Mechanism to take Leaf off-line temporarily for maintenance

[artgoldberg]

It would be handy to automatically take Leaf off-line temporarily for maintenance.

Please see discussion #446 .

Thanks
Arthur

[artgoldberg]

A related question is "What queries should be executed against the LeafDB to determine whether it is being actively used?" While I know that we need to create a dev instance, we don't have one yet. I want to take Leaf off-line without disrupting current users.

[artgoldberg]

Top priority
Upon further reflection, the most useful advice for me currently would be instructions on how to add a text banner to Leaf in the blank space on the top left. (See image.)

I know it will require changing code in leaf/src/ui-client/src/components but I'm not enough of a UI hacker to figure out how to make the change. With the ability to create a banner, I can announce regular times when Leaf is unavailable (such as every evening from 8 to 11 pm), and all Leaf users will see the announcements. And if I want to change the times, I can wait until the next time period and change the announcement.

Thanks
Arthur

[mh2727]

Hi @artgoldberg

To help you get started to implement this change in Leaf, you can edit this file: https://github.com/uwrit/leaf/blob/master/src/ui-client/src/containers/Header/Header.tsx.

Notice the Header.tsx file has a Navbar tag starting at line 56. You should be able to add your HTML in that section there to display the information.

There may or may not be CSS changes that need to be made to ensure the UI behaves as expected. The CSS file can be located here: https://github.com/uwrit/leaf/blob/master/src/ui-client/src/containers/Header/Header.css.

Hopefully this helps with your request.

--
Mehadi Hassan

[artgoldberg]

Thanks Mehadi, I’ll work on it.

[ndobb]

@artgoldberg, I think there may be a few interrelated features to be added here that could help most Leaf sites. Let's discuss at our next chat. I don't think adding them would be too heavy a lift.