84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
# backend/app/modules/trial_balance/service.py
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from decimal import Decimal
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from typing import Dict, Any, List
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from app.core.database import get_connection
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def D(x) -> Decimal:
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return Decimal(str(x or 0))
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def fetch_trial_balance(date_from: str, date_to: str):
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with get_connection() as conn, conn.cursor() as cur:
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cur.execute("""
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SELECT account_id, account_code, account_name, account_type
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FROM accounts
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WHERE is_active = true
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ORDER BY account_code
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""")
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accounts = cur.fetchall()
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result_accounts: List[Dict[str, Any]] = []
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total_opening = Decimal("0")
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total_debit = Decimal("0")
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total_credit = Decimal("0")
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total_closing = Decimal("0")
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for acc in accounts:
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aid = acc["account_id"]
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# 期首
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cur.execute("""
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SELECT COALESCE(SUM(l.debit - l.credit), 0) AS opening
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FROM journal_lines l
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JOIN journal_entries j ON j.journal_id = l.journal_id
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AND j.is_deleted = false
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WHERE l.account_id = %s
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AND j.journal_date < %s
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""", (aid, date_from))
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opening = D(cur.fetchone()["opening"])
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# 当期
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cur.execute("""
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SELECT
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COALESCE(SUM(l.debit), 0) AS debit,
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COALESCE(SUM(l.credit), 0) AS credit
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FROM journal_lines l
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JOIN journal_entries j ON j.journal_id = l.journal_id
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AND j.is_deleted = false
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WHERE l.account_id = %s
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AND j.journal_date BETWEEN %s AND %s
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""", (aid, date_from, date_to))
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row = cur.fetchone()
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debit = D(row["debit"])
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credit = D(row["credit"])
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closing = opening + debit - credit
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total_opening += opening
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total_debit += debit
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total_credit += credit
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total_closing += closing
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result_accounts.append({
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"account_id": aid,
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"account_code": acc["account_code"],
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"account_name": acc["account_name"],
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"account_type": acc["account_type"],
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"opening_balance": str(opening),
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"debit": str(debit),
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"credit": str(credit),
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"closing_balance": str(closing),
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})
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return {
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"totals": {
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"opening_balance": str(total_opening),
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"debit": str(total_debit),
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"credit": str(total_credit),
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"closing_balance": str(total_closing)
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},
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"accounts": result_accounts
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}
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