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[lib] DMOperationSpec for change thread settings operation
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Authored by tomek on Jul 25 2024, 8:47 AM.
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Summary
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Tested that processing the operation with changed name and color results with these values being updated both in Redux and in the DB (on web).

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Harbormaster returned this revision to the author for changes because remote builds failed.Jul 25 2024, 8:48 AM
Harbormaster failed remote builds in B30669: Diff 42773!
Harbormaster returned this revision to the author for changes because remote builds failed.Jul 25 2024, 9:10 AM
Harbormaster failed remote builds in B30672: Diff 42776!
tomek requested review of this revision.Jul 26 2024, 3:30 AM
lib/shared/dm-ops/change-thread-settings-spec.js
82–91 ↗(On Diff #42823)

Can we instead create a function that calculates the threadInfo for add members operation, and use it here and in addMembersSpec. I really don't like that we have a hidden dependency addMembersSpec implementation details (by checking for UPDATE_THREAD/JOIN_THREAD)

104–117 ↗(On Diff #42823)

This looks like validation of the chats name. Can we have a function for this validation? It should probably be used in other places, like when we first get thread infos...
It also feels like we should do something if this check fails. If the current user is the one performing the update, they should probably be informed that the name is invalid.

128 ↗(On Diff #42823)

It seems odd that all those things like color.toLowerCase() and const name = firstLine(untrimmedName); are performed on each client, not on the one creating the operation.

181 ↗(On Diff #42823)

Should we set the unread status?

tomek marked an inline comment as done.

Extract common logic

lib/shared/dm-ops/change-thread-settings-spec.js
82–91 ↗(On Diff #42823)

Makes sense!

104–117 ↗(On Diff #42823)

We're validating this on the client side in the inputs.

It also feels like we should do something if this check fails. If the current user is the one performing the update, they should probably be informed that the name is invalid.

Our UI should handle that. This code mostly protects us against clients who send invalid data.

128 ↗(On Diff #42823)

I am not sure if we should trust other clients to send the correct data. Created a task https://linear.app/comm/issue/ENG-8907/validate-operations-input to track the validation.

Should we set the unread status?

lib/shared/dm-ops/change-thread-settings-spec.js
45

Is this to make the ids unique?

This revision is now accepted and ready to land.Jul 31 2024, 2:22 AM
In D12881#366124, @inka wrote:

Should we set the unread status?

Yes, you're right!

lib/shared/dm-ops/change-thread-settings-spec.js
45

Yes. We perform the same operation on keyservers. I'm not sure if we have to do it, but it also doesn't hurt and is safer.

tomek planned changes to this revision.Aug 1 2024, 5:40 AM

Set unread status and create a custom changes field

This revision is now accepted and ready to land.Aug 1 2024, 5:53 AM

Revert validators change

In D12881#366124, @inka wrote:

Should we set the unread status?

Yes, you're right!

I wonder if it would be better to handle this as a "side effect" of the main processDMOperation. We could take a similar approach to updating the replies count.

We would need to check all of the rawMessageInfos, as well as any messages in the updateInfos, to see if any new messages are introduced that aren't from the viewer. This could potentially be done in useProcessDMOperation. Potentially mergeUpdatesWithMessageInfos could be helpful for extracting the messages from the updates.

@tomek, what do you think? A unified approach would mitigate the risk of the programmer forgetting to handle it in a specific case, and it would reduce code duplication.

In D12881#366124, @inka wrote:

Should we set the unread status?

Yes, you're right!

I wonder if it would be better to handle this as a "side effect" of the main processDMOperation. We could take a similar approach to updating the replies count.

We would need to check all of the rawMessageInfos, as well as any messages in the updateInfos, to see if any new messages are introduced that aren't from the viewer. This could potentially be done in useProcessDMOperation. Potentially mergeUpdatesWithMessageInfos could be helpful for extracting the messages from the updates.

@tomek, what do you think? A unified approach would mitigate the risk of the programmer forgetting to handle it in a specific case, and it would reduce code duplication.

Makes sense! Created a task to track https://linear.app/comm/issue/ENG-8930/unify-the-approach-to-replies-count-and-unread-status-updates, because creating a new diff on top of this stack is more efficient than updating all the diffs.