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PoC: Emit events on files_versions frontend actions to allow apps to hook into them #26023

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juliusknorr
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Apps might offer the possibility to view certain versions of a file in their viewer and revert to older versions during editing. In order to achieve this in a more sane way than just attaching to click events this PR adds generic events for the actions that the files_versions sidebar triggers.

  • files_versions:restore:started
  • files_versions:restore:finished
  • files_versions:restore:failed
  • files_versions:download:triggered

In addition to the version info and file info that is passed with the events the preventDefault property can be used by the apps to stop before the files_versions app executes the actual logic, e.g. for Collabora we need to wait for the Collabora server to be ready before we execute the actual MOVE action to restore a file.

…into them

Signed-off-by: Julius Härtl <jus@bitgrid.net>
@icewind1991
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Collabora we need to wait for the Collabora server to be ready before we execute the actual MOVE action to restore a file.

What about instead of canceling the restore operation, allow the event handlers to return a Promise for files_versions to wait on before continuing.

@skjnldsv
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What about instead of canceling the restore operation, allow the event handlers to return a Promise for files_versions to wait on before continuing.

Not possible, events are async and should not block the main process. This is prone to failure. I think this approach is the cleaner and safer :)

This was referenced May 20, 2021
@blizzz blizzz mentioned this pull request Jun 2, 2021
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@blizzz
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blizzz commented Jun 2, 2021

CI is unhappy, js needs a rebuild. 22 or move to 23?

@MorrisJobke MorrisJobke mentioned this pull request Jun 10, 2021
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@blizzz blizzz mentioned this pull request Jun 16, 2021
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blizzz commented Jun 16, 2021

ping @juliushaertl

@juliusknorr juliusknorr added 2. developing Work in progress and removed 3. to review Waiting for reviews labels Jun 16, 2021
@skjnldsv skjnldsv mentioned this pull request Oct 13, 2021
@skjnldsv skjnldsv modified the milestones: Nextcloud 23, Nextcloud 24 Oct 21, 2021
@skjnldsv skjnldsv mentioned this pull request Mar 24, 2022
@blizzz blizzz mentioned this pull request Mar 31, 2022
This was referenced Apr 7, 2022
@blizzz blizzz modified the milestones: Nextcloud 24, Nextcloud 25 Apr 21, 2022
@juliusknorr
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Closing for now

@juliusknorr juliusknorr closed this Aug 1, 2022
@skjnldsv skjnldsv deleted the enh/files_versions_events branch March 14, 2024 07:42
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5 participants