Add consts

pkg/models/subscription.go

@@ -36,6 +36,12 @@ const (
 	SubscriptionEntityTask
 )
 
+const (
+	entityNamespace = `namespace`
+	entityList      = `list`
+	entityTask      = `task`
+)
+
 // Subscription represents a subscription for an entity
 type Subscription struct {
 	// The numeric ID of the subscription
@@ -64,11 +70,11 @@ func (sb *Subscription) TableName() string {
 
 func getEntityTypeFromString(entityType string) SubscriptionEntityType {
 	switch entityType {
-	case "namespace":
+	case entityNamespace:
 		return SubscriptionEntityNamespace
-	case "list":
+	case entityList:
 		return SubscriptionEntityList
-	case "task":
+	case entityTask:
 		return SubscriptionEntityTask
 	}
 
@@ -79,11 +85,11 @@ func getEntityTypeFromString(entityType string) SubscriptionEntityType {
 func (et SubscriptionEntityType) String() string {
 	switch et {
 	case SubscriptionEntityNamespace:
-		return "namespace"
+		return entityNamespace
 	case SubscriptionEntityList:
-		return "list"
+		return entityList
 	case SubscriptionEntityTask:
-		return "task"
+		return entityTask
 	}
 
 	return ""