snapshot of https://github.com/traggo/server.git (master, 2026-09-16; blobs > 131072B omitted)

dashboard/entry/tagcheck.go

@@ -0,0 +1,33 @@
+package entry
+
+import (
+	"fmt"
+
+	"github.com/traggo/server/model"
+)
+
+func tagsDuplicates(tags []model.DashboardTagFilter) error {
+	existingTags := make(map[model.DashboardTagFilter]struct{})
+
+	for _, tag := range tags {
+		if _, ok := existingTags[tag]; ok {
+			tagType := "exclude"
+			if tag.Include {
+				tagType = "include"
+			}
+
+			return fmt.Errorf("%s tags: tag '%s' is present multiple times", tagType, tag.Key+":"+tag.StringValue)
+		} else {
+			copyTag := tag
+			copyTag.Include = !copyTag.Include
+
+			if _, ok := existingTags[copyTag]; ok {
+				return fmt.Errorf("tag '%s' is present in both exclude tags and include tags", tag.Key+":"+tag.StringValue)
+			}
+		}
+
+		existingTags[tag] = struct{}{}
+	}
+
+	return nil
+}