Improve mini-player and add periodic sync

- Redesign mini-player: progress bar on top, centered controls
- Add vertical volume slider with popup on hover
- Add volume percentage display
- Add custom speaker SVG icons
- Add periodic sync every 10 seconds for playback synchronization
- Broadcast user_joined when connecting via WebSocket
- Disable nginx proxy buffering for streaming
- Allow extra env variables in pydantic settings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/app/config.py

@@ -25,6 +25,7 @@ class Settings(BaseSettings):
 
     class Config:
         env_file = ".env"
+        extra = "ignore"
 
 
 @lru_cache()

backend/app/main.py

@@ -1,8 +1,69 @@
+import asyncio
+from contextlib import asynccontextmanager
+from datetime import datetime
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+from sqlalchemy import select
 from .routers import auth, rooms, tracks, websocket, messages
+from .database import async_session
+from .models.room import Room
+from .services.sync import manager
 
-app = FastAPI(title="EnigFM", description="Listen to music together with friends")
+
+async def periodic_sync():
+    """Send sync updates to all rooms every 10 seconds"""
+    while True:
+        await asyncio.sleep(10)
+
+        # Get all active rooms
+        for room_id in list(manager.active_connections.keys()):
+            try:
+                async with async_session() as db:
+                    result = await db.execute(select(Room).where(Room.id == room_id))
+                    room = result.scalar_one_or_none()
+
+                    if not room or not room.is_playing:
+                        continue
+
+                    # Calculate current position
+                    current_position = room.playback_position or 0
+                    if room.playback_started_at:
+                        elapsed = (datetime.utcnow() - room.playback_started_at).total_seconds() * 1000
+                        current_position = int((room.playback_position or 0) + elapsed)
+
+                    track_url = None
+                    if room.current_track_id:
+                        track_url = f"/api/tracks/{room.current_track_id}/stream"
+
+                    await manager.broadcast_to_room(
+                        room_id,
+                        {
+                            "type": "sync_state",
+                            "is_playing": room.is_playing,
+                            "position": current_position,
+                            "current_track_id": str(room.current_track_id) if room.current_track_id else None,
+                            "track_url": track_url,
+                            "server_time": datetime.utcnow().isoformat(),
+                        },
+                    )
+            except Exception:
+                pass
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # Start background sync task
+    sync_task = asyncio.create_task(periodic_sync())
+    yield
+    # Cleanup
+    sync_task.cancel()
+    try:
+        await sync_task
+    except asyncio.CancelledError:
+        pass
+
+
+app = FastAPI(title="EnigFM", description="Listen to music together with friends", lifespan=lifespan)
 
 # CORS
 app.add_middleware(

backend/app/routers/tracks.py

@@ -203,6 +203,8 @@ async def stream_track(track_id: uuid.UUID, request: Request, db: AsyncSession =
                 "Accept-Ranges": "bytes",
                 "Content-Length": str(content_length),
                 "Content-Disposition": f"inline; filename*=UTF-8''{encoded_filename}",
+                "X-Accel-Buffering": "no",
+                "Cache-Control": "no-cache",
             }
         )
 
@@ -214,5 +216,7 @@ async def stream_track(track_id: uuid.UUID, request: Request, db: AsyncSession =
             "Accept-Ranges": "bytes",
             "Content-Length": str(file_size),
             "Content-Disposition": f"inline; filename*=UTF-8''{encoded_filename}",
+            "X-Accel-Buffering": "no",
+            "Cache-Control": "no-cache",
         }
     )

backend/app/routers/websocket.py

@@ -46,6 +46,13 @@ async def room_websocket(websocket: WebSocket, room_id: UUID):
 
     await manager.connect(websocket, room_id, user.id)
 
+    # Notify others that user joined
+    await manager.broadcast_to_room(
+        room_id,
+        {"type": "user_joined", "user": {"id": str(user.id), "username": user.username}},
+        exclude_user=user.id
+    )
+
     try:
         while True:
             data = await websocket.receive_text()

backend/app/services/s3.py

@@ -110,5 +110,11 @@ def stream_file_chunks(s3_key: str, start: int = 0, end: int = None, chunk_size:
         Range=range_header
     )
 
-    for chunk in response["Body"].iter_chunks(chunk_size=chunk_size):
+    # Use raw stream read instead of iter_chunks for true streaming
+    body = response["Body"]
+    while True:
+        chunk = body.read(chunk_size)
+        if not chunk:
+            break
         yield chunk
+    body.close()

frontend/nginx.conf

@@ -4,6 +4,9 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    # Max upload size
+    client_max_body_size 15M;
+
     # Gzip compression
     gzip on;
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
@@ -12,10 +15,18 @@ server {
     location /api {
         proxy_pass http://backend:8000;
         proxy_http_version 1.1;
-        proxy_set_header Host $host;
+        proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header Range $http_range;
+        proxy_set_header If-Range $http_if_range;
+        proxy_redirect off;
+
+        # Disable buffering for streaming
+        proxy_buffering off;
+        proxy_cache off;
+        proxy_request_buffering off;
     }
 
     # WebSocket proxy

frontend/public/speaker-1-svgrepo-com.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M16 8.99998C16.5 9.49998 17 10.5 17 12C17 13.5 16.5 14.5 16 15M3 10.5V13.5C3 14.6046 3.5 15.5 5.5 16C7.5 16.5 9 21 12 21C14 21 14 3 12 3C9 3 7.5 7.5 5.5 8C3.5 8.5 3 9.39543 3 10.5Z" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

frontend/public/speaker-2-svgrepo-com.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M19 6C20.5 7.5 21 10 21 12C21 14 20.5 16.5 19 18M16 8.99998C16.5 9.49998 17 10.5 17 12C17 13.5 16.5 14.5 16 15M3 10.5V13.5C3 14.6046 3.5 15.5 5.5 16C7.5 16.5 9 21 12 21C14 21 14 3 12 3C9 3 7.5 7.5 5.5 8C3.5 8.5 3 9.39543 3 10.5Z" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

frontend/public/speaker-disabled-svgrepo-com.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M5 8.14307C3.4148 8.66137 3 9.49393 3 10.5V13.5C3 14.6046 3.5 15.5 5.5 16C7.5 16.5 9 21 12 21C12.6098 21 13.0337 19.3265 13.2717 17M3 3L21 21M9 4.60756C9.84604 3.71548 10.8038 3 12 3C12.7739 3 13.2484 5.69533 13.4233 9" stroke="#000000" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

frontend/src/components/player/MiniPlayer.vue

@@ -1,35 +1,74 @@
 <template>
   <div class="mini-player" v-if="activeRoomStore.isInRoom">
-    <div class="mini-player-info" @click="goToRoom">
+    <!-- Progress bar at top -->
-      <div class="room-name">{{ activeRoomStore.roomName }}</div>
+    <div class="progress-bar-top" @click="handleSeek">
-      <div class="track-info" v-if="currentTrack">
+      <div class="progress-fill" :style="{ width: progressPercent + '%' }"></div>
-        {{ currentTrack.title }} - {{ currentTrack.artist }}
+    </div>
+
+    <div class="mini-player-content">
+      <!-- Track info - left side -->
+      <div class="mini-player-info" @click="goToRoom">
+        <div class="track-title" v-if="currentTrack">{{ currentTrack.title }}</div>
+        <div class="track-title" v-else>Нет трека</div>
+        <div class="track-artist" v-if="currentTrack">{{ currentTrack.artist }}</div>
+        <div class="room-name">{{ activeRoomStore.roomName }}</div>
       </div>
-      <div class="track-info" v-else>Нет трека</div>
-    </div>
 
-    <div class="mini-player-controls">
+      <!-- Controls - center -->
-      <button class="control-btn" @click="handlePrev">
+      <div class="mini-player-controls">
-        <span>⏮</span>
+        <button class="control-btn" @click="handlePrev">
-      </button>
+          <span>⏮</span>
-      <button class="control-btn play-btn" @click="togglePlay">
+        </button>
-        <span>{{ playerStore.isPlaying ? '⏸' : '▶' }}</span>
+        <button class="control-btn play-btn" @click="togglePlay">
-      </button>
+          <span>{{ playerStore.isPlaying ? '⏸' : '▶' }}</span>
-      <button class="control-btn" @click="handleNext">
+        </button>
-        <span>⏭</span>
+        <button class="control-btn" @click="handleNext">
-      </button>
+          <span>⏭</span>
-    </div>
+        </button>
-
-    <div class="mini-player-progress">
-      <div class="progress-bar" @click="handleSeek">
-        <div class="progress-fill" :style="{ width: progressPercent + '%' }"></div>
       </div>
-      <span class="time">{{ formatTime(playerStore.position) }} / {{ formatTime(playerStore.duration) }}</span>
-    </div>
 
-    <button class="leave-btn" @click="handleLeave" title="Выйти из комнаты">
+      <!-- Right side - time, volume, leave -->
-      ✕
+      <div class="mini-player-right">
-    </button>
+        <span class="time">{{ formatTime(playerStore.position) }} / {{ formatTime(playerStore.duration) }}</span>
+
+        <div class="volume-control">
+          <img
+            v-if="playerStore.volume === 0"
+            src="/speaker-disabled-svgrepo-com.svg"
+            class="volume-icon"
+            @click="toggleMute"
+          />
+          <img
+            v-else-if="playerStore.volume < 50"
+            src="/speaker-1-svgrepo-com.svg"
+            class="volume-icon"
+            @click="toggleMute"
+          />
+          <img
+            v-else
+            src="/speaker-2-svgrepo-com.svg"
+            class="volume-icon"
+            @click="toggleMute"
+          />
+          <div class="volume-popup">
+            <span class="volume-value">{{ playerStore.volume }}%</span>
+            <input
+              type="range"
+              min="0"
+              max="100"
+              :value="playerStore.volume"
+              @input="handleVolume"
+              class="volume-slider"
+              orient="vertical"
+            />
+          </div>
+        </div>
+
+        <button class="leave-btn" @click="handleLeave" title="Выйти из комнаты">
+          ✕
+        </button>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -89,6 +128,22 @@ function goToRoom() {
   router.push(`/room/${activeRoomStore.roomId}`)
 }
 
+let previousVolume = 100
+
+function handleVolume(e) {
+  activeRoomStore.setVolume(Number(e.target.value))
+}
+
+
+function toggleMute() {
+  if (playerStore.volume > 0) {
+    previousVolume = playerStore.volume
+    activeRoomStore.setVolume(0)
+  } else {
+    activeRoomStore.setVolume(previousVolume)
+  }
+}
+
 async function handleLeave() {
   await activeRoomStore.leaveRoom()
   router.push('/')
@@ -102,39 +157,66 @@ async function handleLeave() {
   left: 0;
   right: 0;
   background: #1a1a2e;
-  border-top: 1px solid #333;
-  padding: 12px 20px;
-  display: flex;
-  align-items: center;
-  gap: 20px;
   z-index: 1000;
 }
 
-.mini-player-info {
+.mini-player-content {
-  flex: 0 0 200px;
+  position: relative;
-  cursor: pointer;
+  display: flex;
-  overflow: hidden;
+  align-items: center;
-}
+  padding: 12px 20px;
-
-.room-name {
-  font-size: 12px;
-  color: #7c3aed;
-  margin-bottom: 2px;
-}
-
-.track-info {
-  font-size: 14px;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
 }
 
 .mini-player-controls {
+  position: absolute;
+  left: 50%;
+  transform: translateX(-50%);
   display: flex;
   align-items: center;
   gap: 8px;
 }
 
+.progress-bar-top {
+  height: 4px;
+  background: #333;
+  cursor: pointer;
+  width: 100%;
+}
+
+.progress-bar-top:hover {
+  height: 6px;
+}
+
+.progress-fill {
+  height: 100%;
+  background: #7c3aed;
+  transition: width 0.1s linear;
+}
+
+.mini-player-info {
+  flex: 1;
+  min-width: 0;
+  cursor: pointer;
+}
+
+.track-title {
+  font-size: 15px;
+  font-weight: 500;
+  color: #fff;
+  margin-bottom: 2px;
+}
+
+.track-artist {
+  font-size: 13px;
+  color: #aaa;
+  margin-bottom: 2px;
+}
+
+.room-name {
+  font-size: 11px;
+  color: #7c3aed;
+}
+
 .control-btn {
   background: transparent;
   border: none;
@@ -152,8 +234,8 @@ async function handleLeave() {
 
 .play-btn {
   background: #7c3aed;
-  width: 40px;
+  width: 44px;
-  height: 40px;
+  height: 44px;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -163,34 +245,116 @@ async function handleLeave() {
   background: #6d28d9;
 }
 
-.mini-player-progress {
+.mini-player-right {
-  flex: 1;
   display: flex;
   align-items: center;
-  gap: 12px;
+  gap: 16px;
-}
+  flex-shrink: 0;
-
-.progress-bar {
-  flex: 1;
-  height: 6px;
-  background: #333;
-  border-radius: 3px;
-  cursor: pointer;
-  overflow: hidden;
-}
-
-.progress-fill {
-  height: 100%;
-  background: #7c3aed;
-  border-radius: 3px;
-  transition: width 0.1s linear;
 }
 
 .time {
   font-size: 12px;
   color: #888;
-  min-width: 90px;
+  min-width: 80px;
-  text-align: right;
+  text-align: center;
+}
+
+.volume-control {
+  position: relative;
+  display: flex;
+  align-items: center;
+}
+
+.volume-icon {
+  cursor: pointer;
+  width: 32px;
+  height: 32px;
+  padding: 8px;
+  filter: invert(60%);
+  transition: filter 0.2s;
+}
+
+.volume-icon:hover {
+  filter: invert(100%);
+}
+
+.volume-popup {
+  position: absolute;
+  bottom: 100%;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 40px;
+  height: 120px;
+  margin-bottom: 0;
+  opacity: 0;
+  visibility: hidden;
+  transition: opacity 0.2s, visibility 0.2s;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.volume-value {
+  position: absolute;
+  top: -25px;
+  left: 50%;
+  transform: translateX(-50%);
+  font-size: 12px;
+  color: #fff;
+  font-weight: 500;
+  white-space: nowrap;
+}
+
+.volume-control:hover .volume-popup {
+  opacity: 1;
+  visibility: visible;
+}
+
+.volume-slider {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 100px;
+  height: 8px;
+  background: #444;
+  border-radius: 4px;
+  cursor: pointer;
+  transform: rotate(-90deg);
+  margin: 0;
+  padding: 0;
+}
+
+.volume-slider::-webkit-slider-runnable-track {
+  width: 100%;
+  height: 8px;
+  background: #444;
+  border-radius: 4px;
+}
+
+.volume-slider::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  appearance: none;
+  width: 18px;
+  height: 18px;
+  background: #7c3aed;
+  border-radius: 50%;
+  cursor: pointer;
+  margin-top: -5px;
+}
+
+.volume-slider::-moz-range-track {
+  width: 100%;
+  height: 8px;
+  background: #444;
+  border-radius: 4px;
+}
+
+.volume-slider::-moz-range-thumb {
+  width: 18px;
+  height: 18px;
+  background: #7c3aed;
+  border-radius: 50%;
+  cursor: pointer;
+  border: none;
 }
 
 .leave-btn {
@@ -208,4 +372,18 @@ async function handleLeave() {
   background: #ff4444;
   color: white;
 }
+
+@media (max-width: 768px) {
+  .volume-control {
+    display: none;
+  }
+
+  .time {
+    display: none;
+  }
+
+  .mini-player-content {
+    padding: 10px 16px;
+  }
+}
 </style>

frontend/src/stores/activeRoom.js

@@ -19,6 +19,8 @@ export const useActiveRoomStore = defineStore('activeRoom', () => {
   // Audio element
   let audio = null
   let onTrackEndedCallback = null
+  let pendingPlay = false
+  let pendingPosition = null
 
   const isInRoom = computed(() => roomId.value !== null)
 
@@ -27,13 +29,27 @@ export const useActiveRoomStore = defineStore('activeRoom', () => {
 
     audio = new Audio()
     audio.volume = playerStore.volume / 100
+    audio.preload = 'auto'
 
     audio.addEventListener('timeupdate', () => {
       playerStore.setPosition(Math.floor(audio.currentTime * 1000))
     })
 
+    // Set position once metadata is loaded
     audio.addEventListener('loadedmetadata', () => {
       playerStore.setDuration(Math.floor(audio.duration * 1000))
+      if (pendingPosition !== null) {
+        audio.currentTime = pendingPosition / 1000
+        pendingPosition = null
+      }
+    })
+
+    // Play as soon as enough data is available
+    audio.addEventListener('canplay', () => {
+      if (pendingPlay) {
+        audio.play().catch(() => {})
+        pendingPlay = false
+      }
     })
 
     audio.addEventListener('ended', () => {
@@ -159,8 +175,20 @@ export const useActiveRoomStore = defineStore('activeRoom', () => {
       const apiUrl = import.meta.env.VITE_API_URL || ''
       const fullUrl = state.track_url.startsWith('/') ? `${apiUrl}${state.track_url}` : state.track_url
       audio.src = fullUrl
-      audio.load()
       playerStore.currentTrackUrl = state.track_url
+
+      // Set pending play if should be playing
+      if (state.is_playing) {
+        pendingPlay = true
+      }
+
+      // Store position to set after metadata loads
+      if (state.position !== undefined && state.position > 0) {
+        pendingPosition = state.position
+      }
+
+      audio.load()
+      return // Wait for canplay event
     }
 
     if (state.position !== undefined) {