Allow specification of default attribute names

src/Database/Traits/Validation.php

@@ -40,6 +40,11 @@ trait Validation
      */
     protected $validationErrors;
 
+    /**
+     * @var array Default custom attribute names.
+     */
+    protected $validationDefaultAttrNames = [];
+
     /**
      * Boot the validation trait for this model.
      *
@@ -76,6 +81,28 @@ public static function bootValidation()
         });
     }
 
+    /**
+     * Programatically sets multiple validation attribute names.
+     * @param array $attributeNames
+     * @return void
+     */
+    public function setValidationAttributeNames($attributeNames)
+    {
+        $this->validationDefaultAttrNames = $attributeNames;
+    }
+
+    /**
+     * Programatically sets the validation attribute names, will take lower priority
+     * to model defined attribute names found in `$attributeNames`.
+     * @param string $attr
+     * @param string $name
+     * @return void
+     */
+    public function setValidationAttributeName($attr, $name)
+    {
+        $this->validationDefaultAttrNames[$attr] = $name;
+    }
+
     /**
      * Returns the model data used for validation.
      * @return array
@@ -247,6 +274,8 @@ public function validate($rules = null, $customMessages = null, $attributeNames
                 $attributeNames = [];
             }
 
+            $attributeNames = array_merge($this->validationDefaultAttrNames, $attributeNames);
+
             if (property_exists($this, 'attributeNames')) {
                 $attributeNames = array_merge($this->attributeNames, $attributeNames);
             }