smm_core/internal/app/server.go

package app

import (
	"context"
	"errors"

	"git.3crabs.ru/save_my_money/smm_core/internal/services/category"
	"git.3crabs.ru/save_my_money/smm_core/internal/services/user"
	proto "git.3crabs.ru/save_my_money/smm_core/proto"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type Server struct {
	proto.UnsafeSmmCoreServer
	categoryService *category.CategoryService
	userService     *user.UserService
}

func NewServer(
	categoryService *category.CategoryService,
	userService *user.UserService,
) proto.SmmCoreServer {
	return &Server{
		categoryService: categoryService,
		userService:     userService,
	}
}

func (s *Server) Ping(_ context.Context, _ *proto.PingReq) (*proto.PingRsp, error) {
	return &proto.PingRsp{}, nil
}

func (s *Server) AddUser(ctx context.Context, req *proto.CreateUserReq) (*proto.User, error) {
	res, err := s.userService.AddUser(
		ctx,
		&user.UserEntity{
			Username: req.Username,
		},
	)
	if err != nil {
		if errors.Is(err, &user.UsernameAlreadyExistsErr{}) {
			return nil, status.Error(codes.AlreadyExists, "Пользователь с таким username уже существует")
		}
		return nil, err
	}
	return &proto.User{
		Id:       int32(res.Id),
		Username: res.Username,
	}, nil
}

func (s *Server) AddCategory(ctx context.Context, req *proto.CreateCategoryReq) (*proto.Category, error) {
	res, err := s.categoryService.AddCategory(
		ctx,
		&category.CategoryEntity{
			Name:         req.Name,
			UserId:       int(req.UserId),
			Favorite:     req.Favorite,
			MonthlyLimit: int(req.MonthlyLimit),
		},
	)
	if err != nil {
		return nil, err
	}
	return &proto.Category{
		Id:           int32(res.Id),
		Name:         res.Name,
		Favorite:     res.Favorite,
		MonthlyLimit: req.MonthlyLimit,
	}, nil
}

// GetCategories implements proto.SmmCoreServer.
func (s *Server) GetCategories(context.Context, *proto.CategoryFilterReq) (*proto.Categories, error) {
	panic("unimplemented")
}

// UpdateCategory implements proto.SmmCoreServer.
func (s *Server) UpdateCategory(context.Context, *proto.UpdateCategoryReq) (*proto.Category, error) {
	panic("unimplemented")
}