Prepara versao dev 1.0

backend/internal/service/tenant_service.go

@@ -0,0 +1,91 @@
+package service
+
+import (
+	"database/sql"
+	"errors"
+
+	"aggios-app/backend/internal/domain"
+	"aggios-app/backend/internal/repository"
+
+	"github.com/google/uuid"
+)
+
+var (
+	ErrTenantNotFound = errors.New("tenant not found")
+)
+
+// TenantService handles tenant business logic
+type TenantService struct {
+	tenantRepo *repository.TenantRepository
+}
+
+// NewTenantService creates a new tenant service
+func NewTenantService(tenantRepo *repository.TenantRepository) *TenantService {
+	return &TenantService{
+		tenantRepo: tenantRepo,
+	}
+}
+
+// Create creates a new tenant
+func (s *TenantService) Create(req domain.CreateTenantRequest) (*domain.Tenant, error) {
+	// Check if subdomain already exists
+	exists, err := s.tenantRepo.SubdomainExists(req.Subdomain)
+	if err != nil {
+		return nil, err
+	}
+	if exists {
+		return nil, ErrSubdomainTaken
+	}
+
+	tenant := &domain.Tenant{
+		Name:      req.Name,
+		Domain:    req.Domain,
+		Subdomain: req.Subdomain,
+	}
+
+	if err := s.tenantRepo.Create(tenant); err != nil {
+		return nil, err
+	}
+
+	return tenant, nil
+}
+
+// GetByID retrieves a tenant by ID
+func (s *TenantService) GetByID(id uuid.UUID) (*domain.Tenant, error) {
+	tenant, err := s.tenantRepo.FindByID(id)
+	if err != nil {
+		return nil, err
+	}
+	if tenant == nil {
+		return nil, ErrTenantNotFound
+	}
+	return tenant, nil
+}
+
+// GetBySubdomain retrieves a tenant by subdomain
+func (s *TenantService) GetBySubdomain(subdomain string) (*domain.Tenant, error) {
+	tenant, err := s.tenantRepo.FindBySubdomain(subdomain)
+	if err != nil {
+		return nil, err
+	}
+	if tenant == nil {
+		return nil, ErrTenantNotFound
+	}
+	return tenant, nil
+}
+
+// ListAll retrieves all tenants
+func (s *TenantService) ListAll() ([]*domain.Tenant, error) {
+	return s.tenantRepo.FindAll()
+}
+
+// Delete removes a tenant by ID
+func (s *TenantService) Delete(id uuid.UUID) error {
+	if err := s.tenantRepo.Delete(id); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return ErrTenantNotFound
+		}
+		return err
+	}
+	return nil
+}