Set up login/register navigation and API integration

src/App.tsx

@@ -2,21 +2,44 @@ import "./App.css";
 import { Login } from "./pages/Login.tsx";
 import { ContentLayout, SpaceBetween } from "@cloudscape-design/components";
 import icon from "./paella-icon.png";
-import { Route, Routes } from "react-router";
+import { Outlet, Route, Routes } from "react-router";
 import { SignUp } from "./pages/SignUp.tsx";
 import { Register } from "./pages/Register.tsx";
 import { Buy } from "./pages/Buy.tsx";
+import { useState } from "react";
+import { PreLoginPageContext } from "./context/pre-login-page-context.ts";
+import { LoggedInPageContext } from "./context/logged-in-page-context.ts";
+import { NotFound } from "./pages/NotFound.tsx";
 
 function App() {
+  const [userId, setUserId] = useState<number | null>(null);
+
   return (
     <ContentLayout defaultPadding maxContentWidth={500}>
       <SpaceBetween size="m">
         <img className="app-logo" src={icon} alt="App logo" />
         <Routes>
-          <Route path="/" element={<Login />} />
-          <Route path="/signup" element={<SignUp />} />
+          <Route
+            element={
+              <PreLoginPageContext.Provider value={{ setUserId }}>
+                <Outlet />
+              </PreLoginPageContext.Provider>
+            }
+          >
+            <Route path="/login" element={<Login />} />
             <Route path="/register" element={<Register />} />
+          </Route>
+          <Route
+            element={
+              <LoggedInPageContext.Provider value={{ userId: userId! }}>
+                <Outlet />
+              </LoggedInPageContext.Provider>
+            }
+          >
+            <Route path="/signup" element={<SignUp />} />
             <Route path="/buy" element={<Buy />} />
+          </Route>
+          <Route path="*" element={<NotFound />} />
         </Routes>
       </SpaceBetween>
     </ContentLayout>

src/api/client.ts

@@ -1,13 +1,20 @@
-import axios from "axios";
+import axios, { type AxiosResponse } from "axios";
+
+interface AccessResponse {
+  userId: number;
+}
 
 export const login = (name: string, password: string) =>
   axios.post("/access/login", {
     name,
     password,
-  });
+  }) as Promise<AxiosResponse<AccessResponse, unknown, {}>>;
 
 export const registerUser = (name: string, password: string) =>
   axios.post("/access/register", {
     name,
     password,
-  });
+  }) as Promise<AxiosResponse<AccessResponse, unknown, {}>>;
+
+export const startBuyFlow = (userId: string) =>
+  axios.post("/buy/start", { userId });

src/context/logged-in-page-context.ts

@@ -0,0 +1,8 @@
+import { createContext } from "react";
+
+interface LoggedInPageContextProps {
+  userId: number;
+}
+
+export const LoggedInPageContext =
+  createContext<LoggedInPageContextProps | null>(null);

src/context/pre-login-page-context.ts

@@ -0,0 +1,8 @@
+import { createContext, type Dispatch, type SetStateAction } from "react";
+
+interface PreLoginPageContextProps {
+  setUserId: Dispatch<SetStateAction<number | null>>;
+}
+
+export const PreLoginPageContext =
+  createContext<PreLoginPageContextProps | null>(null);

src/pages/Login.tsx

@@ -5,14 +5,25 @@ import {
   Header,
   SpaceBetween,
 } from "@cloudscape-design/components";
-import { useState } from "react";
+import { useContext, useState } from "react";
 import { login } from "../api/client";
+import { Link, useNavigate } from "react-router";
+import { PreLoginPageContext } from "../context/pre-login-page-context";
 
 export const Login = () => {
   const [userName, setUserName] = useState("");
   const [password, setPassword] = useState("");
   const [rememberMe, setRememberMe] = useState(false);
 
+  const { setUserId } = useContext(PreLoginPageContext)!;
+  const navigate = useNavigate();
+
+  const handleLoginFlow = () =>
+    login(userName, password).then((response) => {
+      setUserId(response.data.userId);
+      navigate("/signup");
+    });
+
   return (
     <SpaceBetween size="s" alignItems={"center"}>
       <Header>Login</Header>
@@ -33,7 +44,12 @@ export const Login = () => {
       >
         Remember me
       </Checkbox>
-      <Button onClick={() => login(userName, password)}>Login</Button>
+      <Button onClick={handleLoginFlow}>Login</Button>
+      <Button>
+        <Link to="/register" style={{ textDecoration: "none" }}>
+          Create an account
+        </Link>
+      </Button>
     </SpaceBetween>
   );
 };

src/pages/NotFound.tsx

@@ -0,0 +1,10 @@
+import { useEffect } from "react";
+import { useNavigate } from "react-router";
+
+export const NotFound = () => {
+  const navigate = useNavigate();
+  useEffect(() => {
+    navigate("/login");
+  });
+  return <div />;
+};

src/pages/Register.tsx

@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { useContext, useState } from "react";
 import {
   Alert,
   Button,
@@ -8,11 +8,15 @@ import {
 } from "@cloudscape-design/components";
 import * as zod from "zod";
 import { registerUser } from "../api/client";
+import { Link, useNavigate } from "react-router";
+import { PreLoginPageContext } from "../context/pre-login-page-context";
 
 export const Register = () => {
   const [userName, setUserName] = useState("");
   const [password, setPassword] = useState("");
   const [passwordConfirm, setPasswordConfirm] = useState("");
+  const { setUserId } = useContext(PreLoginPageContext)!;
+  const navigate = useNavigate();
 
   const PASSWORD_MAX_LENGTH = 64;
   const PASSWORD_MIN_LENGTH = 8;
@@ -45,6 +49,13 @@ export const Register = () => {
     }
   }
 
+  const handleRegisterFlow = () =>
+    registerUser(userName, password).then((response) => {
+      console.log(response);
+      setUserId(response.data.userId);
+      navigate("/signup");
+    });
+
   return (
     <SpaceBetween size="s" alignItems={"center"}>
       <Header>Register</Header>
@@ -70,10 +81,15 @@ export const Register = () => {
       ))}
       <Button
         disabled={passwordErrors.length !== 0}
-        onClick={() => registerUser(userName, password)}
+        onClick={handleRegisterFlow}
       >
         Register
       </Button>
+      <Button>
+        <Link to="/login" style={{ textDecoration: "none" }}>
+          Login with existing account
+        </Link>
+      </Button>
     </SpaceBetween>
   );
 };