GRN2-xx: Hide signin when error occures (#2221)

* Hide signin when error occures

* Rubocop fixes

app/controllers/application_controller.rb

@@ -259,24 +259,40 @@ class ApplicationController < ActionController::Base
       session[:provider_exists] = @user_domain
     rescue => e
       logger.error "Error in retrieve provider info: #{e}"
-      # Use the default site settings
-      @user_domain = "greenlight"
-      @settings = Setting.find_or_create_by(provider: @user_domain)
-
+      @hide_signin = true
       if e.message.eql? "No user with that id exists"
+        set_default_settings
+
         render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_not_found.message"),
           help: I18n.t("errors.not_found.user_not_found.help") }
       elsif e.message.eql? "Provider not included."
+        set_default_settings
+
         render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_missing.message"),
           help: I18n.t("errors.not_found.user_missing.help") }
       elsif e.message.eql? "That user has no configured provider."
+        if Setting.exists(provider: @user_domain)
+          # Keep the branding
+          @settings = Setting.find_by(provider: @user_domain)
+        else
+          set_default_settings
+        end
+
         render "errors/greenlight_error", locals: { status_code: 501,
           message: I18n.t("errors.no_provider.message"),
           help: I18n.t("errors.no_provider.help") }
       else
+        set_default_settings
+
         render "errors/greenlight_error", locals: { status_code: 500, message: I18n.t("errors.internal.message"),
           help: I18n.t("errors.internal.help"), display_back: true }
       end
     end
   end
+
+  def set_default_settings
+    # Use the default site settings
+    @user_domain = "greenlight"
+    @settings = Setting.find_or_create_by(provider: @user_domain)
+  end
 end

app/helpers/application_helper.rb

@@ -130,4 +130,9 @@ module ApplicationHelper
     return false unless recording_consent_required?
     @settings.get_value("Room Configuration Recording") == "disabled"
   end
+
+  # Hide the signin buttons if there is an error on the page
+  def show_signin
+    !@hide_signin.present?
+  end
 end

app/views/shared/_header.html.erb

@@ -88,7 +88,7 @@
               <% end %>
             </div>
           </div>
-        <% else %>
+        <% elsif show_signin %>
           <% allow_greenlight_accounts = allow_greenlight_accounts? %>
           <% if allow_greenlight_accounts %>
             <%= link_to t("login"), signin_path, :class => "btn btn-outline-primary mx-2 sign-in-button" %>