Study Note

Lavarel 快速學習自我挑戰 Day20

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  1. eloquent-sluggable 套件說明書
  2. require 套件 composer require cviebrock/eloquent-sluggable 4.1
  3. 在 config/app.php 新增 provider
    Cviebrock\EloquentSluggable\ServiceProvider::class,
  4. 在 Post model 新增
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use Cviebrock\EloquentSluggable\Sluggable;

class Post extends Model
{
    use Sluggable;

    /**
     * Return the sluggable configuration array for this model.
     *
     * @return array
     */
    public function sluggable()
    {
        return [
            'slug' => [
                'source' => 'title'
            ]
        ];
    }

}
  1. 新增 migration php artisan make:migration add_slug_to_posts_table --create=posts
  2. 修改 add_slug_to_posts_table
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class AddSlugToPostsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('posts', function (Blueprint $table) {
            $table->string('slug')->nullable();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('posts', function (Blueprint $table) {
            $table->dropColumn('slug');
        });
    }
}
  1. 將資料匯入資料庫 php artisan migrate
  2. 修改 admin/posts/index view 的檢視貼文欄位
    <td><a href="{{" {{route('home.post', $post->slug)" }}}}">View post</a></td>
  3. 修改 AdminPostsController 的 post function
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public function post($slug){

    $post = Post::where('slug', $slug)->first() ?: Post::findOrFail((int)$slug);

    $comments = $post->comments()->whereIsActive(1)->get();

    return view('post', compact('post', 'comments'));

}

Pagination (Pagination 官方文件)

  1. 修改 AdminPostsController 的 index function
    $posts = Post::all();=>$posts = Post::paginate(2);
  2. 在 admin/posts/index view 新增
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<div class="row">
    <div class="col-sm-6 col-sm-offset-5">

        {{$posts->render()}}
        
    </div>
</div>

從 gravatar 拿大頭貼

  1. 在 User model 新增 getGravatarAttribute function
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public function getGravatarAttribute(){

    $hash = md5(strtolower(trim($this->attributes['email'])));

    return "http://www.gravatar.com/avatar/$hash";

}
  1. 取得大頭貼
    src="{{" {{Auth::user()->gravatar" }}}}"

升級到 Laravel 5.3 Part I

升級

  1. 更新內容
  2. 檢查版本 php artisan --version
  3. 修改 composer.json
    "laravel/framework": "5.3.*",=>"laravel/framework": "5.3.*",
  4. 更新資料 composer update
  5. 把 app/Providers/EventServiceProvider 的 boot function 的變數拿掉
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public function boot()
{
    parent::boot();
}
  1. 把 app/Providers/RouteServiceProvider 的 boot, map, mapWebRoutes function 的變數拿掉
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public function boot()
{
    parent::boot();
}
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public function map()
{
    $this->mapWebRoutes();
}
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protected function mapWebRoutes()
{
    Route::group([
        'namespace' => $this->namespace, 'middleware' => 'web',
    ], function ($router) {
        require app_path('Http/routes.php');
    });
}
  1. 接上面的步驟，將 use Illuminate\Routing\Router;移除
  2. 修改 mapWebRoutes function 的 path
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protected function mapWebRoutes()
{
    Route::group([
        'namespace' => $this->namespace, 'middleware' => 'web',
    ], function ($router) {
        require base_path('routes/web.php');
    });
}

更新 routes

  1. 在 app/Http/Controllers/Controller.php 刪除 AuthorizesResources,
  2. 更新 routes 檔案
  3. 將更新檔案複製到 app/Http/Controllers/Auth 目錄底下
  4. 新增以下兩行到 routes/web.php
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Auth::routes();
Route::get('/logout', 'Auth\LoginController@logout');
  1. 修改 LoginController 將目錄導向 admin
    protected $redirectTo = '/admin';
  2. 客製化 routes 來符合舊的路由設定
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Route::group(['middleware'=>'admin'], function(){

    Route::get('/admin', function(){

        return view('admin.index');

    });

    Route::resource('admin/users', 'AdminUsersController', ['names'=>[

        'index'=>'admin.users.index',
        'create'=>'admin.users.create',
        'store'=>'admin.users.store',
        'edit'=>'admin.users.edit'

    ]]);

    Route::resource('admin/posts', 'AdminPostsController', ['names'=>[

        'index'=>'admin.posts.index',
        'create'=>'admin.posts.create',
        'store'=>'admin.posts.store',
        'edit'=>'admin.posts.edit'

    ]]);

    Route::resource('admin/categories', 'AdminCategoriesController', ['names'=>[

        'index'=>'admin.categories.index',
        'create'=>'admin.categories.create',
        'store'=>'admin.categories.store',
        'edit'=>'admin.categories.edit'

    ]]);

    Route::resource('admin/comments', 'PostCommentsController', ['names'=>[

        'index'=>'admin.comments.index',
        'create'=>'admin.comments.create',
        'store'=>'admin.comments.store',
        'edit'=>'admin.comments.edit'

    ]]);

    Route::resource('admin/comments/replies', 'CommentRepliesController', ['names'=>[

        'index'=>'admin.comments.replies.index',
        'create'=>'admin.comments.replies.create',
        'store'=>'admin.comments.replies.store',
        'edit'=>'admin.comments.replies.edit'

    ]]);

});
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