cakephp 1.3 paginating habtm related data

I have searched high and low and tried multiple different solutions to this and I cannot seem to get it to work. Basically I have products and categories. Categories has and belongs to many products, and products HABTM categories. They are obviously related in a join table products_categories with id,product_id,category_id fie开发者_C百科lds.

After a simple full bake- models views and controllers are baked - some categories and products are added and their relationships are set I can go to a specific category view page and the pre baked view will show products that are related to this category.

However, there is quite a few products (and will be more) and I am struggling to work out how to paginate all of this related data..as it is unfeasible to just simply list all of the products in a category (there could be 100s or more) Can anybody help? It seems there are quite a few unanswered topics on this and various different solutions, none of which I can get to work! Please help!

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CakePHP controllers have built in pagination. The documentation is thorough, so I would recommend reading that first. Afterwards, I'd be happy to answer any questions you have on the subject.

Without knowing the specific code involved, here is a simple example of how to paginate your model data:

class CategoryController extends AppController {
    var $paginate = array(
        'Product' => array(
            'joins' => array(
                array(
                    'table' => 'categories_products', // or products_categories
                    'alias' => 'CatFilter',
                    'type' => 'INNER',
                    'conditions' => array(
                        'CatFilter.product_id = Product.id'
                    )
                )
            ),
            'limit' => 10
         )
    );

    function view ($category_id) {
        $this->set(
            'products', $this->paginate(
                $this->Category->Product, array(
                    'CatFilter.category_id' => $category_id
                )
             )
        );
    }
}

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You should read this article http://blog.sohaibmuneer.com/using-mysql-inner-join-in-cakephp-pagination and also you can use join in your find query http://book.cakephp.org/1.3/view/1047/Joining-tables