Add youtube webhook api

- Add a new webhook route to receive youtube event notifications
- Add a new integration called YoutubeClient to handle youtube API methods

app/integrations/youtube.py

@@ -0,0 +1,41 @@
+import time
+
+
+class YoutubeClient:
+    def __init__(self, bot):
+        from app import DiscordBot
+        self.bot: DiscordBot = bot
+        self.token = None
+        self.token_expiration_time = None
+        self.webhook_url = f"{self.bot.config.WEBHOOK_URL}/youtube"
+
+    def check_auth_token(func):
+        def wrapper(self, *args, **kwargs):
+            current_time = time.time()
+            if not self.token_expiration_time or current_time >= self.token_expiration_time:
+                self.authenticate()
+            return func(self, *args, **kwargs)
+
+        return wrapper
+
+    def authenticate(self):
+        pass
+
+    def get_channel_by_username(self, username: str) -> dict:
+        pass
+
+    @check_auth_token
+    def subscribe_to_new_video_event(self, user_id: str) -> None:
+        pass
+
+    @check_auth_token
+    def unsubscribe_from_new_video_event(self, subscription_id: str) -> None:
+        pass
+
+    @check_auth_token
+    def get_subscriptions(self) -> dict:
+        pass
+
+    @check_auth_token
+    def get_subscription_by_user_id(self, user_id: str) -> dict:
+        pass

app/webhooks/youtube.py

@@ -0,0 +1,19 @@
+from flask import request
+
+from app import logger
+from app.constants import LogTypes as logconstants
+from app.webhooks import webhooks
+
+
+@webhooks.route('/youtube', methods=['GET', 'POST'])
+def twitch_webhook():
+    # from app import bot
+
+    challenge = request.args.get('hub.challenge')
+
+    if (challenge):
+        return challenge
+
+    logger.info(f'Received Youtube webhook: {request.data}', log_type=logconstants.COMMAND_INFO_TYPE)
+
+    return 'Processed', 204