module Formol
  class ApplicationController < ::ApplicationController
    def per_page
      25
    end
    
    helper_method :per_page
    helper_method :current_formol_user
    
    def topic_post_page_number(topic, post)
      #topic.posts.index is maybe not the most optimized
      ((topic.posts(true).index(post) + 1).to_f / per_page.to_f).ceil
    end
    
    def paginated_forum_topic_post_path(forum, topic, post)
      opts = {
        :anchor => "formol_post_#{post.id}"
      }
      
      page = topic_post_page_number(topic, post)
      
      opts[:page] = page if page > 1
      
      forum_topic_path(forum, topic, opts)
    end
    
    helper_method :paginated_forum_topic_post_path
    
    def topic_last_page_number(topic)
      (topic.posts_count.to_f / per_page.to_f).ceil
    end
    
    def last_page_forum_topic_path(forum, topic, post)
      opts = {
        :anchor => "formol_post_#{post.id}"
      }
      
      page = topic_last_page_number(topic)
      
      opts[:page] = page if page > 1
      
      forum_topic_path(forum, topic, opts)
    end
    
    helper_method :last_page_forum_topic_path
  end
end