Files
mayan-edms/mayan/apps/metadata/apps.py
Roberto Rosario d7ecdac6b0 Fix PEP8 warnings.
Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
2018-04-06 01:26:06 -04:00

240 lines
8.0 KiB
Python

from __future__ import unicode_literals
import logging
from kombu import Exchange, Queue
from django.apps import apps
from django.db.models.signals import post_delete, post_save
from django.utils.translation import ugettext_lazy as _
from acls import ModelPermission
from common import (
MayanAppConfig, menu_facet, menu_multi_item, menu_object, menu_secondary,
menu_setup, menu_sidebar
)
from common.classes import ModelAttribute
from common.widgets import two_state_template
from documents.search import document_page_search, document_search
from documents.signals import post_document_type_change
from mayan.celery import app
from navigation import SourceColumn
from .classes import DocumentMetadataHelper
from .handlers import (
handler_index_document, post_document_type_metadata_type_add,
post_document_type_metadata_type_delete,
post_document_type_change_metadata
)
from .links import (
link_metadata_add, link_metadata_edit, link_metadata_multiple_add,
link_metadata_multiple_edit, link_metadata_multiple_remove,
link_metadata_remove, link_metadata_view,
link_setup_document_type_metadata_types, link_setup_metadata_type_create,
link_setup_metadata_type_delete, link_setup_metadata_type_document_types,
link_setup_metadata_type_edit, link_setup_metadata_type_list,
)
from .permissions import (
permission_metadata_document_add, permission_metadata_document_edit,
permission_metadata_document_remove, permission_metadata_document_view,
permission_metadata_type_delete, permission_metadata_type_edit,
permission_metadata_type_view
)
from .queues import * # NOQA
from .search import metadata_type_search # NOQA
from .widgets import get_metadata_string
logger = logging.getLogger(__name__)
class MetadataApp(MayanAppConfig):
has_rest_api = True
has_tests = True
name = 'metadata'
verbose_name = _('Metadata')
def ready(self):
super(MetadataApp, self).ready()
from .wizard_steps import WizardStepMetadata # NOQA
Document = apps.get_model(
app_label='documents', model_name='Document'
)
DocumentPageResult = apps.get_model(
app_label='documents', model_name='DocumentPageResult'
)
DocumentType = apps.get_model(
app_label='documents', model_name='DocumentType'
)
DocumentMetadata = self.get_model('DocumentMetadata')
DocumentTypeMetadataType = self.get_model('DocumentTypeMetadataType')
MetadataType = self.get_model('MetadataType')
Document.add_to_class(
'metadata_value_of', DocumentMetadataHelper.constructor
)
ModelAttribute(
Document, 'metadata', type_name='related',
description=_(
'Queryset containing a MetadataType instance reference and a '
'value for that metadata type'
)
)
ModelAttribute(
Document, 'metadata__metadata_type__name',
label=_('Metadata type name'), type_name='query'
)
ModelAttribute(
Document, 'metadata__value', label=_('Metadata type value'),
type_name='query'
)
ModelAttribute(
Document, 'metadata_value_of', label=_('Value of a metadata'),
description=_(
'Return the value of a specific document metadata'
),
type_name=['property', 'indexing']
)
ModelPermission.register(
model=Document, permissions=(
permission_metadata_document_add,
permission_metadata_document_edit,
permission_metadata_document_remove,
permission_metadata_document_view,
)
)
ModelPermission.register(
model=MetadataType, permissions=(
permission_metadata_type_delete,
permission_metadata_type_edit,
permission_metadata_type_view
)
)
SourceColumn(
source=Document, label=_('Metadata'),
func=lambda context: get_metadata_string(context['object'])
)
SourceColumn(
source=DocumentPageResult, label=_('Metadata'),
func=lambda context: get_metadata_string(
context['object'].document
)
)
SourceColumn(
source=DocumentMetadata, label=_('Value'),
attribute='value'
)
SourceColumn(
source=DocumentMetadata, label=_('Required'),
func=lambda context: two_state_template(
context['object'].is_required
)
)
app.conf.CELERY_QUEUES.append(
Queue('metadata', Exchange('metadata'), routing_key='metadata'),
)
app.conf.CELERY_ROUTES.update(
{
'metadata.tasks.task_remove_metadata_type': {
'queue': 'metadata'
},
'metadata.tasks.task_add_required_metadata_type': {
'queue': 'metadata'
},
}
)
document_search.add_model_field(
field='metadata__metadata_type__name', label=_('Metadata type')
)
document_search.add_model_field(
field='metadata__value', label=_('Metadata value')
)
document_page_search.add_model_field(
field='document_version__document__metadata__metadata_type__name',
label=_('Metadata type')
)
document_page_search.add_model_field(
field='document_version__document__metadata__value',
label=_('Metadata value')
)
menu_facet.bind_links(links=(link_metadata_view,), sources=(Document,))
menu_multi_item.bind_links(
links=(
link_metadata_multiple_add, link_metadata_multiple_edit,
link_metadata_multiple_remove
), sources=(Document,)
)
menu_object.bind_links(
links=(
link_setup_document_type_metadata_types,
), sources=(DocumentType,)
)
menu_object.bind_links(
links=(
link_setup_metadata_type_edit,
link_setup_metadata_type_document_types,
link_setup_metadata_type_delete
), sources=(MetadataType,)
)
menu_secondary.bind_links(
links=(
link_setup_metadata_type_list,
link_setup_metadata_type_create
), sources=(
MetadataType, 'metadata:setup_metadata_type_list',
'metadata:setup_metadata_type_create'
)
)
menu_setup.bind_links(links=(link_setup_metadata_type_list,))
menu_sidebar.bind_links(
links=(
link_metadata_add, link_metadata_edit, link_metadata_remove
), sources=(
'metadata:metadata_add', 'metadata:metadata_edit',
'metadata:metadata_remove', 'metadata:metadata_view'
)
)
post_delete.connect(
post_document_type_metadata_type_delete,
dispatch_uid='metadata_post_document_type_metadata_type_delete',
sender=DocumentTypeMetadataType
)
post_document_type_change.connect(
post_document_type_change_metadata,
dispatch_uid='metadata_post_document_type_change_metadata',
sender=Document
)
post_save.connect(
post_document_type_metadata_type_add,
dispatch_uid='metadata_post_document_type_metadata_type_add',
sender=DocumentTypeMetadataType
)
# Index updating
post_delete.connect(
handler_index_document,
dispatch_uid='metadata_handler_index_document_delete',
sender=DocumentMetadata
)
post_save.connect(
handler_index_document,
dispatch_uid='metadata_handler_index_document_save',
sender=DocumentMetadata
)