# Time 2015-02-06 10:42:34
# Author lizanle
# Description 这是保存Project相关的动态的公共表
class ForgeActivity < ActiveRecord::Base
  # 公共表中活动类型,命名规则:TYPE_OF_{类名}_ACT
  TYPE_OF_ISSUE_ACT = "Issue"
  TYPE_OF_MESSAGE_ACT = "Message"
  TYPE_OF_ATTACHMENT_ACT = "Attachment"
  TYPE_OF_DOCUMENT_ACT = "Document"
  TYPE_OF_JOURNAL_ACT = "Journal"
  TYPE_OF_WIKI_ACT = "Wiki"
  TYPE_OF_NEWS_ACT = "News"
  attr_accessible :forge_act_id, :forge_act_type,:project_id,:user_id,:org_id
  # 虚拟关联
  belongs_to :forge_act ,:polymorphic => true
  belongs_to :project
  belongs_to :user
  validates :user_id,presence: true
  validates :project_id,presence: true
  validates :forge_act_id,presence: true
  validates :forge_act_type, presence: true
  has_many :user_acts, :class_name => 'UserAcivity',:as =>:act
  after_save :add_user_activity, :add_org_activity
  before_destroy :destroy_user_activity, :destroy_org_activity

  #在个人动态里面增加当前动态
  def add_user_activity
    user_activity = UserActivity.where("act_type = '#{self.forge_act_type.to_s}' and act_id = '#{self.forge_act_id}'").first
    if user_activity
      user_activity.save
    else
      if self.forge_act_type == 'Message' && !self.forge_act.parent_id.nil?
        user_activity = UserActivity.where("act_type = 'Message' and act_id = #{self.forge_act.parent.id}").first
        user_activity.created_at = self.created_at
        user_activity.save
      else
        user_activity = UserActivity.new
        user_activity.act_id = self.forge_act_id
        user_activity.act_type = self.forge_act_type
        user_activity.container_type = "Project"
        user_activity.container_id = self.project_id
        user_activity.user_id = self.user_id
        user_activity.save
      end
    end
  end

  def add_org_activity
    org_activity = OrgActivity.where("org_act_type = '#{self.forge_act_type.to_s}' and org_act_id = #{self.forge_act_id}").first
    if org_activity
      org_activity.updated_at = self.updated_at
      org_activity.save
    else
      if self.forge_act_type == 'Message' && !self.forge_act.parent_id.nil?
        org_activity = OrgActivity.where("org_act_type = 'Message' and org_act_id = #{self.forge_act.parent.id}").first
        org_activity.created_at = self.created_at
        org_activity.save
      else
        OrgActivity.create(:user_id => self.user_id,
                           :org_act_id => self.forge_act_id,
                           :org_act_type => self.forge_act_type,
                           :container_id => self.project_id,
                           :container_type => 'Project',
                           :created_at => self.created_at,
                           :updated_at => self.updated_at)
      end
    end
  end

  def destroy_user_activity
    user_activity = UserActivity.where("act_type = '#{self.forge_act_type.to_s}' and act_id = '#{self.forge_act_id}'")
    user_activity.destroy_all
  end

  def destroy_org_activity
    org_acts = OrgActivity.where("org_act_type='#{self.forge_act_type.to_s}' and org_act_id = '#{self.forge_act_id}'")
    org_acts.destroy_all
  end
end