app/models/polymorphic/version.rb
# frozen_string_literal: true
# Copyright (c) 2008-2013 Michael Dvorkin and contributors.
#
# Fat Free CRM is freely distributable under the terms of MIT license.
# See MIT-LICENSE file or http://www.opensource.org/licenses/mit-license.php
#------------------------------------------------------------------------------
require 'paper_trail'
class Version < PaperTrail::Version
ASSETS = %w[all tasks campaigns leads accounts contacts opportunities comments emails]
EVENTS = %w[all_events create view update destroy]
DURATION = %w[one_hour one_day two_days one_week two_weeks one_month]
belongs_to :related, polymorphic: true, optional: true # TODO: Is this really optional?
belongs_to :user, foreign_key: :whodunnit, optional: true # TODO: Is this really optional?
scope :default_order, -> { order('created_at DESC') }
scope :include_events, ->(*events) { where(event: events) }
scope :exclude_events, ->(*events) { where('event NOT IN (?)', events) }
scope :for, ->(user) { where(whodunnit: user.id.to_s) }
class << self
def recent_for_user(user, limit = 10)
# Hybrid SQL/Ruby to build a unique list of the most recent entities that the
# user has interacted with
versions = []
offset = 0
while versions.size < limit
query = includes(:item)
.where(whodunnit: user.id.to_s)
.where(item_type: ENTITIES)
.limit(limit * 2)
.offset(offset)
.default_order
break if query.empty?
versions += query.select { |v| v.item.present? }
versions.uniq! { |v| [v.item_id, v.item_type] }
offset += limit * 2
end
versions[0...10]
end
def latest(options = {})
includes(:item, :related, :user)
.where(({ item_type: options[:asset] } if options[:asset]))
.where(({ event: options[:event] } if options[:event]))
.where(({ whodunnit: options[:user].to_s } if options[:user]))
.where('versions.created_at >= ?', Time.zone.now - (options[:duration] || 2.days))
.limit(options[:max])
.default_order
end
def related_to(object)
where('(item_id = :id AND item_type = :type) OR (related_id = :id AND related_type = :type)',
id: object.id, type: object.class.name)
end
def history(object)
related_to(object).exclude_events(:view).default_order
end
def visible_to(user)
all.to_a.delete_if do |version|
if item = version.item || version.reify
if item.respond_to?(:access) # NOTE: Tasks don't have :access as of yet.
# Delete from scope if it shouldn't be visible
next item.user_id != user.id &&
item.assigned_to != user.id &&
(item.access == "Private" ||
(item.access == "Shared" &&
!item.permissions.map(&:user_id).include?(user.id)))
end
# Don't delete any objects that don't have :access method (e.g. tasks)
next false
end
# Delete from scope if no object can be found or reified (e.g. from 'show' events)
true
end
end
end
end