class Grape::Validations::DefaultValidator
Public Class Methods
new(attrs, options, required, scope, **opts)
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Calls superclass method
Grape::Validations::Base::new
# File lib/grape/validations/validators/default.rb, line 6 def initialize(attrs, options, required, scope, **opts) @default = options super end
Public Instance Methods
validate!(params)
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# File lib/grape/validations/validators/default.rb, line 21 def validate!(params) attrs = SingleAttributeIterator.new(self, @scope, params) attrs.each do |resource_params, attr_name| next unless @scope.meets_dependency?(resource_params, params) validate_param!(attr_name, resource_params) if resource_params.is_a?(Hash) && resource_params[attr_name].nil? end end
validate_param!(attr_name, params)
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# File lib/grape/validations/validators/default.rb, line 11 def validate_param!(attr_name, params) params[attr_name] = if @default.is_a? Proc @default.call elsif @default.frozen? || !duplicatable?(@default) @default else duplicate(@default) end end
Private Instance Methods
duplicatable?(obj)
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return true if we might be able to dup this object
# File lib/grape/validations/validators/default.rb, line 33 def duplicatable?(obj) !obj.nil? && obj != true && obj != false && !obj.is_a?(Symbol) && !obj.is_a?(Numeric) end
duplicate(obj)
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make a best effort to dup the object
# File lib/grape/validations/validators/default.rb, line 42 def duplicate(obj) obj.dup rescue TypeError obj end