diff --git a/model/service.go b/model/service.go
index 428cf45..bcf9e7c 100644
--- a/model/service.go
+++ b/model/service.go
@@ -33,3 +33,17 @@ type Service struct {
 func (Service) TableName() string {
 	return "service"
 }
+
+func (s Service) CountLastStatuses(status StatusCode) uint {
+	var count uint = 0
+
+	for i := range s.Statuses {
+		if s.Statuses[i].Status != status {
+			break
+		}
+
+		count++
+	}
+
+	return count
+}