initial contact form for domain registration

app/domain.rb

@@ -0,0 +1,29 @@
+get '/domain/new' do
+  require_login
+  @title = 'Register a Domain'
+
+  erb :'domain/new'
+end
+
+post '/domain/check_availability.json' do
+  require_login
+  content_type :json
+
+  timer = Time.now.to_i
+
+  while true
+    if (Time.now.to_i - timer) > 60
+      api_error 200, :contact_fail, 'Error contacting domain server, please try again.'
+    end
+
+    begin
+      res = $gandi.domain.available([params[:domain]])[params[:domain]]
+    rescue => Gandi::DataError
+      api_error 200, :invalid_domain, 'Domain name was invalid, please try another.'
+    end
+
+    api_success res unless res == 'pending'
+    sleep 0.2
+  end
+
+end

models/site.rb

@@ -823,6 +823,10 @@ class Site < Sequel::Model
       errors.add :email, 'An email address is required.'
     end
 
+    if parent? && values[:email] =~ /@neocities.org/
+      errors.add :email, 'Cannot use this email address.'
+    end
+
     # Check for existing email if new or changing email.
     if new? || @original_email
       email_check = self.class.select(:id).filter(email: values[:email])

views/settings/site.erb

@@ -24,6 +24,7 @@
       <div class="tabbable" style="margin-top: 20px"> <!-- Only required for left/right tabs -->
         <ul class="nav nav-tabs">
           <li class="active"><a href="#profile" data-toggle="tab">Profile</a></li>
+          <li><a href="#domain" data-toggle="tab">Domain Name</a></li>
           <li><a href="#custom_domain" data-toggle="tab">Custom Domain</a></li>
           <li><a href="#username" data-toggle="tab">Change Site (User) Name</a></li>
 
@@ -37,6 +38,9 @@
           <div class="tab-pane active" id="profile">
             <%== erb :'settings/site/profile' %>
           </div>
+          <div class="tab-pane" id="domain">
+            <%== erb :'settings/site/domain' %>
+          </div>
           <div class="tab-pane" id="custom_domain">
             <%== erb :'settings/site/custom_domain' %>
           </div>

views/settings/site/domain.erb

@@ -0,0 +1,12 @@
+<h2>Create a domain name</h2>
+<h3 class="subtitle">Register a domain name for your Neocities site!</h3>
+
+<p>
+  Neocities now allows you to create a domain name for your site directly through Neocities. Instead of being at <%= current_site.username %>.neocities.org, your site would be accessible via your full domain name (example.com). You get one free domain per Neocities account.
+</p>
+
+<% if parent_site.supporter? %>
+  <a href="/domain/new">Register your domain name now</a>
+<% else %>
+  <strong>Getting a domain name requires a Supporter account. <a href="/plan">Upgrade now</a>.</strong>
+<% end %>