aaronmcadam · April 28, 2014 16:59 · Apr 28, 2014
diff --git a/application_helper.rb b/application_helper.rb
@@ -0,0 +1,121 @@
+module ApplicationHelper
+  def tenant_name
+    tenant_configuration.tenant_name
+  end
+
+  def full_title(page_title)
+    base_title = "#{app_display_name} Dashboard"
+    if page_title.empty?
+      base_title
+    else
+      "#{base_title} | #{page_title}".html_safe
+    end
+  end
+
+  def app_display_name
+    tenant_configuration.display_name
+  end
+
+  def participant_login_link
+    tenant_configuration.disc_url
+  end
+
+  def analytics
+    render("layouts/analytics") if Rails.env.production?
+  end
+
+  def display_header?
+    projects_index? || allowed_view?
+  end
+
+  def time_from(date)
+    from_time = DateTime.parse(date)
+    distance_of_time_in_words(from_time, DateTime.now) << " ago"
+  end
+
+  def support_email_link
+    link_to(t("support"), "mailto:#{support_email}")
+  end
+
+  def terms_link
+    link_to(t("terms"), page_path("terms"))
+  end
+
+  def website_link
+    link_to(website_link_text, website_url, target: "_blank")
+  end
+
+  def copyright
+    copy = "&copy; #{t("copyright")} #{copyright_agencies} #{copyright_period}"
+    copy.html_safe
+  end
+
+  def complete_on_device
+    t("task.complete_on_device",
+      app_name: app_display_name,
+      ios: ios_link,
+      android: android_link
+     ).html_safe
+  end
+
+  def current_language_flag
+    language = Language.all.select { |l| l.code == I18n.locale.to_s }.first
+    if language.try(:flag_state) == "finished"
+      image_tag(language.flag, alt: language.label)
+    end
+  end
+
+  def render_masthead
+    render("layouts/masthead") if display_header?
+  end
+
+  private
+
+  def projects_index?
+    controller_name == "projects" && action_name != "show"
+  end
+
+  def allowed_view?
+    white_list.include?(controller_name)
+  end
+
+  def white_list
+    %w(sessions users passwords pages joins)
+  end
+
+  def website_link_text
+    strip_www(URI.parse(website_url).host)
+  end
+
+  def strip_www(host)
+    host.start_with?("www.") ? host[4..-1] : host
+  end
+
+  def website_url
+    tenant_configuration.website
+  end
+
+  def support_email
+    tenant_configuration.support_email
+  end
+
+  def copyright_agencies
+    tenant_configuration.copyright
+  end
+
+  def copyright_period
+    "2012-#{Time.now.year}"
+  end
+
+  def ios_link
+    link_to("iOS", tenant_configuration.ios_url, target: "_blank")
+  end
+
+  def android_link
+    link_to("Android", tenant_configuration.android_url, target: "_blank")
+  end
+
+  def tenant_configuration
+    Hashie::Mash.new(Crowdlab.tenants[Crowdlab.tenant])
+  end
+end