// Delete a customer for a given shop.
// Note: Can't delete if the customer has existing orders.
func DeleteCustomer(w http.ResponseWriter, req *http.Request, params martini.Params, enc encoding.Encoder, shop *cart.Shop) string {
var c cart.Customer
customerId := params["id"]
if !bson.IsObjectIdHex(customerId) {
apierror.GenerateError("invalid customer reference", nil, w, req)
return ""
}
c.Id = bson.ObjectIdHex(customerId)
c.ShopId = shop.Id
if err := c.Delete(); err != nil {
apierror.GenerateError(err.Error(), err, w, req)
return ""
}
return ""
}