#385: Add currency selection

[BauZee]

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	aura-historia-staging	ed903d7	Commit Preview URL Branch Preview URL	Apr 14 2026, 09:20 PM

[BauZee]

For me, the currency selection is a user preference. That’s why it’s stored in UserPreferences, just like trackingConsent.

Specifically, this means that the value(currency) it’s stored in localStorage (so it’s still there after a page reload) and in a cookie (so the server already knows the currency when the page first loads and renders it directly in the correct currency).

For users who log in, the same thing happens, plus backend sync is added, which means, the backend value (currency) overrides the local value (localStorage) because the selector reads the currency from UserPreferences (and those are stored in localStorage). This ensures that the backend value is always displayed after login and that the setting is preserved across devices. And when a logged-in user changes the currency, localStorage and the cookie are updated immediately, and a PATCH request is sent to the backend at the same time, of course.

[bruderj15]

Dropdown entries aren't aligned.

[lfranke42]

Currency selection doesn't survive refresh. Get's reset back to default euro when not signed in.

[bruderj15]

@BauZee please note the changes here: https://github.com/aura-historia/internal-api/blob/master/CHANGELOG.md#2026-04-13---expanded-currency-support-backend822

A whole lot more currencies have been added. All of them are to be fully supported.

EDIT: Not yet deployed

[BauZee]

@BauZee please note the changes here: https://github.com/aura-historia/internal-api/blob/master/CHANGELOG.md#2026-04-13---expanded-currency-support-backend822

A whole lot more currencies have been added. All of them are to be fully supported.

EDIT: Not yet deployed

Let me know when it's deployed

[bruderj15]

On e.g. search results the ISO 4217 currency codes are displayed for some currencies. Can you instead display the currency-symbol there?
(Everywhere where currencies are displayed, nut just search).

Also revisit the actual formatting.
Some currencies use , over ..
Some prefix the currency-sign, some postfix it.

[lfranke42]

Also revisit the actual formatting.
Some currencies use , over ..
Some prefix the currency-sign, some postfix it.

This should be tied to the locale, not the currency. As far as I can tell this is currently implemented correctly.

[BauZee]

On e.g. search results the ISO 4217 currency codes are displayed for some currencies. Can you instead display the currency-symbol there? (Everywhere where currencies are displayed, nut just search).

Also revisit the actual formatting. Some currencies use , over .. Some prefix the currency-sign, some postfix it.

On e.g. search results the ISO 4217 currency codes are displayed for some currencies. Can you instead display the currency-symbol there? (Everywhere where currencies are displayed, nut just search).

Also revisit the actual formatting. Some currencies use , over .. Some prefix the currency-sign, some postfix it.

Symbols are now used everywhere instead of ISO currency codes. This was generated automatically by Intl.NumberFormat, but I am now replacing the ISO currency codes with the corresponding symbols.

Regarding the second point: We use Intl.NumberFormat with the user locale everywhere -> this automatically handles the decimal separators (i.e., , & .), as well as the thousands separators and symbol position (prefix/postfix) correctly based on the selected language, so it’s already set up correctly.

[bruderj15]

Fine from my side

[lfranke42]

Currency still resets when refreshing the page, also the currency button has a differnt border then the language selection button. They should look the same imo

[sonarqubecloud]

Quality Gate failed

Failed conditions
69.7% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud

[BauZee]

Currency still resets when refreshing the page, also the currency button has a differnt border then the language selection button. They should look the same imo

That was my mistake, I accidentally added a fallback that kept overriding the saved currency. Reverted it as it was, works now.
Borderstyle is now the same like language. I also added a max-height so the selector isn't so tall, but is limited so you can scroll within it. If more currencies are added later, it won't get any bigger. The problem is that by default, there isn't a scrollbar here, just these weird arrows that the component library provides :/

[lfranke42]

I've noticed that we also need to make the price filter on the search page dynamic. It's currently hardcoded to Euro. I can also adjust it in my PR though, as I'm already touching all the filters anyways.