def make_metadata(self, create, extracted, **kwargs):
"""Create associated document metadata for the annotation."""
# The metadata objects are going to be added to the db, so if we're not
# using the create strategy then simply don't make any.
if not create:
return
def document_uri_dict():
"""
Return a randomly generated DocumentURI dict for this annotation.
This doesn't add anything to the database session yet.
"""
document_uri = DocumentURI.build(claimant=self.target_uri,
uri=self.target_uri)
return dict(
claimant=document_uri.claimant,
uri=document_uri.uri,
type=document_uri.type,
content_type=document_uri.content_type,
)
document_uri_dicts = [
document_uri_dict() for _ in range(random.randint(1, 3))
]
def document_meta_dict(**kwargs):
"""
Return a randomly generated DocumentMeta dict for this annotation.
This doesn't add anything to the database session yet.
"""
kwargs.setdefault('claimant', self.target_uri)
document_meta = DocumentMeta.build(**kwargs)
return dict(
claimant=document_meta.claimant,
type=document_meta.type,
value=document_meta.value,
)
document_meta_dicts = [
document_meta_dict() for _ in range(random.randint(1, 3))
]
# Make sure that there's always at least one DocumentMeta with
# type='title', so that we never get annotation.document.title is None:
if 'title' not in [m['type'] for m in document_meta_dicts]:
document_meta_dicts.append(document_meta_dict(type='title'))
api_models.update_document_metadata(
orm.object_session(self),
self,
document_meta_dicts=document_meta_dicts,
document_uri_dicts=document_uri_dicts,
)
def make_metadata(self, create, extracted, **kwargs):
"""Create associated document metadata for the annotation."""
# The metadata objects are going to be added to the db, so if we're not
# using the create strategy then simply don't make any.
if not create:
return
def document_uri_dict():
"""
Return a randomly generated DocumentURI dict for this annotation.
This doesn't add anything to the database session yet.
"""
document_uri = DocumentURI.build(claimant=self.target_uri,
uri=self.target_uri)
return dict(
claimant=document_uri.claimant,
uri=document_uri.uri,
type=document_uri.type,
content_type=document_uri.content_type,
)
document_uri_dicts = [document_uri_dict()
for _ in range(random.randint(1, 3))]
def document_meta_dict(**kwargs):
"""
Return a randomly generated DocumentMeta dict for this annotation.
This doesn't add anything to the database session yet.
"""
kwargs.setdefault('claimant', self.target_uri)
document_meta = DocumentMeta.build(**kwargs)
return dict(
claimant=document_meta.claimant,
type=document_meta.type,
value=document_meta.value,
)
document_meta_dicts = [document_meta_dict()
for _ in range(random.randint(1, 3))]
# Make sure that there's always at least one DocumentMeta with
# type='title', so that we never get annotation.document.title is None:
if 'title' not in [m['type'] for m in document_meta_dicts]:
document_meta_dicts.append(document_meta_dict(type='title'))
api_models.update_document_metadata(
orm.object_session(self),
self,
document_meta_dicts=document_meta_dicts,
document_uri_dicts=document_uri_dicts,
)
def create_annotation(request, data):
"""
Create an annotation from passed data.
:param request: the request object
:type request: pyramid.request.Request
:param data: a dictionary of annotation properties
:type data: dict
:returns: the created annotation
:rtype: dict
"""
document_uri_dicts = data['document']['document_uri_dicts']
document_meta_dicts = data['document']['document_meta_dicts']
del data['document']
# Replies must have the same group as their parent.
if data['references']:
top_level_annotation_id = data['references'][0]
top_level_annotation = fetch_annotation(request.db,
top_level_annotation_id)
if top_level_annotation:
data['groupid'] = top_level_annotation.groupid
else:
raise schemas.ValidationError(
'references.0: ' +
_('Annotation {id} does not exist').format(
id=top_level_annotation_id)
)
# The user must have permission to create an annotation in the group
# they've asked to create one in.
if data['groupid'] != '__world__':
group_principal = 'group:{}'.format(data['groupid'])
if group_principal not in request.effective_principals:
raise schemas.ValidationError('group: ' +
_('You may not create annotations '
'in groups you are not a member '
'of!'))
annotation = models.Annotation(**data)
request.db.add(annotation)
# We need to flush the db here so that annotation.created and
# annotation.updated get created.
request.db.flush()
models.update_document_metadata(
request.db, annotation, document_meta_dicts, document_uri_dicts)
return annotation
def create_annotation(request, data):
"""
Create an annotation from passed data.
:param request: the request object
:type request: pyramid.request.Request
:param data: a dictionary of annotation properties
:type data: dict
:returns: the created annotation
:rtype: dict
"""
document_uri_dicts = data['document']['document_uri_dicts']
document_meta_dicts = data['document']['document_meta_dicts']
del data['document']
# Replies must have the same group as their parent.
if data['references']:
top_level_annotation_id = data['references'][0]
top_level_annotation = fetch_annotation(request.db,
top_level_annotation_id)
if top_level_annotation:
data['groupid'] = top_level_annotation.groupid
else:
raise schemas.ValidationError(
'references.0: ' + _('Annotation {id} does not exist').format(
id=top_level_annotation_id))
# The user must have permission to create an annotation in the group
# they've asked to create one in.
if data['groupid'] != '__world__':
group_principal = 'group:{}'.format(data['groupid'])
if group_principal not in request.effective_principals:
raise schemas.ValidationError('group: ' +
_('You may not create annotations '
'in groups you are not a member '
'of!'))
annotation = models.Annotation(**data)
request.db.add(annotation)
# We need to flush the db here so that annotation.created and
# annotation.updated get created.
request.db.flush()
models.update_document_metadata(request.db, annotation,
document_meta_dicts, document_uri_dicts)
return annotation
def create_annotation(request, data, group_service):
"""
Create an annotation from passed data.
:param request: the request object
:type request: pyramid.request.Request
:param data: a dictionary of annotation properties
:type data: dict
:param group_service: a service object that adheres to ``memex.interfaces.IGroupService``
:type group_service: memex.interfaces.IGroupService
:returns: the created and flushed annotation
:rtype: dict
"""
created = updated = datetime.utcnow()
document_uri_dicts = data['document']['document_uri_dicts']
document_meta_dicts = data['document']['document_meta_dicts']
del data['document']
# Replies must have the same group as their parent.
if data['references']:
top_level_annotation_id = data['references'][0]
top_level_annotation = fetch_annotation(request.db,
top_level_annotation_id)
if top_level_annotation:
data['groupid'] = top_level_annotation.groupid
else:
raise schemas.ValidationError(
'references.0: ' + _('Annotation {id} does not exist').format(
id=top_level_annotation_id))
# The user must have permission to create an annotation in the group
# they've asked to create one in. If the application didn't configure
# a groupfinder we will allow writing this annotation without any
# further checks.
group = group_service.find(data['groupid'])
if group is None or not request.has_permission('write', context=group):
raise schemas.ValidationError('group: ' +
_('You may not create annotations '
'in the specified group!'))
annotation = models.Annotation(**data)
annotation.created = created
annotation.updated = updated
document = models.update_document_metadata(request.db,
annotation.target_uri,
document_meta_dicts,
document_uri_dicts,
created=created,
updated=updated)
annotation.document = document
request.db.add(annotation)
request.db.flush()
return annotation
def create_annotation(request, data):
"""
Create an annotation from passed data.
:param request: the request object
:type request: pyramid.request.Request
:param data: a dictionary of annotation properties
:type data: dict
:returns: the created and flushed annotation
:rtype: dict
"""
created = updated = datetime.utcnow()
document_uri_dicts = data['document']['document_uri_dicts']
document_meta_dicts = data['document']['document_meta_dicts']
del data['document']
# Replies must have the same group as their parent.
if data['references']:
top_level_annotation_id = data['references'][0]
top_level_annotation = fetch_annotation(request.db,
top_level_annotation_id)
if top_level_annotation:
data['groupid'] = top_level_annotation.groupid
else:
raise schemas.ValidationError(
'references.0: ' +
_('Annotation {id} does not exist').format(
id=top_level_annotation_id)
)
# The user must have permission to create an annotation in the group
# they've asked to create one in. If the application didn't configure
# a groupfinder we will allow writing this annotation without any
# further checks.
group = groups.find(request, data['groupid'])
if group is None or not request.has_permission('write', context=group):
raise schemas.ValidationError('group: ' +
_('You may not create annotations '
'in the specified group!'))
annotation = models.Annotation(**data)
annotation.created = created
annotation.updated = updated
document = models.update_document_metadata(
request.db,
annotation.target_uri,
document_meta_dicts,
document_uri_dicts,
created=created,
updated=updated)
annotation.document = document
request.db.add(annotation)
request.db.flush()
return annotation
def update_annotation(session, id_, data):
"""
Update an existing annotation and its associated document metadata.
Update the annotation identified by id_ with the given
data. Create, delete and update document metadata as appropriate.
:param session: the database session
:type session: sqlalchemy.orm.session.Session
:param id_: the ID of the annotation to be updated, this is assumed to be a
validated ID of an annotation that does already exist in the database
:type id_: string
:param data: the validated data with which to update the annotation
:type data: dict
:returns: the updated annotation
:rtype: memex.models.Annotation
"""
# Remove any 'document' field first so that we don't try to save it on the
# annotation object.
document = data.pop('document', None)
annotation = session.query(models.Annotation).get(id_)
annotation.updated = datetime.utcnow()
annotation.extra.update(data.pop('extra', {}))
for key, value in data.items():
setattr(annotation, key, value)
if document:
document_uri_dicts = document['document_uri_dicts']
document_meta_dicts = document['document_meta_dicts']
models.update_document_metadata(session, annotation,
document_meta_dicts,
document_uri_dicts)
return annotation
def update_annotation(session, id_, data):
"""
Update an existing annotation and its associated document metadata.
Update the annotation identified by id_ with the given
data. Create, delete and update document metadata as appropriate.
:param session: the database session
:type session: sqlalchemy.orm.session.Session
:param id_: the ID of the annotation to be updated, this is assumed to be a
validated ID of an annotation that does already exist in the database
:type id_: string
:param data: the validated data with which to update the annotation
:type data: dict
:returns: the updated annotation
:rtype: memex.models.Annotation
"""
# Remove any 'document' field first so that we don't try to save it on the
# annotation object.
document = data.pop('document', None)
annotation = session.query(models.Annotation).get(id_)
annotation.updated = datetime.utcnow()
annotation.extra.update(data.pop('extra', {}))
for key, value in data.items():
setattr(annotation, key, value)
if document:
document_uri_dicts = document['document_uri_dicts']
document_meta_dicts = document['document_meta_dicts']
models.update_document_metadata(
session, annotation, document_meta_dicts, document_uri_dicts)
return annotation