feat(BOOK-414): Added hotel branding themes to hotelpages

Approved-by: Matilda Landström

apps/scandic-web/utils/theme/index.ts

@@ -0,0 +1,28 @@
+import { headers } from "next/headers"
+
+import { PageContentTypeEnum } from "@scandic-hotels/trpc/enums/contentType"
+
+import { env } from "@/env/server"
+
+import { DEFAULT_THEME } from "./types"
+import { getHotelTheme } from "./utils"
+
+import type { Lang } from "@scandic-hotels/common/constants/language"
+
+export async function getThemeClass(lang: Lang): Promise<string> {
+  if (!env.HOTEL_BRANDING) {
+    return DEFAULT_THEME
+  }
+
+  const headersList = await headers()
+  const contentType = headersList.get("x-contenttype") || ""
+
+  const isHotelPage =
+    contentType && contentType === PageContentTypeEnum.hotelPage
+
+  if (isHotelPage) {
+    return await getHotelTheme(lang)
+  }
+
+  return DEFAULT_THEME
+}