class CharacterListInfoParser

Constants

MANDATORY_KEYS
OPTIONAL_KEYS

Public Class Methods

parse(json, api_version) click to toggle source
# File lib/admiral_stats_parser/parser/character_list_info_parser.rb, line 130
def self.parse(json, api_version)
  items_array = JSON.parse(json)

  unless items_array.is_a?(Array)
    raise 'json is not an Array'
  end

  results = []
  items_array.each do |items|
    result = CharacterListInfo.new

    MANDATORY_KEYS[api_version].each do |key, key_class|
      # 必須のキーが含まれなければエラー
      camel_case_key = key.to_s.split('_').inject([]){ |buffer,e| buffer.push(buffer.empty? ? e : e.capitalize) }.join
      unless items.include?(camel_case_key)
        raise "Mandatory key #{key} does not exist"
      end

      # ruby には Boolean クラスがないので、そこだけ特別な処理を用意する
      if key_class == :boolean
        unless [true, false].include?(items[camel_case_key])
          raise "Mandatory key #{key} is not boolean"
        end
      else
        unless items[camel_case_key].is_a?(key_class)
          raise "Mandatory key #{key} is not class #{key_class}"
        end
      end

      result.instance_variable_set("@#{key.to_s}", items[camel_case_key])
    end

    OPTIONAL_KEYS[api_version].each do |key, key_class|
      # キーが含まれなければ、処理をスキップ
      camel_case_key = key.to_s.split('_').inject([]){ |buffer,e| buffer.push(buffer.empty? ? e : e.capitalize) }.join
      next unless items.include?(camel_case_key)

      # 結果のクラスが合わなければエラー
      unless items[camel_case_key].is_a?(key_class)
        raise "Optional key #{key} is not class #{key_class}"
      end

      result.instance_variable_set("@#{key.to_s}", items[camel_case_key])
    end

    results << result
  end

  results
end