handler

type ProductHandler interface {
	GetProduct(*gin.Context)    //GetProduct --> returns product by id
	GetAllProduct(*gin.Context) //GetAllProduct --> returns all products
	AddProduct(*gin.Context)    //AddProduct --> adds new product
	UpdateProduct(*gin.Context) //UpdateProduct --> updates product
	DeleteProduct(*gin.Context) //DeleteProduct --> deletes product
}

type UserHandler interface {
	AddUser(*gin.Context)           //AddUser
	GetUser(*gin.Context)           //GetUser
	GetAllUser(*gin.Context)        //GetAllUser
	SignInUser(*gin.Context)        //SignInUser
	UpdateUser(*gin.Context)        //UpdateUser
	DeleteUser(*gin.Context)        //DeleteUser
	GetProductOrdered(*gin.Context) //GetProductOrdered
}