708 lines
29 KiB
Python
708 lines
29 KiB
Python
# 文件路径: app/services/inbound/base_service.py
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from app.extensions import db
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from app.models.base import MaterialBase
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from app.models.inbound.buy import StockBuy
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from app.models.inbound.semi import StockSemi
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from app.models.inbound.product import StockProduct
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# from app.models.inbound.service import StockService
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from sqlalchemy import or_, and_, func
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import traceback
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import json
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import io
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import datetime
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# 需要 pip install openpyxl
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from openpyxl import Workbook
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from openpyxl.styles import Font, Alignment, Border, Side, PatternFill
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from collections import defaultdict
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class MaterialBaseService:
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"""
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基础物料服务层
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负责处理 MaterialBase 的增删改查及搜索逻辑
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"""
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@staticmethod
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def search_material(keyword):
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"""
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根据关键字搜索已启用的基础物料
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(供 /api/v1/inbound/base/search 接口调用)
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"""
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try:
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if not keyword:
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return []
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query = MaterialBase.query.filter(
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MaterialBase.is_enabled == True,
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or_(
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MaterialBase.name.ilike(f'%{keyword}%'),
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MaterialBase.common_name.ilike(f'%{keyword}%'),
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MaterialBase.spec_model.ilike(f'%{keyword}%'),
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# 支持搜索公司名
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MaterialBase.company_name.ilike(f'%{keyword}%')
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)
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)
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# [修改1] 增加返回数量限制
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# 原为 limit(20)，现改为 1000，确保前端能获取所有（或足够多）的数据
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query = query.limit(1000)
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# 获取查询结果对象列表
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db_items = query.all()
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# [修改2] 规格型号排序逻辑
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# 要求：只考虑 '/' 前面的内容进行排序
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# 使用 Python 的 sort 方法，提取 spec_model 中 '/' 前的部分
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def get_sort_key(item):
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if not item.spec_model:
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return ""
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# 如果包含 '/'，取前半部分；否则取整个字符串
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parts = item.spec_model.split('/')
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return parts[0] if len(parts) > 0 else item.spec_model
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# 执行排序
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db_items.sort(key=get_sort_key)
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results = []
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for item in db_items:
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results.append({
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'id': item.id, # 必须保留ID供前端逻辑使用，视觉上的隐藏请在前端处理
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'companyName': item.company_name,
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'name': item.name,
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'commonName': item.common_name,
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'spec': item.spec_model,
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'category': item.category,
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'unit': item.unit,
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'type': item.material_type,
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'status': '启用'
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})
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return results
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except Exception as e:
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traceback.print_exc()
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return []
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@staticmethod
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def _get_stock_counts(stock_query):
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"""
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辅助函数：安全计算库存列表的总数量
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"""
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total_inv = 0
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total_avail = 0
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try:
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items = list(stock_query) # 触发查询
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except:
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items = []
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for x in items:
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# 1. 获取库存数 (兼容不同字段名)
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q = getattr(x, 'stock_quantity', getattr(x, 'in_quantity', 0)) # 优先取库存，其次入库
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# 2. 获取可用数
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a = getattr(x, 'available_quantity', q)
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try:
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total_inv += float(q if q is not None else 0)
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total_avail += float(a if a is not None else 0)
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except:
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pass
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return total_inv, total_avail
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@staticmethod
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def get_list(page, limit, filters=None):
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"""
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获取基础信息列表 (带分页和筛选)
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"""
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try:
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# 构建聚合子查询
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buy_sub = db.session.query(
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StockBuy.base_id,
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func.sum(StockBuy.stock_quantity).label('buy_inv'),
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func.sum(StockBuy.available_quantity).label('buy_avail')
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).group_by(StockBuy.base_id).subquery()
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semi_sub = db.session.query(
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StockSemi.base_id,
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func.sum(StockSemi.stock_quantity).label('semi_inv'),
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func.sum(StockSemi.available_quantity).label('semi_avail')
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).group_by(StockSemi.base_id).subquery()
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prod_sub = db.session.query(
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StockProduct.base_id,
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func.sum(StockProduct.stock_quantity).label('prod_inv'),
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func.sum(StockProduct.available_quantity).label('prod_avail')
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).group_by(StockProduct.base_id).subquery()
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# 总库存和可用数的 SQL 表达式
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total_inv = func.coalesce(buy_sub.c.buy_inv, 0) + \
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func.coalesce(semi_sub.c.semi_inv, 0) + \
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func.coalesce(prod_sub.c.prod_inv, 0)
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total_avail = func.coalesce(buy_sub.c.buy_avail, 0) + \
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func.coalesce(semi_sub.c.semi_avail, 0) + \
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func.coalesce(prod_sub.c.prod_avail, 0)
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# 主查询，关联聚合子查询
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query = db.session.query(
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MaterialBase,
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total_inv.label('total_inv'),
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total_avail.label('total_avail')
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).outerjoin(buy_sub, MaterialBase.id == buy_sub.c.base_id) \
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.outerjoin(semi_sub, MaterialBase.id == semi_sub.c.base_id) \
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.outerjoin(prod_sub, MaterialBase.id == prod_sub.c.base_id)
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if filters:
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# 1. 关键词模糊搜索
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if filters.get('keyword'):
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kw = f"%{filters['keyword']}%"
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query = query.filter(or_(
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MaterialBase.name.ilike(kw),
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MaterialBase.common_name.ilike(kw),
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MaterialBase.spec_model.ilike(kw)
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))
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# 2. 精确筛选
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company = filters.get('company')
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if company is not None and company != '':
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query = query.filter(MaterialBase.company_name.ilike(company.strip()))
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category = filters.get('category')
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if category is not None and category != '':
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query = query.filter(MaterialBase.category.ilike(category.strip()))
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type_val = filters.get('type')
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if type_val is not None and type_val != '':
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query = query.filter(MaterialBase.material_type.ilike(type_val.strip()))
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if filters.get('isEnabled') is not None:
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is_active = bool(int(filters['isEnabled']))
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query = query.filter_by(is_enabled=is_active)
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# 排序处理
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order_by_column = filters.get('orderByColumn', '')
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is_asc = filters.get('isAsc', None)
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if order_by_column == 'inventoryCount':
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if is_asc == 'asc':
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query = query.order_by(total_inv.asc())
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else:
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query = query.order_by(total_inv.desc())
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elif order_by_column == 'availableCount':
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if is_asc == 'asc':
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query = query.order_by(total_avail.asc())
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else:
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query = query.order_by(total_avail.desc())
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else:
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# 默认排序：优先按总库存数降序，当库存相同时，再按规格型号升序
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query = query.order_by(total_inv.desc(), MaterialBase.spec_model.asc())
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# 分页
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pagination = query.paginate(page=page, per_page=limit, error_out=False)
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items_list = []
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for item, inv, avail in pagination.items:
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item_dict = item.to_dict()
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item_dict['inventoryCount'] = float(inv) if inv is not None else 0.0
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item_dict['availableCount'] = float(avail) if avail is not None else 0.0
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items_list.append(item_dict)
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return {"total": pagination.total, "items": items_list}
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except Exception as e:
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traceback.print_exc()
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print(f"查询基础信息列表失败: {e}")
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return {"total": 0, "items": []}
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@staticmethod
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def get_distinct_options():
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"""
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获取所有已存在的类别、类型、公司 (去重且排序)
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"""
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try:
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# 1. 类别 (获取后在内存或前端做层级处理，这里先按字母序返回扁平列表)
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categories = db.session.query(MaterialBase.category) \
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.filter(MaterialBase.category != None, MaterialBase.category != '') \
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.distinct().all()
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# 对类别进行排序
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sorted_categories = sorted([c[0] for c in categories])
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# 2. 类型
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types = db.session.query(MaterialBase.material_type) \
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.filter(MaterialBase.material_type != None, MaterialBase.material_type != '') \
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.distinct().all()
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sorted_types = sorted([t[0] for t in types])
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# 3. 公司
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companies = db.session.query(MaterialBase.company_name) \
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.filter(MaterialBase.company_name != None, MaterialBase.company_name != '') \
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.distinct().all()
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sorted_companies = sorted([c[0] for c in companies])
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return {
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"categories": sorted_categories,
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"types": sorted_types,
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"companies": sorted_companies
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}
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except Exception as e:
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traceback.print_exc()
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return {"categories": [], "types": [], "companies": []}
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@staticmethod
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def create_material(data):
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"""新增基础信息"""
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try:
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if not data.get('name') or not data.get('spec'):
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raise ValueError("名称和规格型号不能为空")
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exist = MaterialBase.query.filter_by(
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name=data['name'],
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spec_model=data['spec']
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).first()
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if exist:
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raise ValueError(f"已存在相同名称和规格的数据 (ID: {exist.id})")
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new_material = MaterialBase(
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company_name=data.get('companyName'),
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name=data['name'],
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common_name=data.get('commonName'),
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spec_model=data['spec'],
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category=data.get('category'),
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material_type=data.get('type'),
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unit=data.get('unit'),
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visibility_level=data.get('visibilityLevel'),
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manual_link=json.dumps(data.get('generalManual', [])),
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product_image=json.dumps(data.get('generalImage', [])),
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is_enabled=True if data.get('isEnabled', 1) == 1 else False
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)
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db.session.add(new_material)
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db.session.commit()
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return new_material
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except Exception as e:
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db.session.rollback()
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raise e
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@staticmethod
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def update_material(m_id, data):
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"""修改基础信息"""
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try:
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material = MaterialBase.query.get(m_id)
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if not material:
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raise ValueError("数据不存在")
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# 更新字段
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if 'companyName' in data: material.company_name = data['companyName']
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if 'name' in data: material.name = data['name']
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if 'commonName' in data: material.common_name = data['commonName']
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if 'spec' in data: material.spec_model = data['spec']
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if 'category' in data: material.category = data['category']
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if 'type' in data: material.material_type = data['type']
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if 'unit' in data: material.unit = data['unit']
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if 'visibilityLevel' in data: material.visibility_level = data['visibilityLevel']
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if 'generalManual' in data:
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material.manual_link = json.dumps(data['generalManual'])
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if 'generalImage' in data:
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material.product_image = json.dumps(data['generalImage'])
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if 'isEnabled' in data:
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material.is_enabled = bool(int(data['isEnabled']))
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db.session.commit()
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return material
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except Exception as e:
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db.session.rollback()
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raise e
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@staticmethod
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def delete_material(m_id):
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"""
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删除基础信息 (带依赖检查)
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"""
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try:
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material = MaterialBase.query.get(m_id)
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if not material:
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raise ValueError("数据不存在")
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buy_usage_count = StockBuy.query.filter_by(base_id=m_id).count()
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semi_usage_count = StockSemi.query.filter_by(base_id=m_id).count()
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prod_usage_count = StockProduct.query.filter_by(base_id=m_id).count()
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total_usage = buy_usage_count + semi_usage_count + prod_usage_count
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if total_usage > 0:
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raise ValueError(
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f"无法删除：该基础物料正被使用中。\n"
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f"- 采购库存记录: {buy_usage_count} 条\n"
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f"- 半成品库存记录: {semi_usage_count} 条\n"
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f"- 成品库存记录: {prod_usage_count} 条\n"
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f"请先清理相关库存或仅‘禁用’此条目。"
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)
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db.session.delete(material)
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db.session.commit()
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return True
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except Exception as e:
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db.session.rollback()
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print(f"删除基础信息失败: {e}")
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raise e
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# ==============================================================================
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# [核心修改] 统一资产统计导出（增加最高单价计算逻辑）
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# ==============================================================================
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@staticmethod
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def export_excel(filters=None, user_permissions=None):
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"""
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全口径资产统计报表：
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根据基础信息列表和库存表，计算出每个物料的最高历史单价并进行导出
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"""
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try:
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# 1. 构造基础信息的筛选条件 (用于过滤库存)
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filter_conditions = []
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if filters:
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if filters.get('keyword'):
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kw = f"%{filters['keyword']}%"
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filter_conditions.append(or_(
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MaterialBase.name.ilike(kw),
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MaterialBase.common_name.ilike(kw),
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MaterialBase.spec_model.ilike(kw),
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MaterialBase.company_name.ilike(kw)
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))
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company = filters.get('company')
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if company is not None and company != '':
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filter_conditions.append(MaterialBase.company_name.ilike(company.strip()))
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category = filters.get('category')
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if category is not None and category != '':
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filter_conditions.append(MaterialBase.category.ilike(category.strip()))
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type_val = filters.get('type')
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if type_val is not None and type_val != '':
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filter_conditions.append(MaterialBase.material_type.ilike(type_val.strip()))
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if filters.get('isEnabled') is not None:
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is_active = bool(int(filters['isEnabled']))
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filter_conditions.append(MaterialBase.is_enabled == is_active)
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# 2. 分别查询三个库存表，并 Join MaterialBase 进行筛选
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# 2.1 采购库存 (StockBuy)
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query_buy = db.session.query(StockBuy, MaterialBase).join(
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MaterialBase, StockBuy.base_id == MaterialBase.id
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)
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for cond in filter_conditions:
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query_buy = query_buy.filter(cond)
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list_buy = query_buy.all()
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# 2.2 半成品库存 (StockSemi)
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query_semi = db.session.query(StockSemi, MaterialBase).join(
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MaterialBase, StockSemi.base_id == MaterialBase.id
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)
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for cond in filter_conditions:
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query_semi = query_semi.filter(cond)
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list_semi = query_semi.all()
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# 2.3 成品库存 (StockProduct)
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query_product = db.session.query(StockProduct, MaterialBase).join(
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MaterialBase, StockProduct.base_id == MaterialBase.id
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)
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for cond in filter_conditions:
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query_product = query_product.filter(cond)
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list_product = query_product.all()
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# ====================================================
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# [核心新增] 预先计算每个 base_id 的全局最高历史单价
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# 优先级：采购件 > 半成品 > 成品
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# ====================================================
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buy_max_prices = {}
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for stock, base in list_buy:
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price = float(stock.pre_tax_unit_price or 0)
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if price > buy_max_prices.get(base.id, 0):
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buy_max_prices[base.id] = price
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semi_max_prices = {}
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for stock, base in list_semi:
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# 半成品的单价直接取自 manual_cost 字段（单件总成本）
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price = float(stock.manual_cost or 0)
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if price > semi_max_prices.get(base.id, 0):
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semi_max_prices[base.id] = price
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product_max_prices = {}
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for stock, base in list_product:
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# 成品的单价直接取自 manual_cost 字段（单件总成本）
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price = float(stock.manual_cost or 0)
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if price > product_max_prices.get(base.id, 0):
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product_max_prices[base.id] = price
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# 构造获取某个物料最高价的闭包函数
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def get_highest_price(base_id):
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if base_id in buy_max_prices and buy_max_prices[base_id] > 0:
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return buy_max_prices[base_id]
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if base_id in semi_max_prices and semi_max_prices[base_id] > 0:
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return semi_max_prices[base_id]
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if base_id in product_max_prices and product_max_prices[base_id] > 0:
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return product_max_prices[base_id]
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return 0.0
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# 3. 数据整合
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all_rows = []
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# 处理采购件
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for stock, base in list_buy:
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qty = float(stock.stock_quantity or 0)
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# 使用该物料的全局最高单价作为不含税单价
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highest_excl_price = get_highest_price(base.id)
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tax_rate = float(stock.tax_rate or 0)
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# 计算含税单价和总额
|
||
highest_incl_price = highest_excl_price * (1 + tax_rate / 100.0)
|
||
total_val_excl = qty * highest_excl_price
|
||
total_val_incl = qty * highest_incl_price
|
||
|
||
ident = stock.batch_number or stock.serial_number or stock.barcode or stock.sku
|
||
|
||
all_rows.append({
|
||
"base": base,
|
||
"type_name": "采购件",
|
||
"ident": ident,
|
||
"loc": stock.warehouse_location,
|
||
"source": stock.supplier_name,
|
||
"date": stock.in_date,
|
||
"qty": qty,
|
||
"avail": float(stock.available_quantity or 0),
|
||
"price_excl": highest_excl_price,
|
||
"total_val_excl": total_val_excl,
|
||
"tax": tax_rate,
|
||
"price_incl": highest_incl_price,
|
||
"total_val": total_val_incl
|
||
})
|
||
|
||
# 处理半成品
|
||
for stock, base in list_semi:
|
||
qty = float(stock.stock_quantity or 0)
|
||
# 半成品的单价直接取自 manual_cost 字段（单件总成本）
|
||
unit_cost = float(stock.manual_cost or 0)
|
||
|
||
total_val_excl = qty * unit_cost
|
||
total_val_incl = qty * unit_cost # 半成品无税
|
||
|
||
ident = stock.batch_number or stock.serial_number or stock.barcode or stock.sku
|
||
|
||
all_rows.append({
|
||
"base": base,
|
||
"type_name": "半成品",
|
||
"ident": ident,
|
||
"loc": stock.warehouse_location,
|
||
"source": stock.production_manager,
|
||
"date": stock.production_date,
|
||
"qty": qty,
|
||
"avail": float(stock.available_quantity or 0),
|
||
"price_excl": unit_cost,
|
||
"total_val_excl": total_val_excl,
|
||
"tax": 0.0,
|
||
"price_incl": unit_cost,
|
||
"total_val": total_val_incl
|
||
})
|
||
|
||
# 处理成品
|
||
for stock, base in list_product:
|
||
qty = float(stock.stock_quantity or 0)
|
||
# 成品的单价直接取自 manual_cost 字段（单件总成本）
|
||
unit_cost = float(stock.manual_cost or 0)
|
||
|
||
total_val_excl = qty * unit_cost
|
||
total_val_incl = qty * unit_cost
|
||
|
||
ident = stock.serial_number or stock.barcode or stock.sku
|
||
|
||
all_rows.append({
|
||
"base": base,
|
||
"type_name": "成品",
|
||
"ident": ident,
|
||
"loc": stock.warehouse_location,
|
||
"source": stock.production_manager,
|
||
"date": stock.production_date,
|
||
"qty": qty,
|
||
"avail": float(stock.available_quantity or 0),
|
||
"price_excl": unit_cost,
|
||
"total_val_excl": total_val_excl,
|
||
"tax": 0.0,
|
||
"price_incl": unit_cost,
|
||
"total_val": total_val_incl
|
||
})
|
||
|
||
# 4. 排序：按公司 -> 规格型号 -> 基础ID -> 批号 排序
|
||
all_rows.sort(key=lambda x: (
|
||
x['base'].company_name or "",
|
||
x['base'].spec_model or "",
|
||
x['base'].id,
|
||
x['ident'] or ""
|
||
))
|
||
|
||
# 5. 生成 Excel
|
||
wb = Workbook()
|
||
ws = wb.active
|
||
ws.title = "库存统计"
|
||
|
||
# 表头 (严格对应你的图 5)
|
||
headers = [
|
||
"所属公司", "资产名称", "规格型号", "物料类型",
|
||
"类别一级", "类别二级", "类别三级", "类别四级", "类别五级",
|
||
"计量单位",
|
||
"库存性质", "唯一标识码 (批号/SN)", "仓库位置",
|
||
"资产来源", "入库/生产日期",
|
||
"库存数量", "可用数量",
|
||
"单价/成本 (不含税)", "资产总额 (不含税)", "税率 (%)", "单价/成本 (含税)", "资产总额 (含税)"
|
||
]
|
||
ws.append(headers)
|
||
|
||
# 确定各字段在表头中的列索引
|
||
col_idx = {}
|
||
for idx, header in enumerate(headers):
|
||
if header == "所属公司":
|
||
col_idx['companyName'] = idx
|
||
elif header == "资产名称":
|
||
col_idx['name'] = idx
|
||
elif header == "规格型号":
|
||
col_idx['spec'] = idx
|
||
elif header == "物料类型":
|
||
col_idx['type'] = idx
|
||
elif header in ("类别一级", "类别二级", "类别三级", "类别四级", "类别五级"):
|
||
col_idx.setdefault('category_cols', []).append(idx)
|
||
elif header == "计量单位":
|
||
col_idx['unit'] = idx
|
||
elif header == "库存数量":
|
||
col_idx['inventoryCount'] = idx
|
||
elif header == "可用数量":
|
||
col_idx['availableCount'] = idx
|
||
elif header == "单价/成本 (不含税)":
|
||
col_idx['price_excl'] = idx
|
||
elif header == "资产总额 (不含税)":
|
||
col_idx['total_val_excl'] = idx
|
||
elif header == "税率 (%)":
|
||
col_idx['tax'] = idx
|
||
elif header == "单价/成本 (含税)":
|
||
col_idx['price_incl'] = idx
|
||
elif header == "资产总额 (含税)":
|
||
col_idx['total_val'] = idx
|
||
|
||
# 样式
|
||
header_fill = PatternFill(start_color="D7E4BC", end_color="D7E4BC", fill_type="solid")
|
||
border_style = Border(left=Side(style='thin'), right=Side(style='thin'), top=Side(style='thin'),
|
||
bottom=Side(style='thin'))
|
||
|
||
for cell in ws[1]:
|
||
cell.font = Font(bold=True, name='微软雅黑')
|
||
cell.alignment = Alignment(horizontal='center', vertical='center')
|
||
cell.fill = header_fill
|
||
cell.border = border_style
|
||
|
||
# 字段到权限码的映射
|
||
field_to_perm = {
|
||
'companyName': 'material_list:companyName',
|
||
'name': 'material_list:name',
|
||
'spec': 'material_list:spec',
|
||
'type': 'material_list:type',
|
||
'unit': 'material_list:unit',
|
||
'category': 'material_list:category',
|
||
'inventoryCount': 'material_list:inventoryCount',
|
||
'availableCount': 'material_list:availableCount'
|
||
}
|
||
|
||
# 写入数据，并脱敏
|
||
for r in all_rows:
|
||
base = r['base']
|
||
# 类别拆分
|
||
cat_parts = (base.category or "").split('/')
|
||
while len(cat_parts) < 5:
|
||
cat_parts.append("")
|
||
|
||
# 日期格式化
|
||
date_str = r['date'].strftime('%Y-%m-%d') if isinstance(r['date'], datetime.date) else ""
|
||
|
||
row_val = [
|
||
base.company_name,
|
||
base.name,
|
||
base.spec_model,
|
||
base.material_type,
|
||
cat_parts[0], cat_parts[1], cat_parts[2], cat_parts[3], cat_parts[4],
|
||
base.unit,
|
||
r['type_name'],
|
||
r['ident'],
|
||
r['loc'],
|
||
r['source'],
|
||
date_str,
|
||
r['qty'],
|
||
r['avail'],
|
||
r['price_excl'],
|
||
r['total_val_excl'],
|
||
r['tax'],
|
||
r['price_incl'],
|
||
r['total_val']
|
||
]
|
||
|
||
# 根据用户权限脱敏
|
||
if user_permissions is not None:
|
||
for field, perm_code in field_to_perm.items():
|
||
if perm_code not in user_permissions:
|
||
if field == 'category':
|
||
for cat_idx in col_idx.get('category_cols', []):
|
||
row_val[cat_idx] = ''
|
||
elif field in col_idx:
|
||
row_val[col_idx[field]] = ''
|
||
|
||
# 联动脱敏：根据数据来源，校验对应模块的价格/成本权限
|
||
if user_permissions is not None:
|
||
# 超级管理员拥有所有权限，跳过价格脱敏
|
||
if 'material_list:*' in user_permissions:
|
||
# 拥有通配符权限，不隐藏价格列
|
||
pass
|
||
else:
|
||
has_price_perm = True
|
||
row_type = r['type_name']
|
||
|
||
# 根据数据来源检查对应模块的权限
|
||
if row_type == '采购件':
|
||
# 校验采购模块的价格权限
|
||
has_price_perm = any(p in user_permissions for p in
|
||
['inbound_buy:postTaxUnitPrice', 'inbound_buy:preTaxUnitPrice',
|
||
'inbound_buy:totalAmount'])
|
||
elif row_type == '半成品':
|
||
# 校验半成品模块的成本权限
|
||
has_price_perm = any(p in user_permissions for p in
|
||
['inbound_semi:rawMaterialCost', 'inbound_semi:manualCost'])
|
||
elif row_type == '成品':
|
||
# 校验成品模块的成本权限
|
||
has_price_perm = any(p in user_permissions for p in
|
||
['inbound_product:rawMaterialCost', 'inbound_product:manualCost'])
|
||
else:
|
||
# 未知类型，默认隐藏价格列
|
||
has_price_perm = False
|
||
|
||
# 如果没有对应模块的价格查看权限，则清空涉密的5个列
|
||
if not has_price_perm:
|
||
for p_col in ['price_excl', 'total_val_excl', 'tax', 'price_incl', 'total_val']:
|
||
if p_col in col_idx:
|
||
row_val[col_idx[p_col]] = ''
|
||
|
||
ws.append(row_val)
|
||
|
||
# 列宽调整
|
||
dims = {}
|
||
for row in ws.rows:
|
||
for cell in row:
|
||
if cell.value:
|
||
dims[cell.column_letter] = max((dims.get(cell.column_letter, 0), len(str(cell.value))))
|
||
for col, value in dims.items():
|
||
ws.column_dimensions[col].width = min(value + 2, 30)
|
||
|
||
output = io.BytesIO()
|
||
wb.save(output)
|
||
output.seek(0)
|
||
return output
|
||
|
||
except Exception as e:
|
||
traceback.print_exc()
|
||
raise e
|