chore: init repository

internal/user/service.go

@@ -0,0 +1,55 @@
+package user
+
+import (
+	"john/internal/storage/dao"
+	"john/internal/storage/model"
+)
+
+type Service struct {
+	db *Database
+}
+
+func NewService(database *Database) *Service {
+	return &Service{db: database}
+}
+
+func (s *Service) GetUserById(userId string) (*User, error) {
+	user, err := s.db.GetUsersByID(userId)
+	if e, ok := err.(*dao.Error); ok {
+		switch {
+		case e.Type == dao.ErrTypeNotFound:
+			return nil, &model.ErrNotFound
+		default:
+			return nil, &model.ErrInternalServer
+		}
+	} else if err != nil {
+		return nil, &model.ErrInternalServer
+	}
+
+	if user == nil {
+		return nil, &model.ErrNotFound
+	}
+	return user, nil
+}
+
+func (us *Service) GetUserFromGoogleID(googleUserID string) (*User, error) {
+	user, err := us.db.GetUsersByGoogleID(googleUserID)
+	if err != nil {
+		if castedError, ok := err.(*dao.Error); ok {
+			switch castedError.Type {
+			case dao.ErrTypeNotFound:
+				return nil, &model.ErrNotFound
+			default:
+				return nil, &model.ErrInternalServer
+			}
+		}
+		return nil, &model.ErrInternalServer
+	}
+	return user, nil
+}
+
+func (us *Service) CreateUserFromGoogleToken(id string, email string) (*User, error) {
+	user := &User{UserEditable: UserEditable{Email: email}, GoogleID: id}
+	err := us.db.CreateUser(user)
+	return user, err
+}