[wp-trac] [WordPress Trac] #38027: Comments feed returns invalid timestamp in http headers when there are no comments

[WordPress Trac]

#38027: Comments feed returns invalid timestamp in http headers when there are no
comments
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 Reporter:  dllh                                   |       Owner:
     Type:  defect (bug)                           |      Status:  new
 Priority:  normal                                 |   Milestone:  4.7
Component:  Comments                               |     Version:
 Severity:  normal                                 |  Resolution:
 Keywords:  has-patch has-unit-tests dev-feedback  |     Focuses:
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Comment (by rachelbaker):

 @swissspidy I am not very familiar with the comment feeds, but I have a
 few thoughts:

 1. In `_transition_comment_status()` you appear to only handle when a
 comment becomes approved.  What about when a comment changes from approved
 to another status?
 2. `_transition_comment_status()` isn't a specific name for what the
 function does.  As it is written in your latest patch the function flushes
 the cache for comments when their status transitions.  Maybe there is a
 name that communicates this?

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Ticket URL: <https://core.trac.wordpress.org/ticket/38027#comment:8>
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