Add document type to indexes link view

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.rst

@@ -192,6 +192,8 @@
 * Add index create and edit events.
 * Allow overloading the action_add and action_remove methods
   from the AddRemoveView.
+* Add view to link document type and indexes from the document
+  type side.
 
 3.1.11 (2019-04-XX)
 ===================

docs/releases/3.2.rst

@@ -224,6 +224,8 @@ Other changes
 * Add index create and edit events.
 * Allow overloading the action_add and action_remove methods
   from the AddRemoveView.
+* Add view to link document type and indexes from the document
+  type side.
 
 Removals
 --------

mayan/apps/document_indexing/apps.py

@@ -33,7 +33,8 @@ from .html_widgets import (
     get_instance_link, index_instance_item_link, node_level
 )
 from .links import (
-    link_document_index_instance_list, link_index_instance_menu, link_index_template_setup,
+    link_document_index_instance_list, link_document_type_index_templates,
+    link_index_instance_menu, link_index_template_setup,
     link_index_template_create, link_index_template_document_types,
     link_index_template_delete, link_index_template_edit, link_index_template_list,
     link_index_template_node_tree_view, link_index_instances_rebuild,
@@ -192,6 +193,10 @@ class DocumentIndexingApp(MayanAppConfig):
         menu_facet.bind_links(
             links=(link_document_index_instance_list,), sources=(Document,)
         )
+        menu_list_facet.bind_links(
+            links=(link_document_type_index_templates,),
+            sources=(DocumentType,)
+        )
         menu_list_facet.bind_links(
             links=(
                 link_acl_list, link_events_for_object,

mayan/apps/document_indexing/icons.py

@@ -7,6 +7,7 @@ icon_document_index_instance_list = Icon(
     driver_name='fontawesome', symbol='list-ul'
 )
 icon_index = Icon(driver_name='fontawesome', symbol='list-ul')
+icon_document_type_index_templates = icon_index
 icon_index_level_up = Icon(
     driver_name='fontawesomecss', css_classes='fa-level-up-alt fa-rotate-90'
 )

mayan/apps/document_indexing/links.py

@@ -2,6 +2,7 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext_lazy as _
 
+from mayan.apps.documents.permissions import permission_document_type_edit
 from mayan.apps.navigation.classes import Link
 from mayan.apps.navigation.utils import get_cascade_condition
 
@@ -23,6 +24,13 @@ link_document_index_instance_list = Link(
     text=_('Indexes'), view='indexing:document_index_list',
 )
 
+link_document_type_index_templates = Link(
+    args='resolved_object.pk',
+    icon_class_path='mayan.apps.document_indexing.icons.icon_document_type_index_templates',
+    permissions=(permission_document_type_edit,), text=_('Index templates'),
+    view='indexing:document_type_index_templates',
+)
+
 link_index_instance_menu = Link(
     condition=get_cascade_condition(
         app_label='document_indexing', model_name='Index',

mayan/apps/document_indexing/models.py

@@ -12,6 +12,7 @@ from mptt.fields import TreeForeignKey
 from mptt.models import MPTTModel
 
 from mayan.apps.acls.models import AccessControlList
+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_view
 from mayan.apps.lock_manager.exceptions import LockError
@@ -48,7 +49,7 @@ class Index(models.Model):
         verbose_name=_('Enabled')
     )
     document_types = models.ManyToManyField(
-        to=DocumentType, verbose_name=_('Document types')
+        related_name='indexes', to=DocumentType, verbose_name=_('Document types')
     )
 
     objects = IndexManager()
@@ -66,14 +67,22 @@ class Index(models.Model):
             event_index_template_edited.commit(
                 actor=_user, target=self
             )
-            self.document_types.add(*queryset)
+            for obj in queryset:
+                self.document_types.add(obj)
+                event_document_type_edited.commit(
+                    actor=_user, action_object=self, target=obj
+                )
 
     def document_types_remove(self, queryset, _user=None):
         with transaction.atomic():
             event_index_template_edited.commit(
                 actor=_user, target=self
             )
-            self.document_types.remove(*queryset)
+            for obj in queryset:
+                self.document_types.remove(*queryset)
+                event_document_type_edited.commit(
+                    actor=_user, action_object=self, target=obj
+                )
 
     def get_absolute_url(self):
         try:

mayan/apps/document_indexing/urls.py

@@ -8,14 +8,19 @@ from .api_views import (
     APIIndexTemplateView, APIIndexView
 )
 from .views import (
-    DocumentIndexNodeListView, IndexInstanceNodeView, IndexListView,
+    DocumentIndexNodeListView, DocumentTypeIndexesView, IndexInstanceNodeView,
-    IndexesRebuildView, SetupIndexDocumentTypesView, SetupIndexCreateView,
+    IndexListView, IndexesRebuildView, SetupIndexDocumentTypesView,
-    SetupIndexDeleteView, SetupIndexEditView, SetupIndexListView,
+    SetupIndexCreateView, SetupIndexDeleteView, SetupIndexEditView,
-    SetupIndexTreeTemplateListView, TemplateNodeCreateView,
+    SetupIndexListView, SetupIndexTreeTemplateListView, TemplateNodeCreateView,
     TemplateNodeDeleteView, TemplateNodeEditView
 )
 
 urlpatterns = [
+    url(
+        regex=r'^setup/document_types/(?P<pk>\d+)/index_templates/$',
+        view=DocumentTypeIndexesView.as_view(),
+        name='document_type_index_templates'
+    ),
     url(
         regex=r'^setup/index/list/$', view=SetupIndexListView.as_view(),
         name='index_setup_list'

mayan/apps/document_indexing/views.py

@@ -12,12 +12,14 @@ from mayan.apps.common.generics import (
     AddRemoveView, FormView, SingleObjectCreateView, SingleObjectDeleteView,
     SingleObjectEditView, SingleObjectListView
 )
+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, permission_document_view
 )
 from mayan.apps.documents.views import DocumentListView
 
+from .events import event_index_template_edited
 from .forms import IndexTemplateFilteredForm, IndexTemplateNodeForm
 from .html_widgets import node_tree
 from .icons import icon_index
@@ -35,6 +37,51 @@ from .permissions import (
 from .tasks import task_rebuild_index
 
 
+class DocumentTypeIndexesView(AddRemoveView):
+    main_object_permission = permission_document_indexing_edit
+    main_object_model = DocumentType
+    main_object_pk_url_kwarg = 'pk'
+    secondary_object_model = Index
+    secondary_object_permission = permission_document_type_edit
+    list_available_title = _('Available indexes')
+    list_added_title = _('Indexes linked')
+    related_field = 'indexes'
+
+    def action_add(self, queryset, _user):
+        event_document_type_edited.commit(
+            actor=_user, target=self.main_object
+        )
+        for obj in queryset:
+            self.main_object.indexes.add(obj)
+            event_index_template_edited.commit(
+                actor=_user, action_object=self.main_object, target=obj
+            )
+
+    def action_remove(self, queryset, _user):
+        event_document_type_edited.commit(
+            actor=_user, target=self.main_object
+        )
+        for obj in queryset:
+            self.main_object.indexes.remove(obj)
+            event_index_template_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,
+            'subtitle': _(
+                'Documents of this type will appear in the indexes linked '
+                'when these are updated. Events of the documents of this type '
+                'will trigger updates in the linked indexes.'
+            ),
+            'title': _('Indexes linked to document type: %s') % self.main_object,
+        }
+
+
 # Setup views
 class SetupIndexCreateView(SingleObjectCreateView):
     extra_context = {'title': _('Create index')}
@@ -104,16 +151,14 @@ class SetupIndexListView(SingleObjectListView):
 
 
 class SetupIndexDocumentTypesView(AddRemoveView):
-    action_add_method = 'document_types_add'
+    main_object_method_add = 'document_types_add'
-    action_remove_method = 'document_types_remove'
+    main_object_method_remove = 'document_types_remove'
     main_object_permission = permission_document_indexing_edit
     main_object_model = Index
     main_object_pk_url_kwarg = 'pk'
     secondary_object_model = DocumentType
     secondary_object_permission = permission_document_type_edit
     list_available_title = _('Available document types')
-    # Translators: "User groups" here refer to the group list of a specific
-    # user.
     list_added_title = _('Document types linked')
     related_field = 'document_types'