@diosmosis opened this Pull Request on November 3rd 2019 Member

and add extra _change_from metric to support API calculation of from change percent when there are more than two periods.


  • add invert_compare_change_compute query parameter that computes change to the selected period. this is done so clients don't have to do any strange work to get the change_from value from the other comparison series. useful for the mobile app, eg.
  • add _change_from metrics to the output. This allows users to get the new metrics that are displayed through the API when any number of periods are compared.
@tsteur commented on November 17th 2019 Member

@diosmosis is this UI change expected? https://builds-artifacts.matomo.org/matomo-org/matomo/comparison-percents-ui/36774/Comparison_totals_tooltip.png

In https://builds-artifacts.matomo.org/matomo-org/matomo/comparison-percents-ui/36774/Comparison_visits_overview_widget.png


do we still expect the first row to show the minus or should maybe the second have the plus percentage? I guess we wouldn't want to mix the behaviour as it would be inconsistent. (not 100% sure why we're making this change that's why I'm asking I guess)

BTW there's also at least one system test failing.

Code looks good otherwise

@diosmosis commented on November 17th 2019 Member

You're comparing 12-17 w/ 1-31, so it's showing the change from 1-31 => 12-17, ie, jan 12-17 is 42% lower when compared with jan 1-31, so it's correct.

This Pull Request was closed on November 18th 2019
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