def category_key_fetcher(data_key):
"""
Look up the category that is associated with the account defined in the split.
:param data_key: split
:return:
"""
return get_category_for_account(data_key.GetAccount().get_full_name())
def __call__(self):
start_of_trend = self._start.date
end_of_trend = self._end.date
data = dict()
for account in account_walker(self._accounts):
for split in get_splits(account, start_of_trend, end_of_trend, credit=False):
transaction = split.parent
for transaction_split in transaction.GetSplitList():
transaction_account_name = transaction_split.GetAccount().get_full_name()
if transaction_account_name != account.get_full_name():
category = get_category_for_account(transaction_account_name)
current_balance = data.setdefault(category,
Decimal('0.0'))
current_balance += get_decimal(transaction_split.GetAmount())
data[category] = current_balance
result = self._generate_result()
result['data']['categories'] = sorted([[key, value] for key, value in data.iteritems()], key=itemgetter(0))
return result
