application_helper.rb

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