stidges · January 1, 2018 16:33 · Jan 1, 2018
diff --git a/Request.php b/Request.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
+
+abstract class Request extends FormRequest
+{
+    /**
+     * Apply the trait rules to the validator.
+     *
+     * @param  \Illuminate\Validation\Validator  $validator
+     * @return void
+     */
+    public function withValidator(Validator $validator)
+    {
+        if ($rules = $this->getTraitRules()) {
+            $validator->addRules($rules);
+        }
+    }
+
+    /**
+     * Get the rules from the used traits.
+     *
+     * @return array
+     */
+    protected function getTraitRules()
+    {
+        return array_reduce(class_uses(static::class), function ($rules, $trait) {
+            $rulesMethod = $this->makeRulesMethodName($trait);
+
+            if (! is_null($rulesMethod) && method_exists($this, $rulesMethod)) {
+                $rules = array_merge($rules, $this->{$rulesMethod}());
+            }
+
+            return $rules;
+        }, []);
+    }
+
+    /**
+     * Make the rules method name based on the given trait name, if it matches the required format.
+     *
+     * @param  string  $trait
+     * @return string
+     */
+    protected function makeRulesMethodName($trait)
+    {
+        preg_match('/^Has([A-Za-z]+)Fields$/', class_basename($trait), $matches);
+
+        return isset($matches[1]) ? camel_case($matches[1]).'Rules' : null;
+    }
+}
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