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