Cache rates results until then db data will not change

[anufry]

Now it has so much DB queries as tag occurs in template

[anufry]

it will be ok to save cache here: https://github.com/panosl/django-currencies/blob/ad87df2bc5f3c88726f3108e5323530f3f23398b/currencies/utils.py#L7

and clear it on model save()

[panosl]

it will be ok to save cache here:

https://github.com/panosl/django-currencies/blob/ad87df2bc5f3c88726f3108e5323530f3f23398b/currencies/utils.py#L7

and clear it on model save()

If you want to create a pull request with what you have in mind, we can go over it and see if it can be incorporated.

[anufry]

Hello, I've created pull request, thank you for your attention!