今天做了好多工作啊

src/auth.ts

@@ -0,0 +1,30 @@
+import NextAuth from "next-auth";
+import GitHub from "next-auth/providers/github";
+import { createUserIfNotExists, getUserIdByEmail } from "./lib/actions/services/userService";
+
+export const { handlers, auth, signIn, signOut } = NextAuth({
+    providers: [
+        GitHub({
+            clientId: process.env.GITHUB_CLIENT_ID!,
+            clientSecret: process.env.GITHUB_CLIENT_SECRET!,
+        }),
+    ],
+
+    callbacks: {
+        async signIn({ user }) {
+            if (!user.email) return false;
+            await createUserIfNotExists(user.email, user.name);
+            return true
+        },
+        async session({ session }) {
+            if (session.user?.email) {
+                const userId = await getUserIdByEmail(session.user.email);
+
+                if (userId) {
+                    session.user.id = userId.toString();
+                }
+            }
+            return session;
+        },
+    },
+});