Update app.py

app.py

@@ -54,7 +54,7 @@ def signup():
     if request.method == "POST":
         name = request.form.get("name")
         phone = request.form.get("phone")
-        email = request.form.get("email")
+        email = request.form.get("email").strip().lower()  # Ensure case-insensitive match
         password = request.form.get("password")
         referral_code = request.form.get("referral")  # Fetch referral code from the form
         generated_referral_code = generate_referral_code()
@@ -62,8 +62,8 @@ def signup():
         try:
             ref = 0  # Default reward points for new user
 
-            # Check if the email already exists in Salesforce
-            email_query = f"SELECT Id FROM Customer_Login__c WHERE Email__c = '{email}'"
+            # **Fix: Check if the email already exists (Case-Insensitive Match)**
+            email_query = f"SELECT Id FROM Customer_Login__c WHERE LOWER(Email__c) = '{email}'"
             email_result = sf.query(email_query)
 
             if email_result["records"]:
@@ -110,7 +110,7 @@ def signup():
                         "Coupon_Code__c": new_coupon_code
                     })
 
-            # Create the new customer record in Salesforce
+            # **Fix: Ensure Salesforce enforces unique email constraint**
             sf.Customer_Login__c.create({
                 "Name": name,
                 "Phone_Number__c": phone,