further cleanups to app.rb

app/create.rb

@@ -0,0 +1,73 @@
+post '/create_validate_all' do
+  content_type :json
+  fields = params.select {|p| p.match /^username$|^password$|^email$|^new_tags_string$/}
+
+  site = Site.new fields
+  return [].to_json if site.valid?
+  site.errors.collect {|e| [e.first, e.last.first]}.to_json
+end
+
+post '/create_validate' do
+  content_type :json
+
+  if !params[:field].match /^username$|^password$|^email$|^new_tags_string$/
+    return {error: 'not a valid field'}.to_json
+  end  
+
+  site = Site.new(params[:field] => params[:value])
+  site.valid?
+
+  field_sym = params[:field].to_sym
+
+  if site.errors[field_sym]
+    return {error: site.errors[field_sym].first}.to_json
+  end
+
+  {result: 'ok'}.to_json
+end
+
+post '/create' do
+  content_type :json
+  require_unbanned_ip
+  dashboard_if_signed_in
+
+  @site = Site.new(
+    username: params[:username],
+    password: params[:password],
+    email: params[:email],
+    new_tags_string: params[:tags],
+    ip: request.ip
+  )
+
+  black_box_answered = BlackBox.valid? params[:blackbox_answer], request.ip
+  question_answered_correctly = params[:question_answer] == session[:question_answer]
+
+  if !question_answered_correctly
+    question_first_number, question_last_number = generate_question
+    return {
+      result: 'bad_answer',
+      question_first_number: question_first_number,
+      question_last_number: question_last_number
+    }.to_json
+  end
+
+  if !black_box_answered || !@site.valid? || Site.ip_create_limit?(request.ip)
+    flash[:error] = 'There was an unknown error, please try again.'
+    return {result: 'error'}.to_json
+  end
+
+  @site.save
+
+  EmailWorker.perform_async({
+    from: 'web@neocities.org',
+    reply_to: 'contact@neocities.org',
+    to: @site.email,
+    subject: "[Neocities] Welcome to Neocities!",
+    body: Tilt.new('./views/templates/email_welcome.erb', pretty: true).render(self)
+  })
+
+  send_confirmation_email @site
+
+  session[:id] = @site.id
+  {result: 'ok'}.to_json
+end