Untitled

1)
pip install django
2)
django-admin startproject music_streaming_service
cd music_streaming_service
3)python manage.py startapp musicapp
4)
from django.db import models
from django.contrib.auth.models import User

class Artist(models.Model):
    name = models.CharField(max_length=100)

    def __str__(self):
        return self.name

class Album(models.Model):
    title = models.CharField(max_length=100)
    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)

    def __str__(self):
        return self.title

class Genre(models.Model):
    name = models.CharField(max_length=50)

    def __str__(self):
        return self.name

class Track(models.Model):
    title = models.CharField(max_length=100)
    file = models.FileField(upload_to='tracks/')
    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
    album = models.ForeignKey(Album, on_delete=models.CASCADE, null=True, blank=True)
    genre = models.ManyToManyField(Genre)
    uploaded_by = models.ForeignKey(User, on_delete=models.CASCADE)

    def __str__(self):
        return self.title

class Playlist(models.Model):
    name = models.CharField(max_length=100)
    user = models.ForeignKey(User, on_delete=models.CASCADE)
    tracks = models.ManyToManyField(Track)

    def __str__(self):
        return self.name
5)INSTALLED_APPS = [
    # ...
    'musicapp',
]
6)
from django import forms
from .models import Track, Playlist

class TrackUploadForm(forms.ModelForm):
    class Meta:
        model = Track
        fields = ['title', 'file', 'artist', 'album', 'genre']

class PlaylistForm(forms.ModelForm):
    class Meta:
        model = Playlist
        fields = ['name', 'tracks']
        widgets = {
            'tracks': forms.CheckboxSelectMultiple(),
        }

7)from django.shortcuts import render, redirect
from django.contrib.auth.decorators import login_required
from .models import Track, Playlist
from .forms import TrackUploadForm, PlaylistForm
from django.db.models import Q

def home(request):
    tracks = Track.objects.all()
    query = request.GET.get('q')
    if query:
        tracks = tracks.filter(
            Q(title__icontains=query) |
            Q(artist__name__icontains=query) |
            Q(album__title__icontains=query) |
            Q(genre__name__icontains=query)
        ).distinct()
    return render(request, 'musicapp/home.html', {'tracks': tracks})

@login_required
def upload_track(request):
    if request.method == 'POST':
        form = TrackUploadForm(request.POST, request.FILES)
        if form.is_valid():
            track = form.save(commit=False)
            track.uploaded_by = request.user
            track.save()
            form.save_m2m()
            return redirect('home')
    else:
        form = TrackUploadForm()
    return render(request, 'musicapp/upload_track.html', {'form': form})

@login_required
def create_playlist(request):
    if request.method == 'POST':
        form = PlaylistForm(request.POST)
        if form.is_valid():
            playlist = form.save(commit=False)
            playlist.user = request.user
            playlist.save()
            form.save_m2m()
            return redirect('my_playlists')
    else:
        form = PlaylistForm()
    return render(request, 'musicapp/create_playlist.html', {'form': form})

@login_required
def my_playlists(request):
    playlists = Playlist.objects.filter(user=request.user)
    return render(request, 'musicapp/my_playlists.html', {'playlists': playlists})

def play_track(request, track_id):
    track = Track.objects.get(id=track_id)
    return render(request, 'musicapp/play_track.html', {'track': track})

8.1)from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('musicapp.urls')),
]

9)
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Музыкальный Стриминг Сервис</title>
</head>
<body>
    <header>
        <h1><a href="{% url 'home' %}">Музыкальный Стриминг Сервис</a></h1>
        {% if user.is_authenticated %}
            <p>Привет, {{ user.username }} | <a href="{% url 'logout' %}">Выйти</a></p>
        {% else %}
            <p><a href="{% url 'login' %}">Войти</a> | <a href="{% url 'signup' %}">Регистрация</a></p>
        {% endif %}
        <nav>
            <a href="{% url 'upload_track' %}">Загрузить Трек</a> |
            <a href="{% url 'my_playlists' %}">Мои Плейлисты</a>
        </nav>
        <form method="get" action="{% url 'home' %}">
            <input type="text" name="q" placeholder="Поиск...">
            <button type="submit">Поиск</button>
        </form>
    </header>
    <hr>
    {% block content %}
    {% endblock %}
</body>
</html>
9.1)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Все Треки</h2>
<ul>
    {% for track in tracks %}
    <li>
        <a href="{% url 'play_track' track.id %}">{{ track.title }}</a> - {{ track.artist.name }}
    </li>
    {% empty %}
    <li>Нет доступных треков.</li>
    {% endfor %}
</ul>
{% endblock %}
9.2)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Загрузить Трек</h2>
<form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Загрузить</button>
</form>
{% endblock %}
9.3)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Загрузить Трек</h2>
<form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Загрузить</button>
</form>
{% endblock %}
9.4)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>{{ track.title }} - {{ track.artist.name }}</h2>
<audio controls>
    <source src="{{ track.file.url }}" type="audio/mpeg">
    Ваш браузер не поддерживает аудио.
</audio>
{% endblock %}

9.5)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Создать Плейлист</h2>
<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Создать</button>
</form>
{% endblock %}
9.6)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Мои Плейлисты</h2>
<ul>
    {% for playlist in playlists %}
    <li>{{ playlist.name }}</li>
    {% empty %}
    <li>У вас нет плейлистов.</li>
    {% endfor %}
</ul>
{% endblock %}

10.1)
from django.contrib import admin
from django.urls import path, include
from django.contrib.auth import views as auth_views
from musicapp import views as music_views

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('musicapp.urls')),
    path('login/', auth_views.LoginView.as_view(template_name='musicapp/login.html'), name='login'),
    path('logout/', auth_views.LogoutView.as_view(template_name='musicapp/logout.html'), name='logout'),
    path('signup/', music_views.signup, name='signup'),
]
10.2)
from django.contrib.auth import login, authenticate
from django.contrib.auth.forms import UserCreationForm

def signup(request):
    if request.method == 'POST':
        form = UserCreationForm(request.POST)
        if form.is_valid():
            user = form.save()
            login(request, user)
            return redirect('home')
    else:
        form = UserCreationForm()
    return render(request, 'musicapp/signup.html', {'form': form})

10.3)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Войти</h2>
<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Войти</button>
</form>
{% endblock %}

10.4)
{% extends 'musicapp/base.html' %}

{% block content %}
<h2>Регистрация</h2>
<form method="post">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Зарегистрироваться</button>
</form>
{% endblock %}

10.5)
{% extends 'musicapp/base.html' %}

{% block content %}
<p>Вы вышли из системы.</p>
{% endblock %}
11.1)
import os

MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
11.2)
from django.conf import settings
from django.conf.urls.static import static

urlpatterns = [
    # ... ваши URL-маршруты
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
11.3)
python manage.py runserver