Update app.py

app.py

@@ -3,11 +3,15 @@ import pandas as pd
 import sqlite3
 import os
 import datetime
+import shutil
 
 DATA_DIR = "data"
 os.makedirs(DATA_DIR, exist_ok=True)
 
 DB_PATH = os.path.join(DATA_DIR, "teamup.db")
+BACKUP_DIR = os.path.join(DATA_DIR, "backup")
+os.makedirs(BACKUP_DIR, exist_ok=True)
+
 ADMIN_CODE = os.getenv("ADMIN_CODE", "")
 PAGE_SIZE = 20
 
@@ -49,6 +53,15 @@ def init_db():
         """)
 init_db()
 
+def backup_db():
+    timestamp = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
+    backup_file = os.path.join(BACKUP_DIR, f"teamup_backup_{timestamp}.db")
+    shutil.copy(DB_PATH, backup_file)
+
+    backups = sorted(os.listdir(BACKUP_DIR))
+    while len(backups) > 20:
+        os.remove(os.path.join(BACKUP_DIR, backups.pop(0)))
+
 def submit_profile(name, discord, city, country, address, looking, onlinecheck, languages, laptop, robot, skills, describe3, experience, idea):
     if not discord or not city or not country or not laptop or not robot:
         return "❌ Please fill in all required fields."
@@ -75,6 +88,7 @@ def submit_profile(name, discord, city, country, address, looking, onlinecheck,
                 idea=excluded.idea
         """, (discord, name, city.title(), country.title(), address, looking, onlinecheck, lang_str.lower(), laptop, robot, skills, describe3, experience, idea))
 
+    backup_db()
     return "✅ Profile saved!"
 
 def filter_by_fields(selected_country, selected_city, selected_language, page):