add nerinyan mirror (#1)

app/adapters/beatmap_mirrors/mirror_aggregate.py

@@ -4,11 +4,13 @@
 
 from app.adapters.beatmap_mirrors import BeatmapMirror
 from app.adapters.beatmap_mirrors.mino import MinoMirror
+from app.adapters.beatmap_mirrors.nerinyan import NerinyanMirror
 from app.adapters.beatmap_mirrors.osu_direct import OsuDirectMirror
 
 BEATMAP_MIRRORS: list[BeatmapMirror] = [
-    OsuDirectMirror(),
     MinoMirror(),
+    NerinyanMirror(),
+    OsuDirectMirror(),
 ]
 
 

app/adapters/beatmap_mirrors/nerinyan.py

@@ -0,0 +1,22 @@
+import logging
+
+from app.adapters.beatmap_mirrors import BeatmapMirror
+
+
+class NerinyanMirror(BeatmapMirror):
+    base_url = "https://api.nerinyan.moe"
+
+    async def fetch_beatmap_zip_data(self, beatmapset_id: int) -> bytes | None:
+        try:
+            logging.info(f"Fetching beatmapset osz2 from nerinyan: {beatmapset_id}")
+            response = await self.http_client.get(
+                f"{self.base_url}/d/{beatmapset_id}",
+            )
+            response.raise_for_status()
+            return response.read()
+        except Exception:
+            logging.warning(
+                "Failed to fetch beatmap from nerinyan.moe",
+                exc_info=True,
+            )
+            return None