Add ability to set logo via ENV var (#2123)

Envfile

@@ -11,6 +11,9 @@ enable_defaults! { ENV['RACK_ENV'] != 'production' }
 variable :APP_DOMAIN, :String, default: "localhost:3000"
 variable :APP_PROTOCOL, :String, default: "http://"
 
+# Logo
+variable :LOGO_SVG, :String, default: ""
+
 # Default staff account's id
 variable :DEVTO_USER_ID, :Integer, default: 1
 

app/helpers/application_helper.rb

@@ -198,4 +198,13 @@ module ApplicationHelper
 
     "/t/#{params[:tag]}"
   end
+
+  def logo_svg
+    logo = if ApplicationConfig["LOGO_SVG"].present?
+             ApplicationConfig["LOGO_SVG"].html_safe
+           else
+             inline_svg("devplain.svg", class: "logo", size: "20% * 20%")
+           end
+    logo
+  end
 end

app/views/layouts/_top_bar.html.erb

@@ -3,7 +3,7 @@
 <div class="top-bar" id="top-bar">
   <nav>
     <a href="#articles-list" class="skip-content-link">Skip to content</a>
-    <a href="/" class="logo-link" id="logo-link" aria-label="DEV Home"><%= inline_svg("devplain.svg", class: "logo", size: "20% * 20%") %></a>
+    <a href="/" class="logo-link" id="logo-link" aria-label="DEV Home"><%= logo_svg %></a>
     <div id="nav-search-form-root">
       <div class="nav-search-form">
         <form acceptCharset="UTF-8" method="get">