service backend

api/pkg/proto/timeutil/time.go

@@ -0,0 +1,40 @@
+package timeutil
+
+import (
+	"time"
+
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+// UnixMilliToTime converts Unix milliseconds to time.Time
+func UnixMilliToTime(ms int64) time.Time {
+	return time.Unix(0, ms*int64(time.Millisecond))
+}
+
+// TimeToUnixMilli converts time.Time to Unix milliseconds
+func TimeToUnixMilli(t time.Time) int64 {
+	return t.UnixMilli()
+}
+
+// ProtoToTime converts a protobuf Timestamp to time.Time
+// Returns zero time if timestamp is nil
+func ProtoToTime(ts *timestamppb.Timestamp) time.Time {
+	if ts == nil {
+		return time.Time{}
+	}
+	return ts.AsTime()
+}
+
+// TimeToProto converts time.Time to protobuf Timestamp
+// Returns nil for zero time
+func TimeToProto(t time.Time) *timestamppb.Timestamp {
+	if t.IsZero() {
+		return nil
+	}
+	return timestamppb.New(t)
+}
+
+// NowProto returns current time as protobuf Timestamp
+func NowProto() *timestamppb.Timestamp {
+	return timestamppb.Now()
+}