budgit/internal/service/space.go
2026-01-14 18:19:13 +00:00

90 lines
2.4 KiB
Go

package service
import (
"fmt"
"time"
"git.juancwu.dev/juancwu/budgit/internal/model"
"git.juancwu.dev/juancwu/budgit/internal/repository"
"github.com/google/uuid"
)
const PersonalSpaceName = "Personal Space"
type SpaceService struct {
spaceRepo repository.SpaceRepository
}
func NewSpaceService(spaceRepo repository.SpaceRepository) *SpaceService {
return &SpaceService{
spaceRepo: spaceRepo,
}
}
// CreateSpace creates a new space and sets the owner.
func (s *SpaceService) CreateSpace(name string, ownerID string) (*model.Space, error) {
if name == "" {
return nil, fmt.Errorf("space name cannot be empty")
}
space := &model.Space{
ID: uuid.NewString(),
Name: name,
OwnerID: ownerID,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
err := s.spaceRepo.Create(space)
if err != nil {
return nil, fmt.Errorf("failed to create space: %w", err)
}
return space, nil
}
// EnsurePersonalSpace creates a "Personal Space" for a user if one doesn't exist.
func (s *SpaceService) EnsurePersonalSpace(user *model.User) (*model.Space, error) {
spaces, err := s.spaceRepo.ByUserID(user.ID)
if err != nil {
return nil, fmt.Errorf("failed to get user spaces: %w", err)
}
// Check if a personal space already exists.
// We identify it by the user being the owner and the name being the default.
for _, space := range spaces {
if space.OwnerID == user.ID && space.Name == PersonalSpaceName {
return space, nil // Personal space already exists
}
}
// If no personal space, create one.
return s.CreateSpace(PersonalSpaceName, user.ID)
}
// GetSpacesForUser returns all spaces a user is a member of.
func (s *SpaceService) GetSpacesForUser(userID string) ([]*model.Space, error) {
spaces, err := s.spaceRepo.ByUserID(userID)
if err != nil {
return nil, fmt.Errorf("failed to get spaces for user: %w", err)
}
return spaces, nil
}
// GetSpace retrieves a single space by its ID.
func (s *SpaceService) GetSpace(spaceID string) (*model.Space, error) {
space, err := s.spaceRepo.ByID(spaceID)
if err != nil {
return nil, fmt.Errorf("failed to get space: %w", err)
}
return space, nil
}
// IsMember checks if a user is a member of a given space.
func (s *SpaceService) IsMember(userID, spaceID string) (bool, error) {
isMember, err := s.spaceRepo.IsMember(spaceID, userID)
if err != nil {
return false, fmt.Errorf("failed to check membership: %w", err)
}
return isMember, nil
}