# -*- encoding : utf-8 -*-
class Card; module Set; class All
# Set: All cards (History)
#
# track history (acts, actions, changes) on this card
module History;
extend Card::Set
def self.source_location; "/Users/ethan/dev/decko/gem/card/mod/history/set/all/history.rb"; end
def history?
  true
end

# all cards whose acts are considered part of this card's history
def history_card_ids
  includee_ids << id
end

# ~~FIXME~~: optimize (no need to instantiate all actions and changes!)
# Nothing is instantiated here. ActiveRecord is much smarter than you think.
# Methods like #empty? and #size make sql queries if their receivers are not already
# loaded -pk
def first_change?
  # = update or delete
  @current_action.action_type != :create && action_count == 2 &&
    create_action.card_changes.empty?
end

def first_create?
  @current_action.action_type == :create && action_count == 1
end

def action_count
  Card::Action.where(card_id: @current_action.card_id).count
end

# card has account that is responsible for prior acts
def has_edits?
  Card::Act.where(actor_id: id).where("card_id IS NOT NULL").present?
end

def changed_fields
  Card::Change::TRACKED_FIELDS & (changed_attribute_names_to_save | saved_changes.keys)
end

def includee_ids
  @includee_ids ||=
    Card::Reference.select(:referee_id).where(
      ref_type: "I", referer_id: id
    ).pluck("referee_id").compact.uniq
end

def diff_args
  { diff_format: :text }
end

# Delete all changes and old actions and make the last action the create action
# (that way the changes for that action will be created with the first update)
def make_last_action_the_initial_action
  delete_all_changes
  old_actions.delete_all
  last_action.update! action_type: :create
end

def clear_history
  delete_all_changes
  delete_old_actions
end

def delete_old_actions
  old_actions.delete_all
end

def delete_all_changes
  Card::Change.where(card_action_id: all_action_ids).delete_all
end

def save_content_draft content
  super
  acts.create do |act|
    act.ar_actions.build(draft: true, card_id: id, action_type: :update)
       .card_changes.build(field: :db_content, value: content)
  end
end
end;end;end;end;
# ~~ generated from /Users/ethan/dev/decko/gem/card/mod/history/set/all/history.rb ~~