UX: add awaiting-approval class to login modal

when local logins are disabled and account is awaiting approval

app/assets/javascripts/discourse/controllers/login.js.es6

@@ -29,6 +29,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
   processingEmailLink: false,
   showLoginButtons: true,
   showSecondFactor: false,
+  awaitingApproval: false,
 
   canLoginLocal: setting("enable_local_logins"),
   canLoginLocalWithEmail: setting("enable_local_logins_via_email"),
@@ -42,7 +43,8 @@ export default Ember.Controller.extend(ModalFunctionality, {
       loggedIn: false,
       secondFactorRequired: false,
       showSecondFactor: false,
-      showLoginButtons: true
+      showLoginButtons: true,
+      awaitingApproval: false
     });
   },
 
@@ -56,6 +58,14 @@ export default Ember.Controller.extend(ModalFunctionality, {
     return showSecondFactor ? "" : "hidden";
   },
 
+  @computed("awaitingApproval", "hasAtLeastOneLoginButton")
+  modalBodyClasses(awaitingApproval, hasAtLeastOneLoginButton) {
+    let classes = ["login-modal"];
+    if (awaitingApproval) classes.push("awaiting-approval");
+    if (hasAtLeastOneLoginButton) classes.push("has-alt-auth");
+    return classes.join(" ");
+  },
+
   // Determines whether at least one login button is enabled
   @computed("canLoginLocalWithEmail")
   hasAtLeastOneLoginButton(canLoginLocalWithEmail) {
@@ -298,6 +308,14 @@ export default Ember.Controller.extend(ModalFunctionality, {
       });
     }
 
+    if (
+      options.awaiting_approval &&
+      !this.get("canLoginLocal") &&
+      !this.get("canLoginLocalWithEmail")
+    ) {
+      this.set("awaitingApproval", true);
+    }
+
     if (options.omniauth_disallow_totp) {
       return loginError(I18n.t("login.omniauth_disallow_totp"), "error", () => {
         this.setProperties({

app/assets/javascripts/discourse/templates/mobile/modal/login.hbs

@@ -1,5 +1,5 @@
 {{#login-modal screenX=lastX screenY=lastY loginName=loginName loginPassword=loginPassword secondFactorToken=secondFactorToken action=(action "login")}}
-  {{#d-modal-body title="login.title" class="login-modal"}}
+  {{#d-modal-body title="login.title" class=modalBodyClasses}}
     {{#if showLoginButtons}}
       {{login-buttons
         showLoginWithEmailLink=showLoginWithEmailLink

app/assets/javascripts/discourse/templates/modal/login.hbs

@@ -1,5 +1,5 @@
 {{#login-modal screenX=lastX screenY=lastY loginName=loginName loginPassword=loginPassword secondFactorToken=secondFactorToken action=(action "login")}}
-  {{#d-modal-body title="login.title" class=(concat "login-modal" " " (if hasAtLeastOneLoginButton "has-alt-auth"))}}
+  {{#d-modal-body title="login.title" class=modalBodyClasses}}
 
     {{#if canLoginLocal}}
       <form id='login-form' method='post'>

app/assets/stylesheets/common/base/login.scss

@@ -55,6 +55,9 @@
       display: inline-flex;
     }
   }
+  &.awaiting-approval {
+    display: none;
+  }
 }
 
 .create-account {