2 commits

Author	SHA1	Message	Date
Alexander Hess	b61db734b6	Add OrderHistory.make_horizontal_time_series() ... - the method slices out a horizontal time series from the data within an `OrderHistory` object	2021-01-09 16:34:42 +01:00
Alexander Hess	65d1632e98	Add OrderHistory class ... - the main purpose of this class is to manage querying the order totals from the database and slice various kinds of time series out of the data - the class holds the former `aggregate_orders()` function as a method - modularize the corresponding tests - add `tests.config` with globals used when testing to provide a single source of truth for various settings	2021-01-09 16:29:58 +01:00