[feat] persist user ui customization (#3743)

lnbits/static/js/components/lnbits-header.js

@@ -69,6 +69,17 @@ window.app.component('lnbits-header', {
         window.location = '/users'
       } catch (e) {
         console.warn(e)
+      }
+    },
+    async handleLanguageChanged(lang) {
+      try {
+        await LNbits.api.updateUiCustomization({locale: lang.locale})
+        this.$q.notify({
+          type: 'positive',
+          message: 'Language Updated',
+          caption: lang.locale
+        })
+      } catch (e) {
         LNbits.utils.notifyApiError(e)
       }
     }

lnbits/static/js/components/lnbits-language-dropdown.js

@@ -1,5 +1,16 @@
 window.app.component('lnbits-language-dropdown', {
   template: '#lnbits-language-dropdown',
+  computed: {
+    currentLanguage() {
+      return (
+        this.langs.find(lang => lang.value === window.i18n.global.locale) || {
+          value: 'en',
+          label: 'English',
+          display: '🇬🇧 EN'
+        }
+      )
+    }
+  },
   methods: {
     activeLanguage(lang) {
       return window.i18n.global.locale === lang
@@ -8,6 +19,7 @@ window.app.component('lnbits-language-dropdown', {
       this.g.locale = newValue
       window.i18n.global.locale = newValue
       this.$q.localStorage.set('lnbits.lang', newValue)
+      this.$emit('language-changed', newValue)
     }
   },
   data() {

lnbits/static/js/components/lnbits-theme.js

@@ -9,6 +9,10 @@ window.app.component('lnbits-theme', {
     'g.disclaimerShown'(val) {
       this.$q.localStorage.setItem('lnbits.disclaimerShown', val)
     },
+    'g.locale'(val) {
+      this.$q.localStorage.setItem('lnbits.lang', val)
+      window.i18n.global.locale = val
+    },
     'g.isFiatPriority'(val) {
       this.$q.localStorage.setItem('lnbits.isFiatPriority', val)
     },
@@ -123,6 +127,13 @@ window.app.component('lnbits-theme', {
     if (this.g.mobileSimple === true) {
       document.body.classList.add('mobile-simple')
     }
+    Object.entries(this.g.user.uiCustomization || {}).forEach(
+      ([key, value]) => {
+        if (key in this.g) {
+          this.g[key] = value
+        }
+      }
+    )
     this.checkUrlParams()
   }
 })