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118 lines
2.8 KiB
Ruby
118 lines
2.8 KiB
Ruby
class Account::TradeBuilder
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include ActiveModel::Model
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attr_accessor :account, :date, :amount, :currency, :qty,
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:price, :ticker, :type, :transfer_account_id
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def save
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buildable.save
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end
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def errors
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buildable.errors
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end
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def sync_account_later
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buildable.sync_account_later
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end
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private
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def buildable
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case type
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when "buy", "sell"
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build_trade
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when "deposit", "withdrawal"
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build_transfer
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when "interest"
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build_interest
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else
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raise "Unknown trade type: #{type}"
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end
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end
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def build_trade
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prefix = type == "sell" ? "Sell " : "Buy "
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trade_name = prefix + "#{qty.to_i.abs} shares of #{security.ticker}"
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account.entries.new(
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name: trade_name,
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date: date,
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amount: signed_amount,
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currency: currency,
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entryable: Account::Trade.new(
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qty: signed_qty,
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price: price,
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currency: currency,
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security: security
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)
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)
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end
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def build_transfer
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transfer_account = family.accounts.find(transfer_account_id) if transfer_account_id.present?
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if transfer_account
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from_account = type == "withdrawal" ? account : transfer_account
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to_account = type == "withdrawal" ? transfer_account : account
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Account::Transfer.build_from_accounts(
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from_account,
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to_account,
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date: date,
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amount: signed_amount
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)
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else
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account.entries.build(
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name: signed_amount < 0 ? "Deposit to #{account.name}" : "Withdrawal from #{account.name}",
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date: date,
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amount: signed_amount,
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currency: currency,
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entryable: Account::Transaction.new(
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category: account.family.default_transfer_category
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)
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)
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end
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end
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def build_interest
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account.entries.build(
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name: "Interest payment",
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date: date,
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amount: signed_amount,
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currency: currency,
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entryable: Account::Transaction.new
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)
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end
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def signed_qty
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return nil unless type.in?([ "buy", "sell" ])
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type == "sell" ? -qty.to_d : qty.to_d
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end
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def signed_amount
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case type
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when "buy", "sell"
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signed_qty * price.to_d
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when "deposit", "withdrawal"
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type == "deposit" ? -amount.to_d : amount.to_d
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when "interest"
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amount.to_d * -1
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end
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end
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def family
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account.family
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end
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def security
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ticker_symbol, exchange_mic, exchange_acronym, exchange_country_code = ticker.split("|")
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security = Security.find_or_create_by(ticker: ticker_symbol, exchange_mic: exchange_mic, country_code: exchange_country_code)
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security.update(exchange_acronym: exchange_acronym)
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FetchSecurityInfoJob.perform_later(security.id)
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security
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end
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end
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