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

timespan/tagcheck.go

@@ -0,0 +1,25 @@
+package timespan
+
+import (
+	"fmt"
+
+	"github.com/jinzhu/gorm"
+	"github.com/traggo/server/model"
+)
+
+func tagsExist(db *gorm.DB, userID int, tags []model.TimeSpanTag) error {
+	existingTags := make(map[string]struct{})
+
+	for _, tag := range tags {
+		if _, ok := existingTags[tag.Key]; ok {
+			return fmt.Errorf("tag '%s' is present multiple times", tag.Key)
+		}
+
+		if db.Where("key = ?", tag.Key).Where("user_id = ?", userID).Find(new(model.TagDefinition)).RecordNotFound() {
+			return fmt.Errorf("tag '%s' does not exist", tag.Key)
+		}
+
+		existingTags[tag.Key] = struct{}{}
+	}
+	return nil
+}