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Versions: 9
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Contents
module CustomFields
module Types
module BelongsTo
module Field
extend ActiveSupport::Concern
included do
def belongs_to_to_recipe
{ 'class_name' => self.class_name, 'inverse_of' => self.inverse_of }
end
def belongs_to_is_relationship?
self.type == 'belongs_to'
end
end
end
module Target
extend ActiveSupport::Concern
module ClassMethods
# Adds a belongs_to relationship between 2 models
#
# @param [ Class ] klass The class to modify
# @param [ Hash ] rule It contains the name of the field and if it is required or not
#
def apply_belongs_to_custom_field(klass, rule)
# puts "#{klass.inspect}.belongs_to #{rule['name'].inspect}, class_name: #{rule['class_name'].inspect}" # DEBUG
position_name = "position_in_#{rule['name'].underscore}"
# puts "#{klass.inspect}.field :#{position_name}" # DEBUG
klass.field position_name, type: ::Integer, default: 0
options = { class_name: rule['class_name'], optional: true }
options[:inverse_of] = rule['inverse_of'] unless rule['inverse_of'].blank? # an empty String can cause weird behaviours
klass.belongs_to rule['name'].to_sym, options
if rule['required']
klass.validates_presence_of rule['name'].to_sym
end
klass.before_create do |object|
position = (object.class.max(position_name.to_sym) || 0) + 1
object.send(:"#{position_name}=", position)
end
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems