class GlobalID::Locator::BaseLocator

Public Instance Methods

locate(gid, options = {}) click to toggle source
# File lib/global_id/locator.rb, line 157
def locate(gid, options = {})
  return unless model_id_is_valid?(gid)
  model_class = gid.model_class
  model_class = model_class.includes(options[:includes]) if options[:includes]

  model_class.find gid.model_id
end
locate_many(gids, options = {}) click to toggle source
# File lib/global_id/locator.rb, line 165
def locate_many(gids, options = {})
  ids_by_model = Hash.new { |hash, key| hash[key] = [] }

  gids.each do |gid|
    next unless model_id_is_valid?(gid)
    ids_by_model[gid.model_class] << gid.model_id
  end

  records_by_model_name_and_id = {}

  ids_by_model.each do |model, ids|
    records = find_records(model, ids, ignore_missing: options[:ignore_missing], includes: options[:includes])

    records_by_id = records.index_by do |record|
      record.id.is_a?(Array) ? record.id.map(&:to_s) : record.id.to_s
    end

    records_by_model_name_and_id[model.name] = records_by_id
  end

  gids.filter_map { |gid| records_by_model_name_and_id[gid.model_name][gid.model_id] }
end

Private Instance Methods

find_records(model_class, ids, options) click to toggle source
# File lib/global_id/locator.rb, line 189
def find_records(model_class, ids, options)
  model_class = model_class.includes(options[:includes]) if options[:includes]

  if options[:ignore_missing]
    model_class.where(primary_key(model_class) => ids)
  else
    model_class.find(ids)
  end
end
model_id_is_valid?(gid) click to toggle source
# File lib/global_id/locator.rb, line 199
def model_id_is_valid?(gid)
  Array(gid.model_id).size == Array(primary_key(gid.model_class)).size
end
primary_key(model_class) click to toggle source
# File lib/global_id/locator.rb, line 203
def primary_key(model_class)
  model_class.respond_to?(:primary_key) ? model_class.primary_key : :id
end