From 7e008c077b9f854cba369571b17eddc8b64215f9 Mon Sep 17 00:00:00 2001
From: Alexander Demidov <dimti@bk.ru>
Date: Mon, 10 Jun 2013 16:46:29 +0400
Subject: [PATCH] Add feature - save original image. Allow create empty
 instance of ImageCollection.

---
 Image.class.php           |  4 ++--
 ImageCollection.class.php | 44 +++++++++++++++++++++++++++++++++-----------
 Upload.class.php          | 27 +++++++++++++++++++++++----
 3 files changed, 58 insertions(+), 17 deletions(-)

diff --git a/Image.class.php b/Image.class.php
index 2dfdbf0..8a13e49 100644
--- a/Image.class.php
+++ b/Image.class.php
@@ -10,7 +10,7 @@ class Image extends File
     public $original_filename;
     public $variants = array();
 
-    protected $sizes;
+    protected static $sizes;
 
     /**
      * @param $class string
@@ -31,7 +31,7 @@ class Image extends File
 
     public function getSizes()
     {
-        return $this->sizes;
+        return self::$sizes;
     }
 
     public function getVariant($size)
diff --git a/ImageCollection.class.php b/ImageCollection.class.php
index b622041..82fa15e 100644
--- a/ImageCollection.class.php
+++ b/ImageCollection.class.php
@@ -8,27 +8,49 @@ abstract class ImageCollection extends ArrayIterator
     protected $class;
 
     /**
-     * @param array $data
+     * @param array|null $data
      * @throws ErrorException
      */
-    public function __construct($data)
+    public function __construct($data = null)
     {
         /**
          * @var $class Image
          */
         $class = $this->class;
         Image::checkSubClass($class);
-        if (is_null($data) || $data == '') {
-            throw new ErrorException('Empty data.');
-        }
-        if (!is_array($data)) {
-            $data = json_decode($data, true);
-            if (json_last_error() != JSON_ERROR_NONE) {
-                throw new ErrorException('Unable to convert json-string to array.');
+        if (!is_null($data) && $data != '') {
+            if (!is_array($data)) {
+                $data = json_decode($data, true);
+                if (json_last_error() != JSON_ERROR_NONE) {
+                    ErrorMessage::log('Unable to convert json-string to array.');
+                    return;
+                }
+            }
+            if (!isset($data['order']) || !isset($data['files'])) {
+                ErrorMessage::log('Incorrect format for create ImageCollection.');
+                return;
+            }
+            foreach ($data['order'] as $original_filename) {
+                if (!isset($data['files'][$original_filename])) {
+                    ErrorMessage::log('Unable to fetch image "' . $original_filename . '" from ImageCollection.');
+                    continue;
+                }
+                $this->append($class::getInstance($data['files'][$original_filename]));
             }
         }
-        foreach ($data as $item_data) {
-            $this->append($class::getInstance($item_data));
+        return;
+    }
+
+    public function __toString()
+    {
+        $image_collection = array(
+            'order' => array(),
+            'files' => array()
+        );
+        foreach ((array)$this as $image) {
+            $image_collection['order'][] = $image->original_filename;
+            $image_collection['files'][$image->original_filename] = (string)$image;
         }
+        return json_encode($image_collection);
     }
 }
\ No newline at end of file
diff --git a/Upload.class.php b/Upload.class.php
index 88f9596..788e757 100644
--- a/Upload.class.php
+++ b/Upload.class.php
@@ -2,12 +2,19 @@
 
 abstract class Upload
 {
-    const PATH_ROOT = '/var/www/10ballov/face/htdocs';
+    const PATH_WEB_ROOT = '/var/www/10ballov/face/htdocs';
+
+    protected static $dir_image_cache = '/media/cache/images';
+
+    protected static $dir_image_originals = '/media/original';
+
+    const SAVE_ORIGINAL_IMAGE = 1;
+
     public static function getGreagwarImage($file_path)
     {
         require_once PATH . '/lib/GreagwarImage/GreagwarImage.php';
         $greagwar_image = new GreagwarImage($file_path);
-        $greagwar_image->setCacheDir(self::PATH_ROOT . '/media/cache/images');
+        $greagwar_image->setCacheDir(self::PATH_WEB_ROOT . self::$dir_image_cache);
         return $greagwar_image;
     }
     /**
@@ -25,7 +32,19 @@ abstract class Upload
         Image::checkSubClass($class);
         $image = new $class;
         $image->original_filename = $file['name'];
+
         $greagwar_image = self::getGreagwarImage($file['tmp_name']);
+        if (self::SAVE_ORIGINAL_IMAGE) {
+            $path_for_save_original = self::PATH_WEB_ROOT . self::$dir_image_originals . DIRECTORY_SEPARATOR . $class;
+            if (!file_exists($path_for_save_original)) {
+                mkdir($path_for_save_original);
+                chmod($path_for_save_original, 0777);
+            }
+            $basename = $image->original_filename . '_' . md5(uniqid($image->original_filename, true));
+            $extension = mb_substr($image->original_filename, mb_strrpos($image->original_filename, '.') + 1);
+            $extension = mb_strtolower($extension);
+            copy($file['tmp_name'], $path_for_save_original . DIRECTORY_SEPARATOR . $basename . '.' . $extension);
+        }
         self::saveImage($image, $greagwar_image);
         if ($force_create_variants) {
             $sizes = $image->getSizes();
@@ -38,7 +57,7 @@ abstract class Upload
     }
 
     /**
-     * @param $image ImageVariant
+     * @param $image ImageVariant|Image
      * @param $greagwar_image GreagwarImage
      * @param null $width
      * @param null $height
@@ -54,7 +73,7 @@ abstract class Upload
         $file_path = $greagwar_image->cacheFile($image->type, 87, true);
         $image->size = filesize($file_path);
         $path_parts = pathinfo($file_path);
-        $image->path = preg_replace('#^' . self::PATH_ROOT . '/#', '', $path_parts['dirname']);
+        $image->path = preg_replace('#^' . self::PATH_WEB_ROOT . '/#', '', $path_parts['dirname']);
         $image->filename = $path_parts['basename'];
         $image->width = $greagwar_image->width();
         $image->height = $greagwar_image->height();