extend notifications

ktvmanager/account_checker.py

@@ -3,7 +3,7 @@ import sys
 from dotenv import load_dotenv
 import mysql.connector
 from datetime import datetime, timedelta
-from routes.api import send_notification
+from ktvmanager.lib.notifications import send_notification
 from ktvmanager.lib.database import get_push_subscriptions, _execute_query
 
 # Add the project root to the Python path
@@ -33,41 +33,46 @@ def get_all_accounts(db_connection: MySQLConnection) -> List[Dict[str, Any]]:
     return accounts
 
 
-def send_expiry_notifications() -> None:
+def send_expiry_notifications(app) -> None:
     """
     Sends notifications to users with accounts expiring in the next 30 days.
     """
-    now = datetime.now()
-    thirty_days_later = now + timedelta(days=30)
-    now_timestamp = int(now.timestamp())
-    thirty_days_later_timestamp = int(thirty_days_later.timestamp())
+    with app.app_context():
+        now = datetime.now()
+        thirty_days_later = now + timedelta(days=30)
+        now_timestamp = int(now.timestamp())
+        thirty_days_later_timestamp = int(thirty_days_later.timestamp())
 
-    query = """
-    SELECT u.id as user_id, ua.username, ua.expiaryDate
-    FROM users u
-    JOIN userAccounts ua ON u.id = ua.userID
-    WHERE ua.expiaryDate BETWEEN %s AND %s
-    """
-    expiring_accounts = _execute_query(query, (now_timestamp, thirty_days_later_timestamp))
+        query = """
+        SELECT u.id as user_id, ua.username, ua.expiaryDate
+        FROM users u
+        JOIN userAccounts ua ON u.id = ua.userID
+        WHERE ua.expiaryDate BETWEEN %s AND %s
+        """
+        expiring_accounts = _execute_query(query, (now_timestamp, thirty_days_later_timestamp))
 
-    for account in expiring_accounts:
-        user_id = account['user_id']
-        subscriptions = get_push_subscriptions(user_id)
-        for sub in subscriptions:
-            # Check if a notification has been sent recently
-            last_notified_query = "SELECT last_notified FROM push_subscriptions WHERE id = %s"
-            last_notified_result = _execute_query(last_notified_query, (sub['id'],))
-            last_notified = last_notified_result[0]['last_notified'] if last_notified_result and last_notified_result[0]['last_notified'] else None
+        for account in expiring_accounts:
+            expiry_date = datetime.fromtimestamp(account['expiaryDate'])
+            days_to_expiry = (expiry_date - now).days
 
-            if last_notified and last_notified > now - timedelta(days=1):
-                continue
+            if days_to_expiry == 30 or days_to_expiry == 7:
+                user_id = account['user_id']
+                subscriptions = get_push_subscriptions(user_id)
+                for sub in subscriptions:
+                    # Check if a notification has been sent recently
+                    last_notified_query = "SELECT last_notified FROM push_subscriptions WHERE id = %s"
+                    last_notified_result = _execute_query(last_notified_query, (sub['id'],))
+                    last_notified = last_notified_result[0]['last_notified'] if last_notified_result and last_notified_result[0]['last_notified'] else None
 
-            message = f"Your account {account['username']} is due to expire on {datetime.fromtimestamp(account['expiaryDate']).strftime('%d-%m-%Y')}."
-            send_notification(sub['subscription_json'], message)
+                    if last_notified and last_notified.date() == now.date():
+                        continue
 
-            # Update the last notified timestamp
-            update_last_notified_query = "UPDATE push_subscriptions SET last_notified = %s WHERE id = %s"
-            _execute_query(update_last_notified_query, (now, sub['id']))
+                    message = f"Your account {account['username']} is due to expire in {days_to_expiry} days."
+                    send_notification(sub['subscription_json'], message)
+
+                    # Update the last notified timestamp
+                    update_last_notified_query = "UPDATE push_subscriptions SET last_notified = %s WHERE id = %s"
+                    _execute_query(update_last_notified_query, (now, sub['id']))
 
 
 def main() -> None:

ktvmanager/lib/notifications.py

@@ -0,0 +1,17 @@
+from flask import current_app
+from pywebpush import webpush, WebPushException
+
+def send_notification(subscription_info, message_body):
+    try:
+        webpush(
+            subscription_info=subscription_info,
+            data=message_body,
+            vapid_private_key=current_app.config["VAPID_PRIVATE_KEY"],
+            vapid_claims={"sub": current_app.config["VAPID_CLAIM_EMAIL"]},
+        )
+    except WebPushException as ex:
+        print(f"Web push error: {ex}")
+        # You might want to remove the subscription if it's invalid
+        if ex.response and ex.response.status_code == 410:
+            print("Subscription is no longer valid, removing from DB.")
+            # Add logic to remove the subscription from your database

ktvmanager/main.py

@@ -4,6 +4,8 @@ from dotenv import load_dotenv
 from ktvmanager.config import DevelopmentConfig, ProductionConfig
 from routes.api import api_blueprint
 from ktvmanager.lib.database import initialize_db_pool
+from ktvmanager.account_checker import send_expiry_notifications
+from apscheduler.schedulers.background import BackgroundScheduler
 
 def create_app():
     app = Flask(__name__)
@@ -17,6 +19,12 @@ def create_app():
     with app.app_context():
         initialize_db_pool()
 
+    # Schedule the daily account check
+    scheduler = BackgroundScheduler()
+    # Pass the app instance to the job
+    scheduler.add_job(func=lambda: send_expiry_notifications(app), trigger="interval", days=1)
+    scheduler.start()
+
     # Register blueprints
     app.register_blueprint(api_blueprint)
 

requirements.txt

@@ -39,3 +39,4 @@ python-dotenv
 python-dotenv
 pywebpush==1.13.0
 stem==1.8.2
+APScheduler==3.10.4

routes/api.py

@@ -18,7 +18,7 @@ import re
 import base64
 from cryptography.hazmat.primitives import serialization
 from cryptography.hazmat.primitives.asymmetric import ec
-from pywebpush import webpush, WebPushException
+from ktvmanager.lib.notifications import send_notification
 
 api_blueprint = Blueprint("api", __name__)
 
@@ -196,20 +196,6 @@ def save_subscription(username: str, password: str) -> Response:
     return jsonify({"message": "Subscription saved."})
 
 
-def send_notification(subscription_info, message_body):
-    try:
-        webpush(
-            subscription_info=subscription_info,
-            data=message_body,
-            vapid_private_key=current_app.config["VAPID_PRIVATE_KEY"],
-            vapid_claims={"sub": current_app.config["VAPID_CLAIM_EMAIL"]},
-        )
-    except WebPushException as ex:
-        print(f"Web push error: {ex}")
-        # You might want to remove the subscription if it's invalid
-        if ex.response and ex.response.status_code == 410:
-            print("Subscription is no longer valid, removing from DB.")
-            # Add logic to remove the subscription from your database
 
 
 @api_blueprint.route("/send-expiry-notifications", methods=["POST"])