【応用Laravel教材③】Laravelでタスク管理アプリ実装！〜プロジェクト一覧機能実装からログイン後のリダイレクト先変更編〜

<?php

use Illuminate\Support\Facades\Route;
use App\Http\Controllers\ProjectController;

Route::get('/', function () {
    return view('welcome');
});

Route::get('/dashboard', function () {
    return view('dashboard');
})->middleware(['auth'])->name('dashboard');

// ログイン必須ルート
Route::middleware('auth')->group(function () {
    // プロジェクト一覧画面
    Route::get('projects', [ProjectController::class, 'index'])->name('projects.index');
});

require __DIR__.'/auth.php';

Route::middleware('auth')->group(function () {
    // ここにログイン後しか表示できないルートを記述する
});

$ ./vendor/bin/sail php artisan make:controller ProjectController

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class ProjectController extends Controller
{
    /**
     * プロジェクト一覧画面表示
     */
    public function index()
    {
        return view('projects.index');
    }
}

$ mkdir resources/views/projects && touch resources/views/projects/index.blade.php

@extends('layouts.layout')

@section('title')
    プロジェクト一覧
@endsection

@section('content')
    <div class="container mt-4">
        <div class="row">
            <div class="col col-md-6 offset-md-3">
                <div class="card">
                    <div class="card-header bg-dark text-light d-flex justify-content-between align-items-center">
                        <p class="mb-0 h5">プロジェクト</p>
                        <a href="#" class="btn btn-primary">追加</a>
                    </div>
                    <table class="table table-hover mb-0">
                        <tbody class="text-center">
                            <tr>
                                <td class="table-active"><a href="#">プロジェクト1</a></td>
                            </tr>
                            <tr>
                                <td><a href="#">プロジェクト2</a></td>
                            </tr>
                            <tr>
                                <td><a href="#">プロジェクト3</a></td>
                            </tr>
                            <tr>
                                <td><a href="#">プロジェクト4</a></td>
                            </tr>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
@endsection

$ ./vendor/bin/sail php artisan make:migration create_projects_table

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('projects', function (Blueprint $table) {
            $table->id();
            $table->bigInteger('user_id')->unsigned(); // ここを追加
            $table->string('project_name', 30); // ここを追加
            $table->timestamps();

            // 外部キーの設定
            $table->foreign('user_id')->references('id')->on('users'); // ここを追加
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('projects');
    }
};

$ ./vendor/bin/sail php artisan migrate

$ ./vendor/bin/sail php artisan make:model Project

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Project extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'project_name',
    ];
}

$ ./vendor/bin/sail php artisan make:seeder ProjectsTableSeeder

<?php

namespace Database\Seeders;

use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\DB; // ここを追加

class ProjectsTableSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        // usersテーブルから1つのデータを取得
        $user = DB::table('users')->first();

        DB::table('projects')->insert([
            'project_name' => 'プロジェクト1',
            'user_id' => $user->id,
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('projects')->insert([
            'project_name' => 'プロジェクト2',
            'user_id' => $user->id,
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);

        DB::table('projects')->insert([
            'project_name' => 'プロジェクト3',
            'user_id' => $user->id,
            'created_at' => date('Y-m-d H:i:s'),
            'updated_at' => date('Y-m-d H:i:s'),
        ]);
    }
}

<?php

namespace Database\Seeders;

use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    /**
     * Seed the application's database.
     *
     * @return void
     */
    public function run()
    {
        $this->call([
            UsersTableSeeder::class,
            ProjectsTableSeeder::class,
        ]);
    }
}

$ ./vendor/bin/sail php artisan migrate:refresh --seed

<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;

class User extends Authenticatable
{
    use HasApiTokens, HasFactory, Notifiable;

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

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array<int, string>
     */
    protected $hidden = [
        'password',
        'remember_token',
    ];

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

    // --- ここから追加 ---

    /**
     * Projectsテーブルとのリレーション
     */
    public function projects()
    {
        return $this->hasMany(Project::class);
    }

    // --- ここまで追加 ---
}

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Project extends Model
{
    use HasFactory;

    protected $fillable = [
        'project_name',
        'user_id',
    ];

    // --- ここから追加 ---

    /**
     * Usersテーブルとのリレーション
     */
    public function user()
    {
        return $this->belongsTo(User::class);
    }

    // --- ここまで追加 ---
}

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth; // ここを追加

class ProjectController extends Controller
{
    /**
     * プロジェクト一覧画面
     */
    public function index()
    {
        // ログインユーザーが作成した全てのプロジェクトを取得
        $projects = Auth::user()->projects->all();

        return view('projects.index', compact('projects'));
    }
}

@extends('layouts.layout')

@section('title')
    プロジェクト一覧
@endsection

@section('content')
    <div class="container mt-4">
        <div class="row">
            <div class="col col-md-6 offset-md-3">
                <div class="card">
                    <div class="card-header bg-dark text-light d-flex justify-content-between align-items-center">
                        <p class="mb-0 h5">プロジェクト</p>
                        <a href="#" class="btn btn-primary">追加</a>
                    </div>
                    <table class="table table-hover mb-0">
                        <tbody class="text-center">
                            @foreach ($projects as $project)
                                <tr>
                                    <td><a href="#">{{ $project->project_name }}</a></td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
@endsection

<?php

namespace App\Providers;

use Illuminate\Cache\RateLimiting\Limit;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\Support\Facades\Route;

class RouteServiceProvider extends ServiceProvider
{
    /**
     * The path to the "home" route for your application.
     *
     * Typically, users are redirected here after authentication.
     *
     * @var string
     */
    public const HOME = '/projects';

    // --- 以下省略 ---
}

public function store(Request $request)
{
    $request->validate([
        'name' => ['required', 'string', 'max:255'],
        'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
        'password' => ['required', 'confirmed', Rules\Password::defaults()],
    ]);

    $user = User::create([
        'name' => $request->name,
        'email' => $request->email,
        'password' => Hash::make($request->password),
    ]);

    event(new Registered($user));

    Auth::login($user);

    return redirect(RouteServiceProvider::HOME);
}

public function store(LoginRequest $request)
{
    $request->authenticate();

    $request->session()->regenerate();

    return redirect()->intended(RouteServiceProvider::HOME);
}