feat: Add TRPC procedure for hotel API, schemas, and use in hotel content page

constants/languages.ts

@@ -7,7 +7,7 @@ export enum Lang {
   de = "de",
 }
 
-export const languages = {
+export const languages: Record<Lang, string> = {
   [Lang.da]: "Dansk",
   [Lang.de]: "Deutsch",
   [Lang.en]: "English",
@@ -16,7 +16,7 @@ export const languages = {
   [Lang.sv]: "Svenska",
 }
 
-export const localeToLang = {
+export const localeToLang: Record<string, Lang> = {
   en: Lang.en,
   "en-US": Lang.en,
   "en-GB": Lang.en,
@@ -56,12 +56,6 @@ export const localeToLang = {
   "se-NO": Lang.no,
 } as const
 
-export function findLang(pathname: string) {
-  return Object.values(Lang).find(
-    (l) => pathname.startsWith(`/${l}/`) || pathname === `/${l}`
-  )
-}
-
 export const languageSelect = [
   { label: "Danish", value: "Da" },
   { label: "German", value: "De" },
@@ -70,3 +64,38 @@ export const languageSelect = [
   { label: "Norwegian", value: "No" },
   { label: "Swedish", value: "Sv" },
 ]
+
+// -- Lang util functions --
+
+export function findLang(pathname: string) {
+  return Object.values(Lang).find(
+    (l) => pathname.startsWith(`/${l}/`) || pathname === `/${l}`
+  )
+}
+
+// Helper function to convert API's (e.g. the Hotel endpoint) capitalized values to Lang enum.
+export function fromUppercaseToLangEnum(lang: string): Lang | undefined {
+  const lowerCaseLang = lang.charAt(0).toLowerCase() + lang.slice(1)
+  return Object.values(Lang).find((l) => l === lowerCaseLang)
+}
+
+// Helper function to convert Lang enum to uppercase
+// Needed for certtain API (e.g. the Hotel endpoint).
+export const toUppercaseLang = (lang: Lang): string => {
+  switch (lang) {
+    case Lang.en:
+      return "En"
+    case Lang.sv:
+      return "Sv"
+    case Lang.no:
+      return "No"
+    case Lang.fi:
+      return "Fi"
+    case Lang.da:
+      return "Da"
+    case Lang.de:
+      return "De"
+    default:
+      throw new Error("Invalid language")
+  }
+}