增加客服分组管理

backend/internal/modules/supportgroup/service.go

@@ -0,0 +1,77 @@
+package supportgroup
+
+import (
+	"context"
+	"strings"
+)
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(repo *Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) List(ctx context.Context) ([]GroupDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.List(ctx)
+}
+
+func (s *Service) FindByID(ctx context.Context, id uint64) (*GroupDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.FindByID(ctx, id)
+}
+
+func (s *Service) Create(ctx context.Context, req CreateGroupRequest) (*GroupDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	req.Name = strings.TrimSpace(req.Name)
+	if req.Name == "" {
+		return nil, ErrInvalidGroup
+	}
+	return s.repo.Create(ctx, req)
+}
+
+func (s *Service) Update(ctx context.Context, id uint64, req UpdateGroupRequest) (*GroupDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	req.Name = strings.TrimSpace(req.Name)
+	if id == 0 || req.Name == "" {
+		return nil, ErrInvalidGroup
+	}
+	return s.repo.Update(ctx, id, req)
+}
+
+func (s *Service) Delete(ctx context.Context, id uint64) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if id == 0 {
+		return ErrInvalidGroup
+	}
+	return s.repo.Delete(ctx, id)
+}
+
+func (s *Service) AssignMembers(ctx context.Context, id uint64, req AssignMembersRequest) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if id == 0 {
+		return ErrInvalidGroup
+	}
+	return s.repo.AssignMembers(ctx, id, req.MemberIDs)
+}
+
+func (s *Service) ListSupportAdmins(ctx context.Context) ([]MemberDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.ListSupportAdmins(ctx)
+}