309 lines
13 KiB
Python
309 lines
13 KiB
Python
# 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.base import MaterialBase
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from app.models.outbound import TransOutbound
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from datetime import datetime, timedelta, timezone # [修改] 引入 timezone
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from sqlalchemy import or_, func, text, and_
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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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# 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):
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"""搜索基础物料"""
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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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query = query.filter(
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or_(
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MaterialBase.name.ilike(f'%{keyword}%'),
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MaterialBase.spec_model.ilike(f'%{keyword}%')
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)
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)
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query = query.order_by(MaterialBase.id.desc()).limit(20)
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results = []
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for item in query.all():
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results.append({
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'id': item.id, 'name': item.name, 'spec': item.spec_model,
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'category': item.category, 'unit': item.unit,
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'type': item.material_type, '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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# ============================================================
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# 2. 新增入库逻辑 (强制北京时间)
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# ============================================================
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@staticmethod
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def handle_inbound(data):
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"""新增入库"""
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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("物料不存在")
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# [核心修改] 获取当前北京时间 (UTC+8)
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# 无论服务器在 UTC 还是其他时区，这里强制转换为 UTC+8 并去掉时区信息存入数据库
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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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# 如果前端传了时分秒，尝试直接解析
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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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# 如果只传了日期，使用该日期 + 当前北京时间的时分秒
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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,
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current_time.hour, current_time.minute, current_time.second)
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except:
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# 解析失败则使用当前北京时间
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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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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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generated_sku = str(next_global_id).zfill(10)
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final_barcode = data.get('barcode') or generated_sku
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arrival_list = data.get('arrival_photo', [])
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report_list = data.get('inspection_report', [])
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if not isinstance(arrival_list, list): arrival_list = []
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if not isinstance(report_list, list): report_list = []
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new_stock = StockBuy(
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base_id=material.id,
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global_print_id=next_global_id,
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sku=generated_sku,
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barcode=final_barcode,
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in_date=in_date_val, # 存入 DateTime 对象
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serial_number=data.get('serial_number'),
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batch_number=data.get('batch_number'),
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status=data.get('status', '在库'),
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in_quantity=in_qty,
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stock_quantity=in_qty,
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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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unit_price=u_price,
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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'),
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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'),
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detail_link=data.get('detail_link'),
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arrival_photo=json.dumps(arrival_list),
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inspection_report=json.dumps(report_list)
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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. 更新入库逻辑
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# ============================================================
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@staticmethod
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def update_inbound(stock_id, data):
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"""更新入库"""
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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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field_mapping = {
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'sku': 'sku', 'barcode': 'barcode',
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'warehouse_location': 'warehouse_location',
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'serial_number': 'serial_number', 'batch_number': 'batch_number',
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'status': 'status', 'inspection_status': 'inspection_status',
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'supplier_name': 'supplier_name', 'detail_link': 'detail_link',
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'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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}
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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 and isinstance(data['arrival_photo'], list):
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stock.arrival_photo = json.dumps(data['arrival_photo'])
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if 'inspection_report' in data and isinstance(data['inspection_report'], list):
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stock.inspection_report = json.dumps(data['inspection_report'])
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if 'in_quantity' in data:
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new_qty = float(data['in_quantity'])
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diff = new_qty - float(stock.in_quantity)
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if diff != 0:
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stock.in_quantity = new_qty
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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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if 'unit_price' in data:
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stock.unit_price = float(data['unit_price'])
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stock.total_price = float(stock.in_quantity) * float(stock.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. 删除逻辑
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# ============================================================
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@staticmethod
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def delete_inbound(stock_id):
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"""删除入库"""
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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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db.session.delete(stock)
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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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raise e
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# ============================================================
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# 5. 获取出库流转历史
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# ============================================================
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@staticmethod
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def get_outbound_history(stock_id):
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"""获取出库历史"""
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try:
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records = TransOutbound.query.filter_by(
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source_table='stock_buy', stock_id=stock_id
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).order_by(TransOutbound.outbound_time.desc()).all()
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return [r.to_dict() for r in records]
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except:
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return []
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# ============================================================
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# 6. 获取列表 (修改：按时间倒序排序 + 展示只显示日期)
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# ============================================================
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@staticmethod
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def get_list(page, limit, keyword=None, statuses=None):
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"""
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获取列表
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:param statuses: 状态列表 (e.g. ['在库', '借库', '已出库'])
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"""
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try:
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query = db.session.query(StockBuy).outerjoin(MaterialBase, StockBuy.base_id == MaterialBase.id)
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# 1. 关键词搜索
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if keyword:
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kw = f'%{keyword}%'
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query = query.filter(
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or_(
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MaterialBase.name.ilike(kw),
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MaterialBase.spec_model.ilike(kw),
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StockBuy.batch_number.ilike(kw),
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StockBuy.serial_number.ilike(kw),
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StockBuy.sku.ilike(kw),
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StockBuy.supplier_name.ilike(kw)
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)
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)
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# 2. 状态筛选
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if not statuses:
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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(
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and_(
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StockBuy.status.in_(statuses),
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StockBuy.stock_quantity > 0
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)
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)
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# [核心修改] 按照入库时间倒序排序 (从近到远)
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pagination = query.order_by(StockBuy.in_date.desc()).paginate(page=page, per_page=limit, error_out=False)
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current_items = pagination.items
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def parse_img(json_str):
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if not json_str: return []
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try:
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return json.loads(json_str) if json_str.startswith('[') else [json_str]
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except:
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return []
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items = []
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for item in current_items:
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qty_stock = float(item.stock_quantity or 0)
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qty_avail = float(item.available_quantity or 0)
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# [核心修改] 格式化展示日期，去掉时分秒
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date_display = ''
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if item.in_date:
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try:
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date_display = item.in_date.strftime('%Y-%m-%d')
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except:
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date_display = str(item.in_date)[:10]
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d = {
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'id': item.id,
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'base_id': item.base_id,
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'material_name': item.material.name if item.material else '',
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'spec_model': item.material.spec_model if item.material else '',
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'category': item.material.category if item.material else '',
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'unit': item.material.unit if item.material else '',
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'material_type': item.material.material_type if item.material else '',
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'sku': item.sku,
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'inbound_date': date_display, # 前端展示用的日期字符串
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'barcode': item.barcode,
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'serial_number': item.serial_number,
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'batch_number': item.batch_number,
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'status': item.status,
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'inspection_status': item.inspection_status,
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'qty_inbound': float(item.in_quantity or 0),
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'qty_stock': qty_stock,
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'qty_available': qty_avail,
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'sum_stock': qty_stock,
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'sum_available': qty_avail,
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'warehouse_loc': item.warehouse_location,
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'unit_price': float(item.unit_price or 0),
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'total_price': float(item.total_price or 0),
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'currency': item.currency,
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'exchange_rate': float(item.exchange_rate or 1),
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'supplier_name': item.supplier_name,
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'purchaser': item.buyer_name,
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'purchaser_email': item.buyer_email,
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'source_link': item.original_link,
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'detail_link': item.detail_link,
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'arrival_photo': parse_img(item.arrival_photo),
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'inspection_report': parse_img(item.inspection_report),
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'global_print_id': item.global_print_id,
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'global_print_id_str': f"{item.global_print_id:08d}" if item.global_print_id else ""
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}
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items.append(d)
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return {"total": pagination.total, "items": items}
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except Exception as e:
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traceback.print_exc()
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return {"total": 0, "items": []} |