improves scraper error handling

app/models.py

@@ -3,6 +3,9 @@ import pandas as pd
 import os
 import time
 from datetime import datetime, timedelta
+from requests.exceptions import ConnectionError, Timeout, RequestException
+
+
 
 from app.logging_config import get_logger
 
@@ -34,12 +37,23 @@ class Scraper:
 
     def fetch_user_activity(self, user_id):
         url = f"https://api.torn.com/user/{user_id}?selections=basic,profile&key={API_KEY}"
-        response = requests.get(url)
-        if response.status_code == 200:
-            return response.json()
-        logger.error(f"Failed to fetch user activity for user ID {user_id}")
+        retries = 3
+        for attempt in range(retries):
+            try:
+                response = requests.get(url, timeout=10)
+                response.raise_for_status()
+                return response.json()
+            except ConnectionError as e:
+                logger.error(f"Connection error while fetching user activity for user ID {user_id}: {e}")
+            except Timeout as e:
+                logger.error(f"Timeout error while fetching user activity for user ID {user_id}: {e}")
+            except RequestException as e:
+                logger.error(f"Error while fetching user activity for user ID {user_id}: {e}")
+            if attempt < retries - 1:
+                time.sleep(2 ** attempt)  # Exponential backoff
         return None
 
+
     def start_scraping(self):
         self.scraping_active = True
         logger.info(f"Starting scraping process for faction ID {self.faction_id}")
@@ -54,7 +68,7 @@ class Scraper:
                 user_activity_data = []
                 for user_id, user_info in faction_data['members'].items():
                     user_activity = self.fetch_user_activity(user_id)
-                    if user_activity:
+                    if user_activity is not None:
                         user_activity_data.append({
                             'user_id': user_id,
                             'name': user_activity.get('name', ''),
@@ -63,8 +77,9 @@ class Scraper:
                             'timestamp': datetime.now().timestamp()
                         })
                         logger.info(f"Fetched data for user {user_id} ({user_activity.get('name', '')})")
+                    else:
+                        logger.warning(f"Failed to fetch data for user {user_id}")  
 
-                # Append data to the file
                 df = pd.DataFrame(user_activity_data)
                 df['last_action'] = pd.to_datetime(df['last_action'], unit='s')
                 df['timestamp'] = pd.to_datetime(df['timestamp'], unit='s')
@@ -75,6 +90,8 @@ class Scraper:
                     df.to_csv(self.data_file_name, mode='a', header=False, index=False)
 
                 logger.info(f"Data appended to {self.data_file_name}")
+            else:
+                logger.warning(f"Failed to fetch faction data or no members found for faction ID {self.faction_id}")
 
             time.sleep(self.fetch_interval)
         else: