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module Validation
module Rule
# Matches rule
class Matches
attr_writer :obj
# This class should take the field to match with in the constructor:
#
# rule = Validation::Rule::Matches(:password)
# rule.obj = OpenStruct.new(:password => 'foo')
# rule.valid_value?('foo')
def initialize(matcher_field)
@matcher_field = matcher_field
end
# The error key for this rule
def error_key
:matches
end
# Params is the matcher_field given in the constructor
def params
@matcher_field
end
# Determines if value matches the field given in the constructor
def valid_value?(value)
matcher_value = @obj.send(@matcher_field)
matcher_value == value
end
end
end
end
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