You've already forked orderservice
109 lines
2.4 KiB
Go
109 lines
2.4 KiB
Go
package handler
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import (
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"context"
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"orderservice/internal/domain"
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"orderservice/internal/service"
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pb "orderservice/pkg/api/order"
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"github.com/google/uuid"
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)
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type OrderHandler struct {
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pb.UnimplementedOrderServiceServer
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service *service.OrderService
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}
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func NewOrderHandler(service *service.OrderService) *OrderHandler {
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return &OrderHandler{
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service: service,
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}
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}
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func mapDomainStructToHandler(order *domain.Order) *pb.Order {
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return &pb.Order{
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Id: order.ID.String(),
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Item: order.Item,
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Quantity: order.Quantity,
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}
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}
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func (h *OrderHandler) CreateOrder(
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ctx context.Context,
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req *pb.CreateOrderRequest,
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) (*pb.CreateOrderResponse, error) {
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order, err := h.service.Create(ctx, req.GetItem(), req.GetQuantity())
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if err != nil {
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return nil, mapError(err)
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}
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return &pb.CreateOrderResponse{Id: order.ID.String()}, nil
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}
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func (h *OrderHandler) GetOrder(ctx context.Context, req *pb.GetOrderRequest) (*pb.GetOrderResponse, error) {
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parsedID, err := uuid.Parse(req.GetId())
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if err != nil {
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return nil, domain.ErrInvalidID
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}
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order, err := h.service.Get(ctx, parsedID)
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if err != nil {
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return nil, mapError(err)
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}
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return &pb.GetOrderResponse{Order: mapDomainStructToHandler(order)}, nil
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}
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func (h *OrderHandler) UpdateOrder(
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ctx context.Context,
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req *pb.UpdateOrderRequest,
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) (*pb.UpdateOrderResponse, error) {
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parsedID, err := uuid.Parse(req.GetId())
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if err != nil {
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return nil, domain.ErrInvalidID
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}
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order, err := h.service.Update(ctx, parsedID, req.GetItem(), req.GetQuantity())
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if err != nil {
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return nil, mapError(err)
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}
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return &pb.UpdateOrderResponse{Order: mapDomainStructToHandler(order)}, nil
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}
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func (h *OrderHandler) DeleteOrder(
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ctx context.Context,
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req *pb.DeleteOrderRequest,
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) (*pb.DeleteOrderResponse, error) {
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parsedID, err := uuid.Parse(req.GetId())
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if err != nil {
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return nil, domain.ErrInvalidID
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}
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err = h.service.Delete(ctx, parsedID)
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if err != nil {
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return nil, mapError(err)
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}
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return &pb.DeleteOrderResponse{Success: true}, nil
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}
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func (h *OrderHandler) ListOrders(
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ctx context.Context,
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_ *pb.ListOrdersRequest,
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) (*pb.ListOrdersResponse, error) {
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domainOrders, err := h.service.List(ctx)
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if err != nil {
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return nil, mapError(err)
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}
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orders := make([]*pb.Order, 0, len(domainOrders))
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for _, o := range domainOrders {
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orders = append(orders, mapDomainStructToHandler(o))
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}
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return &pb.ListOrdersResponse{Orders: orders}, nil
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}
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