That is the default behaviour: http://book.cakephp.org/2.0/en/models/saving-your-data.html#what-to-do-when-habtm-becomes-complicated
Jeremy Burns Class Outfit http://www.classoutfit.com On 1 May 2012, at 11:02:08, JonStark wrote: > Hello, > > I currently having a problem achieving a follower system with HABTM. > > In a word, my relationships seem to be well set up : > > User HABTM Follower , and in my join table (users_uers) I have the tables ID > (auto increment) user_id and follower_id > > I have a button "follow this user" : > > <!--Follow--> > <?php > echo $this->Form->create('User', array( > 'action' => 'follow', > )); > > echo $this->Form->input('id', array( > 'type' => 'hidden', > 'value' => $user['User']['id'], > )); > > echo ("<input type='submit' class='btn btn-primary' value='Follow'>"); ?></td> > </form><!--End form--> > > With this in the controller : > > public function follow() { > $this->User->set($this->data); > if ($this->request->is('post')) { > $this->request->data['Follower']['follower_id'] = > $this->Auth->user('id'); > $this->User->save($this->request->data); > $this->Session->setFlash(__('You are now following this > user.')); > $this->redirect(array('controller' => 'users', 'action' => > 'index')); > } > } > > I tough this would work ace, and it semmly did, but I have since understood > that when saving a new relationship, Cake erases all previous existing one... > > So if 1 followed by 3, when 3 follows 1 it erases the previous relation... In > a word, it cannot work properly for a follower system. > > I tough that adding the auto increment ID colums would prevent this, but I > was wrong... so how can I save HABTM NEX relationships without erasing > previous ones ? Is there a better solution for a follower system ? Thanks a > lot. > > > -- > Our newest site for the community: CakePHP Video Tutorials > http://tv.cakephp.org > Check out the new CakePHP Questions site http://ask.cakephp.org and help > others with their CakePHP related questions. > > > To unsubscribe from this group, send email to > [email protected] For more options, visit this group at > http://groups.google.com/group/cake-php -- Our newest site for the community: CakePHP Video Tutorials http://tv.cakephp.org Check out the new CakePHP Questions site http://ask.cakephp.org and help others with their CakePHP related questions. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/cake-php
