refactor app.rb blob to partition routes into files

app_helpers.rb

@@ -0,0 +1,87 @@
+def generate_question
+  if ENV['RACK_ENV'] == 'test'
+    question_first_number = 1
+    question_last_number = 1
+  else
+    question_first_number = rand 5
+    question_last_number = rand 5
+  end
+  session[:question_answer] = (question_first_number + question_last_number).to_s
+  [question_first_number, question_last_number]
+end
+
+def dashboard_if_signed_in
+  redirect '/dashboard' if signed_in?
+end
+
+def require_login_ajax
+  halt 'You are not logged in!' unless signed_in?
+  halt 'You are banned.' if current_site.is_banned? || parent_site.is_banned?
+end
+
+def csrf_safe?
+  csrf_token == params[:csrf_token] || csrf_token == request.env['HTTP_X_CSRF_TOKEN']
+end
+
+def csrf_token
+   session[:_csrf_token] ||= SecureRandom.base64(32)
+end
+
+def require_login
+  redirect '/' unless signed_in?
+  if session[:banned] || current_site.is_banned || parent_site.is_banned
+    session[:id] = nil
+    session[:banned] = true
+    redirect '/'
+  end
+end
+
+def signed_in?
+  !session[:id].nil?
+end
+
+def current_site
+  return nil if session[:id].nil?
+  @_site ||= Site[id: session[:id]]
+end
+
+def parent_site
+  return nil if current_site.nil?
+  current_site.parent? ? current_site : current_site.parent
+end
+
+def require_unbanned_ip
+  if session[:banned] || Site.banned_ip?(request.ip)
+    session[:id] = nil
+    session[:banned] = true
+    flash[:error] = 'Site creation has been banned due to ToS violation/spam. '+
+    'If you believe this to be in error, <a href="/contact">contact the site admin</a>.'
+    return {result: 'error'}.to_json
+  end
+end
+
+def title
+  out = "Neocities"
+  return out                  if request.path == '/'
+  return "#{out} - #{@title}" if @title
+  "#{out} - #{request.path.gsub('/', '').capitalize}"
+end
+
+def encoding_fix(file)
+  begin
+    Rack::Utils.escape_html file
+  rescue ArgumentError => e
+    return Rack::Utils.escape_html(file.force_encoding('BINARY')) if e.message =~ /invalid byte sequence in UTF-8/
+    fail
+  end
+end
+
+def send_confirmation_email(site=current_site)
+  EmailWorker.perform_async({
+    from: 'web@neocities.org',
+    reply_to: 'contact@neocities.org',
+    to: site.email,
+    subject: "[Neocities] Confirm your email address",
+    body: Tilt.new('./views/templates/email_confirm.erb', pretty: true).render(self, site: site)
+  })
+end