endpoints.go

// endpoints.go

func makeGetUserEndpoint(userService user.Service) endpoint.Endpoint {
    return func(ctx context.Context, request interface{}) (interface{}, error) {
        req := request.(*GetUserRequest)
        user, err := userService.GetUser(req.User)
        if err != nil {
            return &GetUserResponse{Error: err.(*Error)}, nil
        }
        return &GetUserResponse{User: user}, nil
    }
}