date with shipping for opencart 2302

hi i need build extension to opencart v2302 this need replace the default shipping choose date - and after choose show the shipping options for this day if day not config any shipping he can't clickable to order on admin part i think on admin select days for every shipping like if have enable shipping flat 1 flat 2 fedex I want this give option to select days for can use it like flat1 sunday [] Monday[] …… all week and this give option to select day or remove