* Change `age:` metatag to require time units. This means e.g.
`age:<600` no longer works; instead you have to say `age:<600sec`.
* Allow time units in the `age:` metatag to be abbreviated as long as
they're unambiguous. This means `age:<60sec`, `age:<5min`, and
`age:<5mon` now work, in addition to `age:<60s` and `age:<60seconds`.
* Allow the `ratio:` metatag to be written like `ratio:16/9` in addition
to `ratio:16:9`.
* Fix invalid date searches like `date:foo` or `date:05-15-2021`
to return nothing instead of raising an "undefined method
'beginning_of_day' for nil" exception. (`date:05-15-2021` is invalid
because it's parsed as DD-MM-YYYY).
* Fix invalid searches like `score:foo`, `ratio:foo`, and `mpixels:foo`
to return nothing instead of being treated like `score:0`, `ratio:0`,
`mpixels:0`.
* Fix `age:<60m` to return nothing instead of silently being treated
like `age:<60seconds`.
* Fix `age:foo` to return nothing instead of silently being treated like
`age:0d` (return all uploads from today).
Fixes#4389.
This directory contains library code used through Danbooru. This includes things like defining API clients, dealing with
sources, parsing tag searches, storing and resizing images, and so on.
Many of the files here use the Service Object pattern. Instead of putting complex code in models or controllers, it goes
here, in plain old Ruby objects (POROs). This keeps models and controllers simpler, and keeps domain logic isolated and
independent from the database and the HTTP request cycle.
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