599 lines
23 KiB
Python
599 lines
23 KiB
Python
"""产品服务 — 业务逻辑层：扫码查询、CRUD"""
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from __future__ import annotations
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import uuid
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from fastapi import HTTPException, status
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from sqlalchemy import select, or_, cast, String, delete, update
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.models.product import Product
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from app.models.production_order import ProductionOrder
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from app.models.task import Task
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from app.schemas.product import ProductCreate, ProductUpdate, ProductResponse, ProductScanResponse
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from app.schemas.task import TaskSummaryResponse, TaskResponse, TaskRecordResponse
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def _task_to_response(task: Task) -> TaskResponse:
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"""将 Task ORM 对象递归转为 TaskResponse（含子任务树）"""
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product_sn = ""
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product_material = ""
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try:
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if task.product:
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product_sn = task.product.serial_number or ""
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product_material = (task.product.material_name or task.product.material_id or "")
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except Exception:
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pass
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return TaskResponse(
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id=task.id,
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product_id=task.product_id,
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product_sn=product_sn,
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product_material=product_material,
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parent_task_id=task.parent_task_id,
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task_name=task.task_name,
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assignee_id=task.assignee_id,
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status=task.status,
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notify_parent_on_complete=task.notify_parent_on_complete,
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is_rework=task.is_rework,
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task_type=task.task_type,
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remark=task.remark,
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reject_reason=task.reject_reason,
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received_at=task.received_at,
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completed_at=task.completed_at,
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created_at=task.created_at,
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child_tasks=[_task_to_response(c) for c in task.child_tasks],
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records=[TaskRecordResponse.model_validate(r) for r in (task.records or [])],
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created_by=getattr(task, "created_by", None),
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)
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async def _load_task_tree(db: AsyncSession, product_id: uuid.UUID) -> list[TaskResponse]:
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"""使用 PostgreSQL Recursive CTE 一次性加载产品下完整任务树（消除 N+1）"""
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from app.services.task_tree_loader import load_task_trees_by_product
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tasks = await load_task_trees_by_product(db, product_id)
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return [_task_to_response(t) for t in tasks]
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async def get_product_by_serial(db: AsyncSession, serial_number: str) -> ProductScanResponse:
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"""扫码查询：根据 16 位序列号查出产品 + 所属订单 + 完整任务树"""
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result = await db.execute(
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select(Product)
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.options(
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selectinload(Product.order),
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selectinload(Product.parent_product),
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)
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.where(Product.serial_number == serial_number)
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)
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product = result.scalar_one_or_none()
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if not product:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=f"未找到序列号为 {serial_number} 的产品",
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)
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# 获取顶层任务摘要（兼容旧接口）
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top_tasks_result = await db.execute(
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select(Task)
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.where(
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Task.product_id == product.id,
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Task.parent_task_id.is_(None),
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)
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.order_by(Task.created_at)
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)
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top_tasks = top_tasks_result.scalars().all()
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# 获取完整任务树（递归嵌套，供前端渲染十字矩阵树状图）
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task_tree = await _load_task_tree(db, product.id)
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# 🔧 收集任务树中所有 assignee_id → 查中文姓名映射
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assignee_ids: set[str] = set()
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all_task_ids: list[uuid.UUID] = []
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def _collect_ids(tasks):
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for t in tasks:
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all_task_ids.append(t.id)
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if t.assignee_id: assignee_ids.add(t.assignee_id)
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if t.child_tasks: _collect_ids(t.child_tasks)
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for t in top_tasks:
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all_task_ids.append(t.id)
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if t.assignee_id: assignee_ids.add(t.assignee_id)
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_collect_ids(task_tree)
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assignee_names = _lookup_display_names(list(assignee_ids))
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# 🔧 批量查 task_logs: 谁创建了每个任务
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creator_map: dict[uuid.UUID, str] = {}
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if all_task_ids:
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from app.models.task_log import TaskLog
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from sqlalchemy import func
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# 每个 task 取最早的 create 日志的 operator_id
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sub = (
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select(
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TaskLog.task_id,
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TaskLog.operator_id,
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func.row_number().over(
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partition_by=TaskLog.task_id,
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order_by=TaskLog.created_at.asc()
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).label("rn")
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)
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.where(
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TaskLog.task_id.in_(all_task_ids),
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TaskLog.action_type == "create"
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)
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).subquery()
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log_result = await db.execute(
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select(sub.c.task_id, sub.c.operator_id).where(sub.c.rn == 1)
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)
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for row in log_result:
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if row[1]:
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creator_map[row[0]] = row[1]
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# 注入 created_by 到 task_tree 和 top_tasks
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def _inject_creator(tasks):
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for t in tasks:
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t.created_by = creator_map.get(t.id)
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if t.child_tasks:
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_inject_creator(t.child_tasks)
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_inject_creator(task_tree)
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for t in top_tasks:
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t.created_by = creator_map.get(t.id)
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return ProductScanResponse(
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id=product.id,
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serial_number=product.serial_number,
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external_serial=product.external_serial,
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order_id=product.order_id,
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order_no=product.order.order_no if product.order else "",
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material_id=product.material_id,
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material_name=product.material_name,
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spec_model=product.spec_model,
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category=product.category,
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material_type=product.material_type,
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parent_product_id=product.parent_product_id,
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current_location_id=product.current_location_id,
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overall_status=product.overall_status,
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status=product.status,
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created_at=product.created_at,
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top_level_tasks=[
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TaskSummaryResponse.model_validate(t) for t in top_tasks
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],
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task_tree=task_tree,
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assignee_names=assignee_names, # 🔧 username→中文姓名
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)
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async def get_product(db: AsyncSession, product_id: uuid.UUID) -> Product:
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"""获取产品，不存在则 404"""
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result = await db.execute(
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select(Product)
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.options(selectinload(Product.order))
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.where(Product.id == product_id)
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)
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product = result.scalar_one_or_none()
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if not product:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=f"产品不存在: {product_id}",
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)
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return product
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async def create_product(db: AsyncSession, data: ProductCreate, creator_username: str = "") -> ProductResponse:
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"""创建产品 — 自动生成 16 位 HEX 序列号，初始位置设为创建者"""
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from app.services.counter_service import ensure_sequence, next_hex_id
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from app.models.production_order import ProductionOrder
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await ensure_sequence(db)
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hex_id = await next_hex_id(db)
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# 处理订单: 如果传了 order_no 但没传 order_id，查找或创建
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order_id = data.order_id
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if not order_id and data.order_no:
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result = await db.execute(
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select(ProductionOrder).where(ProductionOrder.order_no == data.order_no.strip())
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)
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existing = result.scalar_one_or_none()
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if existing:
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order_id = existing.id
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else:
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new_order = ProductionOrder(order_no=data.order_no.strip())
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db.add(new_order)
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await db.flush()
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order_id = new_order.id
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product = Product(
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serial_number=hex_id,
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order_id=order_id,
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material_id=data.material_id,
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material_name=data.material_name or None,
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spec_model=data.spec_model or None,
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category=data.category or None,
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material_type=data.material_type or None,
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external_serial=data.external_serial,
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parent_product_id=data.parent_product_id,
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current_location_id=creator_username or None, # 谁创建，初始位置就是谁
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)
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db.add(product)
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await db.commit()
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await db.refresh(product, ["order"])
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# 查创建者的真实姓名
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creator_display_name = ""
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if creator_username:
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name_map = _lookup_display_names([creator_username])
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creator_display_name = name_map.get(creator_username, "")
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return ProductResponse(
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id=product.id,
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serial_number=product.serial_number,
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external_serial=product.external_serial,
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order_id=product.order_id,
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order_no=product.order.order_no if product.order else (data.order_no or ""),
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material_id=product.material_id,
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material_name=product.material_name,
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spec_model=product.spec_model,
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category=product.category,
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material_type=product.material_type,
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parent_product_id=product.parent_product_id,
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current_location_id=product.current_location_id,
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current_location_name=creator_display_name or None,
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overall_status=product.overall_status,
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status=product.status,
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created_at=product.created_at,
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)
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async def update_product(db: AsyncSession, product_id: uuid.UUID, data: ProductUpdate) -> ProductResponse:
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"""更新产品"""
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from app.models.production_order import ProductionOrder
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product = await get_product(db, product_id)
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update_data = data.model_dump(exclude_unset=True)
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# 处理 order_no → order_id 映射
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if "order_no" in update_data:
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order_no_val = update_data.pop("order_no")
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if order_no_val and order_no_val.strip():
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result = await db.execute(
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select(ProductionOrder).where(ProductionOrder.order_no == order_no_val.strip())
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)
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existing = result.scalar_one_or_none()
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if existing:
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product.order_id = existing.id
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else:
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new_order = ProductionOrder(order_no=order_no_val.strip())
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db.add(new_order)
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await db.flush()
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product.order_id = new_order.id
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else:
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product.order_id = None
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for field, value in update_data.items():
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setattr(product, field, value)
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await db.commit()
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await db.refresh(product, ["order"])
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return ProductResponse(
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id=product.id,
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serial_number=product.serial_number,
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external_serial=product.external_serial,
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order_id=product.order_id,
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order_no=product.order.order_no if product.order else "",
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material_id=product.material_id,
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material_name=product.material_name,
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spec_model=product.spec_model,
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category=product.category,
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material_type=product.material_type,
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parent_product_id=product.parent_product_id,
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current_location_id=product.current_location_id,
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overall_status=product.overall_status,
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status=product.status,
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created_at=product.created_at,
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)
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VALID_OVERALL_STATUS = {"备货", "生产", "测试", "维修", "在库"}
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async def update_overall_status(
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db: AsyncSession, serial_number: str, status_value: str,
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current_user: dict | None = None,
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) -> ProductScanResponse:
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"""更新产品宏观状态
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权限校验：
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- SUPER_ADMIN 角色：直接放行
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- 当前操作该产品主线任务（WIP/PENDING 状态主干任务）的人：放行
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- 其他：403
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"""
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if status_value not in VALID_OVERALL_STATUS:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"无效状态: {status_value}，合法值: {', '.join(sorted(VALID_OVERALL_STATUS))}",
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)
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result = await db.execute(
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select(Product)
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.options(selectinload(Product.order))
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.where(Product.serial_number == serial_number)
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)
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product = result.scalar_one_or_none()
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if not product:
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raise HTTPException(status_code=404, detail=f"未找到序列号 {serial_number} 的产品")
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# ── 权限校验（无 current_user 一律拒绝，杜绝空 dict 绕过）──
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if not current_user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="请先登录",
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)
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user_role = current_user.get("role", "")
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user_username = current_user.get("username", "")
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# SUPER_ADMIN 直接放行
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if user_role != "SUPER_ADMIN":
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# 检查当前用户是否是该产品主线任务的负责人
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main_task_result = await db.execute(
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select(Task).where(
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Task.product_id == product.id,
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Task.status.in_(["WIP", "PENDING"]),
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or_(
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Task.parent_task_id.is_(None),
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Task.task_type.in_(["TRANSFER", "RECOVERY"]),
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),
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).order_by(Task.created_at.desc()).limit(1)
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)
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main_task = main_task_result.scalar_one_or_none()
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has_permission = (
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main_task is not None
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and main_task.assignee_id == user_username
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)
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if not has_permission:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="只有 SUPER_ADMIN 或当前操作该产品主线任务的人才能修改宏观状态",
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)
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product.overall_status = status_value
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await db.commit()
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await db.refresh(product)
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return await get_product_by_serial(db, serial_number)
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def _lookup_display_names(location_ids: list[str]) -> dict[str, str]:
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"""批量查询 MOM sys_user，将 username 映射为真实姓名（带 2h TTL 缓存）"""
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from app.services.mom_cache import get_display_names
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return get_display_names(location_ids)
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async def get_all_products(
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db: AsyncSession,
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skip: int = 0,
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limit: int = 50,
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keyword: str | None = None,
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status_filter: str | None = None,
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) -> list[ProductResponse]:
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"""
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获取产品列表 — 支持多维 keyword 搜索 + 状态筛选
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keyword: 同时模糊匹配 serial_number (产品身份证)、material_name/id (规格型号)、order_no (订单号)
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status_filter: 按产品状态过滤 (如 PENDING / WIP / COMPLETED / ARCHIVED)
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"""
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stmt = select(Product).options(selectinload(Product.order))
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# keyword 多字段 OR 模糊搜索
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if keyword and keyword.strip():
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kw = f"%{keyword.strip()}%"
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stmt = stmt.outerjoin(ProductionOrder, Product.order_id == ProductionOrder.id).where(
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or_(
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Product.serial_number.ilike(kw),
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Product.material_name.ilike(kw),
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cast(Product.material_id, String).ilike(kw),
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Product.spec_model.ilike(kw),
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ProductionOrder.order_no.ilike(kw),
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)
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).distinct()
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# 状态筛选 — 大小写不敏感，支持组合过滤
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if status_filter and status_filter.strip():
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from sqlalchemy import func
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sf = status_filter.strip().upper()
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if sf == "DONE":
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# "已完成" 匹配 COMPLETED 或 ARCHIVED
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stmt = stmt.where(
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or_(
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func.upper(Product.status) == "COMPLETED",
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func.upper(Product.status) == "ARCHIVED",
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)
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)
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elif sf == "PENDING":
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# "待流转" — 产品状态 PENDING 且所有顶层任务均未分配人
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stmt = (
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stmt.outerjoin(Task, Task.product_id == Product.id)
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.where(func.upper(Product.status) == "PENDING")
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.where(Task.assignee_id.is_(None))
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.distinct()
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)
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elif sf == "PENDING_ASSIGNED":
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# "待接收" — 产品状态 PENDING 但已有任务被分配（等待工人扫码）
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stmt = (
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stmt.outerjoin(Task, Task.product_id == Product.id)
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.where(func.upper(Product.status) == "PENDING")
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.where(Task.assignee_id.isnot(None))
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.distinct()
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)
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else:
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stmt = stmt.where(func.upper(Product.status) == sf)
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stmt = stmt.offset(skip).limit(limit).order_by(Product.created_at.desc())
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result = await db.execute(stmt)
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products = result.scalars().all()
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# 🔧 批量预计算 macro_status：一次性查出所有产品关联的任务状态
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product_ids = [p.id for p in products]
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macro_map: dict[uuid.UUID, str] = {}
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if product_ids:
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from sqlalchemy import case, func as sa_func
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task_stmt = (
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select(
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Task.product_id,
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sa_func.max(case(
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(Task.status == "WIP", 3),
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(Task.status == "PENDING", 2),
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(Task.status == "COMPLETED", 1),
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(Task.status == "ARCHIVED", 1),
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else_=0,
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)).label("prio"),
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)
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.where(Task.product_id.in_(product_ids))
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.group_by(Task.product_id)
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)
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task_result = await db.execute(task_stmt)
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prio_to_status = {3: "WIP", 2: "PENDING", 1: "COMPLETED", 0: None}
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for row in task_result:
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macro_map[row[0]] = prio_to_status.get(row[1], None)
|
||
|
||
# 🔧 动态主干状态+位置：只从主干任务中获取最高优先级任务的 task_name + assignee_id
|
||
overall_names: dict[uuid.UUID, str] = {}
|
||
main_assignees: dict[uuid.UUID, str] = {}
|
||
if product_ids:
|
||
from sqlalchemy import and_, func as sa_func, case as sa_case
|
||
main_where = and_(
|
||
Task.product_id.in_(product_ids),
|
||
or_(
|
||
Task.parent_task_id.is_(None),
|
||
Task.task_type.in_(["TRANSFER", "RECOVERY"]),
|
||
),
|
||
)
|
||
prio_expr = sa_case(
|
||
(Task.status == "WIP", 3),
|
||
(Task.status == "PENDING", 2),
|
||
(Task.status == "COMPLETED", 1),
|
||
else_=0,
|
||
)
|
||
# 子查询：每个产品最高优先级主干任务
|
||
max_prio = (
|
||
select(Task.product_id, sa_func.max(prio_expr).label("prio"))
|
||
.where(main_where)
|
||
.group_by(Task.product_id)
|
||
).subquery("mp")
|
||
# JOIN 回 tasks 拿 task_name + assignee_id（同优先级取最新创建的）
|
||
main_stmt = (
|
||
select(Task.product_id, Task.task_name, Task.assignee_id)
|
||
.join(max_prio, and_(
|
||
Task.product_id == max_prio.c.product_id,
|
||
prio_expr == max_prio.c.prio,
|
||
))
|
||
.where(main_where)
|
||
.order_by(Task.product_id, Task.created_at.desc())
|
||
.distinct(Task.product_id)
|
||
)
|
||
main_result = await db.execute(main_stmt)
|
||
for row in main_result:
|
||
pid, tname, assignee = row[0], row[1], row[2]
|
||
overall_names[pid] = tname
|
||
if assignee: main_assignees[pid] = assignee
|
||
|
||
# 🔧 动态主干的 assignee_id → 查中文姓名
|
||
dynamic_location_ids = list(main_assignees.values())
|
||
dynamic_name_map = _lookup_display_names(dynamic_location_ids)
|
||
|
||
# 🔧 合并：静态位置姓名（兜底）+ 动态主干位置姓名（优先）
|
||
static_location_ids = [p.current_location_id for p in products if p.current_location_id]
|
||
merged_location_ids = list(set(static_location_ids + dynamic_location_ids))
|
||
merged_name_map = _lookup_display_names(merged_location_ids)
|
||
|
||
# 🔧 批量查询每个产品活跃任务的最新记录
|
||
latest_record_map: dict[uuid.UUID, tuple] = {}
|
||
if product_ids:
|
||
from app.models.task import TaskRecord as TR
|
||
wip_pending_ids = select(Task.id).where(
|
||
and_(
|
||
Task.product_id.in_(product_ids),
|
||
Task.status.in_(["WIP", "PENDING"]),
|
||
)
|
||
).subquery()
|
||
ranked = (
|
||
select(TR.task_id, TR.remark, TR.images, TR.created_at, Task.product_id,
|
||
sa_func.row_number().over(
|
||
partition_by=Task.product_id,
|
||
order_by=TR.created_at.desc()
|
||
).label("rn"))
|
||
.join(Task, TR.task_id == Task.id)
|
||
.where(Task.id.in_(select(wip_pending_ids.c.id)))
|
||
).subquery()
|
||
rec_result = await db.execute(
|
||
select(ranked.c.product_id, ranked.c.created_at, ranked.c.remark, ranked.c.images)
|
||
.where(ranked.c.rn == 1)
|
||
)
|
||
for row in rec_result:
|
||
has_img = bool(row[3] and row[3] != "[]" and row[3] != "null")
|
||
latest_record_map[row[0]] = (row[1], row[2], has_img)
|
||
|
||
return [
|
||
ProductResponse(
|
||
id=p.id,
|
||
serial_number=p.serial_number,
|
||
external_serial=p.external_serial,
|
||
order_id=p.order_id,
|
||
order_no=p.order.order_no if p.order else "",
|
||
material_id=p.material_id,
|
||
material_name=p.material_name,
|
||
spec_model=p.spec_model,
|
||
category=p.category,
|
||
material_type=p.material_type,
|
||
parent_product_id=p.parent_product_id,
|
||
current_location_id=(
|
||
main_assignees.get(p.id) or p.current_location_id
|
||
),
|
||
current_location_name=(
|
||
"仓库" if (main_assignees.get(p.id) or p.current_location_id) == "virtual_warehouse"
|
||
else dynamic_name_map.get(main_assignees.get(p.id, ""))
|
||
or merged_name_map.get(p.current_location_id) if p.current_location_id
|
||
else None
|
||
),
|
||
macro_status=macro_map.get(p.id) or p.status,
|
||
overall_status=overall_names.get(p.id) or p.overall_status,
|
||
status=p.status,
|
||
created_at=p.created_at,
|
||
latest_record_time=latest_record_map.get(p.id, (None, None, False))[0],
|
||
latest_record_content=latest_record_map.get(p.id, (None, None, False))[1],
|
||
latest_record_has_images=latest_record_map.get(p.id, (None, None, False))[2],
|
||
)
|
||
for p in products
|
||
]
|
||
|
||
|
||
async def delete_product(db: AsyncSession, product_id: uuid.UUID) -> None:
|
||
"""删除产品及其关联任务"""
|
||
product = await get_product(db, product_id)
|
||
|
||
from app.models.task import TaskRecord
|
||
from app.models.task_log import TaskLog
|
||
|
||
# 🚀 1. 切断产品自引用：子产品的 parent_product_id 置空
|
||
await db.execute(
|
||
update(Product).where(Product.parent_product_id == product_id).values(parent_product_id=None)
|
||
)
|
||
|
||
# 2. 查询所有关联任务
|
||
tasks_result = await db.execute(
|
||
select(Task).where(Task.product_id == product_id)
|
||
)
|
||
tasks = tasks_result.scalars().all()
|
||
|
||
# 🚀 3. 切断任务自引用：子任务的 parent_task_id 置空
|
||
for task in tasks:
|
||
await db.execute(
|
||
update(Task).where(Task.parent_task_id == task.id).values(parent_task_id=None)
|
||
)
|
||
|
||
# 4. 删除任务记录、日志、任务本身
|
||
for task in tasks:
|
||
await db.execute(delete(TaskRecord).where(TaskRecord.task_id == task.id))
|
||
await db.execute(delete(TaskLog).where(TaskLog.task_id == task.id))
|
||
await db.delete(task)
|
||
|
||
# 5. 删除产品（product_messages 有 ON DELETE CASCADE 自动级联）
|
||
await db.delete(product)
|
||
await db.commit()
|