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Net worth calculation (#508)

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* Add classification generated column to account

* Add basic net worth calculation

* Add net worth tests

* Fix lint errors
This commit is contained in:
Zach Gollwitzer
2024-03-04 08:31:22 -05:00
committed by GitHub
parent 19f15e9391
commit facd74f733
12 changed files with 156 additions and 40 deletions
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4
app/models/account/balance_calculator.rb
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@@ -11,7 +11,7 @@ class Account::BalanceCalculator
oldest_entry = [ valuations.first, transactions.first ].compact.min_by(&:date)
net_transaction_flows = transactions.sum(&:amount)
net_transaction_flows *= -1 if @account.classification == :liability
net_transaction_flows *= -1 if @account.classification == "liability"
implied_start_balance = oldest_entry.is_a?(Valuation) ? oldest_entry.value : @account.balance + net_transaction_flows
prior_balance = implied_start_balance
@@ -22,7 +22,7 @@ class Account::BalanceCalculator
current_balance = valuation.value
else
current_day_net_transaction_flows = transactions.select { |t| t.date == date }.sum(&:amount)
current_day_net_transaction_flows *= -1 if @account.classification == :liability
current_day_net_transaction_flows *= -1 if @account.classification == "liability"
current_balance = prior_balance - current_day_net_transaction_flows
end