From 4bf93b565b4f871970d39a41d45a0cfc6c2b2699 Mon Sep 17 00:00:00 2001
From: panzerotto <francidecarlo06@gmail.com>
Date: Sat, 2 Aug 2025 08:43:41 +0200
Subject: [PATCH] add filter to room list

---
 backend/src/app.py  | 15 ++++++++++++---
 backend/src/room.py |  1 +
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/backend/src/app.py b/backend/src/app.py
index 946f38f..4df4376 100644
--- a/backend/src/app.py
+++ b/backend/src/app.py
@@ -11,7 +11,7 @@ from .room import Room
 from .song import Song, init_db, get_song_by_title_artist, add_song_in_db, get_song_by_uuid
 from .song_fetch import query_search, yt_get_audio_url, yt_search_song
 from .qrcode_gen import generate_qr
-from .gps import is_within_range
+from .gps import is_within_range, distance_between_coords, Coordinates
 
 
 dotenv.load_dotenv()
@@ -75,7 +75,6 @@ def on_leave(data):
 def join():
     room_id = request.args.get("room")
     code = request.args.get("code")
-    user_location = request.args.get("location")
 
     if room_id is None:
         return error("Missing room id")
@@ -86,7 +85,7 @@ def join():
     if room.pin is not None and room.pin != code:
         return error("Invalid code")
 
-    if is_within_range(user_location, room.coord, room.range_size) is False:
+    if room.distance > room.range_size:
         return error("You are not within the room range")
 
     return {"success": True, "ws": f"/ws/{room_id}"}
@@ -164,6 +163,14 @@ def room_new():
 
 @app.get("/api/room")
 def room():
+    lat = request.args.get("lat")
+    lon = request.args.get("lon")
+    if lat and lon:
+        user_coords = Coordinates(latitude=float(lat), longitude=float(lon))
+    else:
+        return error("Missing user coordinates")
+
+    distance = distance_between_coords(user_coords, room.coord)
     return [
         {
             "id": room.id,
@@ -171,8 +178,10 @@ def room():
             "private": room.pin is not None,
             "coords": room.coord,
             "range": room.range_size,
+            "distance": distance,
         }
         for room in state.rooms.values()
+        if distance <= room.range_size
     ]
 
 
diff --git a/backend/src/room.py b/backend/src/room.py
index 5109884..c986340 100644
--- a/backend/src/room.py
+++ b/backend/src/room.py
@@ -35,6 +35,7 @@ class Room:
     pin: int | None
     tags: set[str]
     range_size: int  # in meters ??
+    distance: float
 
     songs: dict[str, UserScoredSong]  # all songs + user score (the playlist)
     history: list[Song]  # all songs previously played