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product_group.rb
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product_group.rb
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# = Informations
#
# == License
#
# Ekylibre - Simple agricultural ERP
# Copyright (C) 2008-2009 Brice Texier, Thibaud Merigon
# Copyright (C) 2010-2012 Brice Texier
# Copyright (C) 2012-2017 Brice Texier, David Joulin
#
# 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
# 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.
#
# == Table: products
#
# address_id :integer
# birth_date_completeness :string
# birth_farm_number :string
# born_at :datetime
# category_id :integer not null
# codes :jsonb
# country :string
# created_at :datetime not null
# creator_id :integer
# custom_fields :jsonb
# dead_at :datetime
# default_storage_id :integer
# derivative_of :string
# description :text
# end_of_life_reason :string
# father_country :string
# father_identification_number :string
# father_variety :string
# filiation_status :string
# first_calving_on :datetime
# fixed_asset_id :integer
# id :integer not null, primary key
# identification_number :string
# initial_born_at :datetime
# initial_container_id :integer
# initial_dead_at :datetime
# initial_enjoyer_id :integer
# initial_father_id :integer
# initial_geolocation :geometry({:srid=>4326, :type=>"st_point"})
# initial_mother_id :integer
# initial_movement_id :integer
# initial_owner_id :integer
# initial_population :decimal(19, 4) default(0.0)
# initial_shape :geometry({:srid=>4326, :type=>"multi_polygon"})
# lock_version :integer default(0), not null
# member_variant_id :integer
# mother_country :string
# mother_identification_number :string
# mother_variety :string
# name :string not null
# nature_id :integer not null
# number :string not null
# origin_country :string
# origin_identification_number :string
# originator_id :integer
# parent_id :integer
# person_id :integer
# picture_content_type :string
# picture_file_name :string
# picture_file_size :integer
# picture_updated_at :datetime
# team_id :integer
# tracking_id :integer
# type :string
# updated_at :datetime not null
# updater_id :integer
# uuid :uuid
# variant_id :integer not null
# variety :string not null
# work_number :string
#
class ProductGroup < Product
refers_to :variety, scope: :product_group
belongs_to :parent, class_name: 'ProductGroup'
has_many :memberships, class_name: 'ProductMembership', foreign_key: :group_id, dependent: :destroy, inverse_of: :group
has_many :members, through: :memberships
scope :available, -> {}
scope :availables, ->(**args) {
at = args[:at]
return available if at.blank?
if at.is_a?(String)
if at =~ /\A\d\d\d\d\-\d\d\-\d\d \d\d\:\d\d/
available.at(Time.strptime(at, '%Y-%m-%d %H:%M'))
else
logger.warn('Cannot parse: ' + at)
available
end
else
available.at(at)
end
}
# TODO: see STI scope in unroll
scope :of_expression, lambda { |expression|
joins(:nature).where(WorkingSet.to_sql(expression, default: :products, abilities: :product_natures, indicators: :product_natures))
}
scope :groups_of, lambda { |member, viewed_at|
where("id IN (SELECT group_id FROM #{ProductMembership.table_name} WHERE member_id = ? AND nature = ? AND ? BETWEEN COALESCE(started_at, ?) AND COALESCE(stopped_at, ?))", member.id, 'interior', viewed_at, viewed_at, viewed_at)
}
# FIXME
# accepts_nested_attributes_for :memberships, :reject_if => :all_blank, :allow_destroy => true
# [VALIDATORS[ Do not edit these lines directly. Use `rake clean:validations`.
# ]VALIDATORS]
# Add a member to the group
def add(member, options = {})
unless member.is_a?(Product)
raise ArgumentError, "Product expected, got #{member.class}:#{member.inspect}"
end
Intervention.write(:group_inclusion, options) do |i|
i.cast :group, self, as: 'group_inclusion-target'
i.cast :member, member, as: 'group_inclusion-includer'
i.group_inclusion :group, :member
end
# self.memberships.create!(member: member, started_at: (options[:at] || Time.zone.now), nature: :interior)
end
# Remove a member from the group
def remove(member, _options = {})
unless member.is_a?(Product)
raise ArgumentError, "Product expected, got #{member.class}:#{member.inspect}"
end
Intervention.write(:group_exclusion, at: started_at, production: production) do |i|
i.cast :group, self, as: 'group_exclusion-target'
i.cast :member, member, as: 'group_exclusion-includer'
i.group_exclusion :group, :member
end
# self.memberships.create!(member: member, started_at: (options[:at] || Time.zone.now), nature: :exterior)
end
# Returns members of the group at a given time (or now by default)
def members_at(viewed_at = nil)
Product.members_of(self, viewed_at || Time.zone.now)
end
end