Hi I am getting my Data from Quandl. However there are different data providers with different data providing styles "looks like".

In the Qunadl class from lean I cann see there will always be a csv returned so I created my own custom data class.

Now in my reader I get the whole json file instead of the current day, but I also don't want to make a http request for every "day" I'm testing..

How can I make the reader return it in bits if possible or other ways of implementing this?

the request I do is here: