register changes

Author: adityapat24

frontend/src/Register.tsx

@@ -4,6 +4,7 @@ import { observer } from "mobx-react-lite";
 import { useNavigate } from "react-router-dom";
 import logo from "./images/bcan_logo.svg";
 import { api } from "./api";
+import { useAuthContext } from "./context/auth/authContext";
 
 /**
  * Register a new BCAN user
@@ -14,41 +15,15 @@ const Register = observer(() => {
   const [password, setPassword] = useState("");
   const navigate = useNavigate();
 
+  const { register } = useAuthContext();
+
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
-
-    try {
-      const response = await api("/auth/register", {
-        method: "POST",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ username, password, email }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        alert(data.message || "Registration failed.");
-        return;
-      }
-
-      // If registration succeeded, automatically log in the user
-      const loginResponse = await api("/auth/login", {
-        method: "POST",
-        headers: { "Content-Type": "application/json" },
-        body: JSON.stringify({ username, password }),
-      });
-
-      const loginData = await loginResponse.json();
-
-      if (loginResponse.ok && loginData.access_token) {
-        setAuthState(true, loginData.user, loginData.access_token);
-        navigate("/grant-info");
-      } else {
-        alert(loginData.message || "Login after registration failed.");
-      }
-    } catch (error) {
-      console.error("Error during registration:", error);
-      alert("An error occurred while registering. Please try again later.");
+    const success = await register(username, password, email);
+    if (success) {
+      navigate("/login");
+    } else {
+      console.warn("Registration failed");
     }
   };
 
@@ -80,6 +55,7 @@ const Register = observer(() => {
           >
             ← Back to Sign In
           </button>
+          
 
           {/* Username field */}
           <label htmlFor="username" style={styles.label}>

frontend/src/context/auth/authContext.tsx

@@ -11,7 +11,7 @@ import { api } from '../../api';
 interface AuthContextProps {
   isAuthenticated: boolean;
   login: (username: string, password: string) => Promise<boolean>;
-  register: (username: string, password: string, email: string) => Promise<void>;
+  register: (username: string, password: string, email: string) => Promise<boolean>;
   logout: () => void;
   user: User | null;
 }
@@ -57,24 +57,41 @@ export const AuthProvider = observer(({ children }: { children: ReactNode }) =>
    /**
    * Register a new user and automatically log them in
    */
-   const register = async (username: string, password: string, email: string) => {
-    
-    const response = await api('/auth/register', {
-      method: 'POST',
-      headers: { 'Content-Type': 'application/json' },
-      body: JSON.stringify({ username, password, email }),
-    });
-
-    const data = await response.json();
-    if (response.ok) {
-      // log the user in after registration
-      await login(username, password);
-    } else {
-      alert(data.message || 'Registration failed');
+   const register = async (username: string, password: string, email: string): Promise<boolean> => {
+    try {
+      const response = await api('/auth/register', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ username, password, email }),
+      });
+
+      const data = await response.json();
+
+      if (response.ok) {
+        const loggedIn = await login(username, password);
+        if (loggedIn) return true;
+        console.warn('User registered but auto-login failed');
+        return false;
+      }
+
+      if (response.status === 409 || data.message?.includes('exists')) {
+        alert('An account with this username or email already exists.');
+      } else if (response.status === 400) {
+        alert(data.message || 'Invalid registration details.');
+      } else {
+        alert('Registration failed. Please try again later.');
+      }
+
+      return false;
+    } catch (error) {
+      console.error('Error during registration:', error);
+      alert('An unexpected error occurred. Please try again later.');
+      return false;
     }
   };
 
 
+
   /** Log out the user */
   const logout = () => {
     api('/auth/logout', { method: 'POST' });