Adding delete to ParseFile.

Author: Fosco Marotto

.gitignore

@@ -1,2 +1,3 @@
 .idea
-
+vendor/
+composer.lock

src/Parse/ParseClient.php

@@ -357,4 +357,4 @@ public static function getProperDateFormat($value)
     return $date;
   }
 
-}
+}

src/Parse/ParseFile.php

@@ -68,6 +68,32 @@ public function getName()
     return $this->name;
   }
 
+  /**
+   * Send a REST request to delete the ParseFile
+   *
+   * @throws ParseException
+   */
+  public function delete()
+  {
+    if (!$this->url) {
+      throw new ParseException("Cannot delete file that has not been saved.");
+    }
+
+    $headers = ParseClient::_getRequestHeaders(null, true);
+    $url = ParseClient::HOST_NAME . '/1/files/' . $this->getName();
+    $rest = curl_init();
+    curl_setopt($rest, CURLOPT_URL, $url);
+    curl_setopt($rest, CURLOPT_CUSTOMREQUEST, "DELETE");
+    curl_setopt($rest, CURLOPT_RETURNTRANSFER, 1);
+    curl_setopt($rest, CURLOPT_HTTPHEADER, $headers);
+    $response = curl_exec($rest);
+    $contentType = curl_getinfo($rest, CURLINFO_CONTENT_TYPE);
+    if (curl_errno($rest)) {
+      throw new ParseException(curl_error($rest), curl_errno($rest));
+    }
+    curl_close($rest);
+  }
+
   /**
    * Return the mimeType for the file, if set.
    *
@@ -207,6 +233,10 @@ private function download()
     if (curl_errno($rest)) {
       throw new ParseException(curl_error($rest), curl_errno($rest));
     }
+    $httpStatus = curl_getinfo($rest, CURLINFO_HTTP_CODE);
+    if ($httpStatus > 399) {
+      throw new ParseException("Download failed, file may have been deleted.", $httpStatus);
+    }
     $this->mimeType = curl_getinfo($rest, CURLINFO_CONTENT_TYPE);
     $this->data = $response;
     curl_close($rest);
@@ -412,4 +442,4 @@ private function getMimeTypeForExtension($extension)
     return 'unknown/unknown';
   }
 
-}
+}

tests/ParseFileTest.php

@@ -123,4 +123,20 @@ public function testUnsavedFileOnObjectSave()
     $this->assertEquals($contents, $contentsAgain);
   }
 
+  public function testFileDelete()
+  {
+    $data = "c-c-c-combo breaker";
+    $name = "php.txt";
+    $file = ParseFile::createFromData($data, $name);
+    $file->save();
+    $url = $file->getURL();
+    $fileAgain = ParseFile::_createFromServer($name, $url);
+    $contents = $fileAgain->getData();
+    $this->assertEquals($data, $contents);
+    $file->delete();
+    $fileAgain = ParseFile::_createFromServer($name, $url);
+    $this->setExpectedException('Parse\ParseException', 'Download failed');
+    $contents = $fileAgain->getData();
+  }
+
 }