264 lines
10 KiB
Python
264 lines
10 KiB
Python
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"""业务提取产品与最近有效发货参照；预览指纹防止源变化后执行旧操作。"""
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from collections import defaultdict
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from decimal import ROUND_HALF_UP, Decimal
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from sqlalchemy import or_, select
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from sqlalchemy.exc import IntegrityError
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from app.core.exceptions import BadRequestError, NotFoundError
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from app.models import Business, BusinessItem, Product
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from app.services import audit_service
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from app.services.audit_service import AuditRecord
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from app.services.tplus.snapshots import source_records, source_statement
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from app.services.tplus.workbench import WorkbenchError, digest
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def recent_trades(session, source, ids):
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if not ids:
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return {}
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try:
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lines = list(
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session.scalars(
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source_statement(session, source, "shipment_items").where(
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source_statement_inventory_filter(ids)
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)
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)
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)
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parent_ids = {
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str(r.payload_json["source_parent_id"])
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for r in lines
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if r.payload_json.get("source_parent_id") is not None
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}
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heads = {
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r.source_id: r for r in source_records(session, source, "shipments", list(parent_ids))
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}
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except WorkbenchError:
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return {}
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latest = {}
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for record in lines:
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raw = record.payload_json
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head = heads.get(str(raw.get("source_parent_id")))
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if head is None:
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continue
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value = head.payload_json
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if str(value.get("voucherState")) != "189" or value.get("isCounteractDelivery") not in (
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None,
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0,
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False,
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"0",
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):
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continue
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day = str(value.get("voucherdate") or "")[:10]
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try:
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quantity = Decimal(str(raw.get("quantity")))
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price = (
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Decimal(str(raw["taxPrice"]))
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if raw.get("taxPrice") is not None
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else Decimal(str(raw["taxAmount"])) / quantity
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)
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if not quantity.is_finite() or quantity <= 0 or not price.is_finite() or price < 0:
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continue
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except (ValueError, ArithmeticError, TypeError, KeyError):
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continue
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key = str(raw.get("idinventory"))
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order = day, int(head.source_id), int(record.source_id)
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if not day or (key in latest and order <= latest[key][0]):
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continue
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if (
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quantity > Decimal("999999999999.99")
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or quantity.normalize().as_tuple().exponent < -2
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or price > Decimal("9999999999.9999")
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):
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# 无法以当前产品档案精度无损保存的记录保持待核对，不截断数量。
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continue
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latest[key] = (
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order,
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{
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"quantity": str(quantity),
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"price": str(price.quantize(Decimal("0.0001"), rounding=ROUND_HALF_UP)),
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"date": day,
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"source_no": head.source_no,
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"source_id": head.source_id,
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"line_id": record.source_id,
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"source_database": source,
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},
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)
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return {key: value[1] for key, value in latest.items()}
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def source_statement_inventory_filter(ids):
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from app.models import TPlusSyncRecord
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return TPlusSyncRecord.payload_json["idinventory"].as_integer().in_([int(v) for v in ids])
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def candidates(session, keyword="", page_num=1, page_size=20):
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condition = BusinessItem.product_id.is_(None)
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if keyword:
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condition &= or_(
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BusinessItem.product_name.contains(keyword, autoescape=True),
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Business.business_no.contains(keyword, autoescape=True),
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)
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rows = session.execute(
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select(BusinessItem, Business.business_no, Business.business_date)
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.join(Business, Business.id == BusinessItem.business_id)
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.where(condition)
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.order_by(BusinessItem.id.desc())
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.offset((page_num - 1) * page_size)
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.limit(page_size + 1)
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).all()
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return {
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"rows": [
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{
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"id": row.id,
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"business_no": number,
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"business_date": str(day) if day else None,
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"product_name": row.product_name,
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"spec_model": row.spec_model,
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"unit": row.unit,
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"product_category": row.product_category,
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"quantity": str(row.quantity),
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"sale_price": str(row.sale_price) if row.sale_price is not None else None,
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}
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for row, number, day in rows[:page_size]
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],
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"has_more": len(rows) > page_size,
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"page_num": page_num,
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}
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def extraction_plan(session, ids, *, lock=False):
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if len(ids) != len(set(ids)):
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raise BadRequestError("不能重复选择同一业务明细")
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statement = (
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select(BusinessItem, Business.business_date)
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.join(Business, Business.id == BusinessItem.business_id)
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.where(BusinessItem.id.in_(ids))
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.order_by(BusinessItem.id)
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)
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if lock:
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statement = statement.with_for_update().execution_options(populate_existing=True)
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source = session.execute(statement).all()
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if len(source) != len(ids):
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raise BadRequestError("所选业务明细不存在或已变化")
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groups = defaultdict(list)
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for item, day in source:
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groups[(item.product_name.strip(), (item.spec_model or "").strip())].append((item, day))
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rows = []
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for (name, spec), members in groups.items():
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target_statement = select(Product).where(
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Product.product_name == name, Product.spec_model == spec
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)
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if lock:
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target_statement = target_statement.with_for_update().execution_options(
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populate_existing=True
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)
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target = session.scalar(target_statement)
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units = {m.unit or "" for m, _ in members}
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categories = {m.product_category for m, _ in members}
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conflict = "所选明细单位或核算分类不一致" if len(units) > 1 or len(categories) > 1 else None
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if target and (
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target.product_category not in categories or (target.unit or "") not in units
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):
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conflict = "同名同规格档案的单位或核算分类不同"
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newest, day = max(
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members, key=lambda pair: (str(pair[1] or ""), pair[0].business_id, pair[0].id)
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)
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rows.append(
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{
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"product_name": name,
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"spec_model": spec,
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"unit": newest.unit,
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"product_category": newest.product_category,
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"quantity": str(newest.quantity),
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"sale_price": str(newest.sale_price) if newest.sale_price is not None else None,
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"item_ids": [m.id for m, _ in members],
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"target_id": target.id if target else None,
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"action": "CONFLICT" if conflict else "LINK" if target else "CREATE",
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"reason": conflict,
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"already_linked": [m.product_id for m, _ in members],
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"target_fingerprint": digest(
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{c.name: getattr(target, c.name) for c in target.__table__.columns}
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)
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if target
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else None,
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"date": str(day) if day else None,
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}
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)
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return {"rows": rows, "fingerprint": digest(rows)}
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def extract(session, payload, actor, meta=None):
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with audit_service.audit(
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session,
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operator=actor,
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record=AuditRecord(
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module="产品管理",
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action="提取产品",
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summary=f"从{len(payload.item_ids)}条业务明细提取产品",
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request_data=payload.model_dump(),
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),
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meta=meta,
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):
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plan = extraction_plan(session, payload.item_ids, lock=True)
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if payload.fingerprint != plan["fingerprint"]:
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raise BadRequestError("业务明细或产品档案已变化，请重新预览")
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for row in plan["rows"]:
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if row["action"] == "CONFLICT":
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continue
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try:
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with session.begin_nested():
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target = (
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session.get(Product, row["target_id"])
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if row["target_id"]
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else Product(
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product_name=row["product_name"],
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spec_model=row["spec_model"],
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unit=row["unit"],
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product_category=row["product_category"],
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stock_quantity=Decimal(row["quantity"]),
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sale_price=Decimal(row["sale_price"])
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if row["sale_price"] is not None
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else None,
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status=1,
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quantity_price_manual=1,
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)
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)
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session.add(target)
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session.flush()
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row["target_id"] = target.id
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for item_id in row["item_ids"]:
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item = session.get(BusinessItem, item_id)
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# 仅建立档案关联，不更改历史冗余名称、金额或冻结核算资料。
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if item.product_id is None:
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item.product_id = target.id
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elif item.product_id != target.id:
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raise BadRequestError("业务明细已关联不同产品，请重新核对")
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session.flush()
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except IntegrityError:
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row["action"], row["reason"] = "CONFLICT", "并发建立了同名档案，请重新预览"
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session.commit()
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return plan
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def restore_source(session, product_id, actor, meta=None):
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product = session.get(Product, product_id, with_for_update=True)
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if product is None:
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raise NotFoundError("产品不存在")
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if not product.source_trade_json:
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raise BadRequestError("没有可恢复的有效发货来源")
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with audit_service.audit(
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session,
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operator=actor,
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record=AuditRecord(
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module="产品管理", action="恢复源值", summary=f"产品#{product_id}恢复最近有效发货参照"
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),
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meta=meta,
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):
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product.quantity_price_manual = 0
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product.stock_quantity = Decimal(product.source_trade_json["quantity"])
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product.sale_price = Decimal(product.source_trade_json["price"])
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session.commit()
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return {"id": product_id, "restored": True}
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