Fix bug from issue #4173

client/components/main/header.jade

@@ -38,7 +38,8 @@ template(name="header")
             unless currentSetting.customTopLeftCornerLogoLinkUrl
               img(src="{{currentSetting.customTopLeftCornerLogoImageUrl}}" height="{{#if currentSetting.customTopLeftCornerLogoHeight}}#{currentSetting.customTopLeftCornerLogoHeight}{{else}}27{{/if}}" width="auto" margin="0" padding="0" alt="{{currentSetting.productName}}" title="{{currentSetting.productName}}")
           unless currentSetting.customTopLeftCornerLogoImageUrl
-            img(src="{{pathFor '/logo-header.png'}}" alt="{{currentSetting.productName}}" title="{{currentSetting.productName}}")
+            div#headerIsSettingDatabaseCallDone
+              img(src="{{pathFor '/logo-header.png'}}" alt="{{currentSetting.productName}}" title="{{currentSetting.productName}}")
         span.allBoards
           a(href="{{pathFor 'home'}}")
             span.fa.fa-home

client/components/main/header.js

@@ -1,7 +1,23 @@
 Meteor.subscribe('user-admin');
 Meteor.subscribe('boards');
 Meteor.subscribe('setting');
+Template.header.onCreated(function(){
+  const templateInstance = this;
+  templateInstance.currentSetting = new ReactiveVar();
+  templateInstance.isLoading = new ReactiveVar(false);
 
+  Meteor.subscribe('setting', {
+    onReady() {
+      templateInstance.currentSetting.set(Settings.findOne());
+      let currSetting = templateInstance.currentSetting.curValue;
+      if(currSetting && currSetting !== undefined && currSetting.customLoginLogoImageUrl !== undefined && document.getElementById("headerIsSettingDatabaseCallDone") != null)
+        document.getElementById("headerIsSettingDatabaseCallDone").style.display = 'none';
+      else if(document.getElementById("headerIsSettingDatabaseCallDone") != null)
+        document.getElementById("headerIsSettingDatabaseCallDone").style.display = 'block';
+      return this.stop();
+    },
+  });
+});
 Template.header.helpers({
   wrappedHeader() {
     return !Session.get('currentBoard');

client/components/main/header.styl

@@ -250,3 +250,6 @@
   p
     margin: 7px
     padding: 0
+
+#headerIsSettingDatabaseCallDone
+  display: none;