31 lines
1.0 KiB
Ruby
31 lines
1.0 KiB
Ruby
class FinancialLink < ApplicationRecord
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has_many :bank_transactions
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has_many :financial_transactions
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has_many :invoices
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scope :incomplete, -> { with_full_sum.where.not('full_sums.full_sum' => 0) }
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scope :with_full_sum, -> {
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select(:id, :note, :full_sum).joins(<<-SQL)
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LEFT JOIN (
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SELECT id, COALESCE(bt_sum, 0) - COALESCE(ft_sum, 0) + COALESCE(i_sum, 0) AS full_sum
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FROM financial_links fl
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LEFT JOIN (
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SELECT financial_link_id, SUM(amount) AS bt_sum
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FROM bank_transactions
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GROUP BY financial_link_id
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) bt ON bt.financial_link_id = fl.id
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LEFT JOIN (
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SELECT financial_link_id, SUM(amount) AS ft_sum
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FROM financial_transactions
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GROUP BY financial_link_id
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) ft ON ft.financial_link_id = fl.id
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LEFT JOIN (
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SELECT financial_link_id, SUM(amount) AS i_sum
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FROM invoices
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GROUP BY financial_link_id
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) i ON i.financial_link_id = fl.id
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) full_sums ON full_sums.id = financial_links.id
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SQL
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}
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end
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