Add exclusive summary endpoint

internal/service/analytics_service.go

@@ -18,6 +18,8 @@ type AnalyticsService interface {
 	GetProductAnalyticsPerCategory(ctx context.Context, req *models.ProductAnalyticsPerCategoryRequest) (*models.ProductAnalyticsPerCategoryResponse, error)
 	GetDashboardAnalytics(ctx context.Context, req *models.DashboardAnalyticsRequest) (*models.DashboardAnalyticsResponse, error)
 	GetProfitLossAnalytics(ctx context.Context, req *models.ProfitLossAnalyticsRequest) (*models.ProfitLossAnalyticsResponse, error)
+	GetExclusiveSummaryPeriod(ctx context.Context, req *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error)
+	GetExclusiveSummaryMonthly(ctx context.Context, req *models.ExclusiveSummaryMonthlyRequest) (*models.ExclusiveSummaryMonthlyResponse, error)
 }
 
 type AnalyticsServiceImpl struct {
@@ -320,3 +322,69 @@ func (s *AnalyticsServiceImpl) validateProfitLossAnalyticsRequest(req *models.Pr
 
 	return nil
 }
+
+func (s *AnalyticsServiceImpl) GetExclusiveSummaryPeriod(ctx context.Context, req *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
+	if err := s.validateExclusiveSummaryPeriodRequest(req); err != nil {
+		return nil, fmt.Errorf("validation error: %w", err)
+	}
+
+	response, err := s.analyticsProcessor.GetExclusiveSummaryPeriod(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get exclusive summary period: %w", err)
+	}
+
+	return response, nil
+}
+
+func (s *AnalyticsServiceImpl) GetExclusiveSummaryMonthly(ctx context.Context, req *models.ExclusiveSummaryMonthlyRequest) (*models.ExclusiveSummaryMonthlyResponse, error) {
+	if err := s.validateExclusiveSummaryMonthlyRequest(req); err != nil {
+		return nil, fmt.Errorf("validation error: %w", err)
+	}
+
+	response, err := s.analyticsProcessor.GetExclusiveSummaryMonthly(ctx, req)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get exclusive summary monthly: %w", err)
+	}
+
+	return response, nil
+}
+
+func (s *AnalyticsServiceImpl) validateExclusiveSummaryPeriodRequest(req *models.ExclusiveSummaryPeriodRequest) error {
+	if req == nil {
+		return fmt.Errorf("request cannot be nil")
+	}
+
+	if req.OrganizationID == uuid.Nil {
+		return fmt.Errorf("organization_id is required")
+	}
+
+	if req.DateFrom.IsZero() {
+		return fmt.Errorf("date_from is required")
+	}
+
+	if req.DateTo.IsZero() {
+		return fmt.Errorf("date_to is required")
+	}
+
+	if req.DateFrom.After(req.DateTo) {
+		return fmt.Errorf("date_from cannot be after date_to")
+	}
+
+	return nil
+}
+
+func (s *AnalyticsServiceImpl) validateExclusiveSummaryMonthlyRequest(req *models.ExclusiveSummaryMonthlyRequest) error {
+	if req == nil {
+		return fmt.Errorf("request cannot be nil")
+	}
+
+	if req.OrganizationID == uuid.Nil {
+		return fmt.Errorf("organization_id is required")
+	}
+
+	if req.Month.IsZero() {
+		return fmt.Errorf("month is required")
+	}
+
+	return nil
+}

internal/service/analytics_service_test.go

@@ -41,6 +41,14 @@ func (analyticsProcessorStub) GetProfitLossAnalytics(context.Context, *models.Pr
 	return nil, nil
 }
 
+func (analyticsProcessorStub) GetExclusiveSummaryPeriod(context.Context, *models.ExclusiveSummaryPeriodRequest) (*models.ExclusiveSummaryPeriodResponse, error) {
+	return &models.ExclusiveSummaryPeriodResponse{}, nil
+}
+
+func (analyticsProcessorStub) GetExclusiveSummaryMonthly(context.Context, *models.ExclusiveSummaryMonthlyRequest) (*models.ExclusiveSummaryMonthlyResponse, error) {
+	return &models.ExclusiveSummaryMonthlyResponse{}, nil
+}
+
 func TestAnalyticsServiceGetPurchasingAnalyticsValidation(t *testing.T) {
 	service := NewAnalyticsServiceImpl(analyticsProcessorStub{})
 	now := time.Date(2026, 5, 1, 0, 0, 0, 0, time.UTC)