module Twobook::Serialization

Public Class Methods

deserialize_account(serialized) click to toggle source
# File lib/twobook/serialization.rb, line 59
def self.deserialize_account(serialized)
  serialized.deep_symbolize_keys!
  klass = Account.from_name(serialized[:name])
  immutable_data = deserialize_data(serialized[:data].slice(*klass.name_includes))
  mutable_data = deserialize_data(serialized[:data].slice(*klass.has))
  account = klass.new(balance: serialized[:balance], **immutable_data)
  account.update_mutable_data(mutable_data)
  account
end
deserialize_agreement(serialized) click to toggle source
# File lib/twobook/serialization.rb, line 30
def self.deserialize_agreement(serialized)
  serialized.deep_symbolize_keys!
  klass = Agreement.from_name(serialized[:name])
  klass.new(**deserialize_data(serialized[:data]))
end
deserialize_data(data) click to toggle source
# File lib/twobook/serialization.rb, line 69
def self.deserialize_data(data)
  converted = data.deep_symbolize_keys
  converted.each { |k, v| converted[k] = try_parse_date(v) if k.to_s.end_with?("_at") }
  converted
end
deserialize_event(serialized) click to toggle source
# File lib/twobook/serialization.rb, line 11
def self.deserialize_event(serialized)
  serialized.deep_symbolize_keys!

  klass = Event.from_name(serialized[:name])
  event = klass.new(
    **deserialize_data(serialized[:data]),
  )

  event.agreements = serialized[:agreements].map { |a| deserialize_agreement(a) }
  event
end
serialize_account(account, before_event: nil, allow_empty: true) click to toggle source
# File lib/twobook/serialization.rb, line 36
def self.serialize_account(account, before_event: nil, allow_empty: true)
  balance, data = if before_event.nil?
                    [account.balance, account.data]
                  else
                    [
                      account.balance_before_event(before_event),
                      account.data_before_event(before_event),
                    ]
                  end

  # If we don't allow empty accounts...
  unless allow_empty
    only_has_name_data = data.keys.all? { |key| key.in?(account.class.name_includes) }
    return nil if balance.zero? && only_has_name_data
  end

  {
    name: account.name,
    balance: balance,
    data: data,
  }.as_json
end
serialize_agreement(agreement) click to toggle source
# File lib/twobook/serialization.rb, line 23
def self.serialize_agreement(agreement)
  {
    name: agreement.class.agreement_name,
    data: agreement.data,
  }.as_json
end
serialize_event(event) click to toggle source
# File lib/twobook/serialization.rb, line 3
def self.serialize_event(event)
  {
    name: event.class.event_name,
    data: event.data,
    agreements: event.agreements.map { |a| serialize_agreement(a) },
  }.as_json
end
try_parse_date(string) click to toggle source
# File lib/twobook/serialization.rb, line 75
def self.try_parse_date(string)
  return string if string.is_a?(Time)
  Time.zone.parse(string)
rescue => _
  raise "Could not convert _at data on account #{inspect}"
end