limit maximum count of tags in a transaction

pkg/api/transactions.go

@@ -646,6 +646,10 @@ func (a *TransactionsApi) TransactionCreateHandler(c *core.WebContext) (any, *er
 		return nil, errs.ErrTransactionTagIdInvalid
 	}
 
+	if len(tagIds) > 10 {
+		return nil, errs.ErrTransactionTagTooMuch
+	}
+
 	pictureIds, err := utils.StringArrayToInt64Array(transactionCreateReq.PictureIds)
 
 	if err != nil {
@@ -772,6 +776,10 @@ func (a *TransactionsApi) TransactionModifyHandler(c *core.WebContext) (any, *er
 		return nil, errs.ErrTransactionTagIdInvalid
 	}
 
+	if len(tagIds) > 10 {
+		return nil, errs.ErrTransactionTagTooMuch
+	}
+
 	pictureIds, err := utils.StringArrayToInt64Array(transactionModifyReq.PictureIds)
 
 	if err != nil {

pkg/errs/transaction_tag.go

@@ -10,4 +10,5 @@ var (
 	ErrTransactionTagNameAlreadyExists    = NewNormalError(NormalSubcategoryTag, 3, http.StatusBadRequest, "transaction tag name already exists")
 	ErrTransactionTagInUseCannotBeDeleted = NewNormalError(NormalSubcategoryTag, 4, http.StatusBadRequest, "transaction tag is in use and cannot be deleted")
 	ErrTransactionTagIndexNotFound        = NewNormalError(NormalSubcategoryTag, 5, http.StatusBadRequest, "transaction tag index not found")
+	ErrTransactionTagTooMuch              = NewNormalError(NormalSubcategoryTag, 6, http.StatusBadRequest, "transaction tags too much")
 )

src/locales/en.json

@@ -1081,6 +1081,7 @@
         "transaction tag name already exists": "Transaction tag title already exists",
         "transaction tag is in use and cannot be deleted": "Transaction tag is in use and it cannot be deleted",
         "transaction tag index not found": "Transaction tag index is not found",
+        "transaction tags too much": "There are too many transaction tags",
         "data export not allowed": "User data export is not allowed",
         "transaction template id is invalid": "Transaction template ID is invalid",
         "transaction template not found": "Transaction template is not found",

src/locales/zh_Hans.json

@@ -1081,6 +1081,7 @@
         "transaction tag name already exists": "交易标签标题已经存在",
         "transaction tag is in use and cannot be deleted": "交易标签正在被使用，无法删除",
         "transaction tag index not found": "交易标签索引不存在",
+        "transaction tags too much": "交易标签过多",
         "data export not allowed": "不允许用户数据导出",
         "transaction template id is invalid": "交易模板ID无效",
         "transaction template not found": "交易模板不存在",