clean-up list system a bit (still some fixes left); work on design (cover, lists rendering)

This commit is contained in:
bkfox
2017-06-18 03:58:09 +02:00
parent e3851e39cb
commit cd3fc3a148
14 changed files with 510 additions and 410 deletions

View File

@ -167,7 +167,7 @@ class RelatedLinkBase(Orderable):
}
class ListBase(models.Model):
class BaseList(models.Model):
"""
Generic list
"""
@ -175,37 +175,24 @@ class ListBase(models.Model):
none = 0x00
previous = 0x01
next = 0x02
before_related = 0x03,
after_related = 0x04,
before_related = 0x03
after_related = 0x04
date_filter = models.SmallIntegerField(
verbose_name = _('filter by date'),
choices = [ (int(y), _(x.replace('_', ' ')))
for x,y in DateFilter.__members__.items() ],
blank = True, null = True,
)
model = models.ForeignKey(
ContentType,
verbose_name = _('filter by type'),
blank = True, null = True,
on_delete=models.SET_NULL,
help_text = _('if set, select only elements that are of this type'),
limit_choices_to = related_pages_filter,
)
related = models.ForeignKey(
Page,
verbose_name = _('filter by a related page'),
blank = True, null = True,
on_delete=models.SET_NULL,
help_text = _('if set, select children or siblings related to this page'),
)
siblings = models.BooleanField(
verbose_name = _('select siblings of related'),
class RelationFilter(IntEnum):
none = 0x00
subpages = 0x01
siblings = 0x02
# rendering
use_focus = models.BooleanField(
_('focus available'),
default = False,
help_text = _(
'if checked, related publications are siblings instead of '
'the children.'
),
help_text = _('if true, highlight the first focused article found')
)
count = models.SmallIntegerField(
_('count'),
default = 30,
help_text = _('number of items to display in the list'),
)
asc = models.BooleanField(
verbose_name = _('ascending order'),
@ -213,27 +200,87 @@ class ListBase(models.Model):
help_text = _('if selected sort list in the ascending order by date')
)
class Meta:
abstract = True
# selectors
date_filter = models.SmallIntegerField(
verbose_name = _('filter on date'),
choices = [ (int(y), _(x.replace('_', ' ')))
for x,y in DateFilter.__members__.items() ],
blank = True, null = True,
help_text = _(
'select pages whose date follows the given constraint'
)
)
model = models.ForeignKey(
ContentType,
verbose_name = _('filter on page type'),
blank = True, null = True,
on_delete=models.SET_NULL,
help_text = _('if set, select only elements that are of this type'),
limit_choices_to = related_pages_filter,
)
related = models.ForeignKey(
Page,
verbose_name = _('related page'),
blank = True, null = True,
on_delete=models.SET_NULL,
help_text = _(
'if set, select children or siblings of this page'
),
related_name = '+'
)
relation = models.BooleanField(
verbose_name = _('relation'),
choices = [ (int(y), _(x.replace('_', ' ')))
for x,y in RelationFilter.__members__.items() ],
default = 1,
help_text = _(
'when the list is related to a page, only select pages that '
'correspond to this relationship'
),
)
search = models.CharField(
verbose_name = _('filter on search'),
blank = True, null = True,
max_length = 128,
help_text = _(
'keep only pages that matches the given search'
)
)
tags = models.CharField(
verbose_name = _('filter on tag'),
blank = True, null = True,
max_length = 128,
help_text = _(
'keep only pages with the given tags (separated by a colon)'
)
)
panels = [
MultiFieldPanel([
FieldPanel('model'),
PageChooserPanel('related'),
FieldPanel('siblings'),
], heading=_('filters')),
FieldPanel('count'),
FieldPanel('use_focus'),
FieldPanel('asc'),
], heading=_('rendering')),
MultiFieldPanel([
FieldPanel('date_filter'),
FieldPanel('asc'),
], heading=_('sorting'))
FieldPanel('model'),
PageChooserPanel('related'),
FieldPanel('relation'),
FieldPanel('search'),
FieldPanel('tags'),
], heading=_('filters'))
]
class Meta:
abstract = True
def __get_related(self, qs):
related = self.related and self.related.specific
if self.siblings:
if self.relation == self.RelationFilter.siblings:
qs = qs.sibling_of(related)
else:
# elif self.relation == RelatedFilter.subpages:
qs = qs.descendant_of(related)
date = related.date if hasattr(related, 'date') else \
@ -250,7 +297,6 @@ class ListBase(models.Model):
reusable by other classes if needed.
"""
from aircox_cms.models import Publication
# model
if self.model:
qs = self.model.model_class().objects.all()
@ -262,7 +308,7 @@ class ListBase(models.Model):
if self.related:
qs = self.__get_related(qs)
# date
# date_filter
date = tz.now()
if self.date_filter == self.DateFilter.previous:
qs = qs.filter(date__lt = date)
@ -270,77 +316,138 @@ class ListBase(models.Model):
qs = qs.filter(date__gte = date)
# sort
if self.asc:
return qs.order_by('date', 'pk')
return qs.order_by('-date', '-pk')
qs = qs.order_by('date', 'pk') \
if self.asc else qs.order_by('-date', '-pk')
def to_url(self, list_page = None, **kwargs):
# tags
if self.tags:
qs = qs.filter(tags__name__in = ','.split(self.tags))
# search
if self.search:
# this qs.search does not return a queryset
qs = qs.search(self.search)
return qs
def get_context(self, request, qs = None, paginate = True):
"""
Return a url parameters from self. Extra named parameters are used
to override values of self or add some to the parameters.
Return a context object using the given request and arguments.
@param paginate: paginate and include paginator into context
If there is related field use it to get the page, otherwise use the
given list_page or the first DynamicListPage it finds.
Context arguments:
- object_list: queryset of the list's objects
- paginator: [if paginate] paginator object for this list
- list_url_args: GET arguments of the url as string
! Note: BaseList does not inherit from Wagtail.Page, and calling
this method won't call other super() get_context.
"""
import aircox_cms.models as models
qs = qs or self.get_queryset()
paginator = None
context = {}
if qs.count():
if paginate:
context.update(self.paginate(request, qs))
else:
context['object_list'] = qs[:self.count]
else:
# keep empty queryset
context['object_list'] = qs
context['list_url_args'] = self.to_url(full_url = False)
#context['list_selector'] = {
# attr: getattr(self, attr) for attr in (
# 'asc', 'date_filter', 'model', 'related', 'relation',
# 'tags', 'search',
# )
#}
return context
def paginate(self, request, qs):
# paginator
paginator = Paginator(qs, self.count)
try:
qs = paginator.page(request.GET.get('page') or 1)
except PageNotAnInteger:
qs = paginator.page(1)
except EmptyPage:
qs = paginator.page(paginator.num_pages)
return {
'paginator': paginator,
'object_list': qs
}
def to_url(self, page = None, full_url = True, **kwargs):
"""
Return a url to a given page with GET corresponding to this
list's parameters.
@param page: if given use it to prepend url with page's url instead of giving only
GET parameters
@param **kwargs: override list parameters
If there is related field use it to get the page, otherwise use
the given list_page or the first BaseListPage it finds.
"""
params = {
'view': 'list',
'asc': self.asc,
'date_filter': self.get_date_filter_display(),
'model': self.model and self.model.model,
'asc': self.asc,
'related': self.related,
'siblings': self.siblings,
'relation': self.get_relation_display(),
'search': self.search,
'tags': self.tags
}
params.update(kwargs)
page = params.get('related') or list_page or \
models.DynamicListPage.objects.all().first()
if params.get('related'):
params['related'] = True
params = '&'.join([
key if value == True else '{}={}'.format(key, value)
for key, value in params.items()
if value
for key, value in params.items() if value
])
if not full_url:
return params
page = page or self.page
if not page:
raise ValueError(
"full_url = True requires either list.related or "
"method's argument `page` to be given"
)
return page.url + '?' + params
@classmethod
def from_request(cl, request, related = None, context = None,
*args, **kwargs):
def from_request(cl, request, related = None):
"""
Return a queryset from the request's GET parameters. Context
can be used to update relative informations.
Return a context from the request's GET parameters. Context
can be used to update relative informations, more information
on this object from BaseList.get_context()
@param request: get params from this request
@param related: reference page for a related list
@return context object from BaseList.get_context()
This function can be used by other views if needed
Parameters:
* asc: if present, sort ascending instead of descending
* date_filter: one of DateFilter attribute's key.
* model: ['program','diffusion','event'] type of the publication
* asc: if present, sort ascending instead of descending
* related: children of the thread passed in arguments only
* siblings: sibling of the related instead of children
* relation: one of RelationFilter attribute's key
* related: list is related to the method's argument `related`
* tag: tag to search for
* search: query to search in the publications
* page: page number
Context's fields:
* object_list: the final queryset
* list_selector: dict of { 'tag_query', 'search_query' } plus
arguments passed to ListBase.get_base_queryset
* paginator: paginator object
"""
def set(key, value):
if context is not None:
context[key] = value
# FIXME: page argument to select a page
# FIXME: related
date_filter = request.GET.get('date_filter')
model = request.GET.get('model')
relation = request.GET.get('relation')
kwargs = {
'asc': 'asc' in request.GET,
'date_filter':
int(getattr(cl.DateFilter, date_filter))
if date_filter and hasattr(cl.DateFilter, date_filter)
@ -350,42 +457,21 @@ class ListBase(models.Model):
DiffusionPage if model == 'diffusion' else
EventPage if model == 'event' else None,
'related': 'related' in request.GET and related,
'siblings': 'siblings' in request.GET,
'asc': 'asc' in request.GET,
'relation':
int(getattr(cl.RelationFilter, relation))
if relation and hasattr(cl.RelationFilter, relation)
else None,
'tags': request.GET.get('tags'),
'search': request.GET.get('search'),
}
base_list = cl(**{ k:v for k,v in kwargs.items() if v })
qs = base_list.get_queryset()
# filter by tag
tag = request.GET.get('tag')
if tag:
kwargs['terms'] = tag
qs = qs.filter(tags__name = tag)
# search
search = request.GET.get('search')
if search:
kwargs['terms'] = search
qs = qs.search(search)
set('list_selector', kwargs)
# paginator
if qs:
paginator = Paginator(qs, 30)
try:
qs = paginator.page(request.GET.get('page') or 1)
except PageNotAnInteger:
qs = paginator.page(1)
except EmptyPage:
qs = parginator.page(paginator.num_pages)
set('paginator', paginator)
set('object_list', qs)
return qs
base_list = cl(
count = 30, **{ k:v for k,v in kwargs.items() if v }
)
return base_list.get_context(request)
class DatedListBase(models.Model):
class DatedBaseList(models.Model):
"""
List that display items per days. Renders a navigation section on the
top.
@ -794,70 +880,47 @@ class SectionLink(RelatedLinkBase,TemplateMixin):
@register_snippet
class SectionList(ListBase, SectionRelativeItem):
class SectionList(BaseList, SectionRelativeItem):
"""
This one is quite badass, but needed: render a list of pages
using given parameters (cf. ListBase).
using given parameters (cf. BaseList).
If focus_available, the first article in the list will be the last
article with a focus, and will be rendered in a bigger size.
"""
focus_available = models.BooleanField(
_('focus available'),
default = False,
help_text = _('if true, highlight the first focused article found')
)
count = models.SmallIntegerField(
_('count'),
default = 5,
help_text = _('number of items to display in the list'),
)
# TODO/FIXME: focus, quid?
# TODO: logs in menu show headline???
url_text = models.CharField(
_('text of the url'),
max_length=32,
blank = True, null = True,
help_text = _('use this text to display an URL to the complete '
'list. If empty, does not print an address'),
'list. If empty, no link is displayed'),
)
panels = SectionRelativeItem.panels + [
MultiFieldPanel([
FieldPanel('focus_available'),
FieldPanel('count'),
FieldPanel('url_text'),
], heading=_('Rendering')),
] + ListBase.panels
] + BaseList.panels
def get_context(self, request, page):
from aircox_cms.models import Publication
context = super().get_context(request, page)
import aircox_cms.models as cms
if self.is_related:
self.related = page
qs = self.get_queryset()
qs = qs.live()
if self.focus_available:
focus = qs.type(Publication).filter(focus = True).first()
if focus:
focus.css_class = 'focus'
qs = qs.exclude(pk = focus.pk)
else:
focus = None
if not qs.count():
context = BaseList.get_context(self, request, paginate = False)
if not context['object_list'].count():
return { 'hide': True }
pages = qs[:self.count - (focus != None)]
context['focus'] = focus
context['object_list'] = pages
context.update(SectionRelativeItem.get_context(self, request, page))
if self.url_text:
context['url'] = self.to_url(
list_page = self.is_related and page
)
if not self.is_related or not page:
settings = cms.WebsiteSettings.for_site(request.site)
page = settings.list_page
context['url'] = self.to_url(page = page) + '&view=list'
return context
SectionList._meta.get_field('count').default = 5
@register_snippet
class SectionLogsList(SectionItem):
@ -915,7 +978,7 @@ class SectionLogsList(SectionItem):
@register_snippet
class SectionTimetable(SectionItem,DatedListBase):
class SectionTimetable(SectionItem,DatedBaseList):
class Meta:
verbose_name = _('Section: Timetable')
verbose_name_plural = _('Sections: Timetable')
@ -937,8 +1000,8 @@ class SectionTimetable(SectionItem,DatedListBase):
help_text = _('if checked, navigation dates will be shown')
)
# TODO: put in multi-field panel of datedlistbase
panels = SectionItem.panels + DatedListBase.panels + [
# TODO: put in multi-field panel of DatedBaseList
panels = SectionItem.panels + DatedBaseList.panels + [
MultiFieldPanel([
FieldPanel('nav_visible'),
FieldPanel('target'),
@ -987,12 +1050,6 @@ class SectionSearchField(SectionItem):
FieldPanel('default_text'),
]
def get_context(self, request, page):
# FIXME ?????
from aircox_cms.models import DynamicListPage
context = super().get_context(request, page)
return context
@register_snippet
class SectionPlayer(SectionItem):