修正

backend/app/routers/trial_balance.py

@@ -0,0 +1,59 @@
+from fastapi import APIRouter, Query
+from datetime import date
+from typing import Optional
+from app.core.database import get_connection
+
+router = APIRouter(prefix="/trial-balance", tags=["试算表"])
+
+
+@router.get("", summary="试算表（全科目）")
+def get_trial_balance(
+    fiscal_year: Optional[int] = Query(None, description="会计年度（可选）"),
+    date_from: Optional[date] = Query(None, description="开始日期（可选）"),
+    date_to: Optional[date] = Query(None, description="结束日期（可选）"),
+):
+    print("### trial-balance OPTIONAL PARAMS ACTIVE ###")
+
+    sql = """
+        SELECT
+            a.account_id,
+            a.account_code,
+            a.account_name,
+            a.account_type,
+            COALESCE(SUM(l.debit), 0)  AS debit,
+            COALESCE(SUM(l.credit), 0) AS credit
+        FROM journal_lines l
+        JOIN journal_entries e ON e.journal_id = l.journal_id
+        JOIN accounts a ON a.account_id = l.account_id
+        WHERE 1 = 1
+    """
+
+    params = {}
+
+    if fiscal_year is not None:
+        sql += " AND e.fiscal_year = %(fiscal_year)s"
+        params["fiscal_year"] = fiscal_year
+
+    if date_from is not None:
+        sql += " AND e.journal_date >= %(date_from)s"
+        params["date_from"] = date_from
+
+    if date_to is not None:
+        sql += " AND e.journal_date <= %(date_to)s"
+        params["date_to"] = date_to
+
+    sql += """
+        GROUP BY
+            a.account_id,
+            a.account_code,
+            a.account_name,
+            a.account_type
+        ORDER BY
+            a.account_code
+    """
+
+    with get_connection() as conn, conn.cursor() as cur:
+        cur.execute(sql, params)
+        rows = cur.fetchall()
+
+    return rows