return $this->items;
+    }
+    
+    public function clear() {
+        $this->items = array();
+        $this->saveSession();
+    }
+    
+    public function removeItems($items) {
+        if ( ! is_array($items)) {
+            $items = array($items);
+        }
+        
+        $this->items = array_values(array_diff($this->items, $items));
+        $this->saveSession();
+    }
+    
+    public function count() {
+        return count($this->items);
+    }
+    
+    public function contains($item) {
+        return in_array($item, $this->items);
+    }
+    
+    protected function loadSourcePrefixes() {
+        if ($this->source_prefixes !== null) {
+            return;
+        }
+        
+        $config = MediaListing_Main::instance()->config();
+        $sources = $config->get('sources');
+        $this->source_prefixes = array();
+        foreach ($sources as $source_path) {
+            list($name, $path) = explode(':', $source_path);
+            $this->source_prefixes[$name] = $path;
+        }
+
+    }
+    
+    public function size($item) {
+        $this->loadSourcePrefixes();
+        
+        list($source,$path) = explode(':', $item);
+        return MediaListing_Main::recursiveFilesize($this->source_prefixes[$source] . '/' . $path);
+    }
+    
+    public function totalSize() {
+        if ($this->cached_total_size === null) {
+            $this->cached_total_size = 0;
+            
+            $this->loadSourcePrefixes();
+            foreach ($this->items as $item_path) {
+                list($source,$path) = explode(':', $item_path);
+                
+                $this->cached_total_size += MediaListing_Main::recursiveFilesize($this->source_prefixes[$source] . '/' . $path);
+            }
+        }
+        
+        return $this->cached_total_size;
+    }
+    
+}
+
+?>

source/lib/MediaListing/Main.class.php

@@ -11,24 +11,30 @@ class MediaListing_Main extends SihnonFramework_Main {
 
     protected $smarty;
     protected $request;
+    protected $basket;
 
     protected function __construct() {
         parent::__construct();
+    }
+    
+    public function init() {
+        parent::init();
         
         $request_string = isset($_GET['l']) ? $_GET['l'] : '';
-        
         $this->request  = new MediaListing_RequestParser($request_string, $this->template_dir, $this->template_code_dir);
         
+        $this->basket = new MediaListing_Basket();
+        
         if (ML_File == 'index') {
             $this->smarty = new Smarty();
             $this->smarty->template_dir = $this->template_dir;
             $this->smarty->compile_dir  = '../private/tmp/templates';
             $this->smarty->cache_dir    = '../private/tmp/cache';
             $this->smarty->config_dir   = '../private/tmp/config';
-    
+        
             $this->smarty->registerPlugin('modifier', 'formatDuration', array('MediaListing_Main', 'formatDuration'));
             $this->smarty->registerPlugin('modifier', 'formatFilesize', array('MediaListing_Main', 'formatFilesize'));
-
+        
             $this->smarty->assign('title', 'Media Listing');
             $this->smarty->assign('version', '0.1');
             $this->smarty->assign('messages', array());
@@ -62,6 +68,14 @@ class MediaListing_Main extends SihnonFramework_Main {
         return $this->request;
     }
     
+    /**
+     * 
+     * @return MediaListing_Basket
+     */
+    public function basket() {
+        return $this->basket;
+    }
+    
     
 }