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Re: [grouper-dev] Hooks and the UI....

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  • From: "Gettes, Michael" <>
  • To: "Black, Carey M." <>
  • Cc: "" <>
  • Subject: Re: [grouper-dev] Hooks and the UI....
  • Date: Wed, 13 Mar 2019 03:33:30 +0000

I believe work has been going on with “workflow” and “approvals”. I am
particularly interested in the approvals. Seems like what you want to do
might be similar to that sort of processing - of course, I have zero idea of
how workflow/approvals are being implemented. Maybe it will save you a lot
of time/effort? Maybe not.


> On Mar 12, 2019, at 11:24 PM, Black, Carey M. <> wrote:
> All,
> I have a desire to have a Hook "do work for the user" then "redirect them"
> to a different UI page. But I am not sure how to go about it.
> Specifically I am thinking this.
> 1) User adds a membership to a group.
> 2) Hook auto adds attributes assigned to the membership ( maybe in a
> postCommit Membership hook) [ based on attrs on the group and elsewhere...]
> 3) ( Take over the world. Er.... ) Send the user to a UI page where
> the user would be able to add values to the attributes that were just
> assigned to the membership.
> Out of scope for this question... When all values are
> supplied by a user, then a change log consumer would do some
> "provisioning/deprovisioning" work to another system.
> Normally the user lands on a URL like :
> /grouperUi/app/UiV2Main.index?operation=UiV2Group.viewGroup&groupId=<groupID>
> after adding a membership to a group.
> I want them to land on this URL instead.
> /grouperUi/app/UiV2Main.index?operation=UiV2MembershipAttributeAssignment.viewAttributeAssignments&groupId=<groupID>
> &subjectId=<subject_ID_that_was_assigned_a_Membership>&sourceId=<subject_source_id>
> Which the user could navigate to in the UI by doing all of the
> following:
> ( Starting from the "normal" outcome.)
> Click on the subject that is a member that was just added. (
> maybe after finding them in the list of memberships)
> -->/grouperUi/app/UiV2Main.index?operation=UiV2Subject.viewSubject&subjectId=<subject_ID_that_was_assigned_a_Membership>&sourceId=<subject_source_id>
> Find the "Membership" that was just created in all of the
> users Memberships
> Click the "actions" menu button at the end of the row
> Select the "Attribute Assignments" option.
> --> Get to the URL I want them at.
> I did read though the hooks docs ( again ) and I did see something that
> might work ( maybe? ).
> RE: " Some of the built-in values for the attributes are:
> HttpServletRequest, HttpServletResponse, HttpSession (Http classes for UI
> and WS only). "
> So I have some access to the HttpServletResponse object, but.... is
> it safe to call a "sendRedirect(URL) " during a Hook? ( I am thinking
> postCommit after doing the rest of the "attribute work" for the hook.)
> Or is there a "designed way" to achieve my goals? ( Maybe a specific
> "hook attribute" that I should set instead of calling sendRedirect myself? )
> Also... IF I whisk the user away to a different URL....
> Will there be any issues with later Hooks that might still be waiting
> to be processed? ( My hope is they will still all fire "as normal". If they
> veto.....??? the Veto shows up on the redirected URL? ( or is just eaten
> because of the redirect? )
> BTW: My second idea was to "fix" the action button on the group "member" UI
> to have the "Attribute Assignments". ( Still the user would need to find
> the person they just added. Not as useful as being auto routed there, but
> that would likely be much less work for me and does not seem to be
> unreasonable. Even better if the sort order was somehow set to "newest
> members at the top" for the list. :) )
> So if you want to point me in the right direction to patch a 2.3 UI
> that way, I would be open for that too.....
> To be fair, I really want that button option anyways.... And I want
> the hook to auto send the user there too. ( Yea.. I like to have my cake
> and eat it too. )
> Thanks in advance/clue bricks. :)
> --
> Carey Matthew

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