clean up unused code and create login callback api endpoints

Signed-off-by: Chloe <pinkcloudvnn@gmail.com>

components/profile/actions.ts

@@ -0,0 +1,77 @@
+'use server';
+
+import {
+  CUSTOMER_API_CLIENT_ID,
+  CUSTOMER_API_URL,
+  ORIGIN_URL,
+  generateCodeChallenge,
+  generateCodeVerifier,
+  generateRandomString,
+  removeAllCookiesServerAction
+} from 'lib/shopify/auth';
+import { cookies } from 'next/headers';
+import { redirect } from 'next/navigation';
+
+export async function doLogin() {
+  const customerAccountApiUrl = CUSTOMER_API_URL;
+  const clientId = CUSTOMER_API_CLIENT_ID;
+  const origin = ORIGIN_URL;
+  const loginUrl = new URL(`${customerAccountApiUrl}/auth/oauth/authorize`);
+
+  try {
+    loginUrl.searchParams.set('client_id', clientId);
+    loginUrl.searchParams.append('response_type', 'code');
+    loginUrl.searchParams.append('redirect_uri', `${origin}/api/authorize`);
+    loginUrl.searchParams.set(
+      'scope',
+      'openid email https://api.customers.com/auth/customer.graphql'
+    );
+    const verifier = await generateCodeVerifier();
+
+    const challenge = await generateCodeChallenge(verifier);
+    cookies().set('shop_verifier', verifier as string, {});
+    const state = await generateRandomString();
+    const nonce = await generateRandomString();
+    cookies().set('shop_state', state as string, {});
+    cookies().set('shop_nonce', nonce as string, {});
+
+    loginUrl.searchParams.append('state', state);
+    loginUrl.searchParams.append('nonce', nonce);
+    loginUrl.searchParams.append('code_challenge', challenge);
+    loginUrl.searchParams.append('code_challenge_method', 'S256');
+  } catch (e) {
+    console.log('Error', e);
+    return 'Error logging in. Please try again';
+  }
+
+  redirect(`${loginUrl}`); // Navigate to the new post page
+}
+
+export async function isLoggedIn() {
+  const customerToken = cookies().get('shop_customer_token')?.value;
+  const refreshToken = cookies().get('shop_refresh_token')?.value;
+
+  if (!customerToken && !refreshToken) {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+export const doLogout = async () => {
+  const idToken = cookies().get('shop_id_token');
+  const idTokenValue = idToken?.value;
+
+  await removeAllCookiesServerAction();
+  //if there is no idToken, then sending to logout url will redirect shopify, so just
+  //redirect to login here and delete cookies (presumably they don't even exist)
+  if (!idTokenValue) {
+    redirect(ORIGIN_URL);
+  }
+
+  const logoutUrl = new URL(
+    `${CUSTOMER_API_URL}/auth/logout?id_token_hint=${idTokenValue}&post_logout_redirect_uri=${ORIGIN_URL}`
+  );
+
+  redirect(logoutUrl.toString());
+};