[wp-trac] [WordPress Trac] #50448: Add tolerance to plugin and theme auto-update failure emails

[WordPress Trac]

#50448: Add tolerance to plugin and theme auto-update failure emails
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 Reporter:  desrosj                 |       Owner:  (none)
     Type:  defect (bug)            |      Status:  new
 Priority:  normal                  |   Milestone:  5.5
Component:  Administration          |     Version:  trunk
 Severity:  normal                  |  Resolution:
 Keywords:  has-patch dev-feedback  |     Focuses:
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Comment (by desrosj):

 I've been working through this one over on GitHub with @arpitgshah. My
 [https://github.com/WordPress/wordpress-
 develop/pull/374#pullrequestreview-441976846 latest push to that PR] has
 some refined code I think is getting close.

 I took the following approach:
 - When a failure email is being sent, only send an email if there is a
 **new** failure in the list. When there is a new failure in the list, the
 email needs to go out anyways, so it's OK to include other failures that
 may have been sent too recently.
 - When a mixed email is sent, that means there are new successful updates.
 An email is going out anyways for those updates, so include the failure
 info as well (even if it is too recent).

 The only scenario that is not addressed in the recent patch is when the
 user goes manually applies an update, whether through clicking update in
 the dashboard or by uploading a new version of the plugin or theme
 manually.

 For the first scenario, it would probably be an edge case for someone to
 update a plugin and then have a failure within 3 days. But if the interval
 is filtered to a larger number, it could be more common. The new option
 can probably be checked when plugins upgrade manually as well.

 For the second scenario, I don't know that there is a standardized way to
 tell if a new plugin version was updated manually. but I could be wrong.

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Ticket URL: <https://core.trac.wordpress.org/ticket/50448#comment:6>
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