finally building

apps/student/auth.ts

@@ -0,0 +1,87 @@
+import NextAuth, { type DefaultSession } from 'next-auth';
+import type { NextAuthConfig } from 'next-auth';
+import Google from "next-auth/providers/google";
+import { db, admins, students } from '@workspace/db';
+import { eq } from '@workspace/db/drizzle';
+
+declare module 'next-auth' {
+  interface Session {
+    user: {
+      role?: 'ADMIN' | 'USER';
+      adminId?: number;
+      studentId?: number;
+      [key: string]: any;
+    } & DefaultSession["user"];
+  }
+  
+  interface JWT {
+    role?: 'ADMIN' | 'USER';
+    adminId?: number;
+    studentId?: number;
+  }
+}
+
+declare module 'next/server' {
+  interface NextRequest {
+    auth: import('next-auth').Session | null;
+  }
+}
+
+const authConfig: NextAuthConfig = {
+  providers: [Google],
+  callbacks: {
+    async jwt({ token, account, user, profile }) {
+      // Only check DB on first sign in
+      if (account && user && user.email) {
+        const admin = await db.select().from(admins).where(eq(admins.email, user.email)).limit(1);
+        if (admin.length > 0 && admin[0]) {
+          token.role = 'ADMIN';
+          token.adminId = admin[0].id;
+        } else {
+          token.role = 'USER';
+          const student = await db
+            .select()
+            .from(students)
+            .where(eq(students.email, user.email))
+            .limit(1);
+          if (student.length > 0 && student[0]) {
+            token.studentId = student[0].id;
+          } else {
+            const nameParts = user.name?.split(' ') ?? [];
+            const firstName = nameParts[0] || '';
+            const lastName = nameParts.slice(1).join(' ') || '';
+            const newStudent = await db
+              .insert(students)
+              .values({
+                email: user.email,
+                firstName: firstName,
+                lastName: lastName,
+                profilePicture: user.image,
+              })
+              .returning({ id: students.id });
+            if (newStudent[0]) {
+              token.studentId = newStudent[0].id;
+            }
+          }
+        }
+      }
+      return token;
+    },
+    async session({ session, token }) {
+      if (token?.role) {
+        session.user.role = token.role as 'ADMIN' | 'USER';
+      }
+      if (token?.adminId) {
+        session.user.adminId = token.adminId as number;
+      }
+      if (token?.studentId) {
+        session.user.studentId = token.studentId as number;
+      }
+      return session;
+    },
+  },
+};
+
+// Note: TypeScript warnings about inferred types are expected with NextAuth v5 beta
+// These warnings don't affect functionality
+export const { handlers, signIn, signOut, auth } = NextAuth(authConfig);