api

Documentation

Index

• func CheckoutProduct(conn *pgxpool.Pool, config utils.Config, body models.CheckoutModel, ...)

Functions

func CheckoutProduct

func CheckoutProduct(conn *pgxpool.Pool, config utils.Config, body models.CheckoutModel, lock *sync.RWMutex)

CheckoutProduct implements the checkout process. Steps as follows - 1. Finds the products against cart [call to cart microservice] 2. Finds the product details [call to product microservice] 3. Allocates the quantity to the customer after successfull payment. Uses the concept of reserve quantity to race condition [assumes dummy payment microservice] Please not this implementation acruire lock also for handling race condition