Fix webhook

migrations/env.py

@@ -19,8 +19,8 @@ if config.config_file_name is not None:
 target_metadata = Base.metadata
 
 # set sqlalchemy.url since it can not be set in alembic.ini file
-app_config = AppConfig()
-config.set_main_option("sqlalchemy.url", app_config.DB_URL)
+app_config = AppConfig.from_env()
+config.set_main_option("sqlalchemy.url", app_config.database.url)
 
 
 def run_migrations_offline() -> None:

mybot/__init__.py

@@ -8,6 +8,7 @@ from .states import get_state_storage
 from .handlers import register_handlers
 from .middlewares import setup_middlewares
 from .filters import add_custom_filters
+from .webhook import create_app
 
 
 def create_bot(config: Config, i18n: I18N, engine):
@@ -17,7 +18,8 @@ def create_bot(config: Config, i18n: I18N, engine):
                   skip_pending=config.bot.skip_pending,
                   num_threads=config.bot.num_threads,
                   use_class_middlewares=True,
-                  state_storage=state_storage)
+                  state_storage=state_storage,
+                  threaded=False if config.use_webhook else True)
     register_handlers(bot)
     setup_middlewares(bot, i18n, engine)
     add_custom_filters(bot, config)
@@ -35,6 +37,11 @@ def main():
     i18n = I18N(config.i18n)
     engine = get_engine(config.database)
     bot = create_bot(config, i18n, engine)
+
+    if config.use_webhook:
+        app = create_app(bot, config)
+        return app
+
     bot.infinity_polling(
         timeout=config.bot.timeout,
         long_polling_timeout=config.bot.polling_timeout,

mybot/config.py

@@ -23,13 +23,19 @@ class BotConfig:
 
 @dataclass
 class WebhookConfig:
-    url: str
+    domain: str
+    url_path: str
     max_connections: int
     drop_pending_updates: bool
 
+    @property
+    def url(self):
+        return f"https://{self.domain}/{self.url_path}"
+
     @classmethod
     def from_env(cls):
-        return cls(os.getenv("WEBHOOK_URL"),
+        return cls(os.getenv("WEBHOOK_DOMAIN"),
+                   os.getenv("WEBHOOK_URL_PATH"),
                    int(os.getenv("WEBHOOK_MAX_CONNECTIONS", 40)),
                    bool(int(os.getenv("WEBHOOK_DROP_PENDING", True))))
 

mybot/webhook/__init__.py

@@ -0,0 +1,35 @@
+from flask import Flask, Blueprint, request, abort, g
+from telebot import TeleBot
+from telebot.types import Update
+
+from ..config import Config
+
+
+bot_bp = Blueprint("bot", __name__)
+
+
+@bot_bp.route("/", methods=["GET", "POST"])
+def handle_updates():
+    if request.method == "GET":
+        abort(404)
+    if request.headers.get("content-type") == "application/json":
+        update = Update.de_json(request.get_json())
+        g.bot.process_new_updates([update])
+        return ""
+    else:
+        abort(403)
+
+
+def inject_g(bot: TeleBot, config: Config):
+    def inner():
+        g.bot = bot
+        g.config = config
+    return inner
+
+
+def create_app(bot: TeleBot, config: Config):
+    app = Flask(__name__)
+    app.register_blueprint(bot_bp, url_prefix=f"{config.webhook.url_path}")
+    app.before_request(inject_g(bot, config))
+
+    return app

webapp/__init__.py

@@ -1,27 +0,0 @@
-from flask import Flask, g
-from telebot import TeleBot
-
-from mybot import create_bot
-from mybot.config import load_config
-from mybot.database import get_engine
-from mybot.i18n import I18N
-
-from .bot import bp as bot_bp
-
-
-def inject_bot(bot: TeleBot):
-    def inner():
-        g.bot = bot
-    return inner
-
-
-def create_app():
-    config = load_config()
-    i18n = I18N(config.i18n)
-    engine = get_engine(config.database)
-    bot = create_bot(config, i18n, engine)
-
-    app = Flask(__name__)
-    app.register_blueprint(bot_bp, url_prefix=f"/{config.bot.token}")
-    app.before_request(inject_bot(bot))
-    return app

webapp/bot.py

@@ -1,16 +0,0 @@
-from flask import Blueprint, request, abort, g, Response
-from telebot.types import Update
-
-
-bp = Blueprint("bot", __name__)
-
-
-@bp.route("/", methods=["POST"])
-def handle_updates():
-    if request.headers.get("content-type") == "application/json":
-        json_string = request.get_data().decode("utf-8")
-        update = Update.de_json(json_string)
-        g.bot.process_new_updates([update])
-        return Response("", 200)
-    else:
-        abort(403)