83 lines
1.9 KiB
PHP
83 lines
1.9 KiB
PHP
<?php
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namespace App\Rules;
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use Illuminate\Contracts\Validation\Rule;
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/**
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* CSVインポート機能の日時バリデーションルール
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* @package App\Rules
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*/
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class CsvDateTime implements Rule
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{
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const VALID_FORMATS = [
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'Y/m/d H:i:s',
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'Y/n/j G:i:s',
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'Y/m/d H:i',
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'Y/n/j G:i',
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];
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const MINIMUM_TIMESTAMP = 946652400; // 2000-01-01 00:00:00 JST
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const MAXIMUM_TIMESTAMP = 4102412399; // 2099-12-31 23:59:59 JST
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/** @var string Validation error message */
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private $message = ':attributeの形式は "年/月/日 時:分" にしてください。';
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/**
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* Create a new rule instance.
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*
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* @return void
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*/
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public function __construct()
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{
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//
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}
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/**
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* Determine if the validation rule passes.
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*
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* @param string $attribute
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* @param mixed $value
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* @return bool
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*/
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public function passes($attribute, $value)
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{
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// この辺の実装の元ネタは、LaravelのValidatesAttributes#validateDateFormat()
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if (!is_string($value)) {
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return false;
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}
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foreach (self::VALID_FORMATS as $format) {
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$date = \DateTime::createFromFormat('!' . $format, $value);
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if (!$date) {
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continue;
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}
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$timestamp = (int) $date->format('U');
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if ($timestamp < self::MINIMUM_TIMESTAMP || self::MAXIMUM_TIMESTAMP < $timestamp) {
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$this->message = ':attributeは 2000/01/01 00:00 〜 2099/12/31 23:59 の間のみ対応しています。';
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return false;
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}
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$formatted = $date->format($format);
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if ($formatted === $value) {
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return true;
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}
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}
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return false;
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}
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/**
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* Get the validation error message.
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*
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* @return string
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*/
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public function message()
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{
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return $this->message;
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}
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}
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