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atul
ginsu

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rCOMM9fa20317fb62: [web] Prevent changing the only admin role in a community

Summary

We need to prevent the only admin from removing themselves as Admins in a community. Based on the designs, we should display an error in the modal indicating why the saved role changes failed.

https://linear.app/comm/issue/ENG-4041/prevent-changing-the-only-admin-role-in-a-community

Depends on D8200

Test Plan

Please see the video below covering the cases of changing the only admin role

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Event Timeline

rohan created this revision.Jun 7 2023, 5:11 AM

Herald added subscribers: tomek, ashoat. · View Herald TranscriptJun 7 2023, 5:11 AM

rohan added a child revision: D8142: [lib] Update robotext for role changes.Jun 7 2023, 5:12 AM

Harbormaster completed remote builds in B20083: Diff 27518.Jun 7 2023, 5:29 AM

rohan requested review of this revision.Jun 7 2023, 5:29 AM

rohan edited the test plan for this revision. (Show Details)Jun 7 2023, 5:42 AM

rohan attached a referenced file: F575275: Screen Recording 2023-06-07 at 8.41.15 AM.mov. (Show Details)

ashoat added inline comments.Jun 7 2023, 2:17 PM

web/modals/threads/members/change-member-role-modal.react.js
97–107	Is this code copy-pasted from somewhere? Can it be factored out instead?

Use the otherUsersButNoOtherAdmins selector

Fix errorMessage string literal

Rebase

Harbormaster completed remote builds in B20099: Diff 27542.Jun 8 2023, 6:22 AM

Harbormaster completed remote builds in B20100: Diff 27543.

Harbormaster completed remote builds in B20105: Diff 27548.Jun 8 2023, 6:32 AM

Rebase on D8136

Harbormaster completed remote builds in B20133: Diff 27583.Jun 9 2023, 11:35 AM

Seems a little weird to me from a product standpoint, but code looks correct.

web/modals/threads/members/change-member-role-modal.react.js
38 ↗	(On Diff #27583)	I would instead name this something like `shouldErrorMessageBeDisplayed` or `errorMessageVisible` or `isErrorMessageVisible` or anything more "declarative"?
66–98 ↗	(On Diff #27583)	It seems weird that we're creating `showErrorMessage` state to determine whether or not to show the error message within `errorMessage` when the user tries to save. It would make more sense to me to prevent the user from getting to a state where they can submit a request for an action that we already know can't be completed. I'd prefer to gray out the dropdown and button with a little info box explaining what the action isn't possible. CC @ashoat @ted for their thoughts.