Add custom rules selection & user password validation rule

Author: ollieread

src/Validators/Rules/Rules.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Sprocketbox\Toolkit\Validators\Rules;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Validation\Rules\Unique;
+
+class Rules
+{
+    /**
+     * @param \Illuminate\Database\Eloquent\Model|string $model
+     * @param string|null                                $column
+     *
+     * @return \Illuminate\Validation\Rules\Unique
+     */
+    public static function unique($model, ?string $column = null): Unique
+    {
+        $instance = $model instanceof Model ? $model : new $model;
+        $rule     = new Unique($instance->getTable(), $column ?? 'NULL');
+
+        if ($model instanceof Model) {
+            $rule->ignoreModel($model);
+        }
+
+        return $rule;
+    }
+
+    public static function password(?string $guard = null): UserPassword
+    {
+        return new UserPassword($guard);
+    }
+}

src/Validators/Rules/UserPassword.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Sprocketbox\Toolkit\Validators\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Hash;
+
+class UserPassword implements Rule
+{
+    /**
+     * @var string|null
+     */
+    protected ?string $guard;
+
+    public function __construct(?string $guard = null)
+    {
+        $this->guard = $guard;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function passes($attribute, $value)
+    {
+        $user = Auth::guard($this->guard)->user();
+
+        if ($user !== null) {
+            return Hash::check($value, $user->getAuthPassword());
+        }
+
+        return false;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function message()
+    {
+        return 'validation.user_password';
+    }
+}