Added source browser

Added a SourceLister class, which enumerates all DVD folders below a given starting directory.
Added a source browse page to list the available sources

HandBrakeCluster/Exceptions.class.php

@@ -2,16 +2,18 @@
 
 class HandBrakeCluster_Exception extends Exception {};
 
-class HandBrakeCluster_Exception_DatabaseConfigMissing extends HandBrakeCluster_Exception {};
-class HandBrakeCluster_Exception_DatabaseConnectFailed extends HandBrakeCluster_Exception {};
-class HandBrakeCluster_Exception_NoDatabaseConnection  extends HandBrakeCluster_Exception {};
-class HandBrakeCluster_Exception_DatabaseQueryFailed   extends HandBrakeCluster_Exception {};
-class HandBrakeCluster_Exception_ResultCountMismatch   extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_DatabaseConfigMissing  extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_DatabaseConnectFailed  extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_NoDatabaseConnection   extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_DatabaseQueryFailed    extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_ResultCountMismatch    extends HandBrakeCluster_Exception {};
 
-class HandBrakeCluster_Exception_UnknownSetting        extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_UnknownSetting         extends HandBrakeCluster_Exception {};
 
-class HandBrakeCluster_Exception_TemplateException     extends HandBrakeCluster_Exception {};
-class HandBrakeCluster_Exception_Unauthorized          extends HandBrakeCluster_Exception_TemplateException {};
-class HandBrakeCluster_Exception_FileNotFound          extends HandBrakeCluster_Exception_TemplateException {};
+class HandBrakeCluster_Exception_TemplateException      extends HandBrakeCluster_Exception {};
+class HandBrakeCluster_Exception_Unauthorized           extends HandBrakeCluster_Exception_TemplateException {};
+class HandBrakeCluster_Exception_FileNotFound           extends HandBrakeCluster_Exception_TemplateException {};
 
-?>
+class HandBrakeCluster_Exception_InvalidSourceDirectory extends HandBrakeCluster_Exception {};
+
+?>

HandBrakeCluster/Rips/SourceLister.class.php

@@ -0,0 +1,56 @@
+<?php
+
+class HandBrakeCluster_Rips_SourceLister {
+    
+    protected $base_directory;
+    protected $sources = array();
+
+    public function __construct($base_directory) {
+        $this->base_directory = $base_directory;
+        
+        $this->scan();
+    }
+    
+    public function scan() {
+        if (!is_dir($this->base_directory)) {
+            throw new HandBrakeCluster_Exception_InvalidSourceDir($this->base_directory);
+        }
+        
+        // Define a queue of directories to scan, starting with the base directory,
+        // and keep going until they have all been scanned
+        $scan_directories = array($this->base_directory);
+        while ($scan_directories) {
+            $dir = dir(array_shift($scan_directories));
+            
+            while (($entry = $dir->read()) !== false) {
+                if ($entry == '.' || $entry == '..') {
+                    continue;
+                }
+                
+                // Skip any non-directories
+                $source = $dir->path . DIRECTORY_SEPARATOR . $entry;
+                if (!is_dir($source)) {
+                    continue;
+                }
+                
+                // Accept this dir as a source if it contains a VIDEO_TS dir,
+                // otherwise add the dir to the queue to scan deeper
+                $source_vts = $source . DIRECTORY_SEPARATOR . 'VIDEO_TS';
+                if (is_dir($source_vts)) {
+                    $this->sources[] = $source_vts;
+                } else {
+                    $scan_directories[] = $source;
+                }
+            }
+            
+            $dir->close();
+        }
+    }
+    
+    public function sources() {
+        return $this->sources;
+    }
+    
+};
+
+?>

pages/browse/sources.php

@@ -0,0 +1,10 @@
+<?php
+
+$main = HandBrakeCluster_Main::instance();
+$config = $main->config();
+
+$lister = new HandBrakeCluster_Rips_SourceLister($config->get('rips.source_dir'));
+
+$this->smarty->assign('sources', $lister->sources());
+
+?>

templates/browse/sources.tpl

@@ -0,0 +1,16 @@
+<h2>Sources</h2>
+
+{if $sources}
+	<p>
+		The following DVD sources are available to be ripped:
+	</p>
+	<ul>
+		{foreach from=$sources item=source}
+			<li>{$source|escape:'html'}</li>
+		{/foreach}
+	</ul>
+{else}
+	<p>
+		<em>There are currently no DVD sources available to rip.</em>
+	</p>
+{/if}