fix: LABEL_ALREADY_EXIST bug occured during label creation

* comparing both user_id and label name when looking for an existing matching label

packages/api/src/repository/label.ts

@@ -46,9 +46,12 @@ export const labelRepository = appDataSource.getRepository(Label).extend({
     return this.findOneBy({ id })
   },
 
-  findByName(name: string) {
+  findByName(name: string, userId: string) {
     return this.createQueryBuilder()
-      .where('LOWER(name) = LOWER(:name)', { name }) // case insensitive
+      .where('user_id = :userId AND LOWER(name) = LOWER(:name)', {
+        name,
+        userId,
+      }) // case insensitive
       .getOne()
   },
 

packages/api/src/resolvers/labels/index.ts

@@ -90,7 +90,7 @@ export const createLabelResolver = authorized<
   CreateLabelError,
   MutationCreateLabelArgs
 >(async (_, { input }, { authTrx, uid }) => {
-  const existingLabel = await labelRepository.findByName(input.name)
+  const existingLabel = await labelRepository.findByName(input.name, uid)
   if (existingLabel) {
     return {
       errorCodes: [CreateLabelErrorCode.LabelAlreadyExists],