Code@HexFlux

 
<h2>Filter Messages</h2>
<?php
echo $form->create('Message', array('action' => 'filter_messages'));
echo $form->input('message');
echo $form->input('from');
echo $form->end('Submit Filter');
?>
<hr />
<h2>Filter Results: </h2>
<?php
//display apa kita jumpa kat sini
foreach($messages as $message):
    echo $message['Message']['message'] ;
    echo "<hr />";
endforeach;
?>

 
function filter_messages() {
        //simple initialization for the variable that'll carry the result
        $messages = array();
        //checks if we sent something to filter via the form (remember sent items go to $this->data)
        if($this->data) {
 
            /*
             * here comes postConditions
             * first parameter is the posted value,
             * 
             * the second parameter (array('message' => 'LIKE'))
             * tells postCondition for the fields we're looking at and what type of
             * condition we want to use for that field item. So in this case, we want to use 'LIKE' for field 'message'
             * therefore the sql generated will look similar to "SELECT * FROM messages as Message WHERE Message.message LIKE '%whatever%' "
             * 
             * the third parameter, will tell what is the boolean condition among each
             * condition we set for the find (you know like if we want 'message' is like 'b' AND the message came from 'dude')
             * 
             * last and quite least (heh), if we set true, only the fields we set in the second parameter will be considered. 
             * if false, any field in $this->data will be used. nifty huh.
             */
            $conditions = $this->postConditions( $this->data,
                                                 array('message' => 'LIKE'),
                                                 'OR',
                                                 false
                                               );
 
            //the usual find() function.
            $messages = $this->Message->find('all', array('conditions'=> $conditions));
        }
 
        //sends result to the view.
        $this->set('messages', $messages);
 
    }
?>

<?php
 $tobefiltered = array('Message' => (
                        array(
                               'message'=>'this is my message',
                               'created' => '2009-09-09 21:09:09',
                               'from' => '013xxxxxxxxxx'
                              )
                       );
 $condition_generated = $this->postConditions($tobefiltered);
 
?>