fixed music load, added radio

akarpov/common/channels.py

@@ -1,4 +1,5 @@
 from channels.db import database_sync_to_async
+from channels.generic.websocket import AsyncJsonWebsocketConsumer, JsonWebsocketConsumer
 
 from akarpov.common.jwt import read_jwt
 
@@ -29,3 +30,13 @@ async def __call__(self, scope, receive, send):
         scope["user"] = await get_user(dict(scope["headers"]))
 
         return await self.app(scope, receive, send)
+
+
+class BaseConsumer(AsyncJsonWebsocketConsumer):
+    async def send_error(self, msg):
+        await self.send_json({"type": "error", "data": {"msg": msg}})
+
+
+class SyncBaseConsumer(JsonWebsocketConsumer):
+    def send_error(self, msg):
+        self.send_json({"type": "error", "data": {"msg": msg}})

akarpov/music/api/serializers.py

@@ -0,0 +1,44 @@
+from rest_framework import serializers
+
+from akarpov.music.models import Album, Author, Song
+
+
+class AuthorSerializer(serializers.ModelSerializer):
+    url = serializers.SerializerMethodField(method_name="get_url")
+
+    def get_url(self, obj):
+        return obj.get_absolute_url()
+
+    class Meta:
+        model = Author
+        fields = ["name", "link", "image_cropped", "url"]
+
+
+class AlbumSerializer(serializers.ModelSerializer):
+    url = serializers.SerializerMethodField(method_name="get_url")
+
+    def get_url(self, obj):
+        return obj.get_absolute_url()
+
+    class Meta:
+        model = Album
+        fields = ["name", "link", "image_cropped", "url"]
+
+
+class SongSerializer(serializers.ModelSerializer):
+    authors = AuthorSerializer(many=True)
+    album = AlbumSerializer()
+
+    class Meta:
+        model = Song
+        fields = [
+            "id",
+            "image",
+            "link",
+            "length",
+            "played",
+            "name",
+            "file",
+            "authors",
+            "album",
+        ]

akarpov/music/apps.py

@@ -1,4 +1,5 @@
 from django.apps import AppConfig
+from django.core.exceptions import AppRegistryNotReady
 
 
 class MusicConfig(AppConfig):
@@ -10,3 +11,12 @@ def ready(self):
             import akarpov.music.signals  # noqa F401
         except ImportError:
             pass
+        try:
+            from akarpov.music.tasks import start_next_song
+
+            start_next_song.apply_async(
+                kwargs={"previous_ids": []},
+                countdown=5,
+            )
+        except AppRegistryNotReady:
+            pass

akarpov/music/consumers.py

@@ -0,0 +1,51 @@
+import json
+
+from channels.db import database_sync_to_async
+from django.utils.timezone import now
+
+from akarpov.common.channels import BaseConsumer
+from akarpov.music.api.serializers import SongSerializer
+from akarpov.music.models import RadioSong
+
+
+class RadioConsumer(BaseConsumer):
+    def __init__(self, *args, **kwargs):
+        super().__init__(args, kwargs)
+        self.room_group_name = None
+
+    async def connect(self):
+        self.room_group_name = "radio_main"
+
+        await self.accept()
+        await self.channel_layer.group_add(self.room_group_name, self.channel_name)
+        data = await self.get_radio_song()
+        if data:
+            await self.send_json(data)
+
+    @database_sync_to_async
+    def get_radio_song(self):
+        r = RadioSong.objects.filter(slug="")
+        if r:
+            r = r.first()
+            return SongSerializer(context={"request": None}).to_representation(
+                r.song
+            ) | {"offset": (now() - r.start).seconds}
+        return None
+
+    async def disconnect(self, close_code):
+        await self.channel_layer.group_discard(self.room_group_name, self.channel_name)
+
+    async def receive(self, text_data):
+        data = None
+
+        try:
+            data = json.loads(text_data)
+        except ValueError:
+            await self.send_json(
+                {"type": "ERROR", "message": "data is not JSON serializable"}
+            )
+        return data
+
+    async def song(self, event):
+        data = event["data"]
+        await self.send_json(data)

akarpov/music/migrations/0004_radiosong.py

@@ -0,0 +1,37 @@
+# Generated by Django 4.2.3 on 2023-07-09 19:20
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("music", "0003_remove_song_author_remove_songinque_song_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="RadioSong",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("slug", models.SlugField(unique=True)),
+                (
+                    "song",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="radio",
+                        to="music.song",
+                    ),
+                ),
+            ],
+        ),
+    ]

akarpov/music/migrations/0005_radiosong_start.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.3 on 2023-07-09 19:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("music", "0004_radiosong"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="radiosong",
+            name="start",
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]

akarpov/music/models.py

@@ -83,3 +83,9 @@ class SongInQue(models.Model):
     name = models.CharField(blank=True, max_length=250)
     status = models.CharField(null=True, blank=True, max_length=250)
     error = models.BooleanField(default=False)
+
+
+class RadioSong(models.Model):
+    start = models.DateTimeField(auto_now=True)
+    slug = models.SlugField(unique=True)
+    song = models.ForeignKey("Song", related_name="radio", on_delete=models.CASCADE)

akarpov/music/services/db.py

@@ -1,6 +1,8 @@
 import os
 
 from django.core.files import File
+from mutagen import File as MutagenFile
+from mutagen.id3 import APIC, ID3, TCON, TORY, TextFrame
 from mutagen.mp3 import MP3
 from PIL import Image
 from pydub import AudioSegment
@@ -15,10 +17,11 @@ def load_track(
     album: str | None = None,
     name: str | None = None,
     link: str | None = None,
+    **kwargs,
 ) -> Song:
     p_name = path.split("/")[-1]
     if authors:
-        authors = [Author.objects.get_or_create(name=x)[0] for x in authors]
+        authors = [Author.objects.get_or_create(name=x)[0] for x in authors if authors]
     else:
         authors = []
     if album:
@@ -27,7 +30,9 @@ def load_track(
         album = None
 
     if sng := Song.objects.filter(
-        name=name if name else p_name, authors=authors, album=album
+        name=name if name else p_name,
+        authors__id__in=[x.id for x in authors],
+        album=album,
     ):
         return sng.first()
 
@@ -37,8 +42,7 @@ def load_track(
         os.remove(path)
         path = mp3_path
 
-    audio = MP3(path)
+    tag = MP3(path, ID3=ID3)
-
     if image_path:
         if not image_path.endswith(".png"):
             im = Image.open(image_path)
@@ -46,18 +50,50 @@ def load_track(
             im.save(image_path)
 
     song = Song(
-        link=link, length=audio.info.length, name=name if name else p_name, album=album
+        link=link if link else "",
+        length=tag.info.length,
+        name=name if name else p_name,
+        album=album,
     )
 
+    if image_path:
+        with open(path, "rb") as file, open(image_path, "rb") as image:
+            song.image = File(image, name=image_path.split("/")[-1])
+            song.file = File(file, name=path.split("/")[-1])
+            song.save()
+    else:
         with open(path, "rb") as file:
             song.file = File(file, name=path.split("/")[-1])
-
+            song.save()
-    if image_path:
-        with open(image_path, "rb") as file:
-            song.image = File(file, name=image_path.split("/")[-1])
 
     if authors:
         song.authors.set(authors)
 
-    song.save()
+    # set music meta
+    tag = MutagenFile(song.file.path)
+    tag["title"] = TextFrame(encoding=3, text=[name])
+    if album:
+        tag["album"] = TextFrame(encoding=3, text=[album.name])
+    if authors:
+        tag["artist"] = TextFrame(encoding=3, text=[x.name for x in authors])
+    tag.save()
+
+    tag = MP3(song.file.path, ID3=ID3)
+    if image_path:
+        with open(image_path, "rb") as f:
+            tag.tags.add(
+                APIC(
+                    encoding=3,  # 3 is for utf-8
+                    mime="image/png",  # image/jpeg or image/png
+                    type=3,  # 3 is for the cover image
+                    desc="Cover",
+                    data=f.read(),
+                )
+            )
+    if "release" in kwargs:
+        tag.tags.add(TORY(text=kwargs["release"]))
+    if "genre" in kwargs:
+        tag.tags.add(TCON(text=kwargs["genre"]))
+    tag.save()
+
     return song

akarpov/music/services/file.py

@@ -1,49 +1,60 @@
+import os
+from io import BytesIO
 from pathlib import Path
+from random import randint
 
 import mutagen
-from django.core.files import File
+from mutagen.id3 import ID3
+from PIL import Image, UnidentifiedImageError
 
-from akarpov.music.models import Album, Author, Song, SongInQue
+from akarpov.music.models import Song
+from akarpov.music.services.db import load_track
 
 
 def load_dir(path: str):
     path = Path(path)
 
     for f in list(path.glob("**/*.mp3")):
-        with f.open("rb") as file:
+        process_mp3_file(str(f))
-            process_mp3_file(File(file, name=str(f).split("/")[-1]), str(f))
 
 
 def load_file(path: str):
-    with open(path, "rb") as file:
+    process_mp3_file(path)
-        process_mp3_file(File(file, name=path.split("/")[-1]), path)
 
 
-def process_mp3_file(file: File, path: str) -> None:
+def process_mp3_file(path: str) -> None:
-    que = SongInQue.objects.create()
-    try:
     tag = mutagen.File(path, easy=True)
-        que.name = tag["title"][0] if "title" in tag else path.split("/")[-1]
-        que.save()
     if "artist" in tag:
-            author = Author.objects.get_or_create(name=tag["artist"][0])[0]
+        author = tag["artist"]
     else:
         author = None
 
     if "album" in tag:
-            album = Album.objects.get_or_create(name=tag["album"][0])[0]
+        album = tag["album"]
     else:
         album = None
+    name = tag["title"][0] if "title" in tag else path.split("/")[-1]
+    f = Song.objects.filter(name=name)
+    if author:
+        f.filter(authors__name__in=author)
+    if album:
+        f.filter(album__name=album)
+    if f.exists():
+        return
 
-        song, created = Song.objects.get_or_create(
+    tags = ID3(path)
-            name=tag["title"][0] if "title" in tag else path.split("/")[-1],
+    pict = [x for x in tags.getall("APIC") if x]
-            author=author,
+    image_pth = None
-            album=album,
+    if pict:
-        )
+        try:
-        song.file = file
+            pict = pict[0].data
-        song.save(update_fields=["file"])
+            im = Image.open(BytesIO(pict))
-        que.delete()
+            image_pth = f"/tmp/{randint(1, 1000000)}.png"
-    except Exception as e:
+            if os.path.exists(image_pth):
-        que.name = e
+                image_pth = f"/tmp/{randint(1, 1000000)}.png"
-        que.error = True
+            im.save(image_pth)
-        que.save()
+        except UnidentifiedImageError:
+            pass
+    load_track(path, image_pth, author, album, name)
+    if image_pth and os.path.exists(image_pth):
+        os.remove(image_pth)

akarpov/music/services/youtube.py

@@ -1,18 +1,14 @@
 import os
-from pathlib import Path
 from random import randint
 
 import requests
 from django.conf import settings
-from django.core.files import File
-from mutagen.easyid3 import EasyID3
-from mutagen.id3 import APIC, ID3, TCON, TORY
-from mutagen.mp3 import MP3
 from PIL import Image
 from pydub import AudioSegment
 from pytube import Search, YouTube
 
-from akarpov.music.models import Album, Author, Song, SongInQue
+from akarpov.music.models import Song, SongInQue
+from akarpov.music.services.db import load_track
 from akarpov.music.services.spotify import get_track_info
 
 
@@ -37,9 +33,6 @@ def download_from_youtube_link(link: str) -> Song:
             que.delete()
             return sng.first()
 
-        authors = [Author.objects.get_or_create(name=x)[0] for x in info["artists"]]
-        album = Album.objects.get_or_create(name=info["album_name"])[0]
-
         audio = yt.streams.filter(only_audio=True).order_by("abr").desc().first()
         orig_path = audio.download(output_path=settings.MEDIA_ROOT)
 
@@ -52,7 +45,7 @@ def download_from_youtube_link(link: str) -> Song:
         r = requests.get(info["album_image"])
         img_pth = str(
             settings.MEDIA_ROOT
-            + f"/{info['album_image'].split('/')[-1]}_{str(randint(100, 999))}"
+            + f"/{info['album_image'].split('/')[-1]}_{str(randint(100, 999))}.png"
         )
         with open(img_pth, "wb") as f:
             f.write(r.content)
@@ -62,41 +55,9 @@ def download_from_youtube_link(link: str) -> Song:
 
         os.remove(img_pth)
 
-        # set music meta
+        load_track(path, img_pth, info["artists"], info["album_name"])
-        tag = MP3(path, ID3=ID3)
-        tag.tags.add(
-            APIC(
-                encoding=3,  # 3 is for utf-8
-                mime="image/png",  # image/jpeg or image/png
-                type=3,  # 3 is for the cover image
-                desc="Cover",
-                data=open(str(f"{img_pth}.png"), "rb").read(),
-            )
-        )
-        tag.tags.add(TORY(text=info["release"]))
-        if "genre" in info:
-            tag.tags.add(TCON(text=info["genre"]))
-
-        tag.save()
-        os.remove(str(f"{img_pth}.png"))
-        tag = EasyID3(path)
-
-        tag["title"] = info["title"]
-        tag["album"] = info["album_name"]
-        tag["artist"] = info["artist"]
-
-        tag.save()
-
-        # save track
-        ms_path = Path(path)
-        song = Song(name=info["title"], author=authors[0], album=album)
-        with ms_path.open(mode="rb") as f:
-            song.file = File(f, name=ms_path.name)
-            song.save()
-        os.remove(path)
-        que.delete()
-        return song
     except Exception as e:
+        print(e)
         que.name = e
         que.error = True
         que.save()

akarpov/music/tasks.py

@@ -1,8 +1,13 @@
+from asgiref.sync import async_to_sync
 from celery import shared_task
+from channels.layers import get_channel_layer
 from pytube import Channel, Playlist
 
+from akarpov.music.api.serializers import SongSerializer
+from akarpov.music.models import RadioSong, Song
 from akarpov.music.services import yandex, youtube
 from akarpov.music.services.file import load_dir, load_file
+from akarpov.utils.celery import get_scheduled_tasks_name
 
 
 @shared_task
@@ -44,3 +49,39 @@ def process_file(path):
 @shared_task
 def load_ym_file_meta(track):
     return yandex.load_file_meta(track)
+
+
+@shared_task()
+def start_next_song(previous_ids: list):
+    f = Song.objects.filter(length__isnull=False).exclude(id__in=previous_ids)
+    if not f:
+        previous_ids = []
+        f = Song.objects.filter(length__isnull=False)
+    if not f:
+        if "akarpov.music.tasks.start_next_song" not in get_scheduled_tasks_name():
+            start_next_song.apply_async(
+                kwargs={"previous_ids": []},
+                countdown=60,
+            )
+    else:
+        song = f.order_by("?").first()
+        data = SongSerializer(context={"request": None}).to_representation(song)
+        channel_layer = get_channel_layer()
+        async_to_sync(channel_layer.group_send)(
+            "radio_main", {"type": "song", "data": data}
+        )
+        song.played += 1
+        song.save(update_fields=["played"])
+        if RadioSong.objects.filter(slug="").exists():
+            r = RadioSong.objects.get(slug="")
+            r.song = song
+            r.save()
+        else:
+            RadioSong.objects.create(song=song, slug="")
+        previous_ids.append(song.id)
+        if "akarpov.music.tasks.start_next_song" not in get_scheduled_tasks_name():
+            start_next_song.apply_async(
+                kwargs={"previous_ids": previous_ids},
+                countdown=song.length,
+            )
+    return

akarpov/music/urls.py

@@ -11,4 +11,5 @@
     path("album/<str:slug>", views.album_view, name="album"),
     path("author/<str:slug>", views.author_view, name="author"),
     path("playlist/<str:slug>", views.playlist_view, name="playlist"),
+    path("radio/", views.radio_main_view, name="radio"),
 ]

akarpov/music/views.py

@@ -48,13 +48,14 @@ class PlaylistView(generic.DetailView):
 
 class LoadTrackView(SuperUserRequiredMixin, generic.FormView):
     form_class = TracksLoadForm
+    template_name = "music/upload.html"
 
     def get_success_url(self):
         # TODO: add room to see tracks load
         return ""
 
     def form_valid(self, form):
-        load_tracks(form.address)
+        load_tracks(form.data["address"])
         return super().form_valid(form)
 
 
@@ -76,3 +77,10 @@ def form_valid(self, form):
 
 
 load_track_file_view = LoadTrackFileView.as_view()
+
+
+class MainRadioView(generic.TemplateView):
+    template_name = "music/radio.html"
+
+
+radio_main_view = MainRadioView.as_view()

akarpov/templates/music/radio.html

@@ -0,0 +1,330 @@
+{% extends 'base.html' %}
+
+{% block css %}
+<style>
+body {
+  background-color: #EDEDED;
+}
+
+h1 {
+  font-family: "Open Sans", sans-serif;
+  font-size: 13pt;
+  font-weight: 600;
+  text-transform: uppercase;
+  color: white;
+  cursor: default;
+}
+
+h4 {
+  font-family: "Open Sans", sans-serif;
+  font-size: 8pt;
+  font-weight: 400;
+  cursor: default;
+}
+
+h2 {
+  font-family: "Open Sans", sans-serif;
+  font-size: 13pt;
+  font-weight: 300;
+  color: white;
+  cursor: default;
+}
+
+.player {
+  height: 190px;
+  width: 430px;
+  background-color: #1E2125;
+  position: absolute;
+  -webkit-touch-callout: none;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  -webkit-transform: translate(-50%, -50%);
+}
+.player ul {
+  list-style: none;
+}
+.player ul li {
+  display: inline-block;
+}
+
+.cover {
+  position: absolute;
+  top: 0;
+  left: 0;
+}
+.cover img {
+  height: 190px;
+  width: 190px;
+}
+
+.info h1 {
+  margin-top: 15px;
+  margin-left: 180px;
+  line-height: 0;
+}
+.info h4 {
+  margin-left: 180px;
+  line-height: 20px;
+  color: #636367;
+}
+.info h2 {
+  margin-left: 180px;
+}
+
+.button-items {
+  margin-left: 180px;
+}
+
+#slider {
+  width: 182px;
+  height: 4px;
+  background: #151518;
+  border-radius: 2px;
+}
+#slider div {
+  width: 4px;
+  height: 4px;
+  margin-top: 1px;
+  background: #EF6DBC;
+  border-radius: 2px;
+}
+
+#timer {
+  color: #494B4E;
+  line-height: 0;
+  font-size: 9pt;
+  float: right;
+  font-family: Arial, Sans-Serif;
+}
+
+.controls {
+  margin-top: 20px;
+}
+.controls svg:nth-child(2) {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+
+#play {
+  padding: 0 3px;
+  width: 30px;
+  height: 30px;
+  x: 0px;
+  y: 0px;
+  enable-background: new 0 0 25 25;
+}
+#play g {
+  stroke: #FEFEFE;
+  stroke-width: 1;
+  stroke-miterlimit: 10;
+}
+#play g path {
+  fill: #FEFEFE;
+}
+
+#play:hover {
+  cursor: pointer;
+}
+#play:hover g {
+  stroke: #8F4DA9;
+  cursor: pointer;
+}
+#play:hover g path {
+  fill: #9b59b6;
+  cursor: pointer;
+}
+
+.step-backward {
+  width: 18px;
+  height: 18px;
+  x: 0px;
+  y: 0px;
+  enable-background: new 0 0 25 25;
+  margin-bottom: 5px;
+}
+.step-backward g polygon {
+  fill: #FEFEFE;
+}
+
+.step-foreward {
+  width: 18px;
+  height: 18px;
+  x: 0px;
+  y: 0px;
+  enable-background: new 0 0 25 25;
+  margin-bottom: 5px;
+}
+.step-foreward g polygon {
+  fill: #FEFEFE;
+}
+
+#pause {
+  x: 0px;
+  y: 0px;
+  enable-background: new 0 0 25 25;
+  width: 30px;
+  height: 30px;
+  position: absolute;
+  margin-left: -38px;
+  cursor: pointer;
+}
+#pause rect {
+  fill: white;
+}
+
+#pause:hover rect {
+  fill: #8F4DA9;
+}
+
+.step-backward g polygon:hover, .step-foreward g polygon:hover {
+  fill: #EF6DBC;
+  cursor: pointer;
+}
+#skip p {
+  color: #2980b9;
+}
+#skip p:hover {
+  color: #e74c3c;
+  cursor: pointer;
+}
+
+.expend {
+  padding: 0.5px;
+  cursor: pointer;
+}
+.expend svg:hover g polygon {
+  fill: #EF6DBC;
+}
+</style>
+{% endblock %}
+
+{% block content %}
+    <div class="player">
+   <ul>
+      <li class="cover"><img id="cover" src="" alt=""/></li>
+      <li class="info">
+         <h1 id="artist"></h1>
+         <h4 id="album"></h4>
+         <h2 id="name">I Need You Back</h2>
+
+         <div class="button-items">
+            <audio id="music">
+               <source id="music-src" type="audio/mp3">
+            </audio>
+            <div id="slider"><div id="elapsed"></div></div>
+            <p id="timer">0:00</p>
+            <div class="controls">
+               <span class="expend"><svg class="step-backward" viewBox="0 0 25 25" xml:space="preserve">
+                  <g><polygon points="4.9,4.3 9,4.3 9,11.6 21.4,4.3 21.4,20.7 9,13.4 9,20.7 4.9,20.7"/></g>
+               </svg></span>
+
+               <svg id="play" viewBox="0 0 25 25" xml:space="preserve">
+                   <defs><rect x="-49.5" y="-132.9" width="446.4" height="366.4"/></defs>
+                  <g><circle fill="none" cx="12.5" cy="12.5" r="10.8"/>
+                       <path fill-rule="evenodd" clip-rule="evenodd" d="M8.7,6.9V18c0,0,0.2,1.4,1.8,0l8.1-4.8c0,0,1.2-1.1-1-2L9.8,6.5 C9.8,6.5,9.1,6,8.7,6.9z"/>
+                  </g>
+               </svg>
+
+
+               <svg id="pause" viewBox="0 0 25 25" xml:space="preserve">
+                  <g>
+                     <rect x="6" y="4.6" width="3.8" height="15.7"/>
+                     <rect x="14" y="4.6" width="3.9" height="15.7"/>
+                  </g>
+               </svg>
+
+               <span class="expend"><svg class="step-foreward" viewBox="0 0 25 25" xml:space="preserve">
+                  <g><polygon points="20.7,4.3 16.6,4.3 16.6,11.6 4.3,4.3 4.3,20.7 16.7,13.4 16.6,20.7 20.7,20.7"/></g>
+                  </svg></span>
+              </div>
+           </div>
+        </li>
+     </ul>
+  </div>
+{% endblock %}
+
+{% block inline_javascript %}
+
+    <script>
+        const music = document.getElementById("music");
+
+        async function playAudio() {
+            try {
+              await music.play();
+              playButton.style.visibility = "hidden";
+              pause.style.visibility = "visible";
+            } catch (err) {
+              playButton.style.visibility = "visible";
+              pause.style.visibility = "hidden";
+            }
+          }
+
+        const music_src = document.getElementById("music-src")
+        const cover_src = document.getElementById("cover")
+        const name = document.getElementById("name")
+        const album = document.getElementById("album")
+        const artist = document.getElementById("artist")
+
+        const socket = new WebSocket(
+            'ws://'
+            + window.location.host
+            + '/ws/radio/'
+        );
+
+        socket.onmessage = function(e) {
+            const data = JSON.parse(e.data);
+            console.log(data)
+            music_src.src = data.file
+            if (data.image !== null) {
+              cover_src.src = data.image
+            }
+            name.innerText = data.name
+            playAudio()
+        };
+
+        socket.onclose = function(e) {
+            console.error('Chat socket closed unexpectedly');
+        };
+        const playButton = document.getElementById("play");
+        const pauseButton = document.getElementById("pause");
+        const playhead = document.getElementById("elapsed");
+        const timeline = document.getElementById("slider");
+        const timer = document.getElementById("timer");
+        let duration;
+        pauseButton.style.visibility = "hidden";
+
+        const timelineWidth = timeline.offsetWidth - playhead.offsetWidth;
+        music.addEventListener("timeupdate", timeUpdate, false);
+
+        function timeUpdate() {
+          const playPercent = timelineWidth * (music.currentTime / duration);
+          playhead.style.width = playPercent + "px";
+
+          const secondsIn = Math.floor(((music.currentTime / duration) / 3.5) * 100);
+          if (secondsIn <= 9) {
+            timer.innerHTML = "0:0" + secondsIn;
+          } else {
+            timer.innerHTML = "0:" + secondsIn;
+          }
+        }
+
+        playButton.onclick = function() {
+            playAudio()
+        }
+
+        pauseButton.onclick = function() {
+          music.pause();
+          playButton.style.visibility = "visible";
+          pause.style.visibility = "hidden";
+        }
+
+        music.addEventListener("canplaythrough", function () {
+          duration = music.duration;
+        }, false);
+    </script>
+{% endblock %}

akarpov/templates/music/upload.html

@@ -0,0 +1,20 @@
+{% extends "base.html" %}
+{% load static %}
+{% load crispy_forms_tags %}
+
+{% block title %}editing post on akarpov{% endblock %}
+
+{% block content %}
+<form class="pt-2" enctype="multipart/form-data" method="POST" id="designer-form">
+    {% csrf_token %}
+    {{ form.media }}
+    {% for field in form %}
+        {{ field|as_crispy_field }}
+    {% endfor %}
+    <div class="mt-4 flex justify-end space-x-4">
+        <button class="btn btn-secondary" type="submit" id="submit">
+            Upload
+        </button>
+    </div>
+</form>
+{% endblock %}

akarpov/utils/celery.py

@@ -0,0 +1,10 @@
+from config.celery_app import app
+
+
+def get_scheduled_tasks_name() -> [str]:
+    i = app.control.inspect()
+    t = i.scheduled()
+    all_tasks = []
+    for worker, tasks in t.items():
+        all_tasks += tasks
+    return [x["request"]["name"] for x in all_tasks]

akarpov/utils/channels.py

@@ -1,24 +1,12 @@
 import functools
 
-from channels.generic.websocket import AsyncJsonWebsocketConsumer, JsonWebsocketConsumer
-
 
 def login_required(func):
     @functools.wraps(func)
     def wrapper(self, *args, **kwargs):
         if not self.scope.get("user", False) or not self.scope["user"].is_authenticated:
-            self.send_error("Требуется авторизация")
+            self.send_error("Auth is required")
         else:
             return func(self, *args, **kwargs)
 
     return wrapper
-
-
-class BaseConsumer(AsyncJsonWebsocketConsumer):
-    async def send_error(self, msg):
-        await self.send_json({"type": "error", "data": {"msg": msg}})
-
-
-class SyncBaseConsumer(JsonWebsocketConsumer):
-    def send_error(self, msg):
-        self.send_json({"type": "error", "data": {"msg": msg}})

config/asgi.py

@@ -1,12 +1,16 @@
 import os
 
 from channels.routing import ProtocolTypeRouter, URLRouter
+from django.conf import settings
 from django.core.asgi import get_asgi_application
 
 from akarpov.common.channels import HeaderAuthMiddleware
 from config import routing
 
+if settings.DEBUG:
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.local")
+else:
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.settings.production")
 
 application = ProtocolTypeRouter(
     {

config/routing.py

@@ -1 +1,7 @@
-websocket_urlpatterns = []
+from django.urls import re_path
+
+from akarpov.music.consumers import RadioConsumer
+
+websocket_urlpatterns = [
+    re_path(r"ws/radio/", RadioConsumer.as_asgi()),
+]

config/settings/base.py

@@ -76,6 +76,18 @@
 WSGI_APPLICATION = "config.wsgi.application"
 ASGI_APPLICATION = "config.asgi.application"
 
+
+# CHANNELS
+# ------------------------------------------------------------------------------
+CHANNEL_LAYERS = {
+    "default": {
+        "BACKEND": "channels_redis.core.RedisChannelLayer",
+        "CONFIG": {
+            "hosts": [("127.0.0.1", 6379)],
+        },
+    },
+}
+
 # APPS
 # ------------------------------------------------------------------------------
 DJANGO_APPS = [

poetry.lock

@@ -180,6 +180,18 @@ imageio = ">=1.5"
 numpy = ">=1.11.1"
 Pillow = ">=3.3.1"
 
+[[package]]
+name = "annotated-types"
+version = "0.5.0"
+description = "Reusable constraint types to use with typing.Annotated"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "annotated_types-0.5.0-py3-none-any.whl", hash = "sha256:58da39888f92c276ad970249761ebea80ba544b77acddaa1a4d6cf78287d45fd"},
+    {file = "annotated_types-0.5.0.tar.gz", hash = "sha256:47cdc3490d9ac1506ce92c7aaa76c579dc3509ff11e098fc867e5130ab7be802"},
+]
+
 [[package]]
 name = "anyio"
 version = "3.7.1"
@@ -726,6 +738,28 @@ Django = ">=3.2"
 daphne = ["daphne (>=4.0.0)"]
 tests = ["async-timeout", "coverage (>=4.5,<5.0)", "pytest", "pytest-asyncio", "pytest-django"]
 
+[[package]]
+name = "channels-redis"
+version = "4.1.0"
+description = "Redis-backed ASGI channel layer implementation"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "channels_redis-4.1.0-py3-none-any.whl", hash = "sha256:3696f5b9fe367ea495d402ba83d7c3c99e8ca0e1354ff8d913535976ed0abf73"},
+    {file = "channels_redis-4.1.0.tar.gz", hash = "sha256:6bd4f75f4ab4a7db17cee495593ace886d7e914c66f8214a1f247ff6659c073a"},
+]
+
+[package.dependencies]
+asgiref = ">=3.2.10,<4"
+channels = "*"
+msgpack = ">=1.0,<2.0"
+redis = ">=4.5.3"
+
+[package.extras]
+cryptography = ["cryptography (>=1.3.0)"]
+tests = ["async-timeout", "cryptography (>=1.3.0)", "pytest", "pytest-asyncio", "pytest-timeout"]
+
 [[package]]
 name = "chardet"
 version = "3.0.4"
@@ -3076,6 +3110,79 @@ files = [
     {file = "mccabe-0.7.0.tar.gz", hash = "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325"},
 ]
 
+[[package]]
+name = "msgpack"
+version = "1.0.5"
+description = "MessagePack serializer"
+category = "main"
+optional = false
+python-versions = "*"
+files = [
+    {file = "msgpack-1.0.5-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:525228efd79bb831cf6830a732e2e80bc1b05436b086d4264814b4b2955b2fa9"},
+    {file = "msgpack-1.0.5-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:4f8d8b3bf1ff2672567d6b5c725a1b347fe838b912772aa8ae2bf70338d5a198"},
+    {file = "msgpack-1.0.5-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:cdc793c50be3f01106245a61b739328f7dccc2c648b501e237f0699fe1395b81"},
+    {file = "msgpack-1.0.5-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5cb47c21a8a65b165ce29f2bec852790cbc04936f502966768e4aae9fa763cb7"},
+    {file = "msgpack-1.0.5-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:e42b9594cc3bf4d838d67d6ed62b9e59e201862a25e9a157019e171fbe672dd3"},
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+]
+
+[package.dependencies]
+typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
+
 [[package]]
 name = "pydotplus"
 version = "2.0.2"
@@ -5650,4 +5891,4 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "538c0233deaa23ceee9a4b0dd547ffd759317b54cd5908129a9786c724a696bd"
+content-hash = "d06b2a1ccbc8c661df8bc425ccab27516a6dfea1b550976d1338292b47ce8f83"

pyproject.toml

@@ -91,6 +91,8 @@ django-tables2 = "^2.5.3"
 django-filter = "^23.2"
 tablib = "^3.4.0"
 django-location-field = "^2.7.0"
+pydantic = "^2.0.2"
+channels-redis = "^4.1.0"
 
 
 [build-system]