Rework the scanner register check

Store all paths already registered in memory instead of asking kyoo for
each path individually. This should help reduce high response time of
kyoo on startup.

scanner/scanner/scanner.py

@@ -5,6 +5,7 @@ import jsons
 from aiohttp import ClientSession
 from pathlib import Path
 from guessit import guessit
+from typing import List
 from providers.provider import Provider
 from providers.types.episode import Episode, PartialShow
 from providers.types.season import Season, SeasonTranslation
@@ -24,34 +25,32 @@ class Scanner:
 
 	async def scan(self, path: str):
 		logging.info("Starting the scan. It can take some times...")
+		self.registered = await self.get_registered_paths()
 		videos = filter(lambda p: p.is_file(), Path(path).rglob("*"))
 		# We batch videos by 20 because too mutch at once kinda DDOS everything.
 		for group in batch(videos, 20):
 			logging.info("Batch finished. Starting a new one")
 			await asyncio.gather(*map(self.identify, group))
 
-	async def is_registered(self, path: Path) -> bool:
+	async def get_registered_paths(self) -> List[Path]:
 		# TODO: Once movies are separated from the api, a new endpoint should be created to check for paths.
 		async with self._client.get(
-			f"{self._url}/episodes/count",
-			params={"path": f"eq:{path}"},
+			f"{self._url}/episodes",
+			params={"limit": 0},
 			headers={"X-API-Key": self._api_key},
 		) as r:
 			r.raise_for_status()
-			ret = await r.text()
-			if ret != "0":
-				return True
-		return False
+			ret = await r.json()
+			return list(x["path"] for x in ret["items"])
 
 	@log_errors
 	async def identify(self, path: Path):
+		if path in self.registered:
+			return
+
 		raw = guessit(path, "--episode-prefer-number")
 
-		if (
-			not "mimetype" in raw
-			or not raw["mimetype"].startswith("video")
-			or await self.is_registered(path)
-		):
+		if not "mimetype" in raw or not raw["mimetype"].startswith("video"):
 			return
 
 		logging.info("Identied %s: %s", path, raw)