i need to create a module for Opencart for Member get coupon after Review
1) this module need to be managed from admin, so in admin i need to set the cost of coupon and the API key for google and Facebook
2) i need to create a sort of banner o something like that, where client see that after make review get a coupon dicscount
3) the client can select where put the review if on google page or facebook page
4) after client select where he want put the review, after reviewing the system redirect automatically at store and when client make the purchase the coupon will be applied automatically at total of ammount.
5) this module need authorization from facebook and google my business page ( all this they must be entered in the admin panel )