Get Exchange Rate by Source (#19)

* Get Exchange Rate by Source

* Remove trailing new lines

qbosdk/apis/exchange_rates.py

@@ -10,6 +10,7 @@ class ExchangeRates(ApiBase):
 
     GET_EXCHANGE_RATES = "/query?query=select * from ExchangeRate where AsOfDate = '{0}' STARTPOSITION " \
                          "{1} MAXRESULTS 1000"
+    GET_EXCHANGE_RATES_BY_SOURCE = "/exchangerate?sourcecurrencycode={0}"
 
     def get(self, as_of_date: str = None):
         """
@@ -22,3 +23,12 @@ def get(self, as_of_date: str = None):
 
         ExchangeRates.GET_EXCHANGE_RATES = ExchangeRates.GET_EXCHANGE_RATES.format(as_of_date, '{0}')
         return self._query_get_all('ExchangeRate', ExchangeRates.GET_EXCHANGE_RATES)
+
+    def get_by_source(self, source_currency_code: str):
+        """
+        Get all the exchange rates
+        :param as_of_date: date to get rates for (1 day prior if left empty)
+        :return: List of Dicts for exchange rates
+        """
+        return self._get_request(
+            'ExchangeRate', self.GET_EXCHANGE_RATES_BY_SOURCE.format(source_currency_code))

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name='qbosdk',
-    version='0.15.0',
+    version='0.16.0',
     author='Shwetabh Kumar',
     author_email='[email protected]',
     description='Python SDK for accessing Quickbooks Online APIs',