Update app.py

app.py

@@ -1,11 +1,40 @@
 from flask import Flask, render_template, send_from_directory, request, jsonify
 import requests
+from dotenv import load_dotenv
+import os
+
+# Load environment variables from .env file
+load_dotenv()
 
 app = Flask(__name__, template_folder='templates', static_folder='static')
 
-# Salesforce connection details (replace with your credentials)
-SFDC_INSTANCE_URL = "https://yourinstance.my.salesforce.com"  # Replace with your Salesforce instance URL
-SFDC_ACCESS_TOKEN = "your_access_token"  # Replace with your Salesforce access token
+# Salesforce credentials from environment variables
+SFDC_USERNAME = os.getenv('SFDC_USERNAME')
+SFDC_PASSWORD = os.getenv('SFDC_PASSWORD')
+SFDC_SECURITY_TOKEN = os.getenv('SFDC_SECURITY_TOKEN')
+SFDC_INSTANCE_URL = os.getenv('SFDC_INSTANCE_URL', 'https://login.salesforce.com')
+
+# Function to get Salesforce access token
+def get_salesforce_access_token():
+    auth_url = f"{SFDC_INSTANCE_URL}/services/oauth2/token"
+    data = {
+        'grant_type': 'password',
+        'client_id': 'your_client_id',  # Replace with your Connected App Client ID
+        'client_secret': 'your_client_secret',  # Replace with your Connected App Client Secret
+        'username': SFDC_USERNAME,
+        'password': f"{SFDC_PASSWORD}{SFDC_SECURITY_TOKEN}"
+    }
+    
+    try:
+        response = requests.post(auth_url, data=data)
+        response.raise_for_status()
+        return response.json()['access_token']
+    except requests.exceptions.RequestException as e:
+        print(f"Error getting access token: {e}")
+        return None
+
+# Cache the access token
+access_token = get_salesforce_access_token()
 
 @app.route('/')
 def index():
@@ -17,6 +46,9 @@ def serve_static(filename):
 
 @app.route('/get_ingredients', methods=['POST'])
 def get_ingredients():
+    if not access_token:
+        return jsonify({"error": "Failed to authenticate with Salesforce"}), 500
+
     dietary_preference = request.json.get('dietary_preference', '').lower()
     
     # Salesforce SOQL query based on dietary preference
@@ -28,7 +60,7 @@ def get_ingredients():
         soql = "SELECT Sector_Detail_Name__c FROM Sector_Detail__c LIMIT 100"  # Default case
 
     headers = {
-        "Authorization": f"Bearer {SFDC_ACCESS_TOKEN}",
+        "Authorization": f"Bearer {access_token}",
         "Content-Type": "application/json"
     }
     url = f"{SFDC_INSTANCE_URL}/services/data/v57.0/query/?q={soql}"