Files
mayan-edms/mayan/apps/weblinks/views.py
Roberto Rosario 596b5ccf67 MVP of the weblinks app
Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>
2019-07-01 15:43:15 -04:00

234 lines
7.6 KiB
Python

from __future__ import absolute_import, unicode_literals
import logging
from django.db import transaction
from django.shortcuts import get_object_or_404
from django.template import RequestContext
from django.urls import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from django.views.generic import RedirectView
from mayan.apps.acls.models import AccessControlList
from mayan.apps.common.generics import (
AddRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
SingleObjectEditView, SingleObjectListView
)
from mayan.apps.common.mixins import ExternalObjectMixin
from mayan.apps.documents.events import event_document_type_edited
from mayan.apps.documents.models import Document, DocumentType
from mayan.apps.documents.permissions import permission_document_type_edit
from .events import event_web_link_edited
from .forms import WebLinkForm
from .icons import icon_web_link_setup
from .links import link_web_link_create
from .models import ResolvedWebLink, WebLink
from .permissions import (
permission_web_link_create, permission_web_link_delete,
permission_web_link_edit, permission_web_link_instance_view,
permission_web_link_view
)
logger = logging.getLogger(__name__)
class DocumentTypeWebLinksView(AddRemoveView):
main_object_method_add = 'web_link_add'
main_object_method_remove = 'web_link_remove'
main_object_permission = permission_document_type_edit
main_object_model = DocumentType
main_object_pk_url_kwarg = 'pk'
secondary_object_model = WebLink
secondary_object_permission = permission_web_link_edit
list_available_title = _('Available web links')
list_added_title = _('Web links enabled')
related_field = 'web_links'
def action_add(self, queryset, _user):
with transaction.atomic():
event_document_type_edited.commit(
actor=_user, target=self.main_object
)
for obj in queryset:
self.main_object.web_links.add(obj)
event_web_link_edited.commit(
actor=_user, action_object=self.main_object, target=obj
)
def action_remove(self, queryset, _user):
with transaction.atomic():
event_document_type_edited.commit(
actor=_user, target=self.main_object
)
for obj in queryset:
self.main_object.web_links.remove(obj)
event_web_link_edited.commit(
actor=_user, action_object=self.main_object, target=obj
)
def get_actions_extra_kwargs(self):
return {'_user': self.request.user}
def get_extra_context(self):
return {
'object': self.main_object,
'title': _(
'Web links to enable for document type: %s'
) % self.main_object,
}
class ResolvedWebLinkView(ExternalObjectMixin, RedirectView):
external_object_class = Document
external_object_pk_url_kwarg = 'document_pk'
external_object_permission = permission_web_link_instance_view
def get_redirect_url(self, *args, **kwargs):
return self.get_resolved_web_link().get_url_for(
document=self.external_object
)
def get_resolved_web_link(self):
return get_object_or_404(
klass=self.get_web_link_queryset(), pk=self.kwargs['web_link_pk']
)
def get_web_link_queryset(self):
return ResolvedWebLink.objects.get_for(
document=self.external_object, user=self.request.user
)
class SetupWebLinkDocumentTypesView(AddRemoveView):
main_object_method_add = 'document_types_add'
main_object_method_remove = 'document_types_remove'
main_object_permission = permission_web_link_edit
main_object_model = WebLink
main_object_pk_url_kwarg = 'pk'
secondary_object_model = DocumentType
secondary_object_permission = permission_document_type_edit
list_available_title = _('Available document types')
list_added_title = _('Document types enabled')
related_field = 'document_types'
def get_actions_extra_kwargs(self):
return {'_user': self.request.user}
def get_extra_context(self):
return {
'object': self.main_object,
'title': _(
'Document type for which to enable web link: %s'
) % self.main_object,
}
class WebLinkListView(SingleObjectListView):
object_permission = permission_web_link_view
def get_extra_context(self):
return {
'hide_link': True,
'hide_object': True,
'no_results_icon': icon_web_link_setup,
'no_results_main_link': link_web_link_create.resolve(
context=RequestContext(request=self.request)
),
'no_results_text': _(
'Web links allow generating links from documents to external '
'resources.'
),
'no_results_title': _(
'There are no web links'
),
'title': _('Web links'),
}
def get_source_queryset(self):
return self.get_web_link_queryset()
def get_web_link_queryset(self):
return WebLink.objects.all()
class DocumentWebLinkListView(WebLinkListView):
def dispatch(self, request, *args, **kwargs):
self.document = get_object_or_404(klass=Document, pk=self.kwargs['pk'])
AccessControlList.objects.check_access(
obj=self.document, permissions=(permission_web_link_instance_view,),
user=request.user
)
return super(
DocumentWebLinkListView, self
).dispatch(request, *args, **kwargs)
def get_extra_context(self):
return {
'document': self.document,
'hide_link': True,
'hide_object': True,
'no_results_icon': icon_web_link_setup,
#'no_results_text': _(
# 'Web links allow defining relationships between '
# 'documents even if they are in different indexes and '
# 'are of different types.'
#),
'no_results_title': _(
'There are no web links for this document'
),
'object': self.document,
'title': _('Web links for document: %s') % self.document,
}
def get_web_link_queryset(self):
return ResolvedWebLink.objects.get_for(
document=self.document, user=self.request.user
)
class WebLinkCreateView(SingleObjectCreateView):
extra_context = {'title': _('Create new web link')}
form_class = WebLinkForm
post_action_redirect = reverse_lazy(
viewname='weblinks:web_link_list'
)
view_permission = permission_web_link_create
def get_save_extra_data(self):
return {'_user': self.request.user}
class WebLinkDeleteView(SingleObjectDeleteView):
model = WebLink
object_permission = permission_web_link_delete
post_action_redirect = reverse_lazy(
viewname='weblinks:web_link_list'
)
def get_extra_context(self):
return {
'object': self.get_object(),
'title': _('Delete web link: %s') % self.get_object()
}
class WebLinkEditView(SingleObjectEditView):
form_class = WebLinkForm
model = WebLink
object_permission = permission_web_link_edit
post_action_redirect = reverse_lazy(
viewname='weblinks:web_link_list'
)
def get_extra_context(self):
return {
'object': self.get_object(),
'title': _('Edit web link: %s') % self.get_object()
}
def get_save_extra_data(self):
return {'_user': self.request.user}