Views.py File
def index(request):
allProds = []
catprods = Allmusic.objects.values('category', 'sno')
cats = {item['category'] for item in catprods}
for cat in cats:
prod = Allmusic.objects.filter(category=cat)
n = len(prod)
nSlides = n // 4 + ceil((n / 4) - (n // 4))
allProds.append([prod, range(1, nSlides), nSlides])
params = {'allProds':allProds}
return render(request,'index.html',params)
HTML File
<div class="container">
<!--Slideshow starts here -->
{% for product, range, nSlides in allProds %}
<h5 class="my-4"><h2 id="headcat1">{{product.0.category}}<h2></h5>
<div class="row">
<div id="demo{{forloop.counter}}" class="col carousel slide my-3" data-ride="carousel">
<ul class="carousel-indicators">
<li data-target="#demo{{forloop.counter}}" data-slide-to="0" class="active"></li>
{% for i in range %}
<li data-target="#demo{{forloop.parentloop.counter}}" data-slide-to="{{i}}"></li>
{% endfor %}
</ul>
<div class="container carousel-inner no-padding">
<div class="carousel-item active">
{% for i in product %}
<div class="col-xs-3 col-sm-3 col-md-3">
<div class="card" style="width: 18rem;">
<img src='/media/{{i.image}}' class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title" id="namepr{{i.id}}"><b>{{i.name}}<b></h5>
<span id="divpr{{i.id}}" class="divpr">
{% if user.is_authenticated %}
<form action="/index/history" method="POST">
{% csrf_token %}
<input type="hidden" name="music_id" value="{{i.sno}}">
<a href="/index/subpage/{{i.sno}}" class="btn btn-primary">Play Music</a>
</form>
{% endif %}
</span>
</div>
</div>
</div>
{% if forloop.counter|divisibleby:4 and forloop.counter > 0 and not forloop.last %}
</div>
<div class="carousel-item">
{% endif %}
{% endfor %}
</div>
</div>
</div>
<!-- left and right controls for the slide -->
<a class="carousel-control-prev" href="#demo{{forloop.counter}}" data-slide="prev">
<span class="carousel-control-prev-icon"></span>
</a>
<a class="carousel-control-next" href="#demo{{forloop.counter}}" data-slide="next">
<span class="carousel-control-next-icon"></span>
</a>
</div>
{% endfor %}
</div>
{% endblock body %}
