update

backend/app/gpt_service.py

@@ -1,4 +1,5 @@
 import os
+import math
 from openai import OpenAI
 from typing import Dict, List
 import re
@@ -12,15 +13,26 @@ def generate_email_sequence(contact: Dict, prompt_template: str, product_name: s
     Generate a personalized email sequence for a contact using GPT.
     """
     try:
-        # Extract variables from contact (handle empty strings and None)
-        first_name = (contact.get("first_name") or contact.get("First Name") or "").strip()
-        last_name = (contact.get("last_name") or contact.get("Last Name") or "").strip()
-        company = (contact.get("company") or contact.get("Company") or contact.get("Organization") or "").strip()
-        email = (contact.get("email") or contact.get("Email") or "").strip()
-        title = (contact.get("title") or contact.get("Title") or contact.get("Job Title") or "").strip()
-        industry = (contact.get("industry") or contact.get("Industry") or "").strip()
-        location = (contact.get("location") or contact.get("Location") or "").strip()
-        company_size = (contact.get("company_size") or contact.get("Company Size") or "").strip()
+        # Helper function to safely convert to string and strip
+        def safe_str(value):
+            if value is None:
+                return ""
+            if isinstance(value, float):
+                # Handle NaN and other float values
+                if math.isnan(value):
+                    return ""
+                return str(value).strip()
+            return str(value).strip() if value else ""
+        
+        # Extract variables from contact (handle empty strings, None, and float/NaN values)
+        first_name = safe_str(contact.get("first_name") or contact.get("First Name") or "")
+        last_name = safe_str(contact.get("last_name") or contact.get("Last Name") or "")
+        company = safe_str(contact.get("company") or contact.get("Company") or contact.get("Organization") or "")
+        email = safe_str(contact.get("email") or contact.get("Email") or "")
+        title = safe_str(contact.get("title") or contact.get("Title") or contact.get("Job Title") or "")
+        industry = safe_str(contact.get("industry") or contact.get("Industry") or "")
+        location = safe_str(contact.get("location") or contact.get("Location") or "")
+        company_size = safe_str(contact.get("company_size") or contact.get("Company Size") or "")
         
         # Validate required fields
         if not email:

backend/app/main.py

@@ -13,6 +13,7 @@ import concurrent.futures
 from typing import Dict, List
 import json
 import asyncio
+import math
 from datetime import datetime
 
 from .database import get_db, UploadedFile, Prompt, GeneratedSequence, SmartleadRun
@@ -395,26 +396,48 @@ async def push_to_smartlead(request: SmartleadPushRequest, db: Session = Depends
                     failed_count += 1
                     continue
                 
-                # Ensure first_name and last_name are not None/empty
-                first_name = contact.get('first_name', '').strip() or 'Contact'
-                last_name = contact.get('last_name', '').strip() or ''
-                company = contact.get('company', '').strip() or ''
-                title = contact.get('title', '').strip() or ''
+                # Helper function to safely convert to string and strip
+                def safe_str(value):
+                    if value is None:
+                        return ""
+                    if isinstance(value, float):
+                        # Handle NaN and other float values
+                        if math.isnan(value):
+                            return ""
+                        return str(value).strip()
+                    return str(value).strip() if value else ""
+                
+                # Ensure first_name and last_name are not None/empty/float
+                first_name = safe_str(contact.get('first_name', '')) or 'Contact'
+                last_name = safe_str(contact.get('last_name', ''))
+                company = safe_str(contact.get('company', ''))
+                title = safe_str(contact.get('title', ''))
+                email = safe_str(contact.get('email', ''))
+                
+                if not email:
+                    errors.append({
+                        "email": "unknown",
+                        "error": "Missing email address"
+                    })
+                    failed_count += 1
+                    continue
                 
                 # Build custom variables
                 custom_variables = {}
                 for i in range(1, 11):
                     if i in contact.get('subjects', {}):
                         subject = contact['subjects'][i]
-                        if subject and subject.strip():
-                            custom_variables[f'subject_{i}'] = subject
+                        subject_str = safe_str(subject) if subject else ""
+                        if subject_str:
+                            custom_variables[f'subject_{i}'] = subject_str
                     if i in contact.get('bodies', {}):
                         body = contact['bodies'][i]
-                        if body and body.strip():
-                            custom_variables[f'body_{i}'] = body
+                        body_str = safe_str(body) if body else ""
+                        if body_str:
+                            custom_variables[f'body_{i}'] = body_str
                 
                 lead = {
-                    "email": contact['email'].strip(),
+                    "email": email,
                     "first_name": first_name,
                     "last_name": last_name,
                     "company": company,