feat: wire i18n services and shared UI

2026-07-19 03:06:56 +03:00
parent 805beccf95
commit 826410f53e
11 changed files with 1330 additions and 0 deletions
@@ -0,0 +1,82 @@
+import { cookies, headers } from "next/headers";
+import { cache } from "react";
+import { DEFAULT_LOCALE } from "../../lib/i18n";
+import { getSessionContextFromHeaders } from "../auth/session";
+import { getSqliteConnection } from "../db/client";
+import { clients, instanceI18nSettings, instanceLocales, userPreferences } from "../db/schema";
+import { eq } from "drizzle-orm";
+import { directionForLocale, LOCALE_COOKIE, normalizeLocaleCode } from "./locale";
+
+export type ResolvedLocale = {
+  locale: string;
+  requestedLocale: string | null;
+  defaultLocale: string;
+  direction: "ltr" | "rtl";
+  source: "user" | "client" | "cookie" | "instance" | "fallback";
+};
+
+export const resolveRequestLocale = cache(async (): Promise<ResolvedLocale> => {
+  const requestHeaders = await headers();
+  const cookieStore = await cookies();
+  const context = await getSessionContextFromHeaders(requestHeaders);
+  const { db } = getSqliteConnection();
+
+  const settings = db.select().from(instanceI18nSettings).where(eq(instanceI18nSettings.key, "default")).get();
+  const defaultLocale = settings?.defaultLocale ?? DEFAULT_LOCALE;
+  const cookieLocale = normalizeLocaleCode(cookieStore.get(LOCALE_COOKIE)?.value);
+  let requestedLocale: string | null = null;
+  let source: ResolvedLocale["source"] = "fallback";
+
+  if (context?.profile.role === "client" && context.profile.clientId) {
+    requestedLocale = normalizeLocaleCode(
+      db
+        .select({ portalLocale: clients.portalLocale })
+        .from(clients)
+        .where(eq(clients.id, context.profile.clientId))
+        .get()?.portalLocale,
+    );
+    source = requestedLocale ? "client" : source;
+  }
+
+  if (!requestedLocale && context) {
+    requestedLocale = normalizeLocaleCode(
+      db
+        .select({ language: userPreferences.language })
+        .from(userPreferences)
+        .where(eq(userPreferences.ownerUserId, context.profile.authUserId))
+        .get()?.language,
+    );
+    source = requestedLocale ? "user" : source;
+  }
+
+  if (!requestedLocale && cookieLocale) {
+    requestedLocale = cookieLocale;
+    source = "cookie";
+  }
+
+  if (!requestedLocale) {
+    requestedLocale = defaultLocale;
+    source = "instance";
+  }
+
+  const localeRow = db
+    .select({
+      code: instanceLocales.code,
+      status: instanceLocales.status,
+      textDirection: instanceLocales.textDirection,
+    })
+    .from(instanceLocales)
+    .where(eq(instanceLocales.code, requestedLocale))
+    .get();
+  const locale = localeRow && localeRow.status !== "archived"
+    ? localeRow.code
+    : defaultLocale || DEFAULT_LOCALE;
+
+  return {
+    locale,
+    requestedLocale,
+    defaultLocale,
+    direction: directionForLocale(locale, localeRow?.textDirection),
+    source,
+  };
+});