feat: 사용자 이름이 제공되지 않았을 경우 기본갑 추가

src/services/users.ts

@@ -2,7 +2,6 @@ import { Prisma } from "@prisma/client";
 import { PrismaClientKnownRequestError } from "@prisma/client/runtime/library";
 import { prisma } from "prisma";
 import { HttpError } from "utils/http";
-import { CursorBasedPagination } from "utils/pagination";
 
 // TODO: AuthUser Context 전달하도록 개선
 export const userInclude = (authUserId: number): Prisma.UserInclude => ({
@@ -131,15 +130,22 @@ export async function findByProvider(provider: string, providerId: string) {
   });
 }
 
-export function create(input: {
+export async function create(input: {
   username?: string | null;
   avatarUrl?: string | null;
   provider: string;
   providerId: string;
 }) {
-  return prisma.user.create({
-    data: { ...input },
+  const user = await prisma.user.create({
+    data: input,
   });
+  if (!user.username) {
+    await prisma.user.update({
+      where: { id: user.id },
+      data: { username: `user-${user.id}` },
+    });
+  }
+  return user;
 }
 
 export function update(