Imported RoyalRoad chapter checker, changed it to use FastAPI with metrics and uses their RSS feed instead of scraping with the FanFicFare module

src/main.py

@@ -0,0 +1,80 @@
+from fastapi import FastAPI, Depends, HTTPException, Response, Request
+import uvicorn
+from contextlib import asynccontextmanager
+from db import get_db, create_connection_pool, close_connection_pool
+import logging
+from feed_handler import grab_latest_chapter_information
+from send_notification import send_notification
+from metrics_server import REQUEST_COUNTER
+import asyncio
+
+
+logger = logging.getLogger(__name__)
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+	logger.info("Starting application...")
+
+	logger.info("Creating MySQL connection pool...")
+	create_connection_pool()
+
+	yield
+	logger.info("Closing MySQL connection pool...")
+	close_connection_pool()
+
+api = FastAPI(
+		title="Docker Repository Query",
+		description="Queries Dockerhub and GHCR for new docker images",
+		version="1.0.0",
+		lifespan=lifespan
+)
+
+@api.middleware("http")
+async def prometheus_middleware(request: Request, call_next):
+	status = 500
+	try:
+		response = await call_next(request)
+		status = response.status_code
+	except Exception:
+		raise
+	finally:
+		REQUEST_COUNTER.labels(request.method, request.url.path, status).inc()
+	return response
+
+
+@api.get("/health")
+def return_health():
+	return Response(status_code=200)
+
+@api.get("/royalroad")
+def get_chapters(
+			request: Request,
+			db = Depends(get_db)
+			):
+	try:
+		logger.info("Checking for new Royalroad chapters")
+
+		cursor = db.cursor()
+		cursor.execute("SELECT id,royalroadId,lastChapter FROM stories where active=1")
+		for id,royalroadId,last_chapter_db in cursor.fetchall():
+			chapter_number,chapter_link,title = grab_latest_chapter_information(royalroadId)
+			if chapter_number > last_chapter_db:
+				cursor.execute("UPDATE stories SET lastChapter = %s WHERE id = %s",
+								(chapter_number, id))
+				db.commit()
+				send_notification(title,chapter_number,chapter_link)
+		return {"status": "checked"}
+	except Exception as e:
+		raise HTTPException(status_code=500, detail=str(e))
+
+async def start_servers():
+	config_main = uvicorn.Config("main:api", host="0.0.0.0", port=5000, log_level="info")
+	config_metrics = uvicorn.Config("metrics_server:metrics_api", host="0.0.0.0", port=9000, log_level="info")
+
+	server_main = uvicorn.Server(config_main)
+	server_metrics = uvicorn.Server(config_metrics)
+
+	await asyncio.gather(server_main.serve(), server_metrics.serve())
+
+if __name__ == "__main__":
+	asyncio.run(start_servers())