refactor: add tag and relation methods to node to enforce integrity

service/node_service.go

@@ -25,21 +25,16 @@ func GetNodeService(cfg Config) (NodeService, error) {
 }
 
 type listFilter struct {
-	tagPrefixes  []string
-	assignee     string
-	mentionsUser string
+	tagPrefixes []string
+	relPrefixes []*models.Rel
 }
 
 type ListOption func(*listFilter)
 
 func WithTags(prefixes ...string) ListOption {
-	return func(f *listFilter) { f.tagPrefixes = prefixes }
+	return func(f *listFilter) { f.tagPrefixes = append(f.tagPrefixes, prefixes...) }
 }
 
-func WithAssignee(userID string) ListOption {
-	return func(f *listFilter) { f.assignee = userID }
-}
-
-func WithMentions(userID string) ListOption {
-	return func(f *listFilter) { f.mentionsUser = userID }
+func WithRels(prefixes ...*models.Rel) ListOption {
+	return func(f *listFilter) { f.relPrefixes = append(f.relPrefixes, prefixes...) }
 }