refactor: update authentication flow to use NextAuth, replace better-auth with axios for API calls, and clean up unused code

lib/auth-client.ts

@@ -1,7 +0,0 @@
-import { phoneNumberClient } from "better-auth/client/plugins";
-import { createAuthClient } from "better-auth/react";
-
-export const authClient = createAuthClient({
-	baseURL: process.env.BETTER_AUTH_URL,
-	plugins: [phoneNumberClient()],
-});

lib/auth-guard.ts

@@ -1,5 +1,5 @@
 "use server";
-import { auth } from "@/lib/auth";
+import { auth } from "@/app/auth";
 import { headers } from "next/headers";
 import { redirect } from "next/navigation";
 

lib/auth-utils.ts

@@ -1,7 +1,7 @@
 "use server";
 import { headers } from "next/headers";
 import { cache } from "react";
-import { auth } from "./auth";
+import { auth } from "../app/auth";
 
 const getCurrentUserCache = cache(async () => {
 	const session = await auth.api.getSession({

lib/auth.ts

@@ -1,44 +0,0 @@
-import { sendOtp } from "@/actions/auth-actions";
-import { betterAuth } from "better-auth";
-import { prismaAdapter } from "better-auth/adapters/prisma";
-import { phoneNumber } from "better-auth/plugins";
-import prisma from "./db";
-
-export const auth = betterAuth({
-	session: {
-		cookieCache: {
-			enabled: true,
-			maxAge: 10 * 60, // Cache duration in seconds
-		},
-	},
-	trustedOrigins: process.env.BETTER_AUTH_TRUSTED_ORIGINS?.split(",") || [
-		"localhost:3000",
-	],
-	user: {
-		additionalFields: {
-			role: {
-				type: "string",
-				required: false,
-				defaultValue: "USER",
-				input: false, // don't allow user to set role
-			},
-			lang: {
-				type: "string",
-				required: false,
-				defaultValue: "en",
-			},
-		},
-	},
-	database: prismaAdapter(prisma, {
-		provider: "postgresql", // or "mysql", "postgresql", ...etc
-	}),
-	plugins: [
-		phoneNumber({
-			sendOTP: async ({ phoneNumber, code }) => {
-				// Implement sending OTP code via SMS
-				console.log("Send OTP in auth.ts", phoneNumber, code);
-				await sendOtp(phoneNumber, code);
-			},
-		}),
-	],
-});

lib/db.ts

@@ -1,17 +0,0 @@
-import { PrismaClient } from "@prisma/client";
-
-const prismaClientSingleton = () => {
-	return new PrismaClient();
-};
-
-type PrismaClientSingleton = ReturnType<typeof prismaClientSingleton>;
-
-const globalForPrisma = globalThis as unknown as {
-	prisma: PrismaClientSingleton | undefined;
-};
-
-const prisma = globalForPrisma.prisma ?? prismaClientSingleton();
-
-export default prisma;
-
-if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;

lib/types/user.ts

@@ -0,0 +1,38 @@
+import type { ISODateString } from "next-auth";
+
+export interface Permission {
+	id: number;
+	name: string;
+	user: User;
+}
+
+export interface TAuthUser {
+	expiry?: string;
+	token?: string;
+	user: User;
+}
+
+export interface User {
+	id: number;
+	username: string;
+	email: string;
+	user_permissions: Permission[];
+	first_name: string;
+	last_name: string;
+	is_superuser: boolean;
+	date_joined: string;
+	last_login: string;
+}
+
+export interface Session {
+	user?: {
+		token?: string;
+		name?: string | null;
+		email?: string | null;
+		image?: string | null;
+		user?: User & {
+			expiry?: string;
+		};
+	};
+	expires: ISODateString;
+}