391 lines
15 KiB
Python
391 lines
15 KiB
Python
# 文件路径: 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.base import MaterialBase
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# 引入出库记录模型，用于查询流转历史
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from app.models.outbound import TransOutbound
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from datetime import datetime
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from sqlalchemy import or_, func, text
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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 (供下拉框使用)
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# ============================================================
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@staticmethod
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def search_base_material(keyword):
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"""
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搜索基础物料
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如果 keyword 为空，返回最新的 20 条记录
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"""
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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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# 无论是否有关键词，都按 ID 倒序排列，取前 20 条
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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,
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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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'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
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# ============================================================
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@staticmethod
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def handle_inbound(data):
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"""
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处理入库逻辑
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"""
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try:
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base_id = data.get('base_id')
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if not base_id:
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raise ValueError("必须选择基础物料进行入库 (缺少 base_id)")
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material = MaterialBase.query.get(base_id)
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if not material:
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raise ValueError(f"ID为 {base_id} 的基础物料不存在")
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in_date_val = datetime.utcnow().date()
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if data.get('in_date'):
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try:
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# 兼容 YYYY-MM-DD HH:MM:SS 或 YYYY-MM-DD
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date_str = str(data['in_date'])
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if len(date_str) > 10:
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date_str = date_str[:10]
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in_date_val = datetime.strptime(date_str, '%Y-%m-%d').date()
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except ValueError:
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pass
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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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# 1. 获取全局打印流水号 (跨表唯一)
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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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# 2. 自动生成 SKU (格式: 00000001)
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generated_sku = str(next_global_id).zfill(10)
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# 3. 条码逻辑处理
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final_barcode = data.get('barcode')
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if not final_barcode:
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final_barcode = generated_sku
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# 4. 图片列表转 JSON 字符串处理
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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, # 自动生成的SKU
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barcode=final_barcode, # 如果未输入，则存入SKU值
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in_date=in_date_val,
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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='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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# 将列表转为 JSON 字符串存储
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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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# 返回创建的对象实例
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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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"""
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更新入库记录
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"""
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try:
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print(f"----- UPDATE DEBUG: ID={stock_id} -----")
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stock = StockBuy.query.get(stock_id)
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if not stock:
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raise ValueError("记录不存在")
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# 基础字段映射
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field_mapping = {
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'sku': 'sku',
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'barcode': 'barcode',
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'warehouse_location': 'warehouse_location',
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'serial_number': 'serial_number',
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'batch_number': 'batch_number',
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'status': 'status',
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'inspection_status': 'inspection_status',
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'supplier_name': 'supplier_name',
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'detail_link': 'detail_link',
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'currency': 'currency',
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'exchange_rate': 'exchange_rate',
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'purchaser': 'buyer_name',
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'purchaser_email': 'buyer_email',
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'source_link': 'original_link'
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}
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for frontend_key, db_attr in field_mapping.items():
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if frontend_key in data:
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setattr(stock, db_attr, data[frontend_key])
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if 'arrival_photo' in data:
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imgs = data['arrival_photo']
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if isinstance(imgs, list):
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stock.arrival_photo = json.dumps(imgs)
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if 'inspection_report' in data:
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imgs = data['inspection_report']
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if isinstance(imgs, list):
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stock.inspection_report = json.dumps(imgs)
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# 数量与金额联动更新逻辑
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qty_changed = False
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price_changed = False
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if 'in_quantity' in data:
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new_qty = float(data['in_quantity'])
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old_qty = float(stock.in_quantity)
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if new_qty != old_qty:
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diff = new_qty - old_qty
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stock.in_quantity = new_qty
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# 注意：手动修改入库量时，同步调整总库存和可用库存
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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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qty_changed = True
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if 'unit_price' in data:
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new_price = float(data['unit_price'])
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old_price = float(stock.unit_price)
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if new_price != old_price:
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stock.unit_price = new_price
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price_changed = True
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if qty_changed or price_changed:
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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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print("----- UPDATE SUCCESS -----")
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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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print(f"----- UPDATE FAILED: {str(e)} -----")
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traceback.print_exc()
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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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"""
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删除入库记录
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"""
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try:
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stock = StockBuy.query.get(stock_id)
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if not stock:
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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. [新增] 获取出库流转历史 (挂钩出库记录)
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# ============================================================
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@staticmethod
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def get_outbound_history(stock_id):
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"""
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查询该入库单对应的所有出库记录
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"""
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try:
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records = TransOutbound.query.filter_by(
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source_table='stock_buy',
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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 Exception as e:
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traceback.print_exc()
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return []
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# ============================================================
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# 6. 获取列表 (含动态状态计算)
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# ============================================================
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@staticmethod
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def get_list(page, limit, keyword=None):
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try:
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# 1. 联表查询：StockBuy join MaterialBase
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query = db.session.query(StockBuy).outerjoin(MaterialBase, StockBuy.base_id == MaterialBase.id)
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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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StockBuy.batch_number.ilike(f'%{keyword}%'),
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StockBuy.serial_number.ilike(f'%{keyword}%'),
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StockBuy.sku.ilike(f'%{keyword}%'),
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StockBuy.supplier_name.ilike(f'%{keyword}%')
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)
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)
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pagination = query.order_by(StockBuy.id.desc()).paginate(page=page, per_page=limit, error_out=False)
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current_items = pagination.items
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base_ids = list(set([item.base_id for item in current_items if item.base_id]))
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# 2. 聚合统计 (计算该种物料的总库存)
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stock_map = {}
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if base_ids:
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aggregates = db.session.query(
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StockBuy.base_id,
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func.sum(StockBuy.stock_quantity).label('total_stock'),
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func.sum(StockBuy.available_quantity).label('total_avail')
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).filter(StockBuy.base_id.in_(base_ids)).group_by(StockBuy.base_id).all()
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for agg in aggregates:
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stock_map[agg.base_id] = {
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'total_stock': float(agg.total_stock or 0),
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'total_avail': float(agg.total_avail or 0)
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}
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# 辅助函数：解析JSON图片列表
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def parse_img_list(json_str):
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if not json_str:
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return []
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try:
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if not json_str.startswith('['):
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return [json_str]
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return json.loads(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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# -------------------------------------------------------------
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# [核心逻辑] 动态计算状态
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# -------------------------------------------------------------
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qty_in = float(item.in_quantity or 0)
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qty_avail = float(item.available_quantity or 0)
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# 默认使用数据库字段
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current_status = item.status
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# 如果有入库量，但可用量为0，说明已经全部出库
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if qty_in > 0 and qty_avail <= 0:
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current_status = '出库'
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# 获取聚合数据
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mat_name = item.material.name if item.material else '未知物料'
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mat_spec = item.material.spec_model if item.material else ''
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mat_cat = item.material.category if item.material else ''
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mat_unit = item.material.unit if item.material else ''
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mat_type = item.material.material_type if item.material else ''
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stats = stock_map.get(item.base_id, {'total_stock': 0, 'total_avail': 0})
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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': mat_name,
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'spec_model': mat_spec,
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'category': mat_cat,
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'unit': mat_unit,
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'material_type': mat_type,
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'sku': item.sku,
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'inbound_date': str(item.in_date) if item.in_date else '',
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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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# 使用动态计算的状态
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'status': current_status,
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'inspection_status': item.inspection_status,
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'qty_inbound': qty_in,
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'qty_stock': float(item.stock_quantity or 0),
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'qty_available': qty_avail,
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'sum_stock': stats['total_stock'],
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'sum_available': stats['total_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_list(item.arrival_photo),
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'inspection_report': parse_img_list(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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print(f"List Error: {e}")
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traceback.print_exc()
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return {"total": 0, "items": []} |