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a90f9b7317
* [FEATURE] Add CoinStats exchange portfolios and normalize linked investment charts * [BUGFIX] Fix CoinStats PR regressions * [BUGFIX] Fix CoinStats PR review findings * [BUGFIX] Address follow-up CoinStats PR feedback * [REFACTO] Extract CoinStats exchange account helpers * [BUGFIX] Batch linked CoinStats chart normalization * [BUGFIX] Fix CoinStats processor lint --------- Signed-off-by: Juan José Mata <juanjo.mata@gmail.com> Co-authored-by: Juan José Mata <juanjo.mata@gmail.com>
43 lines
1.2 KiB
Ruby
43 lines
1.2 KiB
Ruby
# Captures the most recent holding quantities for each security in an account's portfolio.
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# Returns a portfolio hash compatible with the reverse calculator's format.
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class Holding::PortfolioSnapshot
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attr_reader :account
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def initialize(account)
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@account = account
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end
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# Returns a hash of {security_id => qty} representing today's starting portfolio.
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# Includes all securities from trades (with 0 qty if no holdings exist).
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def to_h
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@portfolio ||= build_portfolio
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end
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private
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def build_portfolio
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# Start with all securities from trades initialized to 0
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portfolio = account.trades
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.pluck(:security_id)
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.uniq
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.each_with_object({}) { |security_id, hash| hash[security_id] = 0 }
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latest_holdings_scope.each do |holding|
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portfolio[holding.security_id] = holding.qty
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end
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portfolio
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end
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def latest_holdings_scope
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if (provider_snapshot_date = account.latest_provider_holdings_snapshot_date)
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account.holdings
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.where.not(account_provider_id: nil)
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.where(date: provider_snapshot_date)
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else
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account.holdings
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.select("DISTINCT ON (security_id) holdings.*")
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.order(:security_id, date: :desc)
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end
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end
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end
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