Top up functionality

[OlafHaalstra]

To be able to budget on seperate accounts sometimes you want to 'top up' your account to a certain amount. For example every month I want to be able to spend 50€ on beer from my beer account.

In IFTTT you can create montly triggers but it is currently not possible to top up your account from a savings account (or any other) to a certain dedicated account.

This pull request creates this functionality. What is still missing is:

• Documentation for the wiki
• A more efficient way to fetch the balance of the target monetary account (currently this goes via updating all bunq accounts)

[OlafHaalstra]

Btw, awesome project! I was able to very quickly implement additional functionality and even got the whole project working from my mobile phone.

We can discuss a little bit if you think this functionality should be implemented and how.

[OlafHaalstra]

When playing around with IFTTT it becomes clear that it even would be better if:

• ifttt/v1/actions/bunq_topup/fields/source_account/options would return the top up amount as well for ingredients to provide a better verbiage.

[woudt]

Thanks! I will have a look at this somewhere in the next few days...

[woudt]

Ok, so I have taken your suggestion, but decided to make it a bit more generic. Using two new 'target balance' actions, you can top up your account in the same way your code allows, but also:

• skim an excess balance away to another account
• use draft payments (instead of only direct payments)
• even use payment requests to top up from an account at e.g. another bank

I am therefore closing this pull request, but thank you so much for the suggestion!

[OlafHaalstra]

Great! Thanks for your effort, I will make sure to update to your version.