Class: Grape::Validations::Validator

Inherits:

Object

• Object
• Grape::Validations::Validator

show all

Defined in:

lib/grape/validations.rb,
lib/grape/validations.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) attrs readonly

  Returns the value of attribute attrs.

Class Method Summary (collapse)

• + (Object) inherited(klass)

Instance Method Summary (collapse)

• - (Validator) initialize(attrs, options, required, scope) constructor

  A new instance of Validator.

• - (Object) validate!(params)

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# File 'lib/grape/validations.rb', line 11

def initialize(attrs, options, required, scope)
  @attrs = Array(attrs)
  @required = required
  @scope = scope

  if options.is_a?(Hash) && !options.empty?
    raise Grape::Exceptions.UnknownOptions.new(options.keys)
  end
end

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# File 'lib/grape/validations.rb', line 9

def attrs
  @attrs
end

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# File 'lib/grape/validations.rb', line 58

def self.inherited(klass)
  short_name = convert_to_short_name(klass)
  Validations::register_validator(short_name, klass)
end

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# File 'lib/grape/validations.rb', line 21

def validate!(params)
  params = @scope.params(params)

  (params.is_a?(Array) ? params : [params]).each do |resource_params|
    @attrs.each do |attr_name|
      if @required || resource_params.has_key?(attr_name)
        validate_param!(attr_name, resource_params)
      end
    end
  end
end