An ActiveRecord model that stores the tracked changes for our action auditor.

activity.rb

# == Schema Information
#
# Table name: activities
#
#  id              :uuid             not null, primary key
#  user_id         :uuid
#  tenant_id       :uuid
#  contact_id      :uuid
#  trackable_type  :string
#  trackable_id    :uuid
#  action          :string
#  tracked_changes :json
#  detail          :string
#  visibility      :integer          default("report")
#  created_at      :datetime         not null
#  updated_at      :datetime         not null
#
# Foreign Keys
#
#  fk_rails_4f81fb35a0  (contact_id => contacts.id)
#  fk_rails_7e11bb717f  (user_id => contacts.id)
#  fk_rails_fd961d739b  (tenant_id => tenants.id)
#

class Activity < ApplicationRecord
  belongs_to :tenant
  belongs_to :user                          # who did it
  belongs_to :contact                       # whose page should this show up on?
  belongs_to :trackable, -> { unscope(where: :trashed_at) }, polymorphic: true

  scope :archived, -> {where(action: 'archived')}
  scope :archived_or_trashed, -> {where(action: %w(archived trashed))}
  store_accessor :tracked_changes
  scope :created, -> {where(action: 'create')}

  after_initialize :set_defaults
  def set_defaults
    if self.new_record?
      self.tenant_id ||= Tenant.current_id
      self.user_id   ||= User.current_id
    end
  end

  # visibility
  # * report: (default) Only shows up in system reports (e.g. login activity, etc. )
  # * member: Only the member can see
  # * members_only: (default) Only logged in members can see
  # * everyone: anyone can see, logged in or not
  enum visibility: [:report, :member, :members_only, :everyone]

  def summary
    [action, trackable_type].join(' ')
  end
  alias_method :to_s, :summary
end