MAGETWO-21072: Entry point responsiveness

- added abillity to publicate symlinks

Author: dkvashninbay

lib/internal/Magento/Framework/App/StaticResource.php

@@ -30,7 +30,7 @@ class StaticResource implements \Magento\Framework\AppInterface
     private $request;
 
     /**
-     * @var \Magento\Framework\App\View\Asset\Publisher
+     * @var View\Asset\Publisher\Symlink
      */
     private $publisher;
 
@@ -62,7 +62,7 @@ class StaticResource implements \Magento\Framework\AppInterface
      * @param State $state
      * @param Response\FileInterface $response
      * @param Request\Http $request
-     * @param \Magento\Framework\App\View\Asset\Publisher $publisher
+     * @param View\Asset\Publisher\Symlink $publisher
      * @param \Magento\Framework\View\Asset\Repository $assetRepo
      * @param \Magento\Framework\Module\ModuleList $moduleList
      * @param \Magento\Framework\ObjectManagerInterface $objectManager
@@ -73,7 +73,7 @@ public function __construct(
         State $state,
         Response\FileInterface $response,
         Request\Http $request,
-        View\Asset\Publisher $publisher,
+        View\Asset\Publisher\Symlink $publisher,
         \Magento\Framework\View\Asset\Repository $assetRepo,
         \Magento\Framework\Module\ModuleList $moduleList,
         \Magento\Framework\ObjectManagerInterface $objectManager,

lib/internal/Magento/Framework/App/View/Asset/Publisher.php

@@ -8,6 +8,7 @@
 
 use Magento\Framework\App\Filesystem\DirectoryList;
 use Magento\Framework\View\Asset;
+use Magento\Framework\Filesystem\Directory\WriteInterface;
 
 /**
  * A publishing service for view assets
@@ -41,28 +42,33 @@ public function __construct(
      */
     public function publish(Asset\LocalInterface $asset)
     {
-        if ($this->appState->getMode() === \Magento\Framework\App\State::MODE_DEVELOPER) {
-            return false;
-        }
         $dir = $this->filesystem->getDirectoryRead(DirectoryList::STATIC_VIEW);
         if ($dir->isExist($asset->getPath())) {
             return true;
         }
-        return $this->publishAsset($asset);
+
+        $rootDir = $this->filesystem->getDirectoryWrite(DirectoryList::ROOT);
+        $source = $rootDir->getRelativePath($asset->getSourceFile());
+
+        return $this->publishFile(
+            $rootDir,
+            $source,
+            $asset->getPath(),
+            $this->filesystem->getDirectoryWrite(DirectoryList::STATIC_VIEW)
+        );
     }
 
     /**
-     * Publish the asset
+     * Publish file
      *
-     * @param Asset\LocalInterface $asset
+     * @param WriteInterface $rootDir
+     * @param string $source
+     * @param string $destination
+     * @param WriteInterface $dir
      * @return bool
      */
-    private function publishAsset(Asset\LocalInterface $asset)
+    protected function publishFile($rootDir, $source, $destination, $dir)
     {
-        $dir = $this->filesystem->getDirectoryWrite(DirectoryList::STATIC_VIEW);
-        $rootDir = $this->filesystem->getDirectoryWrite(DirectoryList::ROOT);
-        $source = $rootDir->getRelativePath($asset->getSourceFile());
-        $destination = $asset->getPath();
         return $rootDir->copyFile($source, $destination, $dir);
     }
 }

lib/internal/Magento/Framework/App/View/Asset/Publisher/Symlink.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Framework\App\View\Asset\Publisher;
+
+use Magento\Framework\Filesystem\Directory\WriteInterface;
+
+use Magento\Framework\App\View\Asset;
+
+class Symlink extends Asset\Publisher
+{
+    /**
+     * Publish file
+     *
+     * @param WriteInterface $rootDir
+     * @param string $source
+     * @param string $destination
+     * @param WriteInterface $dir
+     * @return bool
+     */
+    protected function publishFile($rootDir, $source, $destination, $dir)
+    {
+        return $rootDir->createSymlink($source, $destination, $dir);
+    }
+}

lib/internal/Magento/Framework/Filesystem/Directory/Write.php

@@ -129,6 +129,29 @@ public function copyFile($path, $destination, WriteInterface $targetDirectory =
         return $this->driver->copy($absolutePath, $absoluteDestination, $targetDirectory->driver);
     }
 
+    /**
+     * Creates symlink on a file and places it to destination
+     *
+     * @param string $path
+     * @param string $destination
+     * @param WriteInterface $targetDirectory [optional]
+     * @return bool
+     * @throws \Magento\Framework\Filesystem\FilesystemException
+     */
+    public function createSymlink($path, $destination, WriteInterface $targetDirectory = null)
+    {
+        $this->assertIsFile($path);
+
+        $targetDirectory = $targetDirectory ?: $this;
+        if (!$targetDirectory->isExist($this->driver->getParentDirectory($destination))) {
+            $targetDirectory->create($this->driver->getParentDirectory($destination));
+        }
+        $absolutePath = $this->driver->getAbsolutePath($this->path, $path);
+        $absoluteDestination = $targetDirectory->getAbsolutePath($destination);
+
+        return $this->driver->symlink($absolutePath, $absoluteDestination, $targetDirectory->driver);
+    }
+
     /**
      * Delete given path
      *

lib/internal/Magento/Framework/Filesystem/Directory/WriteInterface.php

@@ -47,6 +47,17 @@ public function renameFile($path, $newPath, WriteInterface $targetDirectory = nu
      */
     public function copyFile($path, $destination, WriteInterface $targetDirectory = null);
 
+    /**
+     * Creates symlink on a file and places it to destination
+     *
+     * @param string $path
+     * @param string $destination
+     * @param WriteInterface $targetDirectory [optional]
+     * @return bool
+     * @throws \Magento\Framework\Filesystem\FilesystemException
+     */
+    public function createSymlink($path, $destination, WriteInterface $targetDirectory = null);
+
     /**
      * Change permissions of given path
      *

lib/internal/Magento/Framework/Filesystem/Driver/File.php

@@ -284,6 +284,34 @@ public function copy($source, $destination, DriverInterface $targetDriver = null
         return $result;
     }
 
+    /**
+     * Create symlink on source and place it into destination
+     *
+     * @param string $source
+     * @param string $destination
+     * @param DriverInterface|null $targetDriver
+     * @return bool
+     * @throws FilesystemException
+     */
+    public function symlink($source, $destination, DriverInterface $targetDriver = null)
+    {
+        $result = false;
+        if (get_class($targetDriver) == get_class($this)) {
+            $result = @symlink($this->getScheme() . $source, $destination);
+        }
+        if (!$result) {
+            throw new FilesystemException(
+                sprintf(
+                    'Cannot create a symlink for "%s" and place it to "%s" %s',
+                    $source,
+                    $destination,
+                    $this->getWarningMessage()
+                )
+            );
+        }
+        return $result;
+    }
+
     /**
      * Delete file
      *

lib/internal/Magento/Framework/Filesystem/DriverInterface.php

@@ -144,6 +144,17 @@ public function rename($oldPath, $newPath, DriverInterface $targetDriver = null)
      */
     public function copy($source, $destination, DriverInterface $targetDriver = null);
 
+    /**
+     * Create symlink on source and place it into destination
+     *
+     * @param string $source
+     * @param string $destination
+     * @param DriverInterface|null $targetDriver
+     * @return bool
+     * @throws FilesystemException
+     */
+    public function symlink($source, $destination, DriverInterface $targetDriver = null);
+
     /**
      * Delete file
      *