def single_slug(request, single_slug):categories = [c.category_slug for c in TutorialCategory.objects.all()]if single_slug in categories:matching_series = TutorialSeries.objects.filter(tutorial_category__category_slug=single_slug)series_urls = {}for m in matching_series.all():part_one = Tutorial.objects.filter(tutorial_series__tutorial_series=m.tutorial_series).earliest('tutorial_published')series_urls[m] = part_one.tutorial_slugreturn render(request=request,template_name='main/category.html',context={'tutorial_series':matching_series, 'part_ones': series_urls})tutorials = [t.tutorial_slug for t in Tutorial.objects.all()]if single_slug in tutorials:this_tutorial = Tutorial.objects.get(tutorial_slug=single_slug)tutorials_from_series = Tutorial.objects.filter(tutorial_series__tutorial_series=this_tutorial.tutorial_series).order_by('tutorial_published')this_tutorial_idx = list(tutorials_from_series).index(this_tutorial)return render(request=request,template_name='main/tutorial.html',context={'tutorial':this_tutorial, 'sidebar':tutorials_from_series, 'this_tut_idx':this_tutorial_idx})

{% extends 'main/header.html' %}{% block content %}
<div class="row"><div class="col s12, m8, l8"><h3>{{tutorial.tutorial_title}}</h3><p style="font-size: 70%">Published {{tutorial.tutorial_published}}</p>{{tutorial.tutorial_content|safe}}</div><div class="col s12 m4 l4"><ul class="collapsible popout">{% for tutorial in sidebar %}{% if forloop.counter0 == this_tut_idx %}<li class="active"><div class="collapsible-header" style="background-color: #008E72; color: white;">{{tutorial.tutorial_title}}<br>(currently viewing)</div></li>{% else %}<li><div class="collapsible-header">{{tutorial.tutorial_title}}</div><div class="collapsible-body"><p><a href="/{{tutorial.tutorial_slug}}"><button class="btn waves-effect waves-light right-align" style="background-color:green-light; color:white">Go</button></a></p></div></li>{% endif %}{% endfor %}</ul></div>
</div>{% endblock %}