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Add back price and exchange rate syncs to account syncs

This commit is contained in:
Zach Gollwitzer 2025-05-16 13:58:31 -04:00
parent 22a6ff67f4
commit 09dae9255a
7 changed files with 205 additions and 83 deletions

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@ -1,5 +1,5 @@
class Account < ApplicationRecord
include Syncable, Monetizable, Chartable, Linkable, Convertible, Enrichable
include Syncable, Monetizable, Chartable, Linkable, Enrichable
validates :name, :balance, :currency, presence: true

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@ -1,28 +0,0 @@
module Account::Convertible
extend ActiveSupport::Concern
def sync_required_exchange_rates
unless requires_exchange_rates?
Rails.logger.info("No exchange rate sync needed for account #{id}")
return
end
affected_row_count = ExchangeRate.sync_provider_rates(
from: currency,
to: target_currency,
start_date: start_date,
end_date: Date.current
)
Rails.logger.info("Synced #{affected_row_count} exchange rates for account #{id}")
end
private
def target_currency
family.currency
end
def requires_exchange_rates?
currency != target_currency
end
end

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@ -0,0 +1,82 @@
class Account::MarketDataSyncer
attr_reader :account
def initialize(account)
@account = account
end
def sync_market_data
sync_exchange_rates
sync_security_prices
end
private
def sync_exchange_rates
return unless needs_exchange_rates?
return unless ExchangeRate.provider
pair_dates = {}
# 1. ENTRY-BASED PAIRS currencies that differ from the account currency
account.entries
.where.not(currency: account.currency)
.group(:currency)
.minimum(:date)
.each do |source_currency, date|
key = [ source_currency, account.currency ]
pair_dates[key] = [ pair_dates[key], date ].compact.min
end
# 2. ACCOUNT-BASED PAIR convert the account currency to the family currency (if different)
if foreign_account?
key = [ account.currency, account.family.currency ]
pair_dates[key] = [ pair_dates[key], account.start_date ].compact.min
end
pair_dates.each do |(source, target), start_date|
ExchangeRate.sync_provider_rates(
from: source,
to: target,
start_date: start_date,
end_date: Date.current
)
end
end
def sync_security_prices
return unless Security.provider
account_securities = account.trades.map(&:security).uniq
return if account_securities.empty?
account_securities.each do |security|
security.sync_provider_prices(
start_date: first_required_price_date(security),
end_date: Date.current
)
security.sync_provider_details
end
end
# Calculates the first date we require a price for the given security scoped to this account
def first_required_price_date(security)
account.trades.with_entry
.where(security: security)
.where(entries: { account_id: account.id })
.minimum("entries.date")
end
def needs_exchange_rates?
has_multi_currency_entries? || foreign_account?
end
def has_multi_currency_entries?
account.entries.where.not(currency: account.currency).exists?
end
def foreign_account?
account.currency != account.family.currency
end
end

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@ -7,6 +7,7 @@ class Account::Syncer
def perform_sync(sync)
Rails.logger.info("Processing balances (#{account.linked? ? 'reverse' : 'forward'})")
sync_market_data
sync_balances
end
@ -19,4 +20,18 @@ class Account::Syncer
strategy = account.linked? ? :reverse : :forward
Balance::Syncer.new(account, strategy: strategy).sync_balances
end
# Syncs all the exchange rates + security prices this account needs to display historical chart data
#
# This is a *supplemental* sync. The daily market data sync should have already populated
# a majority or all of this data, so this is often a no-op.
#
# We rescue errors here because if this operation fails, we don't want to fail the entire sync since
# we have reasonable fallbacks for missing market data.
def sync_market_data
Account::MarketDataSyncer.new(account).sync_market_data
rescue => e
Rails.logger.error("Error syncing market data for account #{account.id}: #{e.message}")
Sentry.capture_exception(e)
end
end

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@ -19,8 +19,6 @@ class Balance::Syncer
if strategy == :forward
update_account_info
end
account.sync_required_exchange_rates
end
end

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@ -1,52 +0,0 @@
require "test_helper"
require "ostruct"
class Account::ConvertibleTest < ActiveSupport::TestCase
include EntriesTestHelper, ProviderTestHelper
setup do
@family = families(:empty)
@family.update!(currency: "USD")
# Foreign account (currency is not in the family's primary currency, so it will require exchange rates for net worth rollups)
@account = @family.accounts.create!(name: "Test Account", currency: "EUR", balance: 10000, accountable: Depository.new)
@provider = mock
ExchangeRate.stubs(:provider).returns(@provider)
end
test "syncs required exchange rates for an account" do
create_valuation(account: @account, date: 1.day.ago.to_date, amount: 9500, currency: "EUR")
# Since we had a valuation 1 day ago, this account starts 2 days ago and needs daily exchange rates looking forward
assert_equal 2.days.ago.to_date, @account.start_date
ExchangeRate.delete_all
provider_response = provider_success_response(
[
OpenStruct.new(from: "EUR", to: "USD", date: 2.days.ago.to_date, rate: 1.1),
OpenStruct.new(from: "EUR", to: "USD", date: 1.day.ago.to_date, rate: 1.2),
OpenStruct.new(from: "EUR", to: "USD", date: Date.current, rate: 1.3)
]
)
@provider.expects(:fetch_exchange_rates)
.with(from: "EUR", to: "USD", start_date: 2.days.ago.to_date - 5.days, end_date: Date.current)
.returns(provider_response)
assert_difference "ExchangeRate.count", 3 do
@account.sync_required_exchange_rates
end
end
test "does not sync rates for a domestic account" do
@account.update!(currency: "USD")
@provider.expects(:fetch_exchange_rates).never
assert_no_difference "ExchangeRate.count" do
@account.sync_required_exchange_rates
end
end
end

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@ -0,0 +1,107 @@
require "test_helper"
require "ostruct"
class Account::MarketDataSyncerTest < ActiveSupport::TestCase
include ProviderTestHelper
PROVIDER_BUFFER = 5.days
setup do
# Ensure a clean slate for deterministic assertions
Security::Price.delete_all
ExchangeRate.delete_all
Trade.delete_all
Holding.delete_all
Security.delete_all
Entry.delete_all
@provider = mock("provider")
Provider::Registry.any_instance
.stubs(:get_provider)
.with(:synth)
.returns(@provider)
end
test "syncs required exchange rates for a foreign-currency account" do
family = Family.create!(name: "Smith", currency: "USD")
account = family.accounts.create!(
name: "Chequing",
currency: "CAD",
balance: 100,
accountable: Depository.new
)
# Seed a rate for the first required day so that the syncer only needs the next day forward
existing_date = account.start_date
ExchangeRate.create!(from_currency: "CAD", to_currency: "USD", date: existing_date, rate: 2.0)
expected_start_date = (existing_date + 1.day) - PROVIDER_BUFFER
end_date = Date.current.in_time_zone("America/New_York").to_date
@provider.expects(:fetch_exchange_rates)
.with(from: "CAD",
to: "USD",
start_date: expected_start_date,
end_date: end_date)
.returns(provider_success_response([
OpenStruct.new(from: "CAD", to: "USD", date: existing_date, rate: 1.5)
]))
before = ExchangeRate.count
Account::MarketDataSyncer.new(account).sync_market_data
after = ExchangeRate.count
assert_operator after, :>, before, "Should insert at least one new exchange-rate row"
end
test "syncs security prices for securities traded by the account" do
family = Family.create!(name: "Smith", currency: "USD")
account = family.accounts.create!(
name: "Brokerage",
currency: "USD",
balance: 0,
accountable: Investment.new
)
security = Security.create!(ticker: "AAPL", exchange_operating_mic: "XNAS")
trade_date = 10.days.ago.to_date
trade = Trade.new(security: security, qty: 1, price: 100, currency: "USD")
account.entries.create!(
name: "Buy AAPL",
date: trade_date,
amount: 100,
currency: "USD",
entryable: trade
)
expected_start_date = trade_date - PROVIDER_BUFFER
end_date = Date.current.in_time_zone("America/New_York").to_date
@provider.expects(:fetch_security_prices)
.with(symbol: security.ticker,
exchange_operating_mic: security.exchange_operating_mic,
start_date: expected_start_date,
end_date: end_date)
.returns(provider_success_response([
OpenStruct.new(security: security,
date: trade_date,
price: 100,
currency: "USD")
]))
@provider.stubs(:fetch_security_info)
.with(symbol: security.ticker, exchange_operating_mic: security.exchange_operating_mic)
.returns(provider_success_response(OpenStruct.new(name: "Apple", logo_url: "logo")))
# Ignore exchange-rate calls for this test
@provider.stubs(:fetch_exchange_rates).returns(provider_success_response([]))
Account::MarketDataSyncer.new(account).sync_market_data
assert_equal 1, Security::Price.where(security: security, date: trade_date).count
end
end