Add support for emptying the trash can in a single action.

mayan/apps/documents/apps.py

@@ -49,7 +49,7 @@ from .links import (
     link_document_type_filename_list, link_document_type_list,
     link_document_type_setup, link_document_update_page_count,
     link_document_version_download, link_document_version_list,
-    link_document_version_revert
+    link_document_version_revert, link_trash_can_empty
 )
 from .models import (
     DeletedDocument, Document, DocumentPage, DocumentType, DocumentTypeFilename,
@@ -94,6 +94,10 @@ class DocumentsApp(MayanAppConfig):
             )
         )
 
+        SourceColumn(source=Document, label=_('Thumbnail'), attribute=encapsulate(lambda document: document_thumbnail(document, gallery_name='documents:document_list', title=getattr(document, 'label', None), size=setting_thumbnail_size.value)))
+        SourceColumn(source=Document, label=_('Type'), attribute='document_type')
+        SourceColumn(source=DeletedDocument, label=_('Type'), attribute='document_type')
+
         menu_front_page.bind_links(links=[link_document_list_recent, link_document_list, link_document_list_deleted])
         menu_setup.bind_links(links=[link_document_type_setup])
         menu_tools.bind_links(links=[link_clear_image_cache])
@@ -104,6 +108,8 @@ class DocumentsApp(MayanAppConfig):
         menu_secondary.bind_links(links=[link_document_type_list, link_document_type_create], sources=[DocumentType, 'documents:document_type_create', 'documents:document_type_list'])
         menu_sidebar.bind_links(links=[link_document_type_filename_create], sources=[DocumentTypeFilename, 'documents:document_type_filename_list', 'documents:document_type_filename_create'])
 
+        menu_sidebar.bind_links(links=[link_trash_can_empty], sources=['documents:document_list_deleted', 'documents:trash_can_empty'])
+
         # Document object links
         menu_object.bind_links(links=[link_document_edit, link_document_document_type_edit, link_document_print, link_document_trash, link_document_download, link_document_clear_transformations, link_document_update_page_count], sources=[Document])
         menu_object.bind_links(links=[link_document_restore, link_document_delete], sources=[DeletedDocument])
@@ -133,6 +139,3 @@ class DocumentsApp(MayanAppConfig):
         post_initial_setup.connect(create_default_document_type, dispatch_uid='create_default_document_type')
 
         registry.register(Document)
-
-        SourceColumn(source=Document, label=_('Thumbnail'), attribute=encapsulate(lambda document: document_thumbnail(document, gallery_name='documents:document_list', title=getattr(document, 'label', None), size=setting_thumbnail_size.value)))
-        SourceColumn(source=Document, label=_('type'), attribute='document_type')

mayan/apps/documents/links.py

@@ -13,7 +13,7 @@ from .permissions import (
     permission_document_version_revert, permission_document_view,
     permission_document_trash, permission_document_type_create,
     permission_document_type_delete, permission_document_type_edit,
-    permission_document_type_view
+    permission_document_type_view, permission_empty_trash
 )
 from .settings import setting_zoom_max_level, setting_zoom_min_level
 
@@ -76,6 +76,7 @@ link_clear_image_cache = Link(
     permissions=[permission_document_tools], text=_('Clear image cache'),
     view='documents:document_clear_image_cache'
 )
+link_trash_can_empty = Link(permissions=[permission_empty_trash], text=_('Empty trash can'), view='documents:trash_can_empty')
 
 # Document pages
 link_document_page_navigation_first = Link(conditional_disable=is_first_page, icon='fa fa-step-backward', keep_query=True, permissions=[permission_document_view], text=_('First page'), view='documents:document_page_navigation_first', args='resolved_object.pk')

mayan/apps/documents/permissions.py

@@ -19,6 +19,8 @@ permission_document_tools = namespace.add_permission(name='document_tools', labe
 permission_document_version_revert = namespace.add_permission(name='document_version_revert', label=_('Revert documents to a previous version'))
 permission_document_view = namespace.add_permission(name='document_view', label=_('View documents'))
 
+permission_empty_trash = namespace.add_permission(name='document_empty_trash', label=_('Empty trash'))
+
 setup_namespace = PermissionNamespace('documents_setup', label=_('Documents setup'))
 
 permission_document_type_create = setup_namespace.add_permission(name='document_type_create', label=_('Create document types'))

mayan/apps/documents/urls.py

@@ -13,7 +13,7 @@ from .settings import setting_print_size, setting_display_size
 from .views import (
     DeletedDocumentDeleteView, DeletedDocumentListView, DocumentListView,
     DocumentManyDeleteView, DocumentManyRestoreView, DocumentPageListView,
-    DocumentRestoreView, RecentDocumentListView
+    DocumentRestoreView, EmptyTrashCanView, RecentDocumentListView
 )
 
 urlpatterns = patterns(
@@ -52,6 +52,7 @@ urlpatterns = patterns(
 
     url(r'^multiple/clear_transformations/$', 'document_multiple_clear_transformations', name='document_multiple_clear_transformations'),
     url(r'^maintenance/clear_image_cache/$', 'document_clear_image_cache', name='document_clear_image_cache'),
+    url(r'^trash_can/empty/$', EmptyTrashCanView.as_view(), name='trash_can_empty'),
 
     url(r'^page/(?P<document_page_id>\d+)/$', 'document_page_view', name='document_page_view'),
     url(r'^page/(?P<document_page_id>\d+)/navigation/next/$', 'document_page_navigation_next', name='document_page_navigation_next'),

mayan/apps/documents/views.py

@@ -7,7 +7,7 @@ import urlparse
 from django.conf import settings
 from django.contrib import messages
 from django.core.exceptions import PermissionDenied
-from django.core.urlresolvers import resolve, reverse
+from django.core.urlresolvers import resolve, reverse, reverse_lazy
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render_to_response, get_object_or_404
 from django.template import RequestContext
@@ -48,7 +48,7 @@ from .permissions import (
     permission_document_trash, permission_document_type_create,
     permission_document_type_delete, permission_document_type_edit,
     permission_document_type_view, permission_document_version_revert,
-    permission_document_view,
+    permission_document_view, permission_empty_trash
 )
 from .settings import (
     setting_preview_size, setting_recent_count, setting_rotation_step,
@@ -192,6 +192,22 @@ class DocumentManyDeleteView(MultipleInstanceActionMixin, DeletedDocumentDeleteV
     model = DeletedDocument
 
 
+class EmptyTrashCanView(ConfirmView):
+    extra_context = {
+        'title': _('Empty trash can?')
+    }
+    view_permission = permission_empty_trash
+    action_cancel_redirect = post_action_redirect = reverse_lazy('documents:document_list_deleted')
+
+    def post(self, request, *args, **kwargs):
+        for deleted_document in DeletedDocument.objects.all():
+            deleted_document.delete()
+
+        messages.success(request, _('Trash can emptied successfully'))
+
+        return HttpResponseRedirect(self.get_success_url())
+
+
 def document_properties(request, document_id):
     document = get_object_or_404(Document, pk=document_id)