ayanova/src/api/initialize.js

@@ -785,7 +785,8 @@ export default function initialize() {
                   shortDate: "YYYY-MM-DD",
                   shortTime: "hh:mm:ss A",
                   shortDateAndTime: "YYYY-MM-DD hh:mm:ss A",
-                  timeZoneOffset: res.data.timeZoneOffset
+                  timeZoneOffset: res.data.timeZoneOffset,
+                  tag: res.data.tag || "en-US"
                 });
 
                 resolve();

ayanova/src/api/locale.js

@@ -190,5 +190,55 @@ export default {
       ret = ret.replace(foundMatch, newValue);
     }
     return ret;
+  },
+  ////////////////////////////////////////////////////////
+  // attempt to determine user's preferred first browser language setting
+  // https://stackoverflow.com/a/46514247/8939
+  //
+  //
+  getFirstBrowserLanguage() {
+    var nav = window.navigator,
+      browserLanguagePropertyKeys = [
+        "language",
+        "browserLanguage",
+        "systemLanguage",
+        "userLanguage"
+      ],
+      i,
+      language,
+      len,
+      shortLanguage = null;
+
+    // support for HTML 5.1 "navigator.languages"
+    if (Array.isArray(nav.languages)) {
+      for (i = 0; i < nav.languages.length; i++) {
+        language = nav.languages[i];
+        len = language.length;
+        if (!shortLanguage && len) {
+          shortLanguage = language;
+        }
+        if (language && len > 2) {
+          return language;
+        }
+      }
+    }
+
+    // support for other well known properties in browsers
+    for (i = 0; i < browserLanguagePropertyKeys.length; i++) {
+      language = nav[browserLanguagePropertyKeys[i]];
+      //skip this loop iteration if property is null/undefined.  IE11 fix.
+      if (language == null) {
+        continue;
+      }
+      len = language.length;
+      if (!shortLanguage && len) {
+        shortLanguage = language;
+      }
+      if (language && len > 2) {
+        return language;
+      }
+    }
+
+    return shortLanguage;
   }
 };

ayanova/src/store.js

@@ -21,6 +21,7 @@ export default new Vuex.Store({
     homePage: undefined,
     localeText: {},
     locale: {
+      tag: "en-US",
       decimalSeparator: ".",
       currencySymbol: "$",
       shortDate: "YYYY-MM-DD",
@@ -56,6 +57,7 @@ export default new Vuex.Store({
       state.localeText = {};
       state.formCustomTemplate = {};
       state.apiUrl = "";
+      state.locale.tag = "en-US";
       state.locale.decimalSeparator = ".";
       state.locale.currencySymbol = "$";
       state.locale.shortDate = "YYYY-MM-DD";
@@ -82,6 +84,7 @@ export default new Vuex.Store({
       state.locale.shortTime = data.shortTime;
       state.locale.shortDateAndTime = data.shortDateAndTime;
       state.locale.timeZoneOffset = data.timeZoneOffset;
+      state.locale.tag = data.tag;
     },
     setAPIURL(state, data) {
       state.apiUrl = data;

ayanova/src/views/ay-about.vue

@@ -24,6 +24,13 @@
           <span class="body-2">{{ this.$store.state.userName }}</span>
         </div>
 
+        <div>
+          <span class="ml-6 body-1">{{ lt("Language") }}:</span>
+          <span class="body-2">
+            {{ ltFormat().tag }}
+          </span>
+        </div>
+
         <div>
           <span class="ml-6 body-1">{{ lt("UserTimeZoneOffset") }}:</span>
           <span class="body-2">

ayanova/src/views/home-user-settings.vue

@@ -1,14 +1,20 @@
 <template>
-  <UnderConstruction />
+  <div>
+    User's preferred language:
+    {{ userLanguage }}
+  </div>
 </template>
 
 <script>
 import UnderConstruction from "../components/underconstruction.vue";
 
 export default {
-  components: {
-    UnderConstruction
+  data() {
+    return {
+      userLanguage: window.$gz.locale.getFirstBrowserLanguage()
+    };
   },
+  components: {},
   beforeCreate() {
     window.$gz.eventBus.$emit("menu-change", {
       isMain: true,