change ORM attribute generation and extension mechanism

now using shim since the attribute matcher is not required for AM
This commit is contained in:
Adam Meehan
2010-09-16 22:33:22 +10:00
parent d0080ebac4
commit 9ddd150b2f
11 changed files with 179 additions and 81 deletions

View File

@@ -1,6 +1,6 @@
ValidatesTimeliness.setup do |config|
# Add validation helpers to these classes
# config.extend_classes = [ ActiveRecord::Base ]
# Add plugin to supported ORMs (only :active_record for now)
# config.extend_orms = [ :active_record ]
#
# Set the dummy date part for a time type values.
# config.dummy_date_for_time_type = [ 2000, 1, 1 ]

View File

@@ -15,9 +15,9 @@ require 'active_support/core_ext/date_time/zones'
module ValidatesTimeliness
autoload :VERSION, 'validates_timeliness/version'
# Add validation helpers to these classes
mattr_accessor :extend_classes
@@extend_classes = [ defined?(ActiveRecord) && ActiveRecord::Base ].compact
# Add plugin to supported ORMs (only :active_record for now)
mattr_accessor :extend_orms
@@extend_orms = [ defined?(ActiveRecord) && :active_record ].compact
# Set the dummy date part for a time type values.
mattr_accessor :dummy_date_for_time_type
@@ -37,10 +37,7 @@ module ValidatesTimeliness
# Setup method for plugin configuration
def self.setup
yield self
extend_classes.each {|klass|
klass.send(:include, ValidatesTimeliness::HelperMethods)
klass.send(:include, ValidatesTimeliness::AttributeMethods)
}
extend_orms.each {|orm| require "validates_timeliness/orms/#{orm}" }
end
end

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@@ -2,28 +2,39 @@ module ValidatesTimeliness
module AttributeMethods
extend ActiveSupport::Concern
included do
if attribute_method_matchers.any? {|m| m.suffix == "_before_type_cast" && m.prefix.blank? }
extend BeforeTypeCastMethods
end
end
module ClassMethods
def define_timeliness_methods(before_type_cast=false)
timeliness_validated_attributes.each do |attr_name, type|
define_timeliness_write_method(attr_name, type, timeliness_attribute_timezone_aware?(attr_name))
define_timeliness_before_type_cast_method(attr_name) if before_type_cast
end
end
protected
def define_method_attribute=(attr_name)
if timeliness_validated_attributes.include?(attr_name)
method_body, line = <<-EOV, __LINE__ + 1
def #{attr_name}=(value)
@attributes_cache ||= {}
@attributes_cache["_#{attr_name}_before_type_cast"] = value
super
end
EOV
class_eval(method_body, __FILE__, line)
end
super rescue(NoMethodError)
def define_timeliness_write_method(attr_name, type, timezone_aware)
method_body, line = <<-EOV, __LINE__ + 1
def #{attr_name}=(value)
@attributes_cache ||= {}
@attributes_cache["_#{attr_name}_before_type_cast"] = value
super
end
EOV
class_eval(method_body, __FILE__, line)
end
def define_timeliness_before_type_cast_method(attr_name)
method_body, line = <<-EOV, __LINE__ + 1
def #{attr_name}_before_type_cast
_timeliness_raw_value_for('#{attr_name}')
end
EOV
class_eval(method_body, __FILE__, line)
end
def timeliness_attribute_timezone_aware?(attr_name)
false
end
end
@@ -36,22 +47,5 @@ module ValidatesTimeliness
end
module BeforeTypeCastMethods
def define_method_attribute_before_type_cast(attr_name)
if timeliness_validated_attributes.include?(attr_name)
method_body, line = <<-EOV, __LINE__ + 1
def #{attr_name}_before_type_cast
_timeliness_raw_value_for('#{attr_name}')
end
EOV
class_eval(method_body, __FILE__, line)
else
super rescue(NoMethodError)
end
end
end
end
end

View File

@@ -5,30 +5,37 @@ module ValidatesTimeliness
included do
include ValidationMethods
extend ValidationMethods
class_inheritable_accessor :timeliness_validated_attributes
self.timeliness_validated_attributes = {}
end
module ValidationMethods
def validates_timeliness_of(*attr_names)
options = _merge_attributes(attr_names)
attributes = options[:attributes].inject({}) {|validated, attr_name|
attr_name = attr_name.to_s
validated[attr_name] = options[:type]
validated
}
timeliness_validated_attributes.update(attributes)
validates_with Validator, options
end
def validates_date(*attr_names)
validates_with Validator, _merge_attributes(attr_names).merge(:type => :date)
options = attr_names.extract_options!
validates_timeliness_of *(attr_names << options.merge(:type => :date))
end
def validates_time(*attr_names)
validates_with Validator, _merge_attributes(attr_names).merge(:type => :time)
options = attr_names.extract_options!
validates_timeliness_of *(attr_names << options.merge(:type => :time))
end
def validates_datetime(*attr_names)
validates_with Validator, _merge_attributes(attr_names).merge(:type => :datetime)
options = attr_names.extract_options!
validates_timeliness_of *(attr_names << options.merge(:type => :datetime))
end
end
module ClassMethods
def timeliness_validated_attributes
@timeliness_validated_attributes ||= begin
_validators.map do |attr_name, validators|
attr_name.to_s if validators.any? {|v| v.is_a?(ValidatesTimeliness::Validator) }
end.compact
end
end
end
end
end

View File

@@ -0,0 +1,14 @@
class ActiveRecord::Base
include ValidatesTimeliness::HelperMethods
include ValidatesTimeliness::AttributeMethods
def self.define_attribute_methods
super
# Define write method and before_type_cast method
define_timeliness_methods(true)
end
def self.timeliness_attribute_timezone_aware?(attr_name)
create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
end
end

View File

@@ -18,9 +18,13 @@ module ValidatesTimeliness
:timeliness
end
def setup(klass)
@klass = klass
end
def initialize(options)
@allow_nil, @allow_blank = options.delete(:allow_nil), options.delete(:allow_blank)
@type = options.delete(:type) || :datetime
@allow_nil, @allow_blank = options.delete(:allow_nil), options.delete(:allow_blank)
@restrictions_to_check = RESTRICTIONS.keys & options.keys
if range = options.delete(:between)