Mothblocks 36956cf59d Add system for safely manipulating JSON databases and apply it to photo albums and photo frames (#80519) ...

We frequently have issues with data loss in our long storage .json files
for various reasons, such as the file being completely blanked out on
write etc.

This introduces a system that tries to safely handle that by saving the
known working json file into a backup that will be loaded in the case a
write fails.

This system queues updates in order to send through to the next tick.
This is an improvement over the existing implementation of photo albums
and photo frames (I think all persistence, even) which do not save until
the end of a properly rebooted round, but not during a server crash.

Also saves the jsons in pretty prints, which make them easier to read
but especially make them easier to diff in a git repository, which MSO
wants to setup (and hopefully make public so I can make a dashboard on
bus.moth.fans for looking at photo albums and their history, which is
something I've wanted to do for a very long time).

## Changelog
🆑
refactor: Photo albums and photo frames are now more resilient to data
loss, especially when a server crashes.
/🆑

2023-12-28 15:40:43 +01:00

3.8 KiB

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