From 0725c7b1605359ff0f49967c2c4c5b839dc385c7 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 24 Apr 2024 10:26:24 +0200
Subject: [PATCH] Restore getHassTranslationsPre109 (#20597)

* Revert "Remove legacy state translations (#20536)"

This reverts commit e376efc57920feab37e322f2276beaa31e17d0c0.

* keep
---
 src/data/translation.ts         | 11 +++++++++++
 src/state/translations-mixin.ts | 19 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/src/data/translation.ts b/src/data/translation.ts
index 82df04a11d..e4824b0e63 100644
--- a/src/data/translation.ts
+++ b/src/data/translation.ts
@@ -97,3 +97,14 @@ export const getHassTranslations = async (
   });
   return result.resources;
 };
+
+export const getHassTranslationsPre109 = async (
+  hass: HomeAssistant,
+  language: string
+): Promise<Record<string, unknown>> => {
+  const result = await hass.callWS<{ resources: Record<string, unknown> }>({
+    type: "frontend/get_translations",
+    language,
+  });
+  return result.resources;
+};
diff --git a/src/state/translations-mixin.ts b/src/state/translations-mixin.ts
index ea329c086e..be3158da08 100644
--- a/src/state/translations-mixin.ts
+++ b/src/state/translations-mixin.ts
@@ -1,3 +1,4 @@
+import { atLeastVersion } from "../common/config/version";
 import { fireEvent } from "../common/dom/fire_event";
 import { computeLocalize, LocalizeFunc } from "../common/translations/localize";
 import {
@@ -8,6 +9,7 @@ import { debounce } from "../common/util/debounce";
 import {
   FirstWeekday,
   getHassTranslations,
+  getHassTranslationsPre109,
   NumberFormat,
   saveTranslationPreferences,
   TimeFormat,
@@ -284,6 +286,23 @@ export default <T extends Constructor<HassBaseEl>>(superClass: T) =>
       configFlow?: Parameters<typeof getHassTranslations>[4],
       force = false
     ): Promise<LocalizeFunc> {
+      if (
+        __BACKWARDS_COMPAT__ &&
+        !atLeastVersion(this.hass!.connection.haVersion, 0, 109)
+      ) {
+        if (category !== "state") {
+          return this.hass!.localize;
+        }
+        const resources = await getHassTranslationsPre109(this.hass!, language);
+
+        // Ignore the repsonse if user switched languages before we got response
+        if (this.hass!.language !== language) {
+          return this.hass!.localize;
+        }
+
+        return this._updateResources(language, resources);
+      }
+
       let alreadyLoaded: LoadedTranslationCategory;
 
       if (category in this.__loadedTranslations) {