def post(self):
""" Create an entity of model given by path /classname.
Request body is JSON for a jobj for a new entity (without id!).
Response is JSON for a jobj for a newly created entity.
Also sets HTTP Location: header to /classname/id for new entity.
"""
user = users.get_current_user()
if user is None:
return self.redirect(users.create_login_url(self.request.uri))
failed, model, entity = self._get_model_and_entity(True, False, user)
if failed: return
if entity is not None:
self.response.set_status(400, 'Cannot create entity with fixed ID.')
return
jobj = jsonutil.receive_json(self.request)
if hasattr(model, 'check_existing'):
existing = model.check_existing(jobj)
if existing:
new_entity_path = "/%s/%d" % (self._classname, jsonutil.id_of(existing)['id'])
self.response.headers['Location'] = new_entity_path
self.response.set_status(302, 'Found existing object %s' % new_entity_path)
return
jobj = jsonutil.make_entity(model, jobj, user=user)
self._serve(jobj)
new_entity_path = "/%s/%s" % (self._classname, jobj['id'])
logging.info('Post created %r', new_entity_path)
self.response.headers['Location'] = new_entity_path
self.response.set_status(201, 'Created entity %s' % new_entity_path)
def get(self):
""" Get JSON data for model names, entity IDs of a model, or an entity.
Depending on the request path, serve as JSON to the response object:
- for a path of /classname/id, a jobj for that entity
- for a path of /classname, a list of id-only jobjs for that model
- for a path of /, a list of all model classnames
"""
user = users.get_current_user()
if user is None:
return self.redirect(users.create_login_url(self.request.uri))
coon = str(1 + int(self.get_cookie('coon', '0')))
self.set_cookie('count', coon)
self.set_cookie('ts', str(int(time.time())))
failed, model, entity = self._get_model_and_entity(False, False, user)
if failed: return
if model is None:
return self._serve(restutil.allModelClassNames())
if entity is None:
return self._serve([jsonutil.id_of(x) for x in model.all()])
jobj = jsonutil.make_jobj(entity)
return self._serve(jobj)
def do_get_model(self, model):
""" Hook method to R/O "call a model" ("get list of all its IDs"...?)
"""
themodel = self.get_model(model)
if themodel is None: return ''
return [jsonutil.id_of(x) for x in themodel.all()]
def do_get_model(self, model):
""" Hook method to R/O "call a model" ("get list of all its IDs"...?)
"""
themodel = self.get_model(model)
if themodel is None: return ''
return [jsonutil.id_of(x) for x in themodel.all()]
