def assertionLookup(self, obj_url):
"""Method called to look up an assertion by its id number. Accessed
by going to URL /api/assertion/{id}. Returns a serialized version
of the assertion."""
try:
return Assertion.get(obj_url.replace('/assertion/', '')).serialize()
except DoesNotExist:
return rc.NOT_FOUND
except ValidationError: #raised if input is not a valid id
return rc.NOT_FOUND
def assertionLookup(self, obj_url):
"""Method called to look up an assertion by its id number. Accessed
by going to URL /api/assertion/{id}. Returns a serialized version
of the assertion."""
try:
return Assertion.get(obj_url.replace('/assertion/',
'')).serialize()
except DoesNotExist:
return rc.NOT_FOUND
except ValidationError: #raised if input is not a valid id
return rc.NOT_FOUND
def assertionExpressionLookup(self, request, obj_url):
assertionID = request.GET['id']
start = int(request.GET.get('start', '0'))
limit = int(request.GET.get('limit', '10'))
#NOTE: should return ranked by confidence score. For now assume that they do.
try:
assertion = Assertion.get(assertionID)
except DoesNotExist:
return rc.NOT_FOUND
cursor = Expression.objects(assertion = assertion)[start:start + limit]
expressions = []
while (True):
try:
expressions.append(str(cursor.next().id))
except StopIteration:
break #no more assertions within the skip/limit boundaries
if len(expressions) == 0: #no assertions were found for the concept
return rc.NOT_FOUND
return "{expressions: " + str(expressions) + "}"
def assertionExpressionLookup(self, request, obj_url):
assertionID = request.GET['id']
start = int(request.GET.get('start', '0'))
limit = int(request.GET.get('limit', '10'))
#NOTE: should return ranked by confidence score. For now assume that they do.
try:
assertion = Assertion.get(assertionID)
except DoesNotExist:
return rc.NOT_FOUND
cursor = Expression.objects(assertion=assertion)[start:start + limit]
expressions = []
while (True):
try:
expressions.append(str(cursor.next().id))
except StopIteration:
break #no more assertions within the skip/limit boundaries
if len(expressions) == 0: #no assertions were found for the concept
return rc.NOT_FOUND
return "{expressions: " + str(expressions) + "}"
def assertionVote(self, request, obj_url):
"""Assertion vote is called whenever someone is voting on an assertion. It can
be accessed in one of 2 ways: voting on an assertion identified directly by its id
or voting on an assertion identified by its unique attributes. To add a positive vote,
the user should make vote=1. A negative vote is vote=-1. Any other values will result
in no action being taken.
Can be accessed through either of the following URLS:
/api/assertionvote?dataset={dataset}&rel={relation}&concept={concept1,concept2,etc}
&polarity={polarity}&context={context}&vote={vote}&user={username}&password={password}
polarity and context are optional values, defaulting to polarity = 1 and context = None
/api/assertionidvote?id={id}&vote={vote}
"""
user = request.POST['user']
password = request.POST['password']
if obj_url.startswith('/assertionvote'):
dataset = request.POST['dataset']
relation = request.POST['rel']
argstr = request.POST['concepts']
polarity = int(request.POST.get('polarity','1'))
context = request.POST.get('context','None')
if context == "None":
context = None
try:
assertion = Assertion.objects.get(
dataset = dataset,
relation = relation,
argstr = argstr,
polarity = polarity,
context = context)
except DoesNotExist:
return rc.NOT_FOUND
else:
id = request.POST['id']
try:
assertion = Assertion.get(id)
dataset = assertion.dataset
except DoesNotExist:
return rc.NOT_FOUND
if User.objects.get(username=user).check_password(password):
#the user's password is correct. Get their reason and add
try:
ReasonConjunction.objects.get(target = dataset + '/contributor/' + user)
except DoesNotExist:
return rc.FORBIDDEN
else:
#incorrect password
return rc.FORBIDDEN
vote = request.POST['vote']
if vote == "1": #vote in favor
assertion.add_support([dataset + '/contributor/' + user])
elif vote == "-1": #vote against
assertion.add_oppose([dataset + '/contributor/' + user])
else: #invalid vote
return rc.BAD_REQUEST
return assertion.serialize()
def assertionVote(self, request, obj_url):
"""Assertion vote is called whenever someone is voting on an assertion. It can
be accessed in one of 2 ways: voting on an assertion identified directly by its id
or voting on an assertion identified by its unique attributes. To add a positive vote,
the user should make vote=1. A negative vote is vote=-1. Any other values will result
in no action being taken.
Can be accessed through either of the following URLS:
/api/assertionvote?dataset={dataset}&rel={relation}&concept={concept1,concept2,etc}
&polarity={polarity}&context={context}&vote={vote}&user={username}&password={password}
polarity and context are optional values, defaulting to polarity = 1 and context = None
/api/assertionidvote?id={id}&vote={vote}
"""
user = request.POST['user']
password = request.POST['password']
if obj_url.startswith('/assertionvote'):
dataset = request.POST['dataset']
relation = request.POST['rel']
argstr = request.POST['concepts']
polarity = int(request.POST.get('polarity', '1'))
context = request.POST.get('context', 'None')
if context == "None":
context = None
try:
assertion = Assertion.objects.get(dataset=dataset,
relation=relation,
argstr=argstr,
polarity=polarity,
context=context)
except DoesNotExist:
return rc.NOT_FOUND
else:
id = request.POST['id']
try:
assertion = Assertion.get(id)
dataset = assertion.dataset
except DoesNotExist:
return rc.NOT_FOUND
if User.objects.get(username=user).check_password(password):
#the user's password is correct. Get their reason and add
try:
ReasonConjunction.objects.get(target=dataset +
'/contributor/' + user)
except DoesNotExist:
return rc.FORBIDDEN
else:
#incorrect password
return rc.FORBIDDEN
vote = request.POST['vote']
if vote == "1": #vote in favor
assertion.add_support([dataset + '/contributor/' + user])
elif vote == "-1": #vote against
assertion.add_oppose([dataset + '/contributor/' + user])
else: #invalid vote
return rc.BAD_REQUEST
return assertion.serialize()