update

internal/api/params.go

@@ -0,0 +1,13 @@
+package api
+
+import "github.com/gin-gonic/gin"
+
+// firstPathParam returns the first non-empty route param from the provided names.
+func firstPathParam(c *gin.Context, names ...string) string {
+	for _, name := range names {
+		if value := c.Param(name); value != "" {
+			return value
+		}
+	}
+	return ""
+}