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lpr-partynest/app/models/org_unit.rb

77 lines
1.6 KiB
Ruby

# frozen_string_literal: true
class OrgUnit < ApplicationRecord
################
# Associations #
################
belongs_to :kind,
class_name: 'OrgUnitKind',
inverse_of: :instances
belongs_to :parent_unit,
class_name: 'OrgUnit',
inverse_of: :children_units,
optional: true
belongs_to :resource,
polymorphic: true,
optional: true
has_many :children_units,
class_name: 'OrgUnit',
inverse_of: :parent_unit,
foreign_key: :parent_unit_id
has_many :all_relationships,
class_name: 'Relationship',
inverse_of: :org_unit
###############
# Validations #
###############
validates :short_name, good_small_text: true, uniqueness: true
validates :name, good_small_text: true, uniqueness: true
validates :parent_unit,
presence: { if: :requires_parent?, message: :required },
absence: { unless: :requires_parent? }
validates :resource,
presence: {
if: ->(record) { record.kind&.resource_type },
message: :required,
}
validate :parent_matches_kind
#############
# Callbacks #
#############
before_validation :set_level
###########
# Methods #
###########
def requires_parent?
kind&.parent_kind
end
private
def parent_matches_kind
errors.add :parent_unit unless parent_unit&.kind == kind&.parent_kind
end
def set_level
self.level =
if parent_unit.nil? then 0
elsif parent_unit.level.nil? then nil
else parent_unit.level + 1
end
end
end