Merge pull request #1 from gevorgmelkumyan/development

Development

.gitignore

@@ -1 +1,3 @@
 .idea
+
+/vendor/

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 <Gevorg Melkumyan>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

composer.json

@@ -0,0 +1,20 @@
+{
+    "name": "gevorgmelkumyan/image-file",
+    "description": "The lib contains ImageFile class that allows to create and save image files provided by base64 formatted strings\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[D\u001b[C\u001b[C\u001b[C\u001b[C\u001bencoded strings.",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Gevorg Melkumyan",
+            "email": "[email protected]"
+        }
+    ],
+    "require": {
+        "php": ">=7.1.0"
+    },
+    "autoload": {
+        "psr-0": {
+            "GM": "src/"
+        }
+    }
+}

examples/.gitignore

@@ -0,0 +1,3 @@
+*
+!.gitignore
+!example.php

src/Error.php

@@ -1,8 +1,9 @@
 <?php
 
-namespace GM\ImageFile;
+namespace GM;
 
 class Error {
 
     const WRONG_FORMAT = 'The format of base64 encoded file is not an image.';
+    const FILESTREAM_ERROR = 'Something went wrong when saving the file.';
 }

src/ImageFile.php

@@ -1,16 +1,15 @@
 <?php
 
-namespace GM\ImageFile;
+namespace GM;
 
 use \Exception;
-use \Error;
 
 class ImageFile {
 
-    private $base64String;
-    private $imageFileString;
-    private $defaultPath;
-    private $type;
+    protected $base64String;
+    protected $imageFileString;
+    protected $defaultPath;
+    protected $type;
 
     /**
      * ImageFile constructor.
@@ -27,18 +26,18 @@ public function __construct(string $base64String) {
         $content = explode(';base64,', $base64WithoutDataType[1]);
 
         if ($content === false) {
-            throw new Exception(Error::WRONG_IMAGE_FORMAT);
+            throw new Exception(Error::WRONG_FORMAT);
         }
 
         $this->type = $content[0];
         $this->base64String = $content[1];
         $this->imageFileString = base64_decode($this->base64String);
 
         if ($this->imageFileString === false) {
-            throw new Exception(Error::WRONG_IMAGE_FORMAT);
+            throw new Exception(Error::WRONG_FORMAT);
         }
 
-        $this->defaultPath = '/images';
+        $this->defaultPath = '';
     }
 
     /**
@@ -53,12 +52,17 @@ public function getImageString() : string {
     /**
      * Store the image to the storage given by $path and give him a random name started by $prefix.
      *
-     * @param null|string $path format: 'path/to/the/folder', default path: '/images'
+     * @param null|string $path
+     * format: 'path/to/my/folder/', default: ''
      * @param null|string $prefix
+     * @param null|string $storageUrl
+     * format: 'http{s}://mysite.com/storage/'
+     * The function returns url to the image if this parameter is set.
+     * Otherwise, it returns the full path to the image.
      * @return null|string
      * @throws Exception
      */
-    public function store(?string $path, ?string $prefix) : ?string {
+    public function store(?string $path = null, ?string $prefix = null, ?string $storageUrl = null) : ?string {
 
         $fileName = uniqid($prefix ?? 'IM') . '.' . $this->type;
         $fullPath = ($path ?? $this->defaultPath) . $fileName;
@@ -75,15 +79,23 @@ public function store(?string $path, ?string $prefix) : ?string {
 
         fclose($fileStream);
 
+        if ($storageUrl) {
+            return $storageUrl . $fileName;
+        }
+
         return $fullPath;
     }
 
-    private function validateBase64String(string $base64String) : void {
+    /**
+     * @param string $base64String
+     * @throws Exception
+     */
+    protected function validateBase64String(string $base64String) : void {
 
         if (strpos($base64String, 'data:image/') === false ||
             strpos($base64String, ';base64,') === false) {
 
-            throw new Exception(Error::WRONG_IMAGE_FORMAT);
+            throw new Exception(Error::WRONG_FORMAT);
         }
     }