Fix validation flow for updating

Author: yidas

src/Model.php

@@ -8,7 +8,7 @@
  * Base Model
  *
  * @author   Nick Tsai <myintaer@gmail.com>
- * @version  2.16.1
+ * @version  2.16.2
  * @see      https://github.com/yidas/codeigniter-model
  */
 class Model extends \CI_Model implements \ArrayAccess
@@ -702,13 +702,13 @@ public function replace($attributes, $runValidation=true)
      */
     public function update($attributes, $condition=NULL, $runValidation=true)
     {
-        // Model Condition
-        $query = $this->_findByCondition($condition);
-
         // Validation
         if ($runValidation && false===$attributes=$this->validate($attributes, true))
             return false; 
 
+        // Model Condition
+        $query = $this->_findByCondition($condition);
+
         $attributes = $this->_attrEventBeforeUpdate($attributes);
 
         // Pack query then move it to write DB from read DB
@@ -746,12 +746,13 @@ public function batchUpdate(Array $dataSet, $withAll=false, $maxLength=4*1024*10
             if ($withAll===true) {
                 $this->withAll();
             }
-            // Model Condition
-            $query = $this->_findByCondition($condition);
 
             // Validation
             if ($runValidation && false===$attributes=$this->validate($attributes, true))
                 return false; 
+                
+            // Model Condition
+            $query = $this->_findByCondition($condition);
 
             $attributes = $this->_attrEventBeforeUpdate($attributes);