__note-03.txt

//filter product 

1 body theke duita data nobo, checked and radio.
checked hocce array of category= ["543423","12234"]
radio hocce array of price= [0,200]

2 then totalnumber of item in count and pagination which i already know

3 searching is also easy.implemented in business table project

4 related products is a new thing here,
aikhane body dea category and id pathabo.
then query korbo like, category dea search but ne mane not equal to this id.
controller ta r akbar dekhe eshe abr text ta porle beshi easy hobe.

//product by category 

in category controller --> productsByCategory
in category route --> router.get("/products-by-category/:slug", productsByCategory);
-> controller has some comments to understand the functionality