module Rostra
  module ApplicationHelper
    # If you don't need to make any changes, you can delete this file.
    #
    # Include base helper methods required for Rostra views. You probably don't want to remove
    # this line but you can add/override rostra methods in this file. The helpers which you may
    # need to override are listed below. Just un-comment them and make changes.
    #
    include Rostra::BaseHelper

    # If you want to user helper methods defined elsewhere in your app, you can include them here
    # as well. For example:
    #
    # include MainAppHelper

    # Creates a list of tags linking to the index showing only questions with that tag
    #
    # def tag_list(question)
    #   tags = question.tags.map { |tag| link_to tag, questions_path(:tag_search => "#{tag}")}.join
    #   content_tag :div, "Tags: #{tags}".html_safe, class: 'tags'
    # end

    # Finds the url to the user's avatar following this logic:
    #
    #   1. Calls <tt>avatar</tt> on the user object
    #   2. Uses the users email address to look for a gravatar
    #   3. Renders <tt>app/assets/images/rostra/anonymous_avatar.png</tt>
    #
    # def avatar_url(user)
    #   if user.respond_to?(:avatar)
    #     user.avatar
    #   else
    #     default_url = "#{main_app.root_url}assets/rostra/anonymous_avatar.png"
    #     gravatar_id = Digest::MD5.hexdigest(user.rostra_user_email.downcase)
    #     "http://gravatar.com/avatar/#{gravatar_id}.png?s=48&d=#{CGI.escape(default_url)}"
    #   end
    # end

    # Used to populate both the <tt>title</tt> and <tt>h1</tt> elements for each page.
    #
    # def page_title_helper
    #   case "#{controller_name}##{action_name}"
    #   when "questions#show" then @question.title
    #   when "questions#index" then
    #     if params[:tag_search].present?
    #       "Recent Questions for tag #{params[:tag_search]}"
    #     else
    #       "Recent Questions"
    #     end
    #   when "questions#new" then "Post a new question"
    #   when "questions#edit" then "Editing question"
    #   when "answers#edit" then "Editing answer"
    #   else "Recent Questions"
    #   end
    # end

  end
end