Module: Grpcx::Entity

Defined in:
lib/grpcx/entity.rb

Overview

Entity releated helpers

Constant Summary collapse

TRUE_VALUES = 
[true, 1, '1', 't', 'T', 'true', 'TRUE', 'on', 'ON'].to_set.freeze

Class Method Summary collapse

Class Method Details

._convert(field, value, &block) ⇒ Object 



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# File 'lib/grpcx/entity.rb', line 7

def self._convert(field, value, &block)
  field.label == :repeated ? value.map(&block) : yield(value) if value # rubocop:disable Style/IfUnlessModifierOfIfUnless
end

.build(msgclass, attrs = {}) ⇒ Object

Parameters:

  • msgclass (Class) —

    messagepack message class

  • attrs (Hash) (defaults to: {}) —

    attributes to assign



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# File 'lib/grpcx/entity.rb', line 17

def build(msgclass, attrs = {}) # rubocop:disable Metrics/MethodLength
  attrs  = ActiveSupport::HashWithIndifferentAccess.new(attrs)
  fields = {}
  msgclass.descriptor.each do |field| # rubocop:disable Metrics/BlockLength
    next unless attrs.key?(field.name)

    source = attrs[field.name]
    target = nil

    case field.type
    when :int64, :int32
      target = Entity._convert(field, source, &:to_i)
    when :float, :double
      target = Entity._convert(field, source, &:to_f)
    when :string
      target = Entity._convert(field, source, &:to_s)
    when :bool
      target = Entity._convert(field, source) do |vv|
        TRUE_VALUES.include?(vv)
      end
    when :enum
      target = Entity._convert(field, source) do |vv|
        case vv
        when Integer
          vv
        when String, Symbol
          field.subtype.lookup_name(vv.to_s.upcase.to_sym)
        end
      end
    when :message
      target = Entity._convert(field, source) do |vv|
        build(field.subtype.msgclass, vv)
      end
    end

    fields[field.name] = target if target
  end

  msgclass.new(fields)
end