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c1d98fe73b
* Add kind field to valuation * Fix schema conflict * Add kind to valuation * Scaffold opening balance manager * Opening balance manager implementation * Update account import to use opening balance manager + tests * Update account to use opening balance manager * Fix test assertions, usage of current balance manager * Lint fixes * Add Opening Balance manager, add tests to forward calculator * Add credit card to "all cash" designation * Simplify valuation model * Add current balance manager with tests * Add current balance logic to reverse calculator and plaid sync * Tweaks to initial calc logic * Ledger testing helper, tweak assertions for reverse calculator * Update test assertions * Extract balance transformer, simplify calculators * Algo simplifications * Final tweaks to calculators * Cleanup * Fix error, propagate sync errors up to parent * Update migration script, valuation naming
99 lines
2.7 KiB
Ruby
99 lines
2.7 KiB
Ruby
class Account::OpeningBalanceManager
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Result = Struct.new(:success?, :changes_made?, :error, keyword_init: true)
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def initialize(account)
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@account = account
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end
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def has_opening_anchor?
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opening_anchor_valuation.present?
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end
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# Most accounts should have an opening anchor. If not, we derive the opening date from the oldest entry date
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def opening_date
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return opening_anchor_valuation.entry.date if opening_anchor_valuation.present?
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[
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account.entries.valuations.order(:date).first&.date,
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account.entries.where.not(entryable_type: "Valuation").order(:date).first&.date&.prev_day
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].compact.min || Date.current
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end
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def opening_balance
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opening_anchor_valuation&.entry&.amount || 0
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end
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def set_opening_balance(balance:, date: nil)
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resolved_date = date || default_date
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# Validate date is before oldest entry
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if date && oldest_entry_date && resolved_date >= oldest_entry_date
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return Result.new(success?: false, changes_made?: false, error: "Opening balance date must be before the oldest entry date")
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end
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if opening_anchor_valuation.nil?
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create_opening_anchor(
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balance: balance,
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date: resolved_date
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)
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Result.new(success?: true, changes_made?: true, error: nil)
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else
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changes_made = update_opening_anchor(balance: balance, date: date)
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Result.new(success?: true, changes_made?: changes_made, error: nil)
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end
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end
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private
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attr_reader :account
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def opening_anchor_valuation
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@opening_anchor_valuation ||= account.valuations.opening_anchor.includes(:entry).first
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end
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def oldest_entry_date
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@oldest_entry_date ||= account.entries.minimum(:date)
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end
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def default_date
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if oldest_entry_date
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[ oldest_entry_date - 1.day, 2.years.ago.to_date ].min
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else
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2.years.ago.to_date
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end
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end
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def create_opening_anchor(balance:, date:)
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account.entries.create!(
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date: date,
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name: Valuation.build_opening_anchor_name(account.accountable_type),
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amount: balance,
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currency: account.currency,
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entryable: Valuation.new(
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kind: "opening_anchor"
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)
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)
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end
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def update_opening_anchor(balance:, date: nil)
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changes_made = false
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ActiveRecord::Base.transaction do
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# Update associated entry attributes
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entry = opening_anchor_valuation.entry
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if entry.amount != balance
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entry.amount = balance
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changes_made = true
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end
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if date.present? && entry.date != date
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entry.date = date
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changes_made = true
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end
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entry.save! if entry.changed?
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end
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changes_made
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end
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end
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