estimancy/projestimate

#encoding: utf-8
#############################################################################
#
# Estimancy, Open Source project estimation web application
# Copyright (c) 2014 Estimancy (http://www.estimancy.com)
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    ======================================================================
#
# ProjEstimate, Open Source project estimation web application
# Copyright (c) 2013 Spirula (http://www.spirula.fr)
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#############################################################################

#Master table
#Global attributes of project. Ex : size, cost, result, date etc...
#Those attributes are used into AttributeModule
class PeAttribute < ActiveRecord::Base
  attr_accessible :name, :alias, :aggregation, :attr_type, :options, :precision, :description, :record_status_id, :custom_value, :change_comment, :single_entry_attribute

  include MasterDataHelper #Module master data management (UUID generation, deep clone, ...)

  serialize :options, Array

  has_many :attribute_organizations, :dependent => :destroy
  has_many :organizations, :through => :attribute_organizations

  has_many :attribute_modules, :dependent => :destroy
  has_many :pemodules, :through => :attribute_modules
  has_many :estimation_values, :dependent => :destroy
  has_many :views_widgets, dependent: :destroy

  belongs_to :record_status
  belongs_to :owner_of_change, :class_name => 'User', :foreign_key => 'owner_id'

  validates_presence_of :description, :attr_type, :record_status
  validates :uuid, :presence => true, :uniqueness => {:case_sensitive => false}
  validates :name, :alias, :presence => true, :uniqueness => {:scope => :record_status_id, :case_sensitive => false}
  validates :custom_value, :presence => true, :if => :is_custom?
  validates :precision, numericality: { only_integer: true, :allow_blank => true }

  ##Enable the amoeba gem for deep copy/clone (dup with associations)
  amoeba do
    enable
    exclude_association [:attribute_modules, :attribute_organizations]

    customize(lambda { |original_record, new_record|
      new_record.reference_uuid = original_record.uuid
      new_record.reference_id = original_record.id
      new_record.record_status = RecordStatus.find_by_name('Proposed') #RecordStatus.first
    })
  end

  #Search fields
  scoped_search :on => [:name, :alias, :description, :created_at, :updated_at]

  #Override
  def to_s
    name + ' - ' + description.truncate(20)
  end

  #Type of the aggregation
  #Not finished
  def self.type_aggregation
    [['Moyenne', 'average'], ['Somme', 'sum'], ['Maximum', 'maxi']]
  end

  def self.type_values
    [['Integer', 'integer'], ['Float', 'float'], ['Date', 'date'], ['Text', 'text'], ['List', 'list']]
  end

  def self.value_options
    [
        ['Greater than or equal to', '>='],
        ['Greater than', '>'],
        ['Lower than or equal to', '<='],
        ['Lower than', '<'],
        ['Equal to', '=='],
        ['Not equal to', '!='],
        ['Between', 'between']
    ]
  end

  #return the data type
  def data_type
    self.attr_type
  end

  #return the data type
  def attribute_type
    case self.attr_type
      when 'integer'
        'numeric'
      when 'float'
        'numeric'
      when 'date'
        'date'
      when 'text'
        'string'
      when 'list'
        'string'
      when 'array'
        'string'
      else
        'string'
    end
  end
end