fix: handle risk explanation standard adjustment

server/src/app/services/expense_claims.py

@@ -27,6 +27,7 @@ from app.schemas.ontology import OntologyEntity, OntologyParseResult
 from app.schemas.reimbursement import (
     ExpenseClaimItemCreate,
     ExpenseClaimItemUpdate,
+    ExpenseClaimStandardAdjustmentPayload,
     ExpenseClaimUpdate,
     TravelReimbursementCalculatorRequest,
 )
@@ -109,6 +110,7 @@ from app.services.expense_claim_constants import (
     TRAVEL_POLICY_FLIGHT_CLASS_PATTERNS,
     TRAVEL_POLICY_TRAIN_CLASS_PATTERNS,
     TRAVEL_POLICY_HOTEL_NIGHT_PATTERN,
+    STANDARD_ADJUSTMENT_RISK_SOURCE,
 )
 from app.services.expense_claim_risk_review import ExpenseClaimRiskReviewMixin
 from app.services.expense_amounts import (
@@ -290,6 +292,126 @@ class ExpenseClaimService(
 
         return claim
 
+    @staticmethod
+    def _normalize_standard_adjustment_amount(value: Any) -> Decimal | None:
+        try:
+            raw_value = "" if value is None else value
+            amount = Decimal(str(raw_value)).quantize(Decimal("0.01"))
+        except (InvalidOperation, ValueError):
+            return None
+        return amount if amount >= Decimal("0.00") else None
+
+    @staticmethod
+    def _format_adjustment_money(value: Decimal) -> str:
+        normalized = Decimal(value or Decimal("0.00")).quantize(Decimal("0.01"))
+        return f"{normalized:.2f}"
+
+    def accept_standard_adjustment(
+        self,
+        *,
+        claim_id: str,
+        payload: ExpenseClaimStandardAdjustmentPayload,
+        current_user: CurrentUserContext,
+    ) -> ExpenseClaim | None:
+        claim = self.get_claim(claim_id, current_user)
+        if claim is None:
+            return None
+
+        self._ensure_draft_claim(claim)
+        if self._is_expense_application_claim(claim):
+            raise ValueError("费用申请单不支持按报销标准重算。")
+
+        risk_entries = list(payload.risks or [])
+        if not risk_entries:
+            raise ValueError("请至少选择一条需要按职级标准重算的风险。")
+
+        before_json = self._serialize_claim(claim)
+        item_map = {str(item.id or "").strip(): item for item in list(claim.items or [])}
+        now_text = datetime.now(UTC).isoformat()
+        adjustment_flags: list[dict[str, Any]] = []
+
+        for index, entry in enumerate(risk_entries, start=1):
+            item_id = str(entry.item_id or "").strip()
+            item = item_map.get(item_id)
+            if item is None:
+                continue
+
+            original_amount = (
+                self._normalize_standard_adjustment_amount(entry.original_amount)
+                or Decimal(item.item_amount or Decimal("0.00")).quantize(Decimal("0.01"))
+            )
+            reimbursable_amount = (
+                self._normalize_standard_adjustment_amount(entry.reimbursable_amount)
+                or original_amount
+            )
+            reimbursable_amount = min(max(reimbursable_amount, Decimal("0.00")), original_amount)
+            employee_absorbed_amount = (original_amount - reimbursable_amount).quantize(Decimal("0.01"))
+            item_label = (
+                str(item.item_reason or "").strip()
+                or str(entry.title or "").strip()
+                or f"费用明细第 {index} 条"
+            )
+            source_risk = str(entry.risk or entry.title or "原风险未补充异常说明").strip()
+            message = (
+                f"提交人已选择按职级最高报销标准审核：{item_label} 原票据金额 "
+                f"{self._format_adjustment_money(original_amount)} 元，实际报销金额 "
+                f"{self._format_adjustment_money(reimbursable_amount)} 元，超出 "
+                f"{self._format_adjustment_money(employee_absorbed_amount)} 元由员工自行承担。"
+            )
+            adjustment_flags.append(
+                with_risk_business_stage(
+                    {
+                        "source": STANDARD_ADJUSTMENT_RISK_SOURCE,
+                        "event_type": "standard_adjustment_accepted",
+                        "severity": "medium",
+                        "label": "接受职级标准审核",
+                        "title": "提交人接受职级最高报销标准",
+                        "message": message,
+                        "summary": "提交人未补充异常说明，已选择按职级最高报销标准重算实际报销金额。",
+                        "suggestion": "领导和财务审批时请确认该差额由员工自行承担，并按实际报销金额入账。",
+                        "risk_id": str(entry.risk_id or "").strip(),
+                        "source_risk": source_risk,
+                        "item_id": item_id,
+                        "original_amount": self._format_adjustment_money(original_amount),
+                        "reimbursable_amount": self._format_adjustment_money(reimbursable_amount),
+                        "employee_absorbed_amount": self._format_adjustment_money(employee_absorbed_amount),
+                        "risk_domain": "amount",
+                        "actionability": "review_decision",
+                        "visibility_scope": "leader",
+                        "created_at": now_text,
+                    },
+                    "reimbursement",
+                )
+            )
+
+        if not adjustment_flags:
+            raise ValueError("未找到可按职级标准重算的费用明细。")
+
+        preserved_flags = [
+            flag
+            for flag in list(claim.risk_flags_json or [])
+            if not (
+                isinstance(flag, dict)
+                and str(flag.get("source") or "").strip() == STANDARD_ADJUSTMENT_RISK_SOURCE
+            )
+        ]
+        claim.risk_flags_json = [*preserved_flags, *adjustment_flags]
+        self._sync_claim_from_items(claim)
+
+        self.db.commit()
+        self.db.refresh(claim)
+
+        self.audit_service.log_action(
+            actor=current_user.name or current_user.username,
+            action="expense_claim.standard_adjustment_accept",
+            resource_type="expense_claim",
+            resource_id=claim.id,
+            before_json=before_json,
+            after_json=self._serialize_claim(claim),
+        )
+
+        return claim
+
     def update_claim_item(
         self,
         *,
@@ -758,6 +880,3 @@ class ExpenseClaimService(
 
 
 
-
-
-