chore: overhaul onboarding steps

internal/service/account.go

@@ -0,0 +1,58 @@
+package service
+
+import (
+	"fmt"
+	"time"
+
+	"git.juancwu.dev/juancwu/budgit/internal/model"
+	"git.juancwu.dev/juancwu/budgit/internal/repository"
+	"github.com/google/uuid"
+)
+
+const DefaultAccountName = "Money Account"
+
+type AccountService struct {
+	accountRepo repository.AccountRepository
+}
+
+func NewAccountService(accountRepo repository.AccountRepository) *AccountService {
+	return &AccountService{accountRepo: accountRepo}
+}
+
+func (s *AccountService) CreateAccount(spaceID, name string) (*model.Account, error) {
+	if spaceID == "" {
+		return nil, fmt.Errorf("space id is required")
+	}
+	if name == "" {
+		return nil, fmt.Errorf("account name cannot be empty")
+	}
+
+	now := time.Now()
+	account := &model.Account{
+		ID:        uuid.NewString(),
+		Name:      name,
+		SpaceID:   spaceID,
+		CreatedAt: now,
+		UpdatedAt: now,
+	}
+	if err := s.accountRepo.Create(account); err != nil {
+		return nil, fmt.Errorf("failed to create account: %w", err)
+	}
+	return account, nil
+}
+
+func (s *AccountService) GetAccount(id string) (*model.Account, error) {
+	account, err := s.accountRepo.ByID(id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get account: %w", err)
+	}
+	return account, nil
+}
+
+func (s *AccountService) GetAccountsForSpace(spaceID string) ([]*model.Account, error) {
+	accounts, err := s.accountRepo.BySpaceID(spaceID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get accounts for space: %w", err)
+	}
+	return accounts, nil
+}