Coses issue #39 Add set_expr to Paris

Author: treffynnon

README.markdown

@@ -29,6 +29,7 @@ Changelog
 
 * Exclude tests and git files from git exports (used by composer)
 * Update included Idiorm version for tests
+* Implement `set_expr` - closes issue #39
 
 #### 1.2.0 - released 2012-11-14
 
@@ -355,6 +356,13 @@ To check whether a property has been changed since the object was created (or la
 
     $name_has_changed = $person->is_dirty('name'); // Returns true or false
 
+You can also use database expressions when setting values on your model:
+
+    $user = Model::factory('User')->find_one($id);
+    $user->name = 'Paris';
+    $user->set_expr('last_logged_in', 'NOW()');
+    $user->save();
+
 Of course, because these objects are instances of your base model classes, you can also call methods that you have defined on them:
 
     class User extends Model {

paris.php

@@ -353,11 +353,22 @@ public function get($property) {
 
         /**
          * Setter method, allows $model->set('property', 'value') access to data.
+         * @param string|array $key
+         * @param string|null $value
          */
         public function set($property, $value = null) {
             $this->orm->set($property, $value);
         }
 
+        /**
+         * Setter method, allows $model->set_expr('property', 'value') access to data.
+         * @param string|array $key
+         * @param string|null $value
+         */
+        public function set_expr($property, $value = null) {
+            $this->orm->set_expr($property, $value);
+        }
+
         /**
          * Check whether the given field has changed since the object was created or saved
          */

test/test_queries.php

@@ -93,6 +93,14 @@ class Widget extends Model {
     $expected = "DELETE FROM `widget` WHERE `id` = '1'";
     Tester::check_equal("Delete data", $expected);
 
+    $widget = Model::factory('Widget')->create();
+    $widget->name = "Fred";
+    $widget->age = 10;
+    $widget->set_expr('added', 'NOW()');
+    $widget->save();
+    $expected = "INSERT INTO `widget` (`name`, `age`, `added`) VALUES ('Fred', '10', NOW())";
+    Tester::check_equal("Insert data containing an expression", $expected);
+
     class Profile extends Model {
         public function user() {
             return $this->belongs_to('User');