feat(SW-2466): Sorting destinations by country depending on language

Approved-by: Christian Andolf Approved-by: Matilda Landström
2025-06-02 09:38:20 +00:00
parent 9aa5c294a3
commit 9a868e6fe5
2 changed files with 64 additions and 9 deletions
@@ -0,0 +1,56 @@
+import { Lang } from "@/constants/languages"
+
+import type { DestinationsData } from "@/types/components/destinationOverviewPage/destinationsList/destinationsData"
+import { ApiCountry, Country } from "@/types/enums/country"
+
+/**
+ * Sorts destination data based on language preference:
+ * - en: alphabetical order
+ * - de: Germany first, then alphabetical
+ * - da: Denmark first, then alphabetical
+ * - no: Norway first, then alphabetical
+ * - sv: Sweden first, then alphabetical
+ * - fi: Finland first, then alphabetical
+ *
+ * @param destinations DestinationsData
+ * @param language Lang
+ * @returns Sorted array of destinations
+ */
+export function getSortedDestinationsByLanguage(
+  destinations: DestinationsData,
+  language: Lang
+) {
+  const destinationsToSort = [...destinations]
+  const firstCountryByLanguage: Record<Lang, Country | null> = {
+    [Lang.de]: Country.Germany,
+    [Lang.da]: Country.Denmark,
+    [Lang.no]: Country.Norway,
+    [Lang.sv]: Country.Sweden,
+    [Lang.fi]: Country.Finland,
+    [Lang.en]: null,
+  }
+
+  const firstCountry = firstCountryByLanguage[language]
+
+  // If no country is defined for this language, sort alphabetically
+  if (!firstCountry) {
+    return destinationsToSort.sort((a, b) =>
+      a.country.localeCompare(b.country, language)
+    )
+  }
+
+  // Get the localized name of the first country
+  const localizedCountryName = ApiCountry[language][firstCountry]
+
+  return destinationsToSort.sort((a, b) => {
+    if (a.country === localizedCountryName) {
+      return -1
+    }
+
+    if (b.country === localizedCountryName) {
+      return 1
+    }
+
+    return a.country.localeCompare(b.country, language)
+  })
+}