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Contents
module MongoMapper
module Validations
module Macros
def validates_uniqueness_of(*args)
add_validations(args, MongoMapper::Validations::ValidatesUniquenessOf)
end
def validates_exclusion_of(*args)
add_validations(args, MongoMapper::Validations::ValidatesExclusionOf)
end
def validates_inclusion_of(*args)
add_validations(args, MongoMapper::Validations::ValidatesInclusionOf)
end
end
class ValidatesUniquenessOf < Validatable::ValidationBase
option :scope
def valid?(instance)
doc = instance.class.find(:first, :conditions => {self.attribute => instance[attribute]}.merge(scope_conditions(instance)), :limit => 1)
doc.nil? || instance.id == doc.id
end
def message(instance)
super || "has already been taken"
end
def scope_conditions(instance)
return {} unless scope
Array(scope).inject({}) do |conditions, key|
conditions.merge(key => instance[key])
end
end
end
class ValidatesExclusionOf < Validatable::ValidationBase
required_option :within
def valid?(instance)
value = instance[attribute]
return true if allow_nil && value.nil?
return true if allow_blank && value.blank?
!within.include?(instance[attribute])
end
def message(instance)
super || "is reserved"
end
end
class ValidatesInclusionOf < Validatable::ValidationBase
required_option :within
def valid?(instance)
value = instance[attribute]
return true if allow_nil && value.nil?
return true if allow_blank && value.blank?
within.include?(value)
end
def message(instance)
super || "is not in the list"
end
end
end
end
Version data entries
16 entries across 16 versions & 3 rubygems