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Convert the document page view navigation views to CBV.

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Fix the document page transformation navigation bug.
This commit is contained in:
Roberto Rosario
2017-01-18 01:10:30 -04:00
parent 5acdfee6bd
commit 83149a09e7
3 changed files with 123 additions and 79 deletions
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174
mayan/apps/documents/views/document_page_views.py
View File

@@ -6,7 +6,6 @@ import urlparse
from django.conf import settings
from django.contrib import messages
from django.core.urlresolvers import resolve, reverse
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404
from django.utils.http import urlencode
from django.utils.translation import ugettext_lazy as _
@@ -51,6 +50,110 @@ class DocumentPageListView(SingleObjectListView):
}
class DocumentPageNavigationBase(RedirectView):
def dispatch(self, request, *args, **kwargs):
document_page = self.get_object()
AccessControlList.objects.check_access(
permissions=permission_document_view, user=request.user,
obj=document_page.document
)
return super(DocumentPageNavigationBase, self).dispatch(
request, *args, **kwargs
)
def get_object(self):
return get_object_or_404(DocumentPage, pk=self.kwargs['pk'])
def get_redirect_url(self, *args, **kwargs):
parse_result = urlparse.urlparse(
self.request.META.get(
'HTTP_REFERER', reverse(
settings.LOGIN_REDIRECT_URL
)
)
)
query_dict = urlparse.parse_qs(parse_result.query)
resolver_match = resolve(parse_result.path)
# Default is to stay on the same view
url = parse_result.path, query_dict
new_object = self.navigation_function()
# Inject new_object pk in the referer's view pk or object_id kwargs
if 'pk' in resolver_match.kwargs:
resolver_match.kwargs['pk'] = new_object.pk
url = reverse(
resolver_match.view_name, kwargs=resolver_match.kwargs
)
elif 'object_id' in resolver_match.kwargs:
resolver_match.kwargs['object_id'] = new_object.pk
url = reverse(
resolver_match.view_name, kwargs=resolver_match.kwargs
)
else:
messages.warning(
self.request, _(
'Unknown view keyword argument schema, unable to '
'redirect.'
)
)
return '{}?{}'.format(url, urlencode(query_dict))
class DocumentPageNavigationFirst(DocumentPageNavigationBase):
def navigation_function(self):
document_page = self.get_object()
return document_page.siblings.first()
class DocumentPageNavigationLast(DocumentPageNavigationBase):
def navigation_function(self):
document_page = self.get_object()
return document_page.siblings.last()
class DocumentPageNavigationNext(DocumentPageNavigationBase):
def navigation_function(self):
document_page = self.get_object()
try:
document_page = document_page.siblings.get(
page_number=document_page.page_number + 1
)
except DocumentPage.DoesNotExist:
messages.warning(
self.request, _('There are no more pages in this document')
)
finally:
return document_page
class DocumentPageNavigationPrevious(DocumentPageNavigationBase):
def navigation_function(self):
document_page = self.get_object()
try:
document_page = document_page.siblings.get(
page_number=document_page.page_number - 1
)
except DocumentPage.DoesNotExist:
messages.warning(
self.request, _(
'You are already at the first page of this document'
)
)
finally:
return document_page
class DocumentPageView(SimpleView):
template_name = 'appearance/generic_form.html'
@@ -98,70 +201,6 @@ class DocumentPageViewResetView(RedirectView):
pattern_name = 'documents:document_page_view'
def document_page_navigation_next(request, document_page_id):
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
AccessControlList.objects.check_access(
permissions=permission_document_view, user=request.user,
obj=document_page.document
)
view = resolve(urlparse.urlparse(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))).path).view_name
if document_page.page_number >= document_page.siblings.count():
messages.warning(request, _('There are no more pages in this document'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)))
else:
document_page = get_object_or_404(document_page.siblings, page_number=document_page.page_number + 1)
return HttpResponseRedirect('{0}?{1}'.format(reverse(view, args=(document_page.pk,)), request.GET.urlencode()))
def document_page_navigation_previous(request, document_page_id):
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
AccessControlList.objects.check_access(
permissions=permission_document_view, user=request.user,
obj=document_page.document
)
view = resolve(urlparse.urlparse(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))).path).view_name
if document_page.page_number <= 1:
messages.warning(request, _('You are already at the first page of this document'))
return HttpResponseRedirect(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL)))
else:
document_page = get_object_or_404(document_page.siblings, page_number=document_page.page_number - 1)
return HttpResponseRedirect('{0}?{1}'.format(reverse(view, args=(document_page.pk,)), request.GET.urlencode()))
def document_page_navigation_first(request, document_page_id):
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
document_page = get_object_or_404(document_page.siblings, page_number=1)
AccessControlList.objects.check_access(
permissions=permission_document_view, user=request.user,
obj=document_page.document
)
view = resolve(urlparse.urlparse(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))).path).view_name
return HttpResponseRedirect('{0}?{1}'.format(reverse(view, args=(document_page.pk,)), request.GET.urlencode()))
def document_page_navigation_last(request, document_page_id):
document_page = get_object_or_404(DocumentPage, pk=document_page_id)
document_page = get_object_or_404(document_page.siblings, page_number=document_page.siblings.count())
AccessControlList.objects.check_access(
permissions=permission_document_view, user=request.user,
obj=document_page.document
)
view = resolve(urlparse.urlparse(request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))).path).view_name
return HttpResponseRedirect('{0}?{1}'.format(reverse(view, args=(document_page.pk,)), request.GET.urlencode()))
class DocumentPageInteractiveTransformation(RedirectView):
def dispatch(self, request, *args, **kwargs):
object = self.get_object()
@@ -184,8 +223,9 @@ class DocumentPageInteractiveTransformation(RedirectView):
)
query_dict = {
'rotation': int(self.request.GET.get('rotation', DEFAULT_ROTATION)),
'zoom': int(self.request.GET.get('zoom', DEFAULT_ZOOM_LEVEL))
'rotation': int(
self.request.GET.get('rotation', DEFAULT_ROTATION)
), 'zoom': int(self.request.GET.get('zoom', DEFAULT_ZOOM_LEVEL))
}
self.transformation_function(query_dict)