feat: activity log backend foundation

internal/infrastructure/useCases/GetActivitySummary.go

@@ -0,0 +1,23 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/audit"
+	"time"
+)
+
+type GetActivitySummaryUseCase struct {
+	events audit.Repository
+	now    func() time.Time
+}
+
+func NewGetActivitySummaryUseCase(events audit.Repository, now func() time.Time) *GetActivitySummaryUseCase {
+	return &GetActivitySummaryUseCase{events, now}
+}
+
+func (g *GetActivitySummaryUseCase) GetActivitySummary(query ActivityQuery) (audit.Summary, error) {
+	window, err := resolveActivityWindow(query, g.now())
+	if err != nil {
+		return audit.Summary{}, err
+	}
+	return g.events.Summary(audit.SummaryQuery{From: window.from, To: window.to})
+}