code refactor

src/views/mobile/LoginPage.vue

@@ -70,7 +70,7 @@
                     @click="changeLanguage(locale)"
                 >
                     <template #after>
-                        <f7-icon class="list-item-checked-icon" f7="checkmark_alt" v-if="$i18n.locale === locale"></f7-icon>
+                        <f7-icon class="list-item-checked-icon" f7="checkmark_alt" v-if="currentLanguageCode === locale"></f7-icon>
                     </template>
                 </f7-list-item>
             </f7-list>
@@ -183,15 +183,11 @@ export default {
                 return 'Use a backup code';
             }
         },
+        currentLanguageCode() {
+            return this.$locale.getCurrentLanguageCode();
+        },
         currentLanguageName() {
-            const currentLocale = this.$i18n.locale;
-            let lang = this.$locale.getLanguageInfo(currentLocale);
-
-            if (!lang) {
-                lang = this.$locale.getLanguageInfo(this.$locale.getDefaultLanguage());
-            }
-
-            return lang.displayName;
+            return this.$locale.getCurrentLanguageDisplayName();
         }
     },
     methods: {

src/views/mobile/SettingsPage.vue

@@ -103,7 +103,7 @@ export default {
         const self = this;
 
         return {
-            currentLocale: self.$i18n.locale,
+            currentLocale: self.$locale.getCurrentLanguageCode(),
             logouting: false
         };
     },
@@ -196,7 +196,7 @@ export default {
     },
     methods: {
         onPageAfterIn() {
-            this.currentLocale = this.$i18n.locale;
+            this.currentLocale = this.$locale.getCurrentLanguageCode();
         },
         logout() {
             const self = this;

src/views/mobile/SignupPage.vue

@@ -198,7 +198,7 @@ export default {
                 confirmPassword: '',
                 email: '',
                 nickname: '',
-                language: self.$i18n.locale,
+                language: self.$locale.getCurrentLanguageCode(),
                 defaultCurrency: settingsStore.localeDefaultSettings.currency,
                 firstDayOfWeek: settingsStore.localeDefaultSettings.firstDayOfWeek,
             },
@@ -227,7 +227,7 @@ export default {
         },
         currentLocale: {
             get: function () {
-                return this.$i18n.locale;
+                return this.$locale.getCurrentLanguageCode();
             },
             set: function (value) {
                 const isCurrencyDefault = this.user.defaultCurrency === this.settingsStore.localeDefaultSettings.currency;

src/views/mobile/UnlockPage.vue

@@ -48,7 +48,7 @@
                     @click="changeLanguage(locale)"
                 >
                     <template #after>
-                        <f7-icon class="list-item-checked-icon" f7="checkmark_alt" v-if="$i18n.locale === locale"></f7-icon>
+                        <f7-icon class="list-item-checked-icon" f7="checkmark_alt" v-if="currentLanguageCode === locale"></f7-icon>
                     </template>
                 </f7-list-item>
             </f7-list>
@@ -94,15 +94,11 @@ export default {
                 && this.$user.getWebAuthnCredentialId()
                 && webauthn.isSupported();
         },
+        currentLanguageCode() {
+            return this.$locale.getCurrentLanguageCode();
+        },
         currentLanguageName() {
-            const currentLocale = this.$i18n.locale;
-            let lang = this.$locale.getLanguageInfo(currentLocale);
-
-            if (!lang) {
-                lang = this.$locale.getLanguageInfo(this.$locale.getDefaultLanguage());
-            }
-
-            return lang.displayName;
+            return this.$locale.getCurrentLanguageDisplayName();
         }
     },
     methods: {

src/views/mobile/categories/PresetPage.vue

@@ -71,7 +71,7 @@ export default {
 
         return {
             loadingError: null,
-            currentLocale: self.$i18n.locale,
+            currentLocale: self.$locale.getCurrentLanguageCode(),
             categoryType: 0,
             allCategories: [],
             submitting: false,