Sha256: aaed75cf0c6e74c7fefc7d061a01c46fa00c1419c683bfb109438702c58cd116
Contents?: true
Size: 1.29 KB
Versions: 10
Compression:
Stored size: 1.29 KB
Contents
require 'paradocs/base_policy'
module Paradocs
class ConfigurationError < StandardError; end
class Registry
attr_reader :policies
def initialize
@policies = {}
end
def coercions
policies
end
def policy(name, plcy = nil, &block)
validate_policy_class(plcy) if plcy
policies[name] = (plcy || BasePolicy.build(name, :instance_eval, &block))
self
end
private
def validate_policy_class(plcy)
plcy_cls = plcy.is_a?(Class) ? plcy : plcy.class
if plcy_cls < Paradocs::BasePolicy
valid_overriden = plcy_cls.instance_method(:valid?).source_location != Paradocs::BasePolicy.instance_method(:valid?).source_location
raise ConfigurationError.new("Overriding #valid? in #{plcy_cls} is forbidden. Override #validate instead") if valid_overriden
else
required_methods = [:valid?, :coerce, :eligible?, :meta_data, :policy_name] - plcy_cls.instance_methods
raise ConfigurationError.new("Policy #{plcy_cls} should respond to #{required_methods}") unless required_methods.empty?
return plcy unless Paradocs.config.explicit_errors
return plcy if plcy_cls.respond_to?(:errors)
raise ConfigurationError.new("Policy #{plcy_cls} should respond to .errors method")
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems