new way of showing gallery covers, missing files

apps/gallery/ajax/getAlbums.php

@@ -11,7 +11,7 @@ while ($r = $result->fetchRow()) {
   $album_name = $r['album_name'];
   $stmt = OC_DB::prepare('SELECT * FROM *PREFIX*gallery_photos WHERE `album_id` = ?');
   $tmp_res = $stmt->execute(array($r['album_id']));
-  $a[] = array('name' => $album_name, 'numOfItems' => min($tmp_res->numRows(), 10));
+  $a[] = array('name' => $album_name, 'numOfItems' => min($tmp_res->numRows(), 10), 'bgPath' => OC::$WEBROOT.'/data/'.OC_User::getUser().'/gallery/'.$album_name.'.png');
 }
 
 OC_JSON::success(array('albums'=>$a));

apps/gallery/ajax/scanForAlbums.php

@@ -5,6 +5,7 @@ OC_JSON::checkLoggedIn();
 OC_JSON::checkAppEnabled('gallery');
 require_once('../lib_scanner.php');
 
+OC_GALLERY_SCANNER::cleanUp();
 OC_JSON::success(array('albums' => OC_GALLERY_SCANNER::scan('')));
 //OC_JSON::success(array('albums' => array(array('name' => 'test', 'imagesCount' => 1, 'images' => array('dupa')))));
 

apps/gallery/index.php

@@ -5,6 +5,12 @@ OC_Util::checkLoggedIn();
 OC_Util::checkAppEnabled('gallery');
 OC_App::setActiveNavigationEntry( 'gallery_index' );
 
+if (!file_exists(OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/gallery')) {
+  mkdir(OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/gallery');
+  $f = fopen(OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/gallery/.htaccess', 'w');
+  fwrite($f, "allow from all");
+  fclose($f);
+}
 
 if (!isset($_GET['view'])) {
   $stmt = OC_DB::prepare('SELECT * FROM *PREFIX*gallery_albums WHERE uid_owner = ?');

apps/gallery/js/album_cover.js

@@ -4,7 +4,7 @@ $(document).ready(function() {
     if (r.status == 'success') {
       for (var i in r.albums) {
         var a = r.albums[i];
-        Albums.add(a.name, a.numOfItems);
+        Albums.add(a.name, a.numOfItems, a.bgPath);
       }
       var targetDiv = document.getElementById('gallery_list');
       if (targetDiv) {

apps/gallery/js/albums.js

@@ -12,13 +12,13 @@ Albums={
   // album with the same name wont be insered,
   // and false will be returned
   // true on success
-  add: function(album_name, num) {
+  add: function(album_name, num, bgPath) {
     for (var a in Albums.albums) {
       if (a.name == album_name) {
         return false;
       }
     }
-    Albums.albums.push({name: album_name, numOfCovers: num});
+    Albums.albums.push({name: album_name, numOfCovers: num, backgroundPath: bgPath});
     return true;
   },
   // remove element with given name
@@ -63,7 +63,7 @@ Albums={
       var local = $(displayTemplate.replace(/\*NAME\*/g, a.name));
       local.css('background-repeat', 'no-repeat');
       local.css('background-position', '0 0');
-      local.css('background-image','url("ajax/getCovers.php?album_name='+a.name+'")');
+      local.css('background-image','url("'+a.backgroundPath+'")');
       local.mousemove(function(e) {
         var albumMetadata = Albums.find(this.title);
         if (albumMetadata == undefined) {

apps/gallery/lib_scanner.php

@@ -1,6 +1,7 @@
 <?php
 
 require_once('base.php'); // base lib
+require_once('lib/images_utils.php');
 
 class OC_GALLERY_SCANNER {
 
@@ -10,6 +11,13 @@ class OC_GALLERY_SCANNER {
     return $albums;
   }
 
+  public static function cleanUp() {
+    $stmt = OC_DB::prepare('DELETE FROM *PREFIX*gallery_albums');
+    $stmt->execute(array());
+    $stmt = OC_DB::prepare('DELETE FROM *PREFIX*gallery_photos');
+    $stmt->execute(array());
+  }
+
   public static function scanDir($path, &$albums) {
     $current_album = array('name'=> $path, 'imagesCount' => 0, 'images' => array());
     $current_album['name'] = str_replace('/', '.', str_replace(OC::$CONFIG_DATADIRECTORY, '', $current_album['name']));
@@ -24,7 +32,7 @@ class OC_GALLERY_SCANNER {
         } elseif (self::isPhoto($path.'/'.$filename)) {
           $current_album['images'][] = $filepath;
         }
-      } 
+      }
     }
     $current_album['imagesCount'] = count($current_album['images']);
     $albums[] = $current_album;
@@ -46,6 +54,18 @@ class OC_GALLERY_SCANNER {
         $stmt->execute(array($albumId, $img));
       }
     }
+    if (count($current_album['images'])) {
+      self::createThumbnail($current_album['name'],$current_album['images']);
+    }
+  }
+
+  public static function createThumbnail($albumName, $files) {
+    $file_count = min(count($files), 10);
+    $thumbnail = imagecreatetruecolor($file_count*200, 200);
+    for ($i = 0; $i < $file_count; $i++) {
+      CroppedThumbnail(OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/files/'.$files[$i], 200, 200, $thumbnail, $i*200);
+    }
+    imagepng($thumbnail, OC_Config::getValue("datadirectory").'/'. OC_User::getUser() .'/gallery/' . $albumName.'.png');
   }
 
   public static function isPhoto($filename) {