feat(tplus): 新增 T+ 只读同步服务与同步管理

backend/app/services/tplus/relationship_audit.py

@@ -0,0 +1,135 @@
+"""读取实际系统字典并统计带单据类型的收款关联，不推断计提口径。"""
+
+import re
+from datetime import datetime
+from pathlib import Path
+
+from sqlalchemy import text
+from sqlalchemy.orm import Session
+
+from app.core.logging import scrub
+from app.services.tplus.reader import TPlusReader
+
+_COLUMNS = {
+    "source_version": ("source_version",),
+    "voucher_types": ("id", "code", "name"),
+    "state_enums": ("id", "code", "name", "enum_name"),
+    "receipt_kinds": ("voucher_type_code", "voucher_type_name", "receive_flag", "row_count"),
+    "receipt_line_kinds": ("voucher_type_id", "voucher_type_name", "receive_flag", "row_count"),
+    "sales_links": (
+        "row_count",
+        "delivery_matches",
+        "detail_matches",
+        "direct_order_matches",
+        "detail_order_matches",
+        "unambiguous_order_matches",
+        "invalid_order_ids",
+        "conflicting_order_ids",
+    ),
+    "order_coverage": ("row_count", "without_order", "single_order", "multiple_orders"),
+}
+PENDING_CONFIRMATIONS = (
+    ("cost_basis", "绩效成本取值", "订单最新成本或出库成本的类型、时点和含税口径需业务确认"),
+    ("receipt_date", "到账日", "单据日、审核日和明细 arrivalDate 的业务含义需确认"),
+    ("ship_date", "发货日", "回款天数应使用哪个发货日期需确认"),
+    ("allocation", "多单分摊", "一笔收款涉及多张销货单或订单时，不能自动把整笔金额记给一单"),
+    ("negative_events", "退货与红冲", "负数、冲销及已结算业务的调整方式需确认"),
+)
+
+
+def public_report(raw: dict | None) -> dict | None:
+    """历史报告也按当前字段白名单输出，禁止透传未知嵌套数据。"""
+    if not isinstance(raw, dict):
+        return None
+    result = {
+        key: TPlusRelationshipAudit._safe_value(raw.get(key))
+        for key in (
+            "schema_version",
+            "captured_at",
+            "source_version",
+            "is_target_engine",
+            "relationship_status",
+        )
+    }
+    result["compatibility_status"] = "PENDING"
+    for section, columns in _COLUMNS.items():
+        if section in ("source_version", "voucher_types"):
+            continue
+        value = raw.get(section)
+        if isinstance(value, list):
+            result[section] = [
+                {key: TPlusRelationshipAudit._safe_value(row.get(key)) for key in columns}
+                for row in value[:200]
+                if isinstance(row, dict)
+            ]
+        elif isinstance(value, dict):
+            result[section] = {
+                key: TPlusRelationshipAudit._safe_value(value.get(key)) for key in columns
+            }
+        else:
+            result[section] = None
+    result["pending_confirmations"] = [
+        {"key": k, "title": t, "reason": r} for k, t, r in PENDING_CONFIRMATIONS
+    ]
+    return result
+
+
+class TPlusRelationshipAudit:
+    """执行固定核验查询；结果只包含系统字典和数量，不包含客户记录。"""
+
+    def __init__(self, session: Session, query_dir: Path | None = None) -> None:
+        self.session = session
+        root = query_dir or TPlusReader._default_query_dir()
+        source = (root / "audit" / "queries.sql").read_text(encoding="utf-8")
+        sections = re.split(r"(?m)^-- @query (\w+)\s*$", source)
+        self.queries = dict(zip(sections[1::2], sections[2::2], strict=True))
+        if set(self.queries) != set(_COLUMNS):
+            raise ValueError("关联核验查询清单不完整")
+
+    def fetch(self, name: str, **params) -> list[dict]:
+        """只接受登记的查询名与绑定参数，过滤非合同字段。"""
+        if name not in self.queries:
+            raise ValueError("不支持的核验查询")
+        result = self.session.execute(text(self.queries[name]), params)
+        try:
+            return [
+                {key: self._safe_value(row.get(key)) for key in _COLUMNS[name]}
+                for row in result.mappings().all()
+            ]
+        finally:
+            result.close()
+
+    @staticmethod
+    def _safe_value(value):
+        if value is None or isinstance(value, (int, bool)):
+            return value
+        return scrub(re.sub(r"[\x00-\x1f]", " ", str(value)))[:200]
+
+    def run(self) -> dict:
+        """生成事实报告；类型缺失或有歧义时不执行该关联链路。"""
+        version = self.fetch("source_version")[0]["source_version"]
+        types = self.fetch("voucher_types")
+        report = {
+            "schema_version": 1,
+            "captured_at": datetime.now().isoformat(),
+            "source_version": version,
+            "is_target_engine": str(version).startswith("10.50."),
+            "compatibility_status": "PENDING",
+            "state_enums": self.fetch("state_enums"),
+            "receipt_kinds": self.fetch("receipt_kinds"),
+            "receipt_line_kinds": self.fetch("receipt_line_kinds"),
+            "sales_links": None,
+            "order_coverage": None,
+            "relationship_status": "UNRESOLVED",
+            "relationship_basis": "主表按 isReceiveFlag=1（是否收款）筛选；明细按 SM_VoucherType 的 SA04 类型关联。主表 idvouchertype 是来源类型，不能据此筛本单类型。",
+            "pending_confirmations": [
+                {"key": k, "title": t, "reason": r} for k, t, r in PENDING_CONFIRMATIONS
+            ],
+        }
+        sale = [r["id"] for r in types if r["code"] == "SA04"]
+        if len(sale) == 1:
+            params = {"sale_delivery_type_id": sale[0], "receive_flag": 1}
+            report["sales_links"] = self.fetch("sales_links", **params)[0]
+            report["order_coverage"] = self.fetch("order_coverage", **params)[0]
+            report["relationship_status"] = "OBSERVED"
+        return report