aircox/cms/views.py

253 lines
7.8 KiB
Python

from django.templatetags.static import static
from django.template.loader import render_to_string
from django.views.generic import ListView, DetailView
from django.views.generic.base import View, TemplateView
from django.utils.translation import ugettext as _, ugettext_lazy
from django.contrib import messages
from django.http import Http404
from aircox.cms.actions import Actions
import aircox.cms.sections as sections
sections_ = sections # used for name clashes
class BaseView:
"""
Render a page using given sections.
If sections is a list of sections, then render like a detail view;
If it is a single section, render it as website.html view;
# Request GET params:
* embed: view is embedded, render only the content of the view
"""
template_name = ''
"""it is set to "aircox/cms/detail.html" to render multiple sections"""
sections = None
"""sections used to render the page"""
website = None
"""website that uses the view"""
menus = None
"""menus used to render the view page"""
title = ''
"""title of the page (used in <title> tags and page <h1>)"""
attrs = '' # attr for the HTML element of the content
"""attributes to set in the HTML element containing the view"""
css_class = '' # css classes for the HTML element of the content
"""css classes used for the HTML element containing the view"""
def __init__(self, sections = None, *args, **kwargs):
if hasattr(sections, '__iter__'):
self.sections = sections_.Sections(sections)
else:
self.sections = sections
super().__init__(*args, **kwargs)
def __section_is_single(self):
return not issubclass(type(self.sections), list)
def add_css_class(self, css_class):
"""
Add the given class to the current class list if not yet present.
"""
if self.css_class:
if css_class not in self.css_class.split(' '):
self.css_class += ' ' + css_class
else:
self.css_class = css_class
def get_context_data(self, **kwargs):
"""
Return a context with all attributes of this classe plus 'view' set
to self.
"""
context = {}
# update from sections
if self.sections:
if self.__section_is_single():
self.template_name = self.sections.template_name
context.update(self.sections.get_context_data(
self.request,
object_list = hasattr(self, 'object_list') and \
self.object_list,
**self.kwargs
) or {})
else:
if not self.template_name:
self.template_name = 'aircox/cms/detail.html'
context.update({
'content': self.sections.render(self.request, **kwargs)
})
context.update(super().get_context_data(**kwargs))
# then from me
context.update({
'website': self.website,
'view': self,
'title': self.title,
'tag': 'main',
'attrs': self.attrs,
'css_class': self.css_class,
})
if 'embed' not in self.request.GET:
if not kwargs.get('object'):
kwargs['object'] = self.object if hasattr(self, 'object') \
else None
if self.menus:
context['menus'] = {
k: v.render(self.request, **kwargs)
for k, v in self.menus.items()
if v is not self
}
context['actions'] = Actions.register_code()
context['embed'] = False
else:
context['embed'] = True
return context
class PostListView(BaseView, ListView):
"""
List view for posts and children.
If list is given:
- use list's template and css_class
- use list's context as base context
Note that we never use list.get_object_list, but instead use
route.get_queryset or self.model.objects.all()
Request.GET params:
* exclude: exclude item of the given id
* order: 'desc' or 'asc'
* page: page number
"""
template_name = 'aircox/cms/list.html'
allow_empty = True
paginate_by = 30
model = None
route = None
"""route used to render this list"""
@property
def list(self):
"""list section to use to render the list and get base context.
By default it is sections.List"""
return self.sections
@list.setter
def list(self, value):
self.sections = value
def dispatch(self, request, *args, **kwargs):
self.route = self.kwargs.get('route') or self.route
return super().dispatch(request, *args, **kwargs)
def get_queryset(self):
if self.route:
qs = self.route.get_queryset(self.model, self.request,
**self.kwargs)
else:
qs = self.queryset or self.model.objects.all()
qs = qs.filter(published = True)
query = self.request.GET
if query.get('exclude'):
qs = qs.exclude(id = int(query['exclude']))
if query.get('order') == 'desc':
qs = qs.order_by('-date', '-id')
else:
qs = qs.order_by('date', 'id')
return qs
def prepare_list(self):
if not self.list:
self.list = sections.List(
truncate = 32,
paginate_by = 0,
)
else:
self.list = self.list(paginate_by = 0)
self.template_name = self.list.template_name
self.css_class = self.list.css_class
if self.request.GET.get('fields'):
self.list.fields = [
field for field in self.request.GET.getlist('fields')
if field in self.list.fields
]
# done in list
# Actions.make(self.request, object_list = self.object_list)
def get_context_data(self, **kwargs):
self.prepare_list()
self.add_css_class('list')
context = super().get_context_data(**kwargs)
if self.route and not context.get('title'):
context['title'] = self.route.get_title(
self.model, self.request, **self.kwargs
)
context['list'] = self.list
return context
class PostDetailView(BaseView, DetailView):
"""
Detail view for posts and children
"""
comments = None
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.add_css_class('detail')
def get_queryset(self):
if self.model:
return super().get_queryset().filter(published = True)
return []
def get_object(self, **kwargs):
if self.model:
object = super().get_object(**kwargs)
if object.published:
return object
return None
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
if not context.get('title'):
context['title'] = self.object.title
return context
def post(self, request, *args, **kwargs):
"""
Handle new comments
"""
if not self.comments:
for section in self.sections:
if issubclass(type(section), sections.Comments):
self.comments = section
self.object = self.get_object()
self.comments.post(self, request, self.object)
return self.get(request, *args, **kwargs)
class PageView(BaseView, TemplateView):
"""
Render a page using given sections.
If sections is a list of sections, then render like a detail view;
If it is a single section, render it as website.html view;
"""