- Add a new i18n key for the content of the tooltip: js.shopfront.unit_price_tooltip.admin
- Display unit price readonly field near the price field
- Still fake values, needs to be updated
This fixes the following deprecation warnings
```
DEPRECATION WARNING: `config.serve_static_files` is deprecated and will be removed in Rails 5.1.
Please use `config.public_file_server.enabled = true` instead.
(called from block in <top (required)> at /home/runner/work/openfoodnetwork/openfoodnetwork/config/environments/test.rb:13)
DEPRECATION WARNING: `config.static_cache_control` is deprecated and will be removed in Rails 5.1.
Please use
`config.public_file_server.headers = { 'Cache-Control' => 'public, max-age=3600' }`
instead.
(called from block in <top (required)> at /home/runner/work/openfoodnetwork/openfoodnetwork/config/environments/test.rb:14)
```
This removes the deprecation warning:
```
[WARNING] The default currency will change from `USD` to `nil` in the
next major release. Make sure to set it explicitly using
`Money.default_currency=` to avoid potential issues
```
This removes the deprecation warning:
```
[WARNING] The default rounding mode will change from `ROUND_HALF_EVEN`
to `ROUND_HALF_UP` in the next major release. Set it explicitly using
`Money.rounding_mode=` to avoid potential problems.
```
by specifying the default rounding mode at boot time so that it's only
set once for the whole app. See
https://github.com/RubyMoney/money#rounding for details.
We set this value to `true` unconditionally in an initializer, and then check the value in various places via Spree::Config. It's never false, and it's not configurable, so we can just drop it and remove the related conditionals. 🔥
This will log any N+1 it finds, pointing to the line causing it and
a way to solve it, aka. which `#includes` to add. Like so
```
web_1 | GET /admin/order_cycles.json?ams_prefix=index&q%5Borders_close_at_gt%5D=Sun+Jan+31+2021+00:00:00+GMT%2B0100+(Central+European+Standard+Time)
web_1 | USE eager loading detected
web_1 | OrderCycle => [:coordinator]
web_1 | Add to your query: .includes([:coordinator])
web_1 | Call stack
web_1 | /usr/src/app/app/serializers/api/admin/index_order_cycle_serializer.rb:41:in `coordinator'
web_1 | /usr/src/app/app/controllers/spree/admin/base_controller.rb:98:in `render_as_json'
web_1 | /usr/src/app/app/controllers/admin/order_cycles_controller.rb:17:in `block (2 levels) in index'
web_1 | /usr/src/app/app/controllers/admin/order_cycles_controller.rb:14:in `index'
web_1 | bin/rails:4:in `require'
web_1 | bin/rails:4:in `<main>'
```
We gave a try at Bullet long ago and abandoned it because it's not
a silver bullet (pun intended) due to false positives. However, it's
pretty clear that this won't happen often; we have endless N+1 still to fix.
I recently experienced how, relying on Bullet made it just extra 30s to fix
additional N+1s other than the one I was fixing. Usually, finding the
culprit line takes me more of 30min.
