trustieforge/app/models/forge_activity.rb

# 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_create :add_user_activity, :add_org_activity,:update_cache_add
  before_destroy :destroy_user_activity, :destroy_org_activity,:update_cache_delete
  after_destroy :update_cache_delete_ex

  # 在个人动态里面增加当前动态
  # 版本库提交动态不显示在用户动态中
  # Commit为版本库提交类型，因为是从gitlab获取，不能实时更新
  def add_user_activity
    if self.forge_act_type == "Commit"
      self.update_column(:updated_at, self.forge_act.committed_on)
    else
      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
  end

  # 项目提交动态不显示在组织动态中
  def add_org_activity
    if self.forge_act_type == "Commit"
      self.update_column(:updated_at, self.forge_act.committed_on)
    else
      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
  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

  #更新项目的动态缓存
  def update_cache_add
    ProjectCache.update_project_acts_nums_cache(self.project.id,self,0)
    ProjectCache.update_project_act_updated_at_cache(self.project.id)
  end

  def update_cache_delete
    ProjectCache.update_project_acts_nums_cache(self.project.id,self,1)
  end

  def update_cache_delete_ex
    ProjectCache.update_project_act_updated_at_cache(self.project.id)
  end

end