def handler(event, context):
if 'body' not in event:
return default_resp(ValidationError("Missing body."))
try:
body_from_json = json.loads(event['body'])
except ValueError:
return default_resp(ValidationError("Unable to parse request"))
try:
ret_body = validated_body(body_from_json, SUBMIT_FIELDS)
except ValidationError, e:
return default_resp(e)
def handler(event, context):
if 'body' not in event:
return default_resp(ValidationError("Missing body."))
try:
body_from_json = json.loads(event['body'])
except (ValueError, TypeError) as e:
LOG.exception("Unable to parse body: {}".format(e.message))
return default_resp(ValidationError("Unable to parse request"))
try:
ret_body = validated_body(body_from_json, UPDATE_FIELDS)
if ret_body[update.action] not in ACTION_FIELDS:
raise ValidationError("{} is not a valid action.".format(
ret_body[update.action]))
except ValidationError, e:
return default_resp(e)
def get_item_from_id(key_id):
dynamo_submissions = boto3.resource('dynamodb').Table(
SUBMISSIONS_TABLE_NAME)
try:
q = dynamo_submissions.get_item(Key={'id': key_id})
except Exception, e:
LOG.exception("Error querying the database for {}: {}".format(
key_id, e.message))
raise ValidationError("Database error.")
def add_updates_for_action(item):
dynamo_updates = boto3.resource('dynamodb').Table(UPDATES_TABLE_NAME)
t = int(time.time() * 100)
try:
item_to_put = merge_two_dicts(item, {'create_time': t})
dynamo_updates.put_item(Item=item_to_put)
except Exception, e:
LOG.exception("Error updating the {} table with {} : {} ".format(
UPDATES_TABLE_NAME, item_to_put, e.message))
raise ValidationError("Database error.")
def delete_item(key_id):
dynamo_submissions = boto3.resource('dynamodb').Table(
SUBMISSIONS_TABLE_NAME)
try:
dynamo_submissions.delete_item(Key={'id': key_id})
except Exception, e:
LOG.exception(
"Error deleting from the {} table with key={} : {} ".format(
SUBMISSIONS_TABLE_NAME, key_id, e.message))
raise ValidationError("Database error.")
def increment_action(key_id, action):
dynamo_submissions = boto3.resource('dynamodb').Table(
SUBMISSIONS_TABLE_NAME)
t = int(time.time() * 100)
try:
q = dynamo_submissions.update_item(
Key={'id': key_id},
UpdateExpression="ADD {} :val SET update_time = :ut".format(
action),
ExpressionAttributeValues={
':ut': t,
':val': decimal.Decimal(1)
},
ReturnValues="UPDATED_NEW")
except Exception, e:
LOG.exception(
"Error updating the database for key {} action {} : {}".format(
key_id, action, e.message))
raise ValidationError("Database error.")
LOG = logging.getLogger()
LOG.setLevel(logging.WARN)
def get_item_from_id(key_id):
dynamo_submissions = boto3.resource('dynamodb').Table(
SUBMISSIONS_TABLE_NAME)
try:
q = dynamo_submissions.get_item(Key={'id': key_id})
except Exception, e:
LOG.exception("Error querying the database for {}: {}".format(
key_id, e.message))
raise ValidationError("Database error.")
if 'Item' not in q:
raise ValidationError("Unable to find id: {}".format(key_id))
return q['Item']
def increment_action(key_id, action):
dynamo_submissions = boto3.resource('dynamodb').Table(
SUBMISSIONS_TABLE_NAME)
t = int(time.time() * 100)
try:
q = dynamo_submissions.update_item(
Key={'id': key_id},
UpdateExpression="ADD {} :val SET update_time = :ut".format(
action),
ExpressionAttributeValues={
':ut': t,
':val': decimal.Decimal(1)