def save(obj, data, files=None):
""" Set a property on the given object (entity or relation). This will
either create a new property object or re-activate an existing object
from the same source, if one exists. If the property is defined as
``active``, existing properties with the same name will be de-activated.
WARNING: This does not, on its own, perform any validation.
"""
prop = None
for cand in obj.properties:
if cand.name != data.get('name'):
continue
if cand.value == data.get('value'):
prop = cand
elif cand.active and data.get('active'):
cand.active = False
if prop is None:
prop = Property()
db.session.add(prop)
if isinstance(obj, Entity):
prop.entity = obj
else:
prop.relation = obj
attribute = obj.schema.get_attribute(data.get('name'))
if attribute.datatype == 'file':
# if there is a file with the property name in `files`
# a new file is created and the property updated
file_key = data.get('name')
if file_key in files:
file_data = files.get(file_key)
file = files_logic.save(data, file_data)
prop.value_file_id = file.id
prop.value_string = url_for('files_api.serve', id=file.id)
elif data.get('value') is None:
raise TypeError("File for property '%s' is required" % file_key)
else:
setattr(prop, attribute.value_column, data.get('value'))
# set value of precision field for datetime property
if attribute.datatype == 'datetime':
prop.value_datetime_precision = data.get('value_precision')
prop.name = data.get('name')
prop.author = data.get('author')
prop.attribute = attribute
prop.active = data.get('active')
prop.source_url = data.get('source_url')
prop.updated_at = datetime.utcnow()
obj.updated_at = datetime.utcnow()
return prop
def relations_index(obj_id):
query = Property.all()
query = query.filter(Property.relation_id != None)
obj = Relation.by_id(obj_id)
query = query.filter_by(relation_id=obj_id)
return _index(query, obj)
def entities_index(obj_id):
query = Property.all()
query = query.filter(Property.relation_id != None)
obj = Entity.by_id(obj_id)
query = query.filter_by(entity_id=obj_id)
return _index(query, obj)
def save(obj, data, files=None):
""" Set a property on the given object (entity or relation). This will
either create a new property object or re-activate an existing object
from the same source, if one exists. If the property is defined as
``active``, existing properties with the same name will be de-activated.
WARNING: This does not, on its own, perform any validation.
"""
prop = None
for cand in obj.properties:
if cand.name != data.get('name'):
continue
if cand.value == data.get('value'):
prop = cand
elif cand.active and data.get('active'):
cand.active = False
if prop is None:
prop = Property()
db.session.add(prop)
if isinstance(obj, Entity):
prop.entity = obj
else:
prop.relation = obj
if data.get('attribute').datatype == 'file':
# if there is a file with the property name in `files`
# a new file is created and the property updated
file_key = data.get('name')
if file_key in files:
file_data = files.get(file_key)
file = files_logic.save(data, file_data)
prop.value_file_id = file.id
prop.value_string = url_for('files_api.serve', id=file.id)
elif data.get('value') is None:
raise TypeError("File for property '%s' is required" % file_key)
else:
setattr(prop, data.get('attribute').value_column,
data.get('value'))
prop.name = data.get('name')
prop.author = data.get('author')
prop.schema = data.get('schema')
prop.attribute = data.get('attribute')
prop.active = data.get('active')
prop.source_url = data.get('source_url')
prop.updated_at = datetime.utcnow()
obj.updated_at = datetime.utcnow()
return prop