Creating Products from Front End

Hi,

Currently I am trying to create a custom front page CMS for adding products for customers. However I am trying to place the product into a category. I have the following codes:

$post = array(
				  'ID'             => $product_id ,
				  'menu_order'     => null ,
				  'comment_status' => 'closed' ,
				  'ping_status'    => 'closed' ,
				  'pinged'         => null,
				  'post_author'    => $user->ID,
				  'post_category'  => array(15),
				  'post_content'   => "test1" ,
				  'post_date'      => date('Y-m-d H:i:s') ,
				  'post_date_gmt'  => date('Y-m-d H:i:s') ,
				  'post_excerpt'   => null ,
				  'post_name'      => "test1" ,
				  'post_parent'    => null,
				  'post_password'  => null ,
				  'post_status'    => 'publish' ,
				  'post_title'     => "test1" ,
				  'post_type'      => 'product' ,
				  'tags_input'     => null,
				  'to_ping'        => null,
				  'tax_input'      => null
				);
				wp_insert_post( $post, $wp_error );

The category ID is 15. I even tried this:
wp_set_post_terms(139,array(15),'',true);

Also has anyone been able to have quick codes for setting variable attributes to product based on the page ID?

http://wordpress.org/extend/plugins/woocommerce/

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