2009-02-21 00:34:49 +01:00
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# Extracted from dm-validations 0.9.10
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#
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# Copyright (c) 2007 Guy van den Berg
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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module CouchRest
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module Validation
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##
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#
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# @author Guy van den Berg
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# @since 0.9
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class ConfirmationValidator < GenericValidator
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def initialize(field_name, options = {})
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super
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@options = options
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@field_name, @confirm_field_name = field_name, (options[:confirm] || "#{field_name}_confirmation").to_sym
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@options[:allow_nil] = true unless @options.has_key?(:allow_nil)
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end
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def call(target)
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unless valid?(target)
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error_message = @options[:message] || ValidationErrors.default_error_message(:confirmation, field_name)
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add_error(target, error_message, field_name)
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return false
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end
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return true
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end
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def valid?(target)
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field_value = target.send(field_name)
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return true if @options[:allow_nil] && field_value.nil?
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return false if !@options[:allow_nil] && field_value.nil?
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confirm_value = target.instance_variable_get("@#{@confirm_field_name}")
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field_value == confirm_value
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end
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end # class ConfirmationValidator
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module ValidatesIsConfirmed
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##
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# Validates that the given attribute is confirmed by another attribute.
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# A common use case scenario is when you require a user to confirm their
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# password, for which you use both password and password_confirmation
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# attributes.
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#
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# @option :allow_nil<Boolean> true/false (default is true)
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# @option :confirm<Symbol> the attribute that you want to validate
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# against (default is firstattr_confirmation)
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#
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# @example [Usage]
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#
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# class Page < Hash
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# include CouchRest::ExtendedModel
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# include CouchRest::Validations
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#
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# property :password, String
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# property :email, String
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# attr_accessor :password_confirmation
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# attr_accessor :email_repeated
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#
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2009-10-30 19:07:59 +01:00
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# validates_confirmation_of :password
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# validates_confirmation_of :email, :confirm => :email_repeated
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2009-02-21 00:34:49 +01:00
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#
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# # a call to valid? will return false unless:
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# # password == password_confirmation
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# # and
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# # email == email_repeated
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#
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2009-10-30 19:07:59 +01:00
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def validates_confirmation_of(*fields)
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2009-02-21 00:34:49 +01:00
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opts = opts_from_validator_args(fields)
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add_validator_to_context(opts, fields, CouchRest::Validation::ConfirmationValidator)
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end
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2009-10-30 19:07:59 +01:00
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def validates_is_confirmed(*fields)
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warn "[DEPRECATION] `validates_is_confirmed` is deprecated. Please use `validates_confirmation_of` instead."
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validates_confirmation_of(*fields)
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end
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2009-02-21 00:34:49 +01:00
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end # module ValidatesIsConfirmed
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end # module Validation
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end # module CouchRest
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