ruby on rails - Cake PHP Routing issue -

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i need special routing in cake, can't life of me figure out.

i have shop controller @ /shop, format of url be:

/shop/:category/:sub_category/:product_slug

in routing need send each part of url different action, example if url /shop/cakes go category action of shop.

however if url /shop/cakes/macaroons or /shop/cakes/fairy go sub category action on shop controller.

and the same again /shop/cakes/macaroons/pistachio go product action on shop controller.

how go in routing? starting 

router::connect('/shop/:category/:sub_category/:product_slug' ...

or way off mark? thanks.

you'll need 3 routes, in order:

router::connect(     '/shop/:category/:sub_category/:product_slug',     array('controller'=>'shops','action'=>'product'),     array('pass'=>array('product_slug')) ); // dispatches shopscontroller::product( $product_slug ) /*  * reverse route:   *     array(  *         'controller'=>'shops','action'=>'product',  *         'category'=>$some_category', 'sub_category'=>$some_sub_category  *         'product_slug'=>$some_product_slug  *     )  */  router::connect(     '/shop/:category/:sub_category',     array('controller'=>'shops','action'=>'subcategory'),     array('pass'=>array('sub_category')) ); // dispatches shopscontroller::subcategory( $sub_category ) /*  * reverse route:   *     array(  *         'controller'=>'shops','action'=>'product',  *         'category'=>$some_category', 'sub_category'=>$some_sub_category  *     )  */  router::connect(     '/shop/:category',     array('controller'=>'shops','action'=>'category'),     array('pass'=>array('category')) ); // dispatches shopscontroller::category( $category ) /*  * reverse route:   *     array(  *         'controller'=>'shops','action'=>'product',  *         'category'=>$some_category'  *     )  */

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