def create(self, model, data, **kwargs):
"""
Create a new instance of a model
:param model: The model name to create an instance of
:type model: str
:param data: The data to provide to that instance, formatted as a Collection+JSON data array
:type data: list
:return: Collection representation of the created resource.
"""
try:
data = Template(data)
except (TypeError, ValueError, IndexError):
abort(400)
# letting this raise a KeyError on purpose, flask returns HTTP 500 on python errors
instance = self.models[model](data)
session = sessionmaker(bind=self.database)
session.add(instance)
session.commit()
return Collection(href=self.app.config.get('API_ROOT'),
items=[instance.get_collection_item()])
def update(self, model, data, pk=None, **kwargs):
"""
Update a model instance in the database.
:param model: The model name to look for an instance of.
:param data: The data to provide to the instance, formatted as a Collection+JSON data array
:param pk: The primary key of the model instance to modify.
:param kwargs:
:return: A Collection+JSON representation of the updated model instance.
"""
try:
data = Template(data)
except (TypeError, ValueError, IndexError):
abort(400)
# letting self.models[model] raise a KeyError on purpose, see above
instance = self.models[model].query.get_or_404(pk)
instance.update(data)
self.database.session.commit()
return Collection(
href=self.app.config.get('API_ROOT'),
template=self.models[model].get_collection_template(),
items=[instance.get_collection_item()])
