feat(reports): derive analytics aggregates

internal/repository/reporting_event_repo.go

@@ -17,6 +17,13 @@ func NewReportingEventRepo(db *gorm.DB) *ReportingEventRepo {
 	return &ReportingEventRepo{db: db}
 }
 
+func (r *ReportingEventRepo) DB() *gorm.DB {
+	if r == nil {
+		return nil
+	}
+	return r.db
+}
+
 func (r *ReportingEventRepo) Create(ctx context.Context, event *model.ReportingEvent) error {
 	return r.db.WithContext(ctx).Create(event).Error
 }
@@ -75,4 +82,4 @@ func (r *ReportingEventRepo) FindByAccountIDAndTimeRange(ctx context.Context, ac
 		Where("account_id = ? AND event_start_time >= ? AND event_end_time <= ?", accountID, since, until).
 		Find(&events).Error
 	return events, err
-}
+}

internal/repository/reporting_events_rollup_repo.go

@@ -17,6 +17,13 @@ func NewReportingEventsRollupRepo(db *gorm.DB) *ReportingEventsRollupRepo {
 	return &ReportingEventsRollupRepo{db: db}
 }
 
+func (r *ReportingEventsRollupRepo) DB() *gorm.DB {
+	if r == nil {
+		return nil
+	}
+	return r.db
+}
+
 func (r *ReportingEventsRollupRepo) Create(ctx context.Context, rollup *model.ReportingEventsRollup) error {
 	return r.db.WithContext(ctx).Create(rollup).Error
 }
@@ -82,4 +89,4 @@ func (r *ReportingEventsRollupRepo) FindByAccountAndDateRangeWithDimension(ctx c
 	}
 	err := query.Find(&rollups).Error
 	return rollups, err
-}
+}