非公開フラグ、センシティブフラグのCSV入力対応

app/Rules/FuzzyBoolean.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class FuzzyBoolean implements Rule
+{
+    public static function isTruthy($value): bool
+    {
+        if ($value === 1 || $value === '1') {
+            return true;
+        }
+
+        $lower = strtolower((string)$value);
+
+        return $lower === 'true';
+    }
+
+    public static function isFalsy($value): bool
+    {
+        if ($value === null || $value === '' || $value === 0 || $value === '0') {
+            return true;
+        }
+
+        $lower = strtolower((string)$value);
+
+        return $lower === 'false';
+    }
+
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return self::isTruthy($value) || self::isFalsy($value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return __('validation.boolean');
+    }
+}