Add Quick Add Tag functionality and improve tag management in Edit and Publish pages

server/api/tag.go

@@ -137,6 +137,49 @@ func getAllTags(c fiber.Ctx) error {
 	})
 }
 
+func getOrCreateTags(c fiber.Ctx) error {
+	uid, ok := c.Locals("uid").(uint)
+	if !ok {
+		return model.NewUnAuthorizedError("You must be logged in to get or create tags")
+	}
+
+	type GetOrCreateTagsRequest struct {
+		Names   []string `json:"names"`
+		TagType string   `json:"type"`
+	}
+
+	var req GetOrCreateTagsRequest
+	if err := c.Bind().JSON(&req); err != nil {
+		return model.NewRequestError("Invalid request format")
+	}
+
+	names := make([]string, 0, len(req.Names))
+	for _, name := range req.Names {
+		name = strings.TrimSpace(name)
+		if name == "" {
+			continue
+		}
+		names = append(names, name)
+	}
+
+	if len(names) == 0 {
+		return model.NewRequestError("At least one tag name is required")
+	}
+
+	tagType := strings.TrimSpace(req.TagType)
+
+	tags, err := service.GetOrCreateTags(uid, names, tagType)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).JSON(model.Response[*[]model.TagView]{
+		Success: true,
+		Data:    &tags,
+		Message: "Tags retrieved or created successfully",
+	})
+}
+
 func AddTagRoutes(api fiber.Router) {
 	tag := api.Group("/tag")
 	{
@@ -146,5 +189,6 @@ func AddTagRoutes(api fiber.Router) {
 		tag.Put("/:id/info", handleSetTagInfo)
 		tag.Get("/:name", handleGetTagByName)
 		tag.Get("/", getAllTags)
+		tag.Post("/batch", getOrCreateTags)
 	}
 }

server/dao/tag.go

@@ -16,6 +16,15 @@ func CreateTag(tag string) (model.Tag, error) {
 	return t, nil
 }
 
+func CreateTagWithType(tag string, tagType string) (model.Tag, error) {
+	// Create a new tag with a specific type in the database
+	t := model.Tag{Name: tag, Type: tagType}
+	if err := db.Create(&t).Error; err != nil {
+		return model.Tag{}, err
+	}
+	return t, nil
+}
+
 func SearchTag(keyword string, mainTag bool) ([]model.Tag, error) {
 	// Search for a tag by its name in the database
 	var t []model.Tag

server/service/tag.go

@@ -134,3 +134,30 @@ func GetTagList() ([]model.TagViewWithCount, error) {
 	}
 	return cachedTagList, nil
 }
+
+func GetOrCreateTags(uid uint, names []string, tagType string) ([]model.TagView, error) {
+	canUpload, err := checkUserCanUpload(uid)
+	if err != nil {
+		log.Error("Error checking user permissions:", err)
+		return nil, model.NewInternalServerError("Error checking user permissions")
+	}
+	if !canUpload {
+		return nil, model.NewUnAuthorizedError("User cannot create tags")
+	}
+	tags := make([]model.TagView, 0, len(names))
+	for _, name := range names {
+		t, err := dao.GetTagByName(name)
+		if err != nil {
+			if model.IsNotFoundError(err) {
+				t, err = dao.CreateTagWithType(name, tagType)
+				if err != nil {
+					return nil, err
+				}
+			} else {
+				return nil, err
+			}
+		}
+		tags = append(tags, *t.ToView())
+	}
+	return tags, updateCachedTagList()
+}