Initial commit of AutoValidateBehavior.php

Model/Behavior/AutoValidateBehavior.php

@@ -0,0 +1,64 @@
+<?php
+App::uses('ModelBehavior', 'Model');
+
+/**
+ * AutoValidateBehavior
+ *
+ * @author Florian Krämer
+ * @copyright 2013 Florian Krämer
+ * @license MIT
+ */
+class AutoValidateBehavior extends ModelBehavior {
+
+/**
+ * beforeValidate
+ *
+ * @param Model $Model
+ * @return boolean
+ */
+	public function beforeValidate(Model $Model) {
+		$this->generateValidationRules($Model);
+		return true;
+	}
+
+/**
+ * generateValidationRules
+ *
+ * @param Model $Model
+ * @param array
+ * @return void
+ */
+	public function generateValidationRules(Model $Model) {
+		$schema = $Model->schema();
+		foreach ($schema as $field => $meta) {
+			if ($field === $Model->primaryKey) {
+				continue;
+			}
+
+			if ($meta['null'] === false) {
+				$Model->validate[$field]['notEmpty'] = array(
+					'rule' => 'notEmpty',
+					'empty' => false,
+					'message' => __('This field can not be empty.'),
+				);
+			}
+
+			if ($meta['type'] === 'boolean') {
+				$Model->validate[$field]['boolean'] = array(
+					'rule' => 'boolean',
+					'empty' => false,
+					'message' => __('This field can not be empty.'),
+				);
+			}
+
+			if ($meta['type'] === 'string') {
+				$Model->validate[$field]['length'] = array(
+					'rule' => array('length', $meta['length']),
+					'empty' => false,
+					'message' => __('This field can not be longer than %d.', $meta['length']),
+				);
+			}
+		}
+	}
+
+}