class Grape::Validations::Validators::Base
Attributes
Public Class Methods
Source
# File lib/grape/validations/validators/base.rb, line 60 def self.inherited(klass) super Validations.register(klass) end
Source
# File lib/grape/validations/validators/base.rb, line 17 def initialize(attrs, options, required, scope, opts) @attrs = Array(attrs) @option = options @required = required @scope = scope @fail_fast = opts[:fail_fast] @allow_blank = opts[:allow_blank] end
Creates a new Validator from options specified by a requires
or optional
directive during parameter definition. @param attrs [Array] names of attributes to which the Validator applies @param options [Object] implementation-dependent Validator options @param required [Boolean] attribute(s) are required or optional @param scope [ParamsScope] parent scope for this Validator @param opts [Hash] additional validation options
Public Instance Methods
Source
# File lib/grape/validations/validators/base.rb, line 75 def fail_fast? @fail_fast end
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# File lib/grape/validations/validators/base.rb, line 65 def message(default_key = nil) options = instance_variable_get(:@option) options_key?(:message) ? options[:message] : default_key end
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# File lib/grape/validations/validators/base.rb, line 70 def options_key?(key, options = nil) options = instance_variable_get(:@option) if options.nil? options.try(:key?, key) && !options[key].nil? end
Source
# File lib/grape/validations/validators/base.rb, line 31 def validate(request) return unless @scope.should_validate?(request.params) validate!(request.params) end
Validates a given request. @note Override validate!
unless you need to access the entire request. @param request [Grape::Request] the request currently being handled @raise [Grape::Exceptions::Validation] if validation failed @return [void]
Source
# File lib/grape/validations/validators/base.rb, line 42 def validate!(params) attributes = SingleAttributeIterator.new(self, @scope, params) # we collect errors inside array because # there may be more than one error per field array_errors = [] attributes.each do |val, attr_name, empty_val| next if !@scope.required? && empty_val next unless @scope.meets_dependency?(val, params) validate_param!(attr_name, val) if @required || val.try(:key?, attr_name) rescue Grape::Exceptions::Validation => e array_errors << e end raise Grape::Exceptions::ValidationArrayErrors.new(array_errors) if array_errors.any? end
Validates a given parameter hash. @note Override validate
if you need to access the entire request. @param params [Hash] parameters to validate @raise [Grape::Exceptions::Validation] if validation failed @return [void]