Refactor authentication actions and add user verification functionality

- Updated signin and signup actions to correctly handle phone number redirection and date of birth formatting.
- Introduced a new user-actions file to implement user verification logic.
- Added an auth guard to restrict access based on user roles.
- Enhanced the auth configuration to include user roles and language settings.
- Improved validation schemas for user input in the signup form.

lib/auth-guard.ts

@@ -0,0 +1,13 @@
+import { auth } from "@/lib/auth";
+import { redirect } from "next/navigation";
+import { headers } from "next/headers";
+
+const session = await auth.api.getSession({
+	headers: await headers(),
+});
+export async function AdminAuthGuard() {
+	if (session?.user.role !== "ADMIN") {
+		return redirect("/login");
+	}
+	return true;
+}

lib/auth.ts

@@ -6,6 +6,21 @@ import { phoneNumber } from "better-auth/plugins";
 
 const prisma = new PrismaClient();
 export const auth = betterAuth({
+	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: "sqlite", // or "mysql", "postgresql", ...etc
 	}),

lib/schemas.ts

@@ -6,8 +6,14 @@ export const signUpFormSchema = z.object({
 		.min(2, { message: "ID Card is required" })
 		.regex(/^[A][0-9]{6}$/, "Please enter a valid ID Card number."),
 	atoll_id: z.string().min(2, { message: "Atoll is required." }),
-	island_id: z.string().min(2, { message: "Island is required." }),
+	island_id: z
+		.string({ required_error: "Island is required." })
+		.min(2, { message: "Island is required." }),
 	house_name: z.string().min(2, { message: "House name is required." }),
 	dob: z.coerce.date({ message: "Date of birth is required." }),
-	phone_number: z.string().min(7, { message: "Phone number is required." }).regex(/^[79][0-9]{2}[0-9]{4}$/, "Please enter a valid phone number").transform((val) => val.replace(/\D/g, "")),
+	phone_number: z
+		.string()
+		.min(7, { message: "Phone number is required." })
+		.regex(/^[79][0-9]{2}[0-9]{4}$/, "Please enter a valid phone number")
+		.transform((val) => val.replace(/\D/g, "")),
 });