Paginate a search result in CakePHP - cakephp

Question

I've set a simple search engine on my CakePHP project which looks like that :
<?php
echo $this->Form->create("Post", array(
"action" => "search",
"id" => "searchForm"
));
echo $this->Form->input("keyword", array(
"label" => "",
"type" => "search",
"placeholder" => "Recherche..."
));
echo $this->Form->end();
?>
Here is the controller :
function search() {
$keyword = $this->request->data;
$keyword = $keyword["Post"]["keyword"];
$cond = array("OR" => array(
"Post.title LIKE '%$keyword%'",
"Post.description LIKE '%$keyword%'"
));
$posts = $this->Post->find("all", array("conditions" => $cond));
$this->set(compact("posts", "keyword"));
}
And it works great. The only problem is when I want to paginate the results. I simply add :
$posts = $this->paginate();
And here is the problem. When I add this, CakePHP give me all the posts and not only the ones that match the keyword.
So, if you would have a solution, it would be nice :)

Answer 1

According to the CakePHP book you should be able to do
$this->paginate('Post', array(
'OR' => array(
'Post.title LIKE' => "%$keyword%",
'Post.description LIKE' => "%$keyword%"
)
));
Or you can do it like this ( from the cakephp site ).
public function list_recipes() {
$this->paginate = array(
'conditions' => array('Recipe.title LIKE' => 'a%'),
'limit' => 10
);
$data = $this->paginate('Recipe');
$this->set(compact('data'));
);
Source:
http://book.cakephp.org/2.0/en/core-libraries/components/pagination.html

Answer 2

Paginate does its own lookup on the data I believe. The find you are calling previously has no effect on the paginate.
Try this:
$this->paginate = array( 'conditions' => $cond, ));

Answer 3

you can use Session for storing conditions
the first, when you submit form you store conditions into Session
and then(paginate) you can read conditions from Session
example i want to search the products:
Products/search.ctp
<?php
echo $this->Form->create('Product');
echo $this->Form->input('keyword');
echo $this->Form->end(__('Search'));
?>
ProductsController.php
<?php
class ProductsController extends AppController{
public function search() {
if ($this->request->is('post')) {
$keyword = $this->request->data['Product']['keyword'];
$this->paginate = array(
'fields' => array('Product.name', 'Product.price', 'Product.created'),
'order' => array('Product.created' => 'DESC', 'Product.price' => 'DESC'),
'limit' => 30,
'conditions' => array('Product.name LIKE' => '%' . $keyword . '%')
);
// store array $this->paginate into Session
$this->Session->write('paginate', $this->paginate);
}
$this->paginate = $this->Session->read('paginate');
$this->set('products', $this->paginate('Product'));
}
}