From b8acd97c1108b33dfd29bfda4a313935551c3abf Mon Sep 17 00:00:00 2001
From: nyne <me@nyne.dev>
Date: Fri, 5 Sep 2025 16:22:43 +0800
Subject: [PATCH] improve tag creating

---
 frontend/src/components/tag_input.tsx |  6 +++++-
 server/api/tag.go                     | 13 ++++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/frontend/src/components/tag_input.tsx b/frontend/src/components/tag_input.tsx
index fc50661..c7c7651 100644
--- a/frontend/src/components/tag_input.tsx
+++ b/frontend/src/components/tag_input.tsx
@@ -203,7 +203,11 @@ export function QuickAddTagDialog({
       return;
     }
     setError(null);
-    const names = text.split(separator).filter((n) => n.length > 0);
+    let sep: string | RegExp = separator;
+    if (sep === " ") {
+      sep = /\s+/;
+    }
+    const names = text.split(sep).filter((n) => n.length > 0);
     setLoading(true);
     const res = await network.getOrCreateTags(names, type);
     setLoading(false);
diff --git a/server/api/tag.go b/server/api/tag.go
index eb709f9..c019bf5 100644
--- a/server/api/tag.go
+++ b/server/api/tag.go
@@ -1,12 +1,17 @@
 package api
 
 import (
-	"github.com/gofiber/fiber/v3"
 	"net/url"
 	"nysoure/server/model"
 	"nysoure/server/service"
 	"strconv"
 	"strings"
+
+	"github.com/gofiber/fiber/v3"
+)
+
+const (
+	maxTagNameLength = 20
 )
 
 func handleCreateTag(c fiber.Ctx) error {
@@ -15,6 +20,9 @@ func handleCreateTag(c fiber.Ctx) error {
 		return model.NewRequestError("name is required")
 	}
 	tag = strings.TrimSpace(tag)
+	if len([]rune(tag)) > maxTagNameLength {
+		return model.NewRequestError("Tag name too long")
+	}
 	uid, ok := c.Locals("uid").(uint)
 	if !ok {
 		return model.NewUnAuthorizedError("You must be logged in to create a tag")
@@ -159,6 +167,9 @@ func getOrCreateTags(c fiber.Ctx) error {
 		if name == "" {
 			continue
 		}
+		if len([]rune(name)) > maxTagNameLength {
+			return model.NewRequestError("Tag name too long: " + name)
+		}
 		names = append(names, name)
 	}