Forces retrieval of historic exchange rates for a single date

• date is a date returned by Date.new/3 or any struct with the elements :year, :month and :day or

• a Date.Range.t created by Date.range/2 that specifies a range of dates to retrieve

Returns:

• {:ok, rates} if exchange rates request is successfully sent.

• {:error, reason} if the request cannot be send.

Sends a message ot the exchange rate retrieval worker to request historic rates for a specified date or range be retrieved and stored.

This function does not return exchange rates, for that see Money.ExchangeRates.latest_rates/0 or Money.ExchangeRates.historic_rates/1.

Forces retrieval of historic exchange rates for a range of dates

• from is a date returned by Date.new/3 or any struct with the elements :year, :month and :day.

• to is a date returned by Date.new/3 or any struct with the elements :year, :month and :day.

Returns:

• {:ok, rates} if exchange rates request is successfully sent.

• {:error, reason} if the request cannot be send.

Sends a message to the exchange rate retrieval process for each date in the range from..to to request historic rates be retrieved.