Django CRUD example

crud_examples.py

# urls.py


urlpatterns += patterns('',
  url(r'^platform$', views.platform_list, name='platform_list'),
  url(r'^platform/new$', views.platform_create, name='platform_new'),
  url(r'^platform/edit/(?P<pk>\d+)$', views.platform_update, name='platform_edit'),
  url(r'^platform/delete/(?P<pk>\d+)$', views.platform_delete, name='platform_delete'),
)


# views.py

@logged_in
def platform_list(request, template_name='platforms/platform_list.html'):
    platforms = Platform.objects.all()
    data = {}
    data['object_list'] = platforms
    return render(request, template_name, data)

@logged_in
def platform_create(request, template_name='platforms/platform_form.html'):
    if request.method == 'POST':
        form = PlatformForm(request.POST, request.FILES)
        if form.is_valid():
            form.save()
            return redirect('platform_list')
    else:
        form = PlatformForm(None)
    return render(request, template_name, {'form':form})

@logged_in
def platform_update(request, pk, template_name='platforms/platform_form.html'):
    platform = get_object_or_404(Platform, pk=pk)
    if request.method == 'POST':
        form = PlatformForm(request.POST, request.FILES, instance=platform)
        if form.is_valid():
            form.save()
            return redirect('platform_list')
    else:
        form = PlatformForm(None, instance=platform)
    return render(request, template_name, {'form':form})

@logged_in
def platform_delete(request, pk, template_name='platforms/platform_delete.html'):
    platform = get_object_or_404(Platform, pk=pk)
    if request.method=='POST':
        platform.delete()
        return redirect('platform_list')
    return render(request, template_name, {'object':platform})


# forms

class PlatformForm(forms.ModelForm):
    class Meta:
        model = Platform

# platforms/platform_form.html

{% extends 'userbase.html' %}

{% block innercontent %}
<h1>Platform</h1>
<form method="post" enctype="multipart/form-data">
    <table>
        {{ form.as_table }}
    </table>
    <input type="submit" value="Submit" class="button save-button" />
</form>

{% endblock %}


# platforms/platform_delete.html

{% extends 'userbase.html' %}

{% block innercontent %}
<h1>Platform</h1>
<form method="post">
    Are you sure you want to delete "{{ object }}" ?
    <input type="submit" value="Submit" class="button delete-button" />
</form>
{% endblock %}

# platforms/platform_list.html

{% extends 'userbase.html' %}

{% block innercontent %}
<h1>Platforms</h1>
<a href="{% url "platform_new" %}" class="button new-button">New</a>
<table class="list">
    <tr>
        <td>
            Icon
        </td>
        <td>
            Platform Name
        </td>
        <td>
            Number of games
        </td>
        <td>

        </td>
    </tr>
{% for platform in object_list %}
    <tr>
        <td>
            <img src="{{ platform.get_icon }}" height="60" width="40">
        </td>
        <td>
            <a href="{% url "platform_edit" platform.id %}">
                {{ platform.name }}
            </a>
        </td>
        <td>
            {{ platform.get_no_games }}
        </td>
        <td>
            <a href="{% url "platform_delete" platform.id %}" class="button delete-button">Delete</a>
        </td>
    </tr>
{% endfor %}
</table>
{% endblock %}