Overall improvements

src/Foundation/Application.php

@@ -41,7 +41,7 @@ class Application extends Container implements ResponsePreparerInterface
      *
      * @var string
      */
-    const VERSION = '4.0.50';
+    const VERSION = '4.0.51';
 
     /**
      * Indicates if the application has "booted".

src/Validation/UnauthorizedException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Nova\Validation;
+
+use RuntimeException;
+
+
+class AuthorizationException extends RuntimeException
+{
+    //
+}

src/Validation/ValidatesWhenResolvedInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Nova\Validation;
+
+
+interface ValidatesWhenResolvedInterface
+{
+    /**
+     * Validate the given class instance.
+     *
+     * @return void
+     */
+    public function validate();
+}

src/Validation/ValidatesWhenResolvedTrait.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace Nova\Validation;
+
+use Nova\Validation\ValidationException;
+use Nova\Validation\UnauthorizedException;
+
+/**
+ * Provides default implementation of ValidatesWhenResolvedInterface.
+ */
+trait ValidatesWhenResolvedTrait
+{
+    /**
+     * Validate the class instance.
+     *
+     * @return void
+     */
+    public function validate()
+    {
+        $instance = $this->getValidatorInstance();
+
+        if (! $this->passesAuthorization()) {
+            $this->failedAuthorization();
+        } else if (! $instance->passes()) {
+            $this->failedValidation($instance);
+        }
+    }
+
+    /**
+     * Get the validator instance for the request.
+     *
+     * @return \Nova\Validation\Validator
+     */
+    protected function getValidatorInstance()
+    {
+        return $this->validator();
+    }
+
+    /**
+     * Handle a failed validation attempt.
+     *
+     * @param  \Nova\Validation\Validator  $validator
+     * @return mixed
+     */
+    protected function failedValidation(Validator $validator)
+    {
+        throw new ValidationException($validator);
+    }
+
+    /**
+     * Determine if the request passes the authorization check.
+     *
+     * @return bool
+     */
+    protected function passesAuthorization()
+    {
+        if (method_exists($this, 'authorize')) {
+            return $this->authorize();
+        }
+
+        return true;
+    }
+
+    /**
+     * Handle a failed authorization attempt.
+     *
+     * @return mixed
+     */
+    protected function failedAuthorization()
+    {
+        throw new UnauthorizedException;
+    }
+}