From 55414072e76d902b255723c6f7095deceeb270f0 Mon Sep 17 00:00:00 2001
From: printempw <h@prinzeugen.net>
Date: Mon, 17 Oct 2016 12:20:55 +0800
Subject: [PATCH] working on framework of plugins

---
 app/Http/Controllers/AdminController.php |  42 ++++
 app/Http/Routes/web.php                  |   1 +
 app/Providers/PluginServiceProvider.php  |  37 ++++
 app/Services/Plugin.php                  | 183 +++++++++++++++++
 app/Services/PluginManager.php           | 244 ++++++++++++++++++++++-
 config/app.php                           |   1 +
 config/menu.php                          |  17 +-
 config/options.php                       |   5 +-
 plugins/.gitignore                       |   2 +
 resources/lang/en/general.yml            |   1 +
 resources/lang/zh-CN/general.yml         |   1 +
 resources/views/admin/plugins.tpl        | 125 ++++++++++++
 12 files changed, 647 insertions(+), 12 deletions(-)
 create mode 100644 app/Providers/PluginServiceProvider.php
 create mode 100644 app/Services/Plugin.php
 create mode 100644 plugins/.gitignore
 create mode 100644 resources/views/admin/plugins.tpl

diff --git a/app/Http/Controllers/AdminController.php b/app/Http/Controllers/AdminController.php
index 74a46d4d..d0ee6838 100644
--- a/app/Http/Controllers/AdminController.php
+++ b/app/Http/Controllers/AdminController.php
@@ -9,6 +9,7 @@ use App\Models\Player;
 use App\Models\Texture;
 use App\Models\UserModel;
 use Illuminate\Http\Request;
+use App\Services\PluginManager;
 use App\Exceptions\PrettyPageException;
 
 class AdminController extends Controller
@@ -63,6 +64,47 @@ class AdminController extends Controller
         }
     }
 
+    public function plugins(Request $request, PluginManager $plugins)
+    {
+        if ($request->has('action') && $request->has('id')) {
+            $id = $request->get('id');
+
+            if ($plugins->getPlugins()->has($id)) {
+                switch ($request->get('action')) {
+                    case 'enable':
+                        $plugins->enable($id);
+                        break;
+
+                    case 'disable':
+                        $plugins->disable($id);
+                        break;
+
+                    case 'delete':
+                        if ($request->isMethod('post')) {
+                            $plugins->uninstall($id);
+
+                            return json('插件已被成功删除', 0);
+                        }
+                        break;
+
+                    default:
+                        # code...
+                        break;
+                }
+            }
+
+        }
+
+        $data = [
+            'installed' => $plugins->getPlugins(),
+            'enabled'   => $plugins->getEnabledPlugins()
+        ];
+
+        // dd($data);
+
+        return view('admin.plugins', $data);
+    }
+
     /**
      * Show Manage Page of Users.
      *
diff --git a/app/Http/Routes/web.php b/app/Http/Routes/web.php
index 06873002..c5f94659 100644
--- a/app/Http/Routes/web.php
+++ b/app/Http/Routes/web.php
@@ -99,6 +99,7 @@ Route::group(['middleware' => 'admin', 'prefix' => 'admin'], function()
 {
     Route::get('/',           'AdminController@index');
 
+    Route::any('/plugins',    'AdminController@plugins');
     Route::any('/customize',  'AdminController@customize');
     Route::any('/score',      'AdminController@score');
     Route::any('/options',    'AdminController@options');
diff --git a/app/Providers/PluginServiceProvider.php b/app/Providers/PluginServiceProvider.php
new file mode 100644
index 00000000..3df1e26d
--- /dev/null
+++ b/app/Providers/PluginServiceProvider.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+
+class PluginServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        //
+    }
+
+    /**
+     * Register any application services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->bind('plugins', 'App\Services\PluginManager');
+
+        $bootstrappers = $this->app->make('plugins')->getEnabledBootstrappers();
+
+        foreach ($bootstrappers as $file) {
+            // bootstraper is a closure
+            $bootstrapper = require $file;
+
+            $this->app->call($bootstrapper);
+        }
+    }
+}
diff --git a/app/Services/Plugin.php b/app/Services/Plugin.php
new file mode 100644
index 00000000..5338da86
--- /dev/null
+++ b/app/Services/Plugin.php
@@ -0,0 +1,183 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+
+/**
+ * @property string $name
+ * @property string $description
+ * @property string $type
+ * @property array  $keywords
+ * @property string $homepage
+ * @property string $time
+ * @property string $license
+ * @property array  $authors
+ * @property array  $support
+ * @property array  $require
+ * @property array  $requireDev
+ * @property array  $autoload
+ * @property array  $autoloadDev
+ * @property array  $conflict
+ * @property array  $replace
+ * @property array  $provide
+ * @property array  $suggest
+ * @property array  $extra
+ */
+class Plugin implements Arrayable
+{
+    /**
+     * The directory of this plugin.
+     *
+     * @var string
+     */
+    protected $path;
+
+    /**
+     * package.json of the package.
+     *
+     * @var array
+     */
+    protected $packageInfo;
+
+    /**
+     * Whether the plugin is installed.
+     *
+     * @var bool
+     */
+    protected $installed = true;
+
+    /**
+     * The installed version of the plugin.
+     *
+     * @var string
+     */
+    protected $version;
+
+    /**
+     * Whether the plugin is enabled.
+     *
+     * @var bool
+     */
+    protected $enabled = false;
+
+    /**
+     * @param       $path
+     * @param array $packageInfo
+     */
+    public function __construct($path, $packageInfo)
+    {
+        $this->path = $path;
+        $this->packageInfo = $packageInfo;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __get($name)
+    {
+        return $this->packageInfoAttribute(Str::snake($name, '-'));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __isset($name)
+    {
+        return isset($this->{$name}) || $this->packageInfoAttribute(Str::snake($name, '-'));
+    }
+
+    /**
+     * Dot notation getter for composer.json attributes.
+     *
+     * @see https://laravel.com/docs/5.1/helpers#arrays
+     *
+     * @param $name
+     * @return mixed
+     */
+    public function packageInfoAttribute($name)
+    {
+        return Arr::get($this->packageInfo, $name);
+    }
+
+    /**
+     * @param bool $installed
+     * @return Plugin
+     */
+    public function setInstalled($installed)
+    {
+        $this->installed = $installed;
+
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isInstalled()
+    {
+        return $this->installed;
+    }
+
+    /**
+     * @param string $version
+     * @return Plugin
+     */
+    public function setVersion($version)
+    {
+        $this->version = $version;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getVersion()
+    {
+        return $this->version;
+    }
+
+    /**
+     * @param bool $enabled
+     * @return Plugin
+     */
+    public function setEnabled($enabled)
+    {
+        $this->enabled = $enabled;
+
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function isEnabled()
+    {
+        return $this->enabled;
+    }
+
+    /**
+     * @return string
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+
+    /**
+     * Generates an array result for the object.
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        return (array) array_merge([
+            'name'          => $this->name,
+            'version'       => $this->getVersion(),
+            'path'          => $this->path
+        ], $this->packageInfo);
+    }
+}
diff --git a/app/Services/PluginManager.php b/app/Services/PluginManager.php
index 78ab5a56..83e3aa12 100644
--- a/app/Services/PluginManager.php
+++ b/app/Services/PluginManager.php
@@ -2,10 +2,250 @@
 
 namespace App\Services;
 
+use Illuminate\Contracts\Foundation\Application;
+use Illuminate\Contracts\Events\Dispatcher;
+use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection;
+use App\Events\PluginWasDisabled;
+use App\Events\PluginWasEnabled;
+use App\Events\PluginWasUninstalled;
+
 class PluginManager
 {
-    public function __construct()
-    {
+    protected $option;
 
+    protected $app;
+
+    /**
+     * @var Dispatcher
+     */
+    protected $dispatcher;
+
+    /**
+     * @var Filesystem
+     */
+    protected $filesystem;
+
+    /**
+     * @var Collection|null
+     */
+    protected $plugins;
+
+    public function __construct(
+        OptionRepository $option,
+        Application $app,
+        Dispatcher $dispatcher,
+        Filesystem $filesystem
+    ) {
+        $this->option = $option;
+        $this->app = $app;
+        $this->dispatcher = $dispatcher;
+        $this->filesystem = $filesystem;
     }
+
+    /**
+     * @return Collection
+     */
+    public function getPlugins()
+    {
+        if (is_null($this->plugins)) {
+            $plugins = new Collection();
+
+            $installed = [];
+
+            $resource = opendir(base_path('plugins'));
+            // traverse plugins dir
+            while($filename = @readdir($resource)) {
+                if ($filename == "." || $filename == "..")
+                    continue;
+
+                $path = base_path('plugins')."/".$filename;
+
+                if (is_dir($path)) {
+                    if (file_exists($path."/package.json")) {
+                        // load packages installed
+                        $installed[$filename] = json_decode($this->filesystem->get($path."/package.json"), true);
+                    }
+                }
+
+            }
+            closedir($resource);
+
+            foreach ($installed as $path => $package) {
+
+                // Instantiates an Plugin object using the package path and package.json file.
+                $plugin = new Plugin($this->getPluginsDir().'/'.$path, $package);
+
+                // Per default all plugins are installed if they are registered in composer.
+                $plugin->setInstalled(true);
+                $plugin->setVersion(Arr::get($package, 'version'));
+                $plugin->setEnabled($this->isEnabled($plugin->name));
+
+                $plugins->put($plugin->name, $plugin);
+            }
+
+            $this->plugins = $plugins->sortBy(function ($plugin, $name) {
+                return $plugin->name;
+            });
+        }
+
+        return $this->plugins;
+    }
+
+    /**
+     * Loads an Plugin with all information.
+     *
+     * @param string $name
+     * @return Plugin|null
+     */
+    public function getPlugin($name)
+    {
+        return $this->getPlugins()->get($name);
+    }
+
+    /**
+     * Enables the plugin.
+     *
+     * @param string $name
+     */
+    public function enable($name)
+    {
+        if (! $this->isEnabled($name)) {
+            $plugin = $this->getPlugin($name);
+
+            $enabled = $this->getEnabled();
+
+            $enabled[] = $name;
+
+            // $this->migrate($plugin);
+
+            // $this->publishAssets($plugin);
+
+            $this->setEnabled($enabled);
+
+            $plugin->setEnabled(true);
+
+            // $this->dispatcher->fire(new PluginWasEnabled($plugin));
+        }
+    }
+
+    /**
+     * Disables an plugin.
+     *
+     * @param string $name
+     */
+    public function disable($name)
+    {
+        $enabled = $this->getEnabled();
+
+        if (($k = array_search($name, $enabled)) !== false) {
+            unset($enabled[$k]);
+
+            $plugin = $this->getPlugin($name);
+
+            $this->setEnabled($enabled);
+
+            $plugin->setEnabled(false);
+
+            // $this->dispatcher->fire(new PluginWasDisabled($plugin));
+        }
+    }
+
+    /**
+     * Uninstalls an plugin.
+     *
+     * @param string $name
+     */
+    public function uninstall($name)
+    {
+        $plugin = $this->getPlugin($name);
+
+        $this->disable($name);
+
+        // $this->migrateDown($plugin);
+
+        // $this->unpublishAssets($plugin);
+
+        // $plugin->setInstalled(false);
+
+        $this->filesystem->deleteDirectory($plugin->getPath());
+
+        // refresh plugin list
+        $this->plugins = null;
+
+        // $this->dispatcher->fire(new PluginWasUninstalled($plugin));
+    }
+
+    /**
+     * Get only enabled plugins.
+     *
+     * @return Collection
+     */
+    public function getEnabledPlugins()
+    {
+        return $this->getPlugins()->only($this->getEnabled());
+    }
+
+    /**
+     * Loads all bootstrap.php files of the enabled plugins.
+     *
+     * @return Collection
+     */
+    public function getEnabledBootstrappers()
+    {
+        $bootstrappers = new Collection;
+
+        foreach ($this->getEnabledPlugins() as $plugin) {
+            if ($this->filesystem->exists($file = $plugin->getPath().'/bootstrap.php')) {
+                $bootstrappers->push($file);
+            }
+        }
+
+        return $bootstrappers;
+    }
+
+    /**
+     * The id's of the enabled plugins.
+     *
+     * @return array
+     */
+    public function getEnabled()
+    {
+        return json_decode($this->option->get('plugins_enabled'), true);
+    }
+
+    /**
+     * Persist the currently enabled plugins.
+     *
+     * @param array $enabled
+     */
+    protected function setEnabled(array $enabled)
+    {
+        $enabled = array_values(array_unique($enabled));
+
+        $this->option->set('plugins_enabled', json_encode($enabled));
+    }
+
+    /**
+     * Whether the plugin is enabled.
+     *
+     * @param $plugin
+     * @return bool
+     */
+    public function isEnabled($plugin)
+    {
+        return in_array($plugin, $this->getEnabled());
+    }
+
+    /**
+     * The plugins path.
+     *
+     * @return string
+     */
+    protected function getPluginsDir()
+    {
+        return $this->app->basePath().'/plugins';
+    }
+
 }
diff --git a/config/app.php b/config/app.php
index bb182a3e..7349cc5c 100644
--- a/config/app.php
+++ b/config/app.php
@@ -162,6 +162,7 @@ return [
          */
         App\Providers\BootServiceProvider::class,
         App\Providers\AppServiceProvider::class,
+        App\Providers\PluginServiceProvider::class,
         App\Providers\EventServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
         App\Providers\ResponseMacroServiceProvider::class,
diff --git a/config/menu.php b/config/menu.php
index 31596a9f..80bc7d07 100644
--- a/config/menu.php
+++ b/config/menu.php
@@ -17,14 +17,15 @@ $menu['user'] = array(
 );
 
 $menu['admin'] = array(
-    ['title' => 'general.dashboard',     'link' => 'admin',           'icon' => 'fa-dashboard'],
-    ['title' => 'general.user-manage',   'link' => 'admin/users',     'icon' => 'fa-users'],
-    ['title' => 'general.player-manage', 'link' => 'admin/players',   'icon' => 'fa-gamepad'],
-    ['title' => 'general.customize',     'link' => 'admin/customize', 'icon' => 'fa-paint-brush'],
-    ['title' => 'general.score-options', 'link' => 'admin/score',     'icon' => 'fa-credit-card'],
-    ['title' => 'general.options',       'link' => 'admin/options',   'icon' => 'fa-cog'],
-    ['title' => 'general.import-v2',     'link' => 'setup/migrations',   'icon' => 'fa-undo'],
-    ['title' => 'general.check-update',  'link' => 'admin/update',    'icon' => 'fa-arrow-up']
+    ['title' => 'general.dashboard',     'link' => 'admin',            'icon' => 'fa-dashboard'],
+    ['title' => 'general.user-manage',   'link' => 'admin/users',      'icon' => 'fa-users'],
+    ['title' => 'general.player-manage', 'link' => 'admin/players',    'icon' => 'fa-gamepad'],
+    ['title' => 'general.plugin-manage', 'link' => 'admin/plugins',    'icon' => 'fa-plug'],
+    ['title' => 'general.customize',     'link' => 'admin/customize',  'icon' => 'fa-paint-brush'],
+    ['title' => 'general.score-options', 'link' => 'admin/score',      'icon' => 'fa-credit-card'],
+    ['title' => 'general.options',       'link' => 'admin/options',    'icon' => 'fa-cog'],
+    ['title' => 'general.import-v2',     'link' => 'setup/migrations', 'icon' => 'fa-undo'],
+    ['title' => 'general.check-update',  'link' => 'admin/update',     'icon' => 'fa-arrow-up']
 );
 
 return $menu;
diff --git a/config/options.php b/config/options.php
index ae887d79..b76aac39 100644
--- a/config/options.php
+++ b/config/options.php
@@ -3,7 +3,7 @@
  * @Author: printempw
  * @Date:   2016-07-29 11:53:11
  * @Last Modified by:   printempw
- * @Last Modified time: 2016-10-17 09:40:16
+ * @Last Modified time: 2016-10-17 11:11:52
  */
 
 return [
@@ -37,5 +37,6 @@ return [
     'return_200_when_notfound'  => '0',
     'cache_expire_time'         => '31536000',
     'max_upload_file_size'      => '1024',
-    'auto_detect_asset_url'     => '1'
+    'auto_detect_asset_url'     => '1',
+    'plugins_enabled'           => ''
 ];
diff --git a/plugins/.gitignore b/plugins/.gitignore
new file mode 100644
index 00000000..d6b7ef32
--- /dev/null
+++ b/plugins/.gitignore
@@ -0,0 +1,2 @@
+*
+!.gitignore
diff --git a/resources/lang/en/general.yml b/resources/lang/en/general.yml
index ba38fb75..57fb2676 100644
--- a/resources/lang/en/general.yml
+++ b/resources/lang/en/general.yml
@@ -16,6 +16,7 @@ my-closet: Closet
 player-manage: Player Manage
 user-manage: User Manage
 generate-config: Generate Config
+plugin-manage: Plugin Manage
 customize: Customize
 options: Options
 import-v2: Import Data
diff --git a/resources/lang/zh-CN/general.yml b/resources/lang/zh-CN/general.yml
index 2d6267fd..01172745 100644
--- a/resources/lang/zh-CN/general.yml
+++ b/resources/lang/zh-CN/general.yml
@@ -16,6 +16,7 @@ my-closet: 我的衣柜
 player-manage: 角色管理
 user-manage: 用户管理
 generate-config: 配置生成
+plugin-manage: 插件管理
 customize: 个性化
 options: 站点配置
 import-v2: 导入数据
diff --git a/resources/views/admin/plugins.tpl b/resources/views/admin/plugins.tpl
new file mode 100644
index 00000000..0302f9c0
--- /dev/null
+++ b/resources/views/admin/plugins.tpl
@@ -0,0 +1,125 @@
+@extends('admin.master')
+
+@section('title', trans('general.plugin-manage'))
+
+@section('style')
+<style>
+.btn {
+    margin-right: 4px;
+}
+</style>
+@endsection
+
+@section('content')
+
+<!-- Content Wrapper. Contains page content -->
+<div class="content-wrapper">
+    <!-- Content Header (Page header) -->
+    <section class="content-header">
+        <h1>
+            {{ trans('general.plugin-manage') }}
+            <small>Plugin Manage</small>
+        </h1>
+    </section>
+
+    <!-- Main content -->
+    <section class="content">
+        <div class="box">
+            <div class="box-body table-responsive no-padding">
+                <table class="table table-hover">
+                    <thead>
+                        <tr>
+                            <th>名称</th>
+                            <th>描述</th>
+                            <th>作者</th>
+                            <th>版本</th>
+                            <th>状态</th>
+                            <th>操作</th>
+                        </tr>
+                    </thead>
+
+                    <tbody>
+                        @forelse($installed as $plugin)
+                        <tr id="plugin-{{ $plugin->name }}">
+                            <td>{{ $plugin->title }}</td>
+                            <td id="description">{{ $plugin->description }}</td>
+                            <td id="author">{{ $plugin->author }}</td>
+                            <td id="version">{{ $plugin->version }}</td>
+                            <td id="status">
+                                @if ($plugin->isEnabled())
+                                已启用
+                                @else
+                                已禁用
+                                @endif
+                            </td>
+
+                            <td>
+                                @if ($plugin->isEnabled())
+                                <a class="btn btn-warning btn-sm" href="?action=disable&id={{ $plugin->name }}">禁用插件</a>
+                                @else
+                                <a class="btn btn-primary btn-sm" href="?action=enable&id={{ $plugin->name }}">启用插件</a>
+                                @endif
+
+                                <a class="btn btn-default btn-sm" href="?action=config&id={{ $plugin->name }}">插件配置</a>
+                                <a class="btn btn-danger btn-sm" href="javascript:deletePlugin('{{ $plugin->name }}');">删除插件</a>
+
+                            </td>
+                        </tr>
+                        @empty
+                        <tr>
+                            <td>0</td>
+                            <td>无结果</td>
+                            <td>(´・ω・`)</td>
+                        </tr>
+                        @endforelse
+                    </tbody>
+                </table>
+            </div>
+        </div>
+
+    </section><!-- /.content -->
+</div><!-- /.content-wrapper -->
+
+@endsection
+
+@section('style')
+<style>
+    @media (max-width: 767px) {
+        .content-header > h1 > small {
+            display: none;
+        }
+    }
+</style>
+@endsection
+
+@section('script')
+<script type="text/javascript">
+$(document).ready(function() {
+    $('.box-body').css('min-height', $('.content-wrapper').height() - $('.content-header').outerHeight() - 120);
+});
+
+function deletePlugin(name) {
+    swal({
+        text: '真的要删除这个插件吗？',
+        type: 'warning',
+        showCancelButton: true
+    }).then(function() {
+        $.ajax({
+            type: "POST",
+            url: "?action=delete&id=" + name,
+            dataType: "json",
+            success: function(json) {
+                if (json.errno == 0) {
+                    toastr.success(json.msg);
+
+                    $('tr[id=plugin-'+name+']').remove();
+                } else {
+                    toastr.warning(json.msg);
+                }
+            },
+            error: showAjaxError
+        });
+    });
+}
+</script>
+@endsection