Update app/routes.py

app/routes.py

@@ -30,6 +30,8 @@ auth = Blueprint('auth', __name__)
 
 @auth.route('/')
 def landing():
+    if 'user_id' in session:  
+        return redirect(url_for('auth.dashboard')) 
     return render_template('landing.html')
 
 
@@ -67,7 +69,6 @@ def rank_resumes():
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
-
 @auth.route('/register', methods=['GET', 'POST'])
 def register():
     if request.method == 'POST':
@@ -75,6 +76,19 @@ def register():
         email = request.form.get('email')
         password = request.form.get('password')
 
+        if not username or not email or not password:
+            flash('Please fill all fields.', 'error')
+            return render_template("register.html")
+
+        # Check if email already exists
+        check_response = requests.get(
+            f"{SUPABASE_URL}/rest/v1/users?email=eq.{email}",
+            headers=HEADERS
+        )
+        if check_response.status_code == 200 and check_response.json():
+            flash('Email already registered. Please log in.', 'warning')
+            return redirect(url_for('auth.login'))
+
         hashed_password = generate_password_hash(password)
         token = str(uuid.uuid4())
 
@@ -104,9 +118,11 @@ def register():
     return render_template("register.html")
 
 
-
 @auth.route('/login', methods=['GET', 'POST'])
 def login():
+    if 'user_id' in session:  
+        return redirect(url_for('auth.dashboard')) 
+
     if request.method == 'POST':
         email = request.form['email']
         password = request.form['password']
@@ -203,6 +219,7 @@ def resend_verification():
     return render_template('resend_verification.html')
 
 
+
 @auth.route('/dashboard')
 def dashboard():
     if 'user_id' not in session: