Sha256: 4491589e2368530e051d306d30b92d02419b74e57c85a26320a977f97f958f3e
Contents?: true
Size: 1.88 KB
Versions: 19
Compression:
Stored size: 1.88 KB
Contents
# frozen_string_literal: true
module PagesCore
module Configuration
class Base
class InvalidConfigurationKey < StandardError; end
SettingStruct = Struct.new(:type, :default)
def self.settings
@settings ||= {}
end
def self.setting(key, type, default = nil)
settings[key] = SettingStruct.new(type, default)
define_method key do |*args|
args.any? ? set(key, *args) : get(key)
end
define_method "#{key}=" do |value|
set(key, value)
end
define_method "#{key}?" do
get(key) ? true : false
end
end
def get(key)
raise InvalidConfigurationKey unless setting?(key)
if configuration.key?(key)
configuration[key]
else
self.class.settings[key].default
end
end
def set(key, value)
raise InvalidConfigurationKey unless setting?(key)
value = parse_value(key, value)
unless valid_type?(key, value)
raise(
ArgumentError,
"expected #{self.class.settings[key].type}, got #{value.class}"
)
end
configuration[key] = value
end
protected
def configuration
@configuration ||= {}
end
def setting?(key)
self.class.settings.key?(key)
end
def type_for(key)
self.class.settings[key].type
end
def valid_type?(key, value)
return true if value.nil?
if type_for(key) == :boolean
value.is_a?(TrueClass) || value.is_a?(FalseClass)
else
value.is_a?(type_for(key).to_s.camelize.constantize)
end
end
def parse_value(key, value)
if type_for(key) == :boolean
value = true if value == :enabled
value = false if value == :disabled
end
value
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems