РЕАЛЬНО РАБОЧИЙ ПРОЕКТ models py class City models Model city models C

################## РЕАЛЬНО РАБОЧИЙ ПРОЕКТ ##############
# models.py

class City (models.Model):
    city = models.CharField(max_length = 50, verbose_name = "Город")
    slug = models.SlugField(max_length = 50)
    created = models.DateTimeField(editable=False, auto_now_add=True)

    def __unicode__(self):
        return self.city
    def get_absolute_url(self):
        return '/city/%s/' % self.slug

    def get_companyes(self):
        current_city = City.objects.get(id = self.id)
        city_companies_count = len([company for company in self.contacts_set.all()])
        return city_companies_count

    def get_name (self):
        return self.name


#vievs.py
my_company_dict = {'all_company' : Company.objects.all(),
                    'all_services' : Service.objects.all(),
                    'all_city' : City.objects.all(),
                    'last_add_company' : Company.objects.order_by('-created')[:3],}

def all_city_company (request, slug):
    """ 
    Выводит все компании из одного города, все виды деятельности, кол-во компаний в городе
    """

    if request.method == 'POST':
        login(request)
    user = ''
    if request.user.is_authenticated():
        user = request.user.username
    current_city = City.objects.get(slug = slug) # Текущий город
    current_city_addresses = current_city.contacts_set.all() # Все адреса с этим городом
    company_city_list = []

    for contacts in current_city_addresses:
        current_company = contacts.company
        company_city_list.append(current_company)

    paginator = Paginator(company_city_list, 2)
    try:
        page = int(request.GET.get('page', '1'))
    except ValueError:
        page = 1
    try:
        pages_company = paginator.page(page)
    except (EmptyPage, InvalidPage):
        pages_company = paginator.page(paginator.num_pages)

    my_dict = {'current_city' : current_city,
                'pages_company' : pages_company,
                'user':user,
                }

    my_company_dict.update(my_dict)
    return render_to_response('company/company_city.html', my_company_dict,)


#template

<p>{% for service in all_services %}
 <a href="{{ service.get_absolute_url }}">{{ service.name }} ({{ service.get_companyes }})</a>,
{% endfor %}


################## МОЙ РЕАЛЬНО НЕРАБОТАЮЩИЙ ПРОЕКТ ##############

#models.py

class Catalog(models.Model):
    catalog_name = models.CharField(max_length = 50, verbose_name="Имя каталога")
    catalog_slug = models.SlugField(max_length=50, verbose_name="Служебное поле")
    subcatalog = models.ManyToManyField(Subcatalog, null=True, verbose_name="Подкаталоги", blank=True)
    class Meta:
        verbose_name_plural = "Каталоги"
        verbose_name = "каталог"
    def __unicode__(self):
        return self.catalog_name
    def get_absolute_url(self):

        return "/catalog/" % self.slug

#vievs.py
@render_to('index.html')
def index(request):
    return {'catalogs': Catalog.objects.all(),
           'top': Product.objects.filter(in_top=True),
           'user':request.user,}

index.html
{% block left %}
<ul>
{% for service in catalogs %}
    <li><a href="{{ service.get_absolute_url }}">{{service.catalog_name}}</a></li>
    {% ifequal i.catalog_name catalog_url %}
        <ul>
        {% for q in subcatalog_urls %}
            <li><a href="/catalog/{{i.catalog_name}}/{{q.subcatalog_name}}">{{q.subcatalog_name}}</a></li>
        {%endfor%}
        </ul>
        {% endifequal %}

{%endfor%}
</ul>
{% endblock %}