Laravel を使用してオンラインビデオプラットフォームを開発する方法

composer create-project --prefer-dist laravel/laravel videoplatform

php artisan make:migration create_users_table
php artisan make:migration create_videos_table
php artisan make:migration create_categories_table
php artisan make:migration create_comments_table

php artisan migrate

Route::get('/', 'HomeController@index')->name('home');
Route::get('/videos', 'VideoController@index')->name('videos.index');
Route::get('/videos/create', 'VideoController@create')->name('videos.create');
Route::post('/videos/store', 'VideoController@store')->name('videos.store');
Route::get('/videos/{id}', 'VideoController@show')->name('videos.show');
Route::get('/videos/{id}/edit', 'VideoController@edit')->name('videos.edit');
Route::put('/videos/{id}', 'VideoController@update')->name('videos.update');
Route::delete('/videos/{id}', 'VideoController@destroy')->name('videos.destroy');
Route::post('/comments', 'CommentController@store')->name('comments.store');

class Video extends Model
{
    // 添加分类关联关系
    public function category()
    {
        return $this->belongsTo(Category::class);
    }

    // 添加评论关联关系
    public function comments()
    {
        return $this->hasMany(Comment::class);
    }

    // 定义缩略图访问器
    public function getThumbnailAttribute()
    {
        return Storage::url($this->attributes['thumbnail']);
    }
}

class VideoController extends Controller
{
    // 显示视频上传页面
    public function create()
    {
        $categories = Category::all();

        return view('videos.create', compact('categories'));
    }

    // 处理视频上传请求
    public function store(Request $request)
    {
        $request->validate([
            'title' => 'required|max:255',
            'description' => 'nullable|max:1000',
            'category_id' => 'required|numeric',
            'video_file' => 'required|mimetypes:video/mp4|max:102400',
            'thumbnail_file' => 'required|mimetypes:image/jpeg,image/png|max:1024',
        ]);

        $video = new Video();

        $video->title = $request->get('title');
        $video->description = $request->get('description');
        $video->category_id = $request->get('category_id');
        $video->user_id = Auth::id();

        $video_file = $request->file('video_file');
        $video_file_name = uniqid().'.'.$video_file->getClientOriginalExtension();
        Storage::putFileAs('public/videos', $video_file, $video_file_name);
        $video->video_file = 'storage/videos/'.$video_file_name;

        $thumbnail_file = $request->file('thumbnail_file');
        $thumbnail_file_name = uniqid().'.'.$thumbnail_file->getClientOriginalExtension();
        Storage::putFileAs('public/videos/thumbnails', $thumbnail_file, $thumbnail_file_name);
        $video->thumbnail = 'storage/videos/thumbnails/'.$thumbnail_file_name;

        $video->save();

        return redirect()->route('videos.index');
    }
}

class CommentController extends Controller
{
    public function store(Request $request)
    {
        $request->validate([
            'video_id' => 'required|numeric',
            'content' => 'required|max:1000',
        ]);

        $comment = new Comment();

        $comment->video_id = $request->get('video_id');
        $comment->user_id = Auth::id();
        $comment->content = $request->get('content');

        $comment->save();

        return redirect()->back();
    }
}