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path: root/app/models/refinery/blog_comment.rb
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module Refinery
  class BlogComment < ActiveRecord::Base

    attr_accessible :name, :email, :message

    filters_spam :author_field => :name,
                 :email_field => :email,
                 :message_field => :body

    belongs_to :post, :class_name => 'Refinery::BlogPost', :foreign_key => 'blog_post_id'

    acts_as_indexed :fields => [:name, :email, :message]

    alias_attribute :message, :body

    validates :name, :message, :presence => true
    validates :email, :format => { :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i }

    scope :unmoderated, :conditions => {:state => nil}
    scope :approved, :conditions => {:state => 'approved'}
    scope :rejected, :conditions => {:state => 'rejected'}
    
    self.per_page = Setting.find_or_set(:blog_comments_per_page, 10)

    def avatar_url(options = {})
      options = {:size => 60}
      require 'digest/md5'
      size = ("?s=#{options[:size]}" if options[:size])
      "http://gravatar.com/avatar/#{Digest::MD5.hexdigest(self.email.to_s.strip.downcase)}#{size}.jpg"
    end

    def approve!
      self.update_attribute(:state, 'approved')
    end

    def reject!
      self.update_attribute(:state, 'rejected')
    end

    def rejected?
      self.state == 'rejected'
    end

    def approved?
      self.state == 'approved'
    end

    def unmoderated?
      self.state.nil?
    end

    def self.toggle!
      currently = Refinery::Setting.find_or_set(:comments_allowed, true, {
        :scoping => 'blog'
      })
      Refinery::Setting.set(:comments_allowed, {:value => !currently, :scoping => 'blog'})
    end

    before_create do |comment|
      unless Moderation.enabled?
        comment.state = comment.ham? ? 'approved' : 'rejected'
      end
    end

    module Moderation
      class << self
        def enabled?
          Refinery::Setting.find_or_set(:comment_moderation, true, {
            :scoping => 'blog',
            :restricted => false
          })
        end

        def toggle!
          new_value = {
            :value => !BlogComment::Moderation.enabled?,
            :scoping => 'blog',
            :restricted => false
          }
          if Refinery::Setting.respond_to?(:set)
            Refinery::Setting.set(:comment_moderation, new_value)
          else
            Refinery::Setting[:comment_moderation] = new_value
          end
        end
      end
    end

    module Notification
      class << self
        def recipients
          Refinery::Setting.find_or_set(:comment_notification_recipients, (Refinery::Role[:refinery].users.first.email rescue ''),
          {
            :scoping => 'blog',
            :restricted => false
          })
        end

        def recipients=(emails)
          new_value = {
            :value => emails,
            :scoping => 'blog',
            :restricted => false
          }
          if Refinery::Setting.respond_to?(:set)
            Refinery::Setting.set(:comment_notification_recipients, new_value)
          else
            Refinery::Setting[:comment_notification_recipients] = new_value
          end
        end

        def subject
          Refinery::Setting.find_or_set(:comment_notification_subject, "New inquiry from your website", {
            :scoping => 'blog',
            :restricted => false
          })
        end

        def subject=(subject_line)
          new_value = {
            :value => subject_line,
            :scoping => 'blog',
            :restricted => false
          }
          if Refinery::Setting.respond_to?(:set)
            Refinery::Setting.set(:comment_notification_subject, new_value)
          else
            Refinery::Setting[:comment_notification_subject] = new_value
          end
        end
      end
    end

  end
end