added events for index generation and project loading

Author: mkusher

src/Application/HTTP/App.php

@@ -7,14 +7,15 @@
 use Command\ErrorCommand;
 use DI\Container;
 use Application\BaseApplication;
+use Symfony\Component\EventDispatcher\EventDispatcher;
 
 class App extends BaseApplication
 {
-
     public function __construct($noFsIO)
     {
         $this->router = new Router;
         parent::__construct($noFsIO);
+        $this->dispatcher = $this->container->get(EventDispatcher::class);
     }
     public function handle($request, $response, $data)
     {
@@ -25,7 +26,11 @@ public function handle($request, $response, $data)
     protected function getArguments($request, $response, $data)
     {
         $arguments = $this->parseQuery($request->getQuery(), $data);
-        $arguments["project"] = $this->loadProject($arguments);
+        $project = $this->loadProject($arguments);
+        $this->dispatcher->dispatch('project.load', new ProjectLoadEvent(
+            $project
+        ));
+        $arguments["project"] = $project;
         return $arguments;
     }
     protected function setResponseHeaders($response)
@@ -88,4 +93,6 @@ protected function createEmptyProject($rootDir)
         $project = new Project(new Index, $rootDir);
         return $project;
     }
+
+    private $dispatcher;
 }

src/Application/HTTP/ProjectLoadEvent.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Application\HTTP;
+
+use Symfony\Component\EventDispatcher\Event;
+
+class ProjectLoadEvent extends Event
+{
+    public function __construct($project)
+    {
+        $this->project = $project;
+    }
+
+    public $project;
+}

src/Entity/Index.php

@@ -5,7 +5,8 @@
 use Entity\Node\InterfaceData;
 use Entity\Node\ClassData;
 
-class Index {
+class Index
+{
     private $fqcns              = [];
     private $classes            = [];
     private $interfaces         = [];
@@ -15,14 +16,16 @@ class Index {
     private $implements         = [];
     private $parsedFiles        = [];
 
-    public function getFQCNs(){
+    public function getFQCNs()
+    {
         return $this->fqcns;
     }
 
     /**
      * @return FQCN
      */
-    public function findFQCNByFile($file){
+    public function findFQCNByFile($file)
+    {
         if(!array_key_exists($file, $this->flippedClassMap)){
             return null;
         }

src/Entity/Project.php

@@ -2,29 +2,51 @@
 
 namespace Entity;
 
-class Project{
+class Project
+{
     private $index;
     private $rootFolder;
+    private $plugins = [];
 
-    public function __construct(Index $index, $rootFolder = ""){
+    public function __construct(Index $index, $rootFolder = "")
+    {
         $this->index        = $index;
         $this->rootFolder   = $rootFolder;
     }
-    public function getRootFolder(){
+    public function getRootFolder()
+    {
         return $this->rootFolder;
     }
-    public function getRootDir(){
+    public function getRootDir()
+    {
         return $this->getRootFolder();
     }
 
     /**
      * Returns project's index
      * @return Index
      */
-    public function getIndex(){
+    public function getIndex()
+    {
         return $this->index;
     }
-    public function setIndex(Index $index){
+    public function setIndex(Index $index)
+    {
         $this->index = $index;
     }
+    public function getPlugins()
+    {
+        return $this->plugins;
+    }
+    public function addPlugin($key, $plugin)
+    {
+        $this->plugins[$key] = $plugin;
+    }
+    public function getPlugin($key)
+    {
+        if (array_key_exists($key, $this->plugins)) {
+            return $this->plugins[$key];
+        }
+        return [];
+    }
 }

src/Generator/IndexGenerationEvent.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Generator;
+
+use Symfony\Component\EventDispatcher\Event;
+use Entity\Project;
+
+class IndexGenerationEvent extends Event
+{
+    public function __construct(Project $project)
+    {
+        $this->project = $project;
+    }
+
+    /** @return Project */
+    public function getProject()
+    {
+        return $this->project;
+    }
+
+    /** @var Project */
+    private $project;
+}

src/Generator/IndexGenerator.php

@@ -12,9 +12,12 @@
 use Utils\ClassUtils;
 use Psr\Log\LoggerInterface;
 use Parser\Processor\IndexProcessor;
+use Symfony\Component\EventDispatcher\EventDispatcher;
 
 class IndexGenerator
 {
+    const BEFORE_GENERATION = 'index.before_generation';
+    const AFTER_GENERATION = 'index.after_generation';
     /**
      * Array of plugin classes
      * @var array
@@ -63,22 +66,26 @@ class IndexGenerator
      */
     protected $processor;
 
+    /** @var EventDispatcher */
+    protected $dispatcher;
+
     public function __construct(
         PathResolver $path,
         Composer $composer,
         ClassUtils $class,
         LoggerInterface $logger,
         IndexProcessor $processor,
+        EventDispatcher $dispatcher,
         $verbose = false
-    )
-    {
+    ) {
         $this->path             = $path;
         $this->composer         = $composer;
         $this->classUtils       = $class;
         $this->logger           = $logger;
         $this->plugins          = array();
         $this->verbose          = $verbose;
         $this->processor        = $processor;
+        $this->dispatcher       = $dispatcher;
     }
 
     public function getComposerUtils(){
@@ -95,11 +102,16 @@ public function getNamespaceUtils(){
 
     public function generateIndex(Project $project)
     {
+        $event = new IndexGenerationEvent($project);
+        $this->dispatcher->dispatch(self::BEFORE_GENERATION, $event);
+
         $index = $project->getIndex();
         $this->populateClassMapIndex($project);
 
         $this->generateProjectIndex($index);
 
+        $this->dispatcher->dispatch(self::AFTER_GENERATION, $event);
+
         return $index;
     }