Docker×Laravel8もくもく会アプリ作成10(バリデーション)

/var/www/html# php artisan make:request EventRequest

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class EventRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true; // falseからtrueに変更する
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $validate = [];

        return $validate;
    }
}

    public function rules()
    {
        $validate = [];

        $validate += [
            // タイトル必須
            'title' => [
                'required',
            ],
        ];

        return $validate;
    }

<?php

namespace App\Http\Controllers;

use App\Models\Event;
use App\Models\category;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use App\Http\Requests\EventRequest; // 追加

class EventController extends Controller
{
    public function __construct()
    {
        $this->event = new Event();
        $this->category = new Category();
    }
　　　
　　省略

    /**
     * もくもく会登録処理
     */
    public function create(EventRequest $request) // Request→EventRequestに修正
    {
        try {
            // トランザクション開始
            DB::beginTransaction();
            // リクエストされたデータをもとにeventsテーブルにデータをinsert
            $insertEvent = $this->event->insertEventData($request);
            // 処理に成功したらコミット
            DB::commit();
        } catch (\Throwable $e) {
            // 処理に失敗したらロールバック
            DB::rollback();
            // エラーログ
            \Log::error($e);
            // 登録処理失敗時にリダイレクト
            return redirect()->route('event.index')->with('error', 'もくもく会の登録に失敗しました。');
        }

        return redirect()->route('event.index')->with('success', 'もくもく会の登録に成功しました。');
    }
}

// 'required' => ':attribute field is required.', となっているので以下のように修正。102行目付近   
'required' => ':attributeは必須です。',

// 156行目付近
'attributes' => [ 
　　'title' => 'タイトル',
],

      {{-- タイトルフォーム --}}
      <div class="form-group">
        <label for="title">{{ 'タイトル' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <input type="text" class="form-control{{ $errors->has('title') ? ' is-invalid' : '' }}" name="title" id="title">
        @if ($errors->has('title'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('title') }}
          </span>
        @endif
      </div>

// 三項演算子。if文を１行で表している。
{{ $errors->has('title') ? ' is-invalid' : '' }}

//　if文で表すと以下になる
@if ($errors->has('title'))
 ' is-invalid'
@else
  ''
@endif

// バリデーションエラー時
class="form-control is-invalid"

// 正常
class="form-control"

      {{-- タイトルフォーム --}}
      <div class="form-group">
        <label for="title">{{ 'タイトル' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <input type="text" class="form-control{{ $errors->has('title') ? ' is-invalid' : '' }}" name="title" id="title" value="{{ old('title') }}">
        @if ($errors->has('title'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('title') }}
          </span>
        @endif
      </div>

    public function rules()
    {
        $validate = [];

        $validate += [
            // タイトル必須
            'title' => [
                'required',
            ],
            'entry_fee' => [
                'required',
            ],
        ];

        return $validate;
    }

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class EventRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $validate = [];

        $validate += [
            // タイトル必須・50文字以内
            'title' => [
                'required',
                'max:50',
            ],
            // カテゴリー必須
            'category_id' => [
                'required',
            ],
            // 日付
            'date' => [
                'required',
                'after:yesterday',
            ],
            // 開始時間
            'start_time' => [
                'required',
            ],
            // 終了時間
            'end_time' => [
                'required',
            ],
            // 参加費
            'entry_fee' => [
                'required',
                'numeric',
                'integer',
                'min:0',
            ],
            // 詳細
            'content' => [
                'required',
            ],
        ];

        return $validate;
    }
}

<?php

return [

    /*
    |--------------------------------------------------------------------------
    | Validation Language Lines
    |--------------------------------------------------------------------------
    |
    | The following language lines contain the default error messages used by
    | the validator class. Some of these rules have multiple versions such
    | as the size rules. Feel free to tweak each of these messages here.
    |
    */

    'accepted' => 'The :attribute must be accepted.',
    'accepted_if' => 'The :attribute must be accepted when :other is :value.',
    'active_url' => 'The :attribute is not a valid URL.',
    'after' => ':attributeは今日以降の日付を選んでください。',
    'after_or_equal' => 'The :attribute must be a date after or equal to :date.',
    'alpha' => 'The :attribute must only contain letters.',
    'alpha_dash' => 'The :attribute must only contain letters, numbers, dashes and underscores.',
    'alpha_num' => 'The :attribute must only contain letters and numbers.',
    'array' => 'The :attribute must be an array.',
    'before' => 'The :attribute must be a date before :date.',
    'before_or_equal' => 'The :attribute must be a date before or equal to :date.',
    'between' => [
        'numeric' => 'The :attribute must be between :min and :max.',
        'file' => 'The :attribute must be between :min and :max kilobytes.',
        'string' => 'The :attribute must be between :min and :max characters.',
        'array' => 'The :attribute must have between :min and :max items.',
    ],
    'boolean' => 'The :attribute field must be true or false.',
    'confirmed' => 'The :attribute confirmation does not match.',
    'current_password' => 'The password is incorrect.',
    'date' => 'The :attribute is not a valid date.',
    'date_equals' => 'The :attribute must be a date equal to :date.',
    'date_format' => 'The :attribute does not match the format :format.',
    'different' => 'The :attribute and :other must be different.',
    'digits' => 'The :attribute must be :digits digits.',
    'digits_between' => 'The :attribute must be between :min and :max digits.',
    'dimensions' => 'The :attribute has invalid image dimensions.',
    'distinct' => 'The :attribute field has a duplicate value.',
    'email' => 'The :attribute must be a valid email address.',
    'ends_with' => 'The :attribute must end with one of the following: :values.',
    'exists' => 'The selected :attribute is invalid.',
    'file' => 'The :attribute must be a file.',
    'filled' => 'The :attribute field must have a value.',
    'gt' => [
        'numeric' => 'The :attribute must be greater than :value.',
        'file' => 'The :attribute must be greater than :value kilobytes.',
        'string' => 'The :attribute must be greater than :value characters.',
        'array' => 'The :attribute must have more than :value items.',
    ],
    'gte' => [
        'numeric' => 'The :attribute must be greater than or equal to :value.',
        'file' => 'The :attribute must be greater than or equal to :value kilobytes.',
        'string' => 'The :attribute must be greater than or equal to :value characters.',
        'array' => 'The :attribute must have :value items or more.',
    ],
    'image' => 'The :attribute must be an image.',
    'in' => 'The selected :attribute is invalid.',
    'in_array' => 'The :attribute field does not exist in :other.',
    'integer' => ':attributeは整数で入力してください。',
    'ip' => 'The :attribute must be a valid IP address.',
    'ipv4' => 'The :attribute must be a valid IPv4 address.',
    'ipv6' => 'The :attribute must be a valid IPv6 address.',
    'json' => 'The :attribute must be a valid JSON string.',
    'lt' => [
        'numeric' => 'The :attribute must be less than :value.',
        'file' => 'The :attribute must be less than :value kilobytes.',
        'string' => 'The :attribute must be less than :value characters.',
        'array' => 'The :attribute must have less than :value items.',
    ],
    'lte' => [
        'numeric' => 'The :attribute must be less than or equal to :value.',
        'file' => 'The :attribute must be less than or equal to :value kilobytes.',
        'string' => 'The :attribute must be less than or equal to :value characters.',
        'array' => 'The :attribute must not have more than :value items.',
    ],
    'max' => [
        'numeric' => 'The :attribute must not be greater than :max.',
        'file' => 'The :attribute must not be greater than :max kilobytes.',
        'string' => ':attributeは50文字以内で入力してください。',
        'array' => 'The :attribute must not have more than :max items.',
    ],
    'mimes' => 'The :attribute must be a file of type: :values.',
    'mimetypes' => 'The :attribute must be a file of type: :values.',
    'min' => [
        'numeric' => ':attributeは0以上の数字を入力してください。',
        'file' => 'The :attribute must be at least :min kilobytes.',
        'string' => 'The :attribute must be at least :min characters.',
        'array' => 'The :attribute must have at least :min items.',
    ],
    'multiple_of' => 'The :attribute must be a multiple of :value.',
    'not_in' => 'The selected :attribute is invalid.',
    'not_regex' => 'The :attribute format is invalid.',
    'numeric' => ':attributeは数字で入力してください。',
    'password' => 'The password is incorrect.',
    'present' => 'The :attribute field must be present.',
    'regex' => 'The :attribute format is invalid.',
    'required' => ':attributeは必須です。',
    'required_if' => 'The :attribute field is required when :other is :value.',
    'required_unless' => 'The :attribute field is required unless :other is in :values.',
    'required_with' => 'The :attribute field is required when :values is present.',
    'required_with_all' => 'The :attribute field is required when :values are present.',
    'required_without' => 'The :attribute field is required when :values is not present.',
    'required_without_all' => 'The :attribute field is required when none of :values are present.',
    'prohibited' => 'The :attribute field is prohibited.',
    'prohibited_if' => 'The :attribute field is prohibited when :other is :value.',
    'prohibited_unless' => 'The :attribute field is prohibited unless :other is in :values.',
    'prohibits' => 'The :attribute field prohibits :other from being present.',
    'same' => 'The :attribute and :other must match.',
    'size' => [
        'numeric' => 'The :attribute must be :size.',
        'file' => 'The :attribute must be :size kilobytes.',
        'string' => 'The :attribute must be :size characters.',
        'array' => 'The :attribute must contain :size items.',
    ],
    'starts_with' => 'The :attribute must start with one of the following: :values.',
    'string' => 'The :attribute must be a string.',
    'timezone' => 'The :attribute must be a valid timezone.',
    'unique' => 'The :attribute has already been taken.',
    'uploaded' => 'The :attribute failed to upload.',
    'url' => 'The :attribute must be a valid URL.',
    'uuid' => 'The :attribute must be a valid UUID.',

    /*
    |--------------------------------------------------------------------------
    | Custom Validation Language Lines
    |--------------------------------------------------------------------------
    |
    | Here you may specify custom validation messages for attributes using the
    | convention "attribute.rule" to name the lines. This makes it quick to
    | specify a specific custom language line for a given attribute rule.
    |
    */

    'custom' => [
        'attribute-name' => [
            'rule-name' => 'custom-message',
        ],
    ],

    /*
    |--------------------------------------------------------------------------
    | Custom Validation Attributes
    |--------------------------------------------------------------------------
    |
    | The following language lines are used to swap our attribute placeholder
    | with something more reader friendly such as "E-Mail Address" instead
    | of "email". This simply helps us make our message more expressive.
    |
    */

    'attributes' => [
      'title'       => 'タイトル',
      'category_id' => 'カテゴリーID',
      'date'        => '開催日',
      'start_time'  => '開始時間',
      'end_time'    => '終了時間',
      'entry_fee'   => '参加費',
      'content'     => '詳細',
    ],

];

@extends('layouts.app')

@section('content')
<div class="container">
    <form action="{{ route('event.create') }}" method="POST">
    @csrf
      {{-- タイトルフォーム --}}
      <div class="form-group">
        <label for="title">{{ 'タイトル' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <input type="text" class="form-control{{ $errors->has('title') ? ' is-invalid' : '' }}" name="title" id="title" value="{{ old('title') }}">
        @if ($errors->has('title'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('title') }}
          </span>
        @endif
      </div>
      {{-- カテゴリープルダウン --}}
      <div class="form-group w-50">
        <label for="category-id">{{ 'カテゴリー' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <select class="form-control{{ $errors->has('category_id') ? ' is-invalid' : '' }}" id="category-id" name="category_id">
          @foreach ($categories as $category)
            <option value="{{ $category->category_id }}">{{ $category->category_name }}</option>
          @endforeach
        </select>
        @if ($errors->has('category_id'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('category_id') }}
          </span>
        @endif
      </div>
      {{-- 開催日をカレンダーで選択 --}}
      <div class="form-group w-25">
        <label for="date">{{ '開催日' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <input type="date" class="form-control{{ $errors->has('date') ? ' is-invalid' : '' }}" name="date" id="date" value="{{ old('date') }}">
        @if ($errors->has('date'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('date') }}
          </span>
        @endif
      </div>
      {{-- もくもく会開催時間 --}}
      <div class="form-group w-50">
        <div class="row">
          {{-- 開始時間 --}}
          <div class="col">
            <label for="start_time">{{ '開始時間' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
            <input type="time" class="form-control{{ $errors->has('start_time') ? ' is-invalid' : '' }}" name="start_time" id="start_time" value="{{ old('start_time') }}">
            @if ($errors->has('start_time'))
              <span class="invalid-feedback" role="alert">
                {{ $errors->first('start_time') }}
              </span>
            @endif
          </div>
          {{-- 終了時間 --}}
          <div class="col">
            <label for="end_time">{{ '終了時間' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
            <input type="time" class="form-control{{ $errors->has('end_time') ? ' is-invalid' : '' }}" name="end_time" id="end_time" value="{{ old('end_time') }}">
            @if ($errors->has('end_time'))
              <span class="invalid-feedback" role="alert">
                {{ $errors->first('end_time') }}
              </span>
            @endif
          </div>
        </div>
      </div>
      {{-- 参加費フォーム --}}
      <div class="form-group w-25">
        <label for="entry-fee">{{ '参加費' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <input type="text" class="form-control{{ $errors->has('entry_fee') ? ' is-invalid' : '' }}" name="entry_fee" id="entry-fee" value="{{ old('entry_fee') }}">
        @if ($errors->has('entry_fee'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('entry_fee') }}
          </span>
        @endif
      </div>
      {{-- もくもく会の詳細 --}}
      <div class="form-group">
        <label for="content">{{ '詳細' }}<span class="badge badge-danger ml-2">{{ '必須' }}</span></label>
        <textarea class="form-control{{ $errors->has('content') ? ' is-invalid' : '' }}" name="content" id="content" rows="10" placeholder="もくもく会の詳細を記載してください。">{{ old('content') }}</textarea>
        @if ($errors->has('content'))
          <span class="invalid-feedback" role="alert">
            {{ $errors->first('content') }}
          </span>
        @endif
      </div>
      <button type="submit" class="btn btn-success w-100">
        {{ 'もくもく会を開催する' }}
      </button>
    </form>
</div>
@endsection