555 lines
26 KiB
Python
555 lines
26 KiB
Python
# inventory-backend/app/services/inbound/buy_service.py
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from app.extensions import db
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from app.models.inbound.buy import StockBuy
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from app.models.inbound.product import StockProduct
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from app.models.base import MaterialBase
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from datetime import datetime, timedelta, timezone
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from sqlalchemy import or_, func, text, and_
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from sqlalchemy.exc import IntegrityError
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import traceback
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import json
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class BuyInboundService:
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# ============================================================
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# 0. 辅助：唯一性校验
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# ============================================================
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@staticmethod
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def _check_unique(base_id, serial_number, batch_number, exclude_id=None):
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"""
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校验序列号/批号是否已存在
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返回: None 表示校验通过，str 类型的错误信息表示校验失败
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"""
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if serial_number:
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query = StockBuy.query.filter(StockBuy.serial_number == serial_number)
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if exclude_id:
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query = query.filter(StockBuy.id != exclude_id)
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exists = query.first()
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if exists:
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occupied_name = exists.base.name if exists.base else "未知物料"
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return f"序列号【{serial_number}】已存在！被物料 [{occupied_name}] 占用，请核查。"
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if batch_number and base_id:
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query = StockBuy.query.filter(
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StockBuy.base_id == base_id,
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StockBuy.batch_number == batch_number
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)
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if exclude_id:
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query = query.filter(StockBuy.id != exclude_id)
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if query.first():
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return f"该物料已存在批号【{batch_number}】，请勿重复录入，可直接在该批次下追加库存。"
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return None
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# ============================================================
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# 1. 基础物料搜索
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# ============================================================
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@staticmethod
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def search_base_material(keyword, page=1, limit=50):
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try:
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query = MaterialBase.query.filter(MaterialBase.is_enabled == True)
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if keyword:
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k = keyword.strip()
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k_str = f'%{k}%'
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query = query.filter(and_(
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or_(
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MaterialBase.name.ilike(k_str),
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MaterialBase.spec_model.ilike(k_str),
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MaterialBase.company_name.ilike(k_str) # 支持搜公司
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)
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))
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query = query.order_by(MaterialBase.id.desc())
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pagination = query.paginate(page=page, per_page=limit, error_out=False)
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items = []
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for item in pagination.items:
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# 查询最近一次入库的库位（采购入库 + 成品入库）
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last_location = ''
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# 查采购入库
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last_buy = StockBuy.query.filter(
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StockBuy.base_id == item.id
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).order_by(StockBuy.in_date.desc()).first()
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if last_buy and last_buy.warehouse_location:
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last_location = last_buy.warehouse_location
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else:
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# 查成品入库
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last_product = StockProduct.query.filter(
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StockProduct.base_id == item.id
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).order_by(StockProduct.in_date.desc()).first()
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if last_product and last_product.warehouse_location:
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last_location = last_product.warehouse_location
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items.append({
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'id': item.id,
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'company_name': item.company_name,
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'name': item.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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'brand': getattr(item, 'brand', ''),
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'manufacturer': getattr(item, 'manufacturer', ''),
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'pinyin': getattr(item, 'pinyin', ''),
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'status': '启用',
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'history_location': last_location
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})
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return {
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"items": items,
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"total": pagination.total,
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"page": page,
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"has_next": pagination.has_next
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}
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except Exception as e:
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traceback.print_exc()
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return {"items": [], "total": 0, "page": 1, "has_next": False}
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# ============================================================
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# 2. 新增入库逻辑
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# ============================================================
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@staticmethod
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def handle_inbound(data):
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try:
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base_id = data.get('base_id')
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if not base_id: raise ValueError("必须选择基础物料")
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material = MaterialBase.query.get(base_id)
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if not material: raise ValueError("所选物料不存在")
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if not material.is_enabled: raise ValueError(f"物料【{material.name}】已停用")
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# ============================================================
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# 强制质检校验：如果物料标记为强制质检，则必须提供到检状态和检测报告
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# ============================================================
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if material.is_inspection_required:
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inspection_status = data.get('inspection_status')
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if not inspection_status:
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raise ValueError(f"物料【{material.name}】为强管控物料，必须选择到检状态")
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# 检查检测报告：文件列表或外部链接至少有一个
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# 前端会将外部链接添加到 inspection_report 数组中一起提交
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inspection_report_list = data.get('inspection_report', [])
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# 过滤空字符串，只保留有效报告（字符串长度 > 0 且去除空格后非空）
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valid_reports = [r for r in inspection_report_list if r and str(r).strip()]
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has_report_file = valid_reports and len(valid_reports) > 0
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if not has_report_file:
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raise ValueError(f"物料【{material.name}】为强管控物料，必须提供检测报告文件或外部链接")
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# 校验批号/序列号唯一性
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unique_error = BuyInboundService._check_unique(
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base_id=base_id,
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serial_number=data.get('serial_number'),
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batch_number=data.get('batch_number')
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)
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if unique_error:
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return {'error': unique_error}
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beijing_tz = timezone(timedelta(hours=8))
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current_time = datetime.now(beijing_tz).replace(tzinfo=None)
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in_date_val = current_time
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if data.get('in_date'):
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try:
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date_str = str(data['in_date'])
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if len(date_str) > 10:
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in_date_val = datetime.strptime(date_str, '%Y-%m-%d %H:%M:%S')
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else:
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d_temp = datetime.strptime(date_str, '%Y-%m-%d')
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in_date_val = datetime(d_temp.year, d_temp.month, d_temp.day, current_time.hour,
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current_time.minute, current_time.second)
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except:
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in_date_val = current_time
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in_qty = float(data.get('in_quantity') or 0)
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u_price = float(data.get('unit_price') or 0)
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tax_rate = float(data.get('tax_rate') or 0)
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# 计算税后单价
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post_tax_price = float(data.get('post_tax_unit_price') or 0)
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if post_tax_price == 0 and u_price > 0:
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tax_multiplier = 1 + (tax_rate / 100)
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post_tax_price = u_price * tax_multiplier
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try:
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seq_sql = text("SELECT nextval('global_print_seq')")
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result = db.session.execute(seq_sql)
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next_global_id = result.scalar()
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except:
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next_global_id = None
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generated_sku = str(next_global_id).zfill(10) if next_global_id else datetime.now().strftime('%Y%m%d%H%M%S')
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final_barcode = data.get('barcode') or generated_sku
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new_stock = StockBuy(
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base_id=material.id, global_print_id=next_global_id, sku=generated_sku, barcode=final_barcode,
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in_date=in_date_val, serial_number=data.get('serial_number'), batch_number=data.get('batch_number'),
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status=data.get('status', '在库'), in_quantity=in_qty, stock_quantity=in_qty, available_quantity=in_qty,
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inspection_status=data.get('inspection_status', '未检'),
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warehouse_location=data.get('warehouse_location'),
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# 价格信息
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pre_tax_unit_price=u_price,
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post_tax_unit_price=post_tax_price,
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tax_rate=tax_rate,
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total_price=in_qty * u_price,
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currency=data.get('currency', 'CNY'),
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exchange_rate=data.get('exchange_rate', 1.0),
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supplier_name=data.get('supplier_name'), buyer_name=data.get('purchaser'),
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buyer_email=data.get('purchaser_email'),
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original_link=data.get('source_link'), detail_link=data.get('detail_link'),
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arrival_photo=json.dumps(data.get('arrival_photo', [])),
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inspection_report=json.dumps(data.get('inspection_report', []))
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)
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db.session.add(new_stock)
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db.session.commit()
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return new_stock
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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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# ============================================================
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# 3. 更新入库
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# ============================================================
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@staticmethod
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def update_inbound(stock_id, data):
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try:
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stock = StockBuy.query.get(stock_id)
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if not stock: raise ValueError("记录不存在")
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# 获取物料信息用于校验
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base_id = data.get('base_id', stock.base_id)
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material = MaterialBase.query.get(base_id)
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# ============================================================
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# 强制质检校验：如果物料标记为强制质检，则必须提供到检状态和检测报告
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# ============================================================
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if material and material.is_inspection_required:
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inspection_status = data.get('inspection_status', stock.inspection_status)
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if not inspection_status:
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raise ValueError(f"物料【{material.name}】为强管控物料，必须选择到检状态")
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# 检查检测报告：文件列表至少有一个
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inspection_report_list = data.get('inspection_report')
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if inspection_report_list is None:
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# 如果没有传入，使用现有的
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import json as json_module
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try:
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existing_reports = json_module.loads(stock.inspection_report) if stock.inspection_report else []
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except:
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existing_reports = []
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# 过滤空字符串，只保留有效报告
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valid_reports = [r for r in existing_reports if r and str(r).strip()]
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has_report_file = valid_reports and len(valid_reports) > 0
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else:
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# 过滤空字符串，只保留有效报告
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valid_reports = [r for r in inspection_report_list if r and str(r).strip()]
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has_report_file = valid_reports and len(valid_reports) > 0
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if not has_report_file:
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raise ValueError(f"物料【{material.name}】为强管控物料，必须提供检测报告文件或外部链接")
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BuyInboundService._check_unique(base_id=base_id,
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serial_number=data.get('serial_number', stock.serial_number),
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batch_number=data.get('batch_number', stock.batch_number),
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exclude_id=stock_id)
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field_mapping = {'sku': 'sku', 'barcode': 'barcode', 'base_id': 'base_id',
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'warehouse_location': 'warehouse_location', 'serial_number': 'serial_number',
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'batch_number': 'batch_number', 'status': 'status',
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'inspection_status': 'inspection_status', 'supplier_name': 'supplier_name',
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'detail_link': 'detail_link', 'currency': 'currency', 'exchange_rate': 'exchange_rate',
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'purchaser': 'buyer_name', 'purchaser_email': 'buyer_email',
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'source_link': 'original_link'}
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for k, v in field_mapping.items():
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if k in data: setattr(stock, v, data[k])
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if 'arrival_photo' in data: stock.arrival_photo = json.dumps(data['arrival_photo'])
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if 'inspection_report' in data: stock.inspection_report = json.dumps(data['inspection_report'])
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# 更新税率
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if 'tax_rate' in data:
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stock.tax_rate = float(data['tax_rate'])
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# 更新税前单价
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if 'unit_price' in data:
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stock.pre_tax_unit_price = float(data['unit_price'])
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# 更新税后单价
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if 'post_tax_unit_price' in data:
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stock.post_tax_unit_price = float(data['post_tax_unit_price'])
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else:
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# 如果税后单价没有提供，根据税前单价和税率计算
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if 'unit_price' in data or 'tax_rate' in data:
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tax_multiplier = 1 + (float(data.get('tax_rate', stock.tax_rate or 0)) / 100)
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stock.post_tax_unit_price = float(stock.pre_tax_unit_price) * tax_multiplier
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if 'in_quantity' in data:
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diff = float(data['in_quantity']) - float(stock.in_quantity)
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if diff != 0:
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stock.in_quantity = float(data['in_quantity'])
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stock.stock_quantity = float(stock.stock_quantity) + diff
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stock.available_quantity = float(stock.available_quantity) + diff
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# 重新计算总价
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stock.total_price = float(stock.in_quantity) * float(stock.pre_tax_unit_price)
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db.session.commit()
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return stock
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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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# ============================================================
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# 4. 删除
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# ============================================================
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@staticmethod
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def delete_inbound(stock_id):
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try:
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stock = StockBuy.query.get(stock_id)
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if not stock: raise ValueError("记录不存在")
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# 提前获取物料名称用于审计日志（通过外键关系 base.name 获取）
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material_name = stock.base.name if stock.base else '未知物料'
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db.session.delete(stock)
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db.session.commit()
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return material_name
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except IntegrityError:
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db.session.rollback()
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raise ValueError("该入库单已被出库、盘点或借还等业务关联，为保证账目完整，禁止删除！")
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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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# ============================================================
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# 5. 获取列表 (支持排序和高级筛选)
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# ============================================================
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@staticmethod
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def get_list(page, limit, keyword=None, sku=None, search_field='all', statuses=None, category=None, material_type=None, company=None,
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order_by='', is_asc='', advanced_filters=None):
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try:
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from sqlalchemy import and_, or_
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query = db.session.query(StockBuy).outerjoin(MaterialBase, StockBuy.base_id == MaterialBase.id)
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# 1. 通用关键词搜索（支持指定字段精准搜索）
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if keyword:
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k_str = f'%{keyword.strip()}%'
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if search_field == 'name':
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query = query.filter(MaterialBase.name.ilike(k_str))
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elif search_field == 'spec':
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query = query.filter(MaterialBase.spec_model.ilike(k_str))
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elif search_field == 'common_name':
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query = query.filter(MaterialBase.common_name.ilike(k_str))
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elif search_field == 'barcode':
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query = query.filter(StockBuy.barcode.ilike(k_str))
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elif search_field == 'batch_number':
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query = query.filter(StockBuy.batch_number.ilike(k_str))
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elif search_field == 'supplier_name':
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query = query.filter(StockBuy.supplier_name.ilike(k_str))
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elif search_field == 'buyer_name':
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query = query.filter(StockBuy.buyer_name.ilike(k_str))
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else: # 'all' 默认全局模糊匹配
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conditions = [
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StockBuy.barcode.ilike(k_str),
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StockBuy.batch_number.ilike(k_str),
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StockBuy.serial_number.ilike(k_str),
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StockBuy.supplier_name.ilike(k_str),
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StockBuy.buyer_name.ilike(k_str),
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MaterialBase.name.ilike(k_str),
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MaterialBase.spec_model.ilike(k_str),
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MaterialBase.company_name.ilike(k_str),
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]
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query = query.filter(or_(*conditions))
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# 1.1 SKU 独立搜索
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if sku and sku.strip():
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sku_str = f'%{sku.strip()}%'
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query = query.filter(StockBuy.sku.ilike(sku_str))
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# 2. 类别独立搜索
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if category and category.strip():
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query = query.filter(MaterialBase.category == category.strip())
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# 3. 类型独立搜索
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if material_type and material_type.strip():
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query = query.filter(MaterialBase.material_type == material_type.strip())
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# 3.1 公司独立搜索 [新增]
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if company and company.strip():
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query = query.filter(MaterialBase.company_name == company.strip())
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# 4. 状态筛选
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if not statuses: statuses = ['在库', '借库']
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if '已出库' in statuses:
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query = query.filter(StockBuy.status.in_(statuses))
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else:
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query = query.filter(and_(StockBuy.status.in_(statuses), StockBuy.stock_quantity > 0))
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# 5. 高级动态筛选
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if advanced_filters:
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allowed_fields = {
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'company_name': MaterialBase.company_name,
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'material_name': MaterialBase.name,
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'material_type': MaterialBase.material_type,
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'category': MaterialBase.category,
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'spec_model': MaterialBase.spec_model,
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'unit': MaterialBase.unit,
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'sku': StockBuy.sku,
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'barcode': StockBuy.barcode,
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'batch_number': StockBuy.batch_number,
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'serial_number': StockBuy.serial_number,
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'warehouse_location': StockBuy.warehouse_location,
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'status': StockBuy.status,
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'inspection_status': StockBuy.inspection_status,
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'qty_inbound': StockBuy.in_quantity,
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'qty_stock': StockBuy.stock_quantity,
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'qty_available': StockBuy.available_quantity,
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'unit_price': StockBuy.pre_tax_unit_price,
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'total_price': StockBuy.total_price,
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'tax_rate': StockBuy.tax_rate,
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'currency': StockBuy.currency,
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'exchange_rate': StockBuy.exchange_rate,
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'supplier_name': StockBuy.supplier_name,
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'purchaser': StockBuy.buyer_name,
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'purchaser_email': StockBuy.buyer_email,
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'source_link': StockBuy.original_link,
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'detail_link': StockBuy.detail_link,
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}
|
||
filter_conditions = []
|
||
for condition in advanced_filters:
|
||
field = condition.get('field')
|
||
operator = condition.get('operator')
|
||
value = condition.get('value')
|
||
if not field or not operator or value is None:
|
||
continue
|
||
column = allowed_fields.get(field)
|
||
if column is None:
|
||
continue
|
||
if operator == 'eq':
|
||
filter_conditions.append(column == value)
|
||
elif operator == 'ne':
|
||
filter_conditions.append(column != value)
|
||
elif operator == 'contains':
|
||
filter_conditions.append(column.ilike(f'%{value}%'))
|
||
elif operator == 'not_contains':
|
||
filter_conditions.append(~column.ilike(f'%{value}%'))
|
||
elif operator == 'ge':
|
||
try:
|
||
num_val = float(value)
|
||
filter_conditions.append(column >= num_val)
|
||
except ValueError:
|
||
continue
|
||
elif operator == 'le':
|
||
try:
|
||
num_val = float(value)
|
||
filter_conditions.append(column <= num_val)
|
||
except ValueError:
|
||
continue
|
||
if filter_conditions:
|
||
query = query.filter(and_(*filter_conditions))
|
||
|
||
# 6. 排序处理
|
||
if order_by:
|
||
sort_field_map = {
|
||
'company_name': MaterialBase.company_name,
|
||
'material_name': MaterialBase.name,
|
||
'material_type': MaterialBase.material_type,
|
||
'category': MaterialBase.category,
|
||
'spec_model': MaterialBase.spec_model,
|
||
'unit': MaterialBase.unit,
|
||
'sku': StockBuy.sku,
|
||
'barcode': StockBuy.barcode,
|
||
'inbound_date': StockBuy.in_date,
|
||
'serial_number': StockBuy.serial_number,
|
||
'batch_number': StockBuy.batch_number,
|
||
'status': StockBuy.status,
|
||
'inspection_status': StockBuy.inspection_status,
|
||
'qty_inbound': StockBuy.in_quantity,
|
||
'qty_stock': StockBuy.stock_quantity,
|
||
'qty_available': StockBuy.available_quantity,
|
||
'warehouse_loc': StockBuy.warehouse_location,
|
||
'unit_price': StockBuy.pre_tax_unit_price,
|
||
'total_price': StockBuy.total_price,
|
||
'tax_rate': StockBuy.tax_rate,
|
||
'currency': StockBuy.currency,
|
||
'exchange_rate': StockBuy.exchange_rate,
|
||
'supplier_name': StockBuy.supplier_name,
|
||
'purchaser': StockBuy.buyer_name,
|
||
'purchaser_email': StockBuy.buyer_email,
|
||
'source_link': StockBuy.original_link,
|
||
'detail_link': StockBuy.detail_link,
|
||
}
|
||
column = sort_field_map.get(order_by)
|
||
if column:
|
||
if is_asc == 'asc':
|
||
query = query.order_by(column.asc())
|
||
elif is_asc == 'desc':
|
||
query = query.order_by(column.desc())
|
||
else:
|
||
# 默认排序
|
||
query = query.order_by(StockBuy.in_date.desc())
|
||
|
||
pagination = query.paginate(page=page, per_page=limit, error_out=False)
|
||
items = []
|
||
for item in pagination.items:
|
||
items.append(item.to_dict()) # 直接使用 model 的 to_dict
|
||
return {"total": pagination.total, "items": items}
|
||
except Exception:
|
||
traceback.print_exc()
|
||
return {"total": 0, "items": []}
|
||
|
||
# ============================================================
|
||
# 6. 获取筛选选项（类别、类型、公司）并排序
|
||
# ============================================================
|
||
@staticmethod
|
||
def get_filter_options():
|
||
try:
|
||
# 类别
|
||
categories = db.session.query(MaterialBase.category) \
|
||
.filter(MaterialBase.category != None, MaterialBase.category != '') \
|
||
.distinct().all()
|
||
sorted_categories = sorted([r[0] for r in categories])
|
||
|
||
# 类型
|
||
types = db.session.query(MaterialBase.material_type) \
|
||
.filter(MaterialBase.material_type != None, MaterialBase.material_type != '') \
|
||
.distinct().all()
|
||
sorted_types = sorted([r[0] for r in types])
|
||
|
||
# [新增] 公司
|
||
companies = db.session.query(MaterialBase.company_name) \
|
||
.filter(MaterialBase.company_name != None, MaterialBase.company_name != '') \
|
||
.distinct().all()
|
||
sorted_companies = sorted([r[0] for r in companies])
|
||
|
||
return {
|
||
"categories": sorted_categories,
|
||
"types": sorted_types,
|
||
"companies": sorted_companies
|
||
}
|
||
except Exception:
|
||
traceback.print_exc()
|
||
return {"categories": [], "types": [], "companies": []}
|
||
|
||
# 7-10 建议类接口保持不变
|
||
@staticmethod
|
||
def get_history_suppliers(base_id):
|
||
return [r[0] for r in db.session.query(StockBuy.supplier_name).filter(StockBuy.base_id == base_id,
|
||
StockBuy.supplier_name != '').distinct().all()]
|
||
|
||
@staticmethod
|
||
def get_history_purchasers(keyword):
|
||
return [{'value': r.buyer_name, 'email': r.buyer_email} for r in
|
||
db.session.query(StockBuy.buyer_name, StockBuy.buyer_email).filter(
|
||
StockBuy.buyer_name != '').distinct().all()]
|
||
|
||
@staticmethod
|
||
def get_history_links(base_id, type):
|
||
return [r[0] for r in
|
||
db.session.query(StockBuy.original_link if type == 'original' else StockBuy.detail_link).filter(
|
||
StockBuy.base_id == base_id).distinct().all()]
|
||
|
||
@staticmethod
|
||
def get_history_locations(base_id):
|
||
return [r[0] for r in
|
||
db.session.query(StockBuy.warehouse_location).filter(StockBuy.base_id == base_id).distinct().all()]
|