随便写写

gistfile1.rb

class Issue
  # Referenced
  belongs_to :user,   foreign_key: 'seller_nick'  # 店铺
  belongs_to :eventable, polymorphic: true #
  has_many :changesets

  field :seller_nick,       type: String

  field :memo,              type: String
  field :status,            type: String

  field :alarmed_by_id,     type: String # 
  field :alarmed_by_name,   type: String #
  field :created_by_id,     type: String # 
  field :created_by_name,   type: String #
  field :updated_by_id,     type: String # 
  field :updated_by_name,   type: String #

  field :alarmed_at,       type: DateTime # 定时
  field :created_at,       type: DateTime 
  field :updated_at,       type: DateTime

  field :tracker_ids, type: Array, default: [] # 
  field :marker_ids,  type: Array, default: [] # 
end

class Changeset
  # Referenced
  belongs_to :issue
  # belongs_to :eventable, polymorphic: true #

  field :memo,   type: String #
  field :status, type: String

  field :alarmed_at, type: DateTime # 定时
  field :created_at, type: DateTime #

  field :tracker_ids, type: Array, default: [] # 
end

class Track
  # Referenced
  belongs_to :account
  belongs_to :trackable, polymorphic: true # 
  field :read_at, type: DateTime # 
end