perf: query data AS OF SYSTEM TIME (#5231)

Queries the data in the storage layser at the timestamp when the call hit the API layer

internal/query/quota_period.go

@@ -0,0 +1,30 @@
+package query
+
+import (
+	"context"
+	"time"
+
+	"github.com/zitadel/zitadel/internal/repository/quota"
+)
+
+func (q *Queries) GetCurrentQuotaPeriod(ctx context.Context, instanceID string, unit quota.Unit) (*quota.AddedEvent, time.Time, error) {
+	rm, err := q.getQuotaReadModel(ctx, instanceID, instanceID, unit)
+	if err != nil || !rm.active {
+		return nil, time.Time{}, err
+	}
+
+	return rm.config, pushPeriodStart(rm.config.From, rm.config.ResetInterval, time.Now()), nil
+}
+
+func pushPeriodStart(from time.Time, interval time.Duration, now time.Time) time.Time {
+	next := from.Add(interval)
+	if next.After(now) {
+		return from
+	}
+	return pushPeriodStart(next, interval, now)
+}
+
+func (q *Queries) getQuotaReadModel(ctx context.Context, instanceId, resourceOwner string, unit quota.Unit) (*quotaReadModel, error) {
+	rm := newQuotaReadModel(instanceId, resourceOwner, unit)
+	return rm, q.eventstore.FilterToQueryReducer(ctx, rm)
+}