変更履歴

2021/09/12 validationのリダイレクト処理を編集しました。

1. チュートリアル説明
2. プログラミングの準備(エディタ、dockerの用意、環境構築)
3. 認証機能を追加してログイン機能を実装する
4. ブログのタイトルと記事を登録する
5. ブログの記事へタグを登録する
6. ブログの一覧表示、編集機能の実装
7. ブログの検索機能の実装
8. ユーザーへの通知機能の実装(今ここ)

Notificationクラスを作成する

php artisan make:notification PostArticleNotification

<?php


namespace App\Notifications;


use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;


class PostArticleNotification extends Notification
{
    use Queueable;


    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }


    /**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail'];
    }


    /**
     * Get the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        return (new MailMessage)
                    ->line('The introduction to the notification.')
                    ->action('Notification Action', url('/'))
                    ->line('Thank you for using our application!');
    }


    /**
     * Get the array representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function toArray($notifiable)
    {
        return [
            //
        ];
    }
}

ArticleControllerを編集する

//省略
use Illuminate\Support\Facades\Notification;//<-追加
use App\Notifications\PostArticleNotification;//<-追加
use App\User;//<-追加
//省略
public function create(Request $request)
{
    $validator = Validator::make($request->all(), [
        'title' => [
            'required',
            'string',
            'max:25',
        ],
        'content' => [
            'required',
            'string',
            'max:4000',
        ],
        'tag' => [
            'nullable',
            'string',
        ],
    ]);
    $validator->validate();
    $id = $request->get('id');
    $article = Article::find($id);
    if (isset($article) && $article->user_id !== Auth::user()->id) {
        abort(404);
    }
    $title = $request->get('title');
    $content = $request->get('content');


    if (isset($article)) {
        $article->title = $title;
        $article->content = $content;
        $article->save();
    } else {
        $user_id = Auth::id();
        $article = Article::create(
            [
                'title' => $title,
                'content' => $content,
                'user_id' => $user_id,
            ]
        );
    }


    $input_tag = $request->get('tag');
    if (isset($input_tag)) {
        $tag_ids = [];
        $tags = explode(',', $input_tag);
        foreach ($tags as $tag) {
            $tag = Tag::updateOrCreate(
                [
                    'name' => $tag,
                ]
            );
            $tag_ids[] = $tag->id;
        }
        $article->tags()->sync($tag_ids);
    }

    //ここから
    $users = User::where('id', '<>', $article->user->id)->get();
    Notification::send($users, new PostArticleNotification());
　　　　　　　　//ここまで追加

    return redirect()->route('article.show', ['id' => $article->id]);
}

$users = User::where('id', '<>', $article->user->id)->get();

'<>'

'!='

Notification::send($users, new PostArticleNotification());

<?php


namespace App;


use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;


class User extends Authenticatable
{
    use Notifiable;


    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name', 'email', 'password',
    ];


    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];


    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'email_verified_at' => 'datetime',
    ];
}

//省略
use Illuminate\Notifications\Notifiable;
//省略
use Notifiable;
//省略

http://localhost:1080

Notificationクラスを編集する

$users = User::where('id', '<>', $article->user->id)->get();
Notification::send($users, new PostArticleNotification($article));//<-編集

<?php


namespace App\Notifications;


use App\Article;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Notifications\Notification;


class PostArticleNotification extends Notification
{
    use Queueable;


    private $article;//<-追加


    /**
     * Create a new notification instance.
     *
     * @return void
     */
    public function __construct(
        Article $article//<-追加
    )
    {
        $this->article = $article;//<-追加
    }


    /**
     * Get the notification's delivery channels.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function via($notifiable)
    {
        return ['mail'];
    }


    /**
     * Get the mail representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return \Illuminate\Notifications\Messages\MailMessage
     */
    public function toMail($notifiable)
    {
        //↓諸々編集
        return (new MailMessage)
            ->subject('ブログが新しく投稿されました！|' . config('app.name'))
            ->greeting($this->article->user->name . 'さんがブログを投稿しました！')
            ->line('title: ' . $this->article->title)
            ->action('ブログをみに行く', route('article.show', ['id' => $this->article->id]))
            ->line('アプリをご利用いただきありがとうございます。')
            ->salutation(config('app.name'));
    }


    /**
     * Get the array representation of the notification.
     *
     * @param  mixed  $notifiable
     * @return array
     */
    public function toArray($notifiable)
    {
        return [
            //
        ];
    }
}

private $article;

public function __construct(
    Article $article
)
{
    $this->article = $article;
}

__construct(){}

Article $article

$this->article = $article;

$this->プロパティ名

public function toMail($notifiable)
{
    return (new MailMessage)
        ->subject('ブログが新しく投稿されました！|' . config('app.name'))
        ->greeting($this->article->user->name . 'さんがブログを投稿しました！')
        ->line('title: ' . $this->article->title)
        ->action('ブログをみに行く', route('article.show', ['id' => $this->article->id]))
        ->line('アプリをご利用いただきありがとうございます。')
        ->salutation(config('app.name'));
}

config('app.name')

'name' => env('APP_NAME', 'Laravel'),

APP_NAME=Tutorial

• subjectは件名
• greetingは見出し
• lineは文章
• actionはリンクボタン
• salutationは結び？の文章