# app/services/inbound/product_service.py from app.extensions import db from app.models.base import MaterialBase from app.models.outbound import TransOutbound from datetime import datetime, timedelta, timezone from sqlalchemy import or_, func, text, and_ import traceback import json class ProductInboundService: # ============================================================ # 0. 辅助：唯一性校验 (新增核心逻辑) # ============================================================ @staticmethod def _check_unique(serial_number, exclude_id=None): """ 校验成品的唯一性 :param serial_number: 序列号 :param exclude_id: 排除的ID (编辑模式用) """ from app.models.inbound.product import StockProduct # 成品强校验序列号 (SN) - SN应该是全局唯一的 if serial_number: query = StockProduct.query.filter(StockProduct.serial_number == serial_number) if exclude_id: query = query.filter(StockProduct.id != exclude_id) exists = query.first() if exists: # [修改] material -> base occupied_name = exists.base.name if (hasattr(exists, 'base') and exists.base) else "未知物料" raise ValueError(f"序列号【{serial_number}】已存在！被成品 [{occupied_name}] 占用，请核查。") # ============================================================ # 1. 基础物料搜索 # ============================================================ @staticmethod def search_base_material(keyword): try: # [核心修改] 只查询已启用的物料 query = MaterialBase.query.filter(MaterialBase.is_enabled == True) # 2. 动态条件：如果传入了关键词，则增加模糊匹配条件 if keyword: query = query.filter( or_( MaterialBase.name.ilike(f'%{keyword}%'), MaterialBase.spec_model.ilike(f'%{keyword}%') ) ) # 3. 排序与限制：按ID倒序，取最新20条 query = query.order_by(MaterialBase.id.desc()).limit(20) # 4. 结果封装 results = [] for item in query.all(): results.append({ 'id': item.id, 'name': item.name, 'spec': item.spec_model, 'category': item.category, 'unit': item.unit, 'type': item.material_type, 'status': '启用' }) return results except Exception: traceback.print_exc() return [] # ============================================================ # 2. 新增入库逻辑 (强制北京时间 + 唯一性校验) # ============================================================ @staticmethod def handle_inbound(data): from app.models.inbound.product import StockProduct try: base_id = data.get('base_id') if not base_id: raise ValueError("必须选择基础物料") material = MaterialBase.query.get(base_id) if not material: raise ValueError("物料不存在") # [核心修改] 后端二次校验：如果物料已停用，禁止入库 if not material.is_enabled: raise ValueError(f"物料【{material.name}】已停用，无法办理新入库。") # --- [核心修改] 执行唯一性校验 --- ProductInboundService._check_unique( serial_number=data.get('serial_number') ) # [核心修改] 强制北京时间 beijing_tz = timezone(timedelta(hours=8)) current_time = datetime.now(beijing_tz).replace(tzinfo=None) in_date_val = current_time if data.get('in_date'): try: date_str = str(data['in_date']) if len(date_str) > 10: in_date_val = datetime.strptime(date_str, '%Y-%m-%d %H:%M:%S') else: d_temp = datetime.strptime(date_str, '%Y-%m-%d') in_date_val = datetime(d_temp.year, d_temp.month, d_temp.day, current_time.hour, current_time.minute, current_time.second) except: in_date_val = current_time in_qty = float(data.get('in_quantity') or 0) p_start = data.get('production_start_time', '') p_end = data.get('production_end_time', '') time_range = f"{p_start} ~ {p_end}" if p_start or p_end else None # 全局流水号 try: seq_sql = text("SELECT nextval('global_print_seq')") result = db.session.execute(seq_sql) next_global_id = result.scalar() except: next_global_id = None generated_sku = str(next_global_id).zfill(10) if next_global_id else datetime.now().strftime('%Y%m%d%H%M%S') final_barcode = data.get('barcode') or generated_sku photo_list = data.get('product_photo', []) quality_list = data.get('quality_report_link', []) inspection_list = data.get('inspection_report_link', []) if not isinstance(photo_list, list): photo_list = [] if not isinstance(quality_list, list): quality_list = [] if not isinstance(inspection_list, list): inspection_list = [] new_stock = StockProduct( base_id=material.id, global_print_id=next_global_id, sku=generated_sku, production_date=in_date_val, # 存入 DateTime barcode=final_barcode, serial_number=data.get('serial_number'), status=data.get('status', '在库'), warehouse_location=data.get('warehouse_location'), in_quantity=in_qty, stock_quantity=in_qty, available_quantity=in_qty, bom_code=data.get('bom_code'), bom_version=data.get('bom_version'), work_order_code=data.get('work_order_code'), production_manager=data.get('production_manager'), production_time_range=time_range, raw_material_cost=float(data.get('raw_material_cost') or 0), manual_cost=float(data.get('manual_cost') or 0), quality_status=data.get('quality_status', '合格'), product_photo=json.dumps(photo_list), quality_report_link=json.dumps(quality_list), inspection_report_link=json.dumps(inspection_list), detail_link=data.get('detail_link'), remark=data.get('remark'), sale_price=float(data.get('sale_price') or 0), order_id=data.get('order_id') ) db.session.add(new_stock) db.session.commit() return new_stock except Exception as e: db.session.rollback() raise e # ============================================================ # 3. 更新逻辑 # ============================================================ @staticmethod def update_inbound(stock_id, data): from app.models.inbound.product import StockProduct try: stock = StockProduct.query.get(stock_id) if not stock: raise ValueError("记录不存在") # --- [核心修改] 编辑时也要校验唯一性 --- if 'serial_number' in data: ProductInboundService._check_unique( serial_number=data['serial_number'], exclude_id=stock_id ) fields = [ 'barcode', 'serial_number', 'warehouse_location', 'status', 'quality_status', 'bom_code', 'bom_version', 'work_order_code', 'production_manager', 'detail_link', 'order_id', 'remark' ] for f in fields: if f in data: setattr(stock, f, data[f]) if 'product_photo' in data: imgs = data['product_photo'] if isinstance(imgs, list): stock.product_photo = json.dumps(imgs) if 'quality_report_link' in data: imgs = data['quality_report_link'] if isinstance(imgs, list): stock.quality_report_link = json.dumps(imgs) if 'inspection_report_link' in data: imgs = data['inspection_report_link'] if isinstance(imgs, list): stock.inspection_report_link = json.dumps(imgs) if 'sale_price' in data: stock.sale_price = float(data['sale_price']) if 'raw_material_cost' in data: stock.raw_material_cost = float(data['raw_material_cost']) if 'manual_cost' in data: stock.manual_cost = float(data['manual_cost']) if 'in_quantity' in data: new_qty = float(data['in_quantity']) diff = new_qty - float(stock.in_quantity) stock.in_quantity = new_qty stock.stock_quantity = float(stock.stock_quantity) + diff stock.available_quantity = float(stock.available_quantity) + diff if 'production_start_time' in data or 'production_end_time' in data: old_range = stock.production_time_range or " ~ " parts = old_range.split(' ~ ') old_start = parts[0] if len(parts) > 0 else '' old_end = parts[1] if len(parts) > 1 else '' start = data.get('production_start_time', old_start) end = data.get('production_end_time', old_end) stock.production_time_range = f"{start} ~ {end}" db.session.commit() return stock except Exception as e: db.session.rollback() raise e # ============================================================ # 4. 删除逻辑 # ============================================================ @staticmethod def delete_inbound(stock_id): from app.models.inbound.product import StockProduct try: stock = StockProduct.query.get(stock_id) if stock: db.session.delete(stock) db.session.commit() return True except Exception as e: db.session.rollback() raise e # ============================================================ # 5. 出库历史 # ============================================================ @staticmethod def get_outbound_history(stock_id): """获取出库历史""" try: records = TransOutbound.query.filter_by( source_table='stock_product', stock_id=stock_id ).order_by(TransOutbound.outbound_time.desc()).all() return [r.to_dict() for r in records] except: return [] # ============================================================ # 6. 获取列表 # ============================================================ @staticmethod def get_list(page, limit, keyword=None, statuses=None, category=None, material_type=None): from app.models.inbound.product import StockProduct try: query = db.session.query(StockProduct).outerjoin(MaterialBase, StockProduct.base_id == MaterialBase.id) if keyword: query = query.filter(or_( MaterialBase.name.ilike(f'%{keyword}%'), MaterialBase.spec_model.ilike(f'%{keyword}%'), StockProduct.serial_number.ilike(f'%{keyword}%'), StockProduct.work_order_code.ilike(f'%{keyword}%'), StockProduct.order_id.ilike(f'%{keyword}%'), StockProduct.sku.ilike(f'%{keyword}%') )) # 类别筛选 if category and category.strip(): query = query.filter(MaterialBase.category == category.strip()) # 类型筛选 if material_type and material_type.strip(): query = query.filter(MaterialBase.material_type == material_type.strip()) if not statuses: statuses = ['在库', '借库'] if '已出库' in statuses: query = query.filter(StockProduct.status.in_(statuses)) else: query = query.filter( and_( StockProduct.status.in_(statuses), StockProduct.stock_quantity > 0 ) ) # 按照 production_date (入库日期) 倒序排序 pagination = query.order_by(StockProduct.production_date.desc()).paginate(page=page, per_page=limit, error_out=False) current_items = pagination.items def parse_img(json_str): if not json_str: return [] try: return json.loads(json_str) if json_str.startswith('[') else [json_str] except: return [] items = [] for item in current_items: # [注意] 因为Model层已经修改了 to_dict 内部的 material -> base，所以这里直接调 to_dict 即可 d = item.to_dict() # 格式化日期 date_display = '' if item.production_date: try: date_display = item.production_date.strftime('%Y-%m-%d') except: date_display = str(item.production_date)[:10] d['inbound_date'] = date_display d['qty_stock'] = float(item.stock_quantity or 0) d['qty_available'] = float(item.available_quantity or 0) d['sum_stock'] = d['qty_stock'] d['sum_available'] = d['qty_available'] d['product_photo'] = parse_img(item.product_photo) d['quality_report_link'] = parse_img(item.quality_report_link) d['inspection_report_link'] = parse_img(item.inspection_report_link) d['global_print_id'] = item.global_print_id items.append(d) return {"total": pagination.total, "items": items} except: traceback.print_exc() return {"total": 0, "items": []} # ============================================================ # 7. 系统用户搜索 # ============================================================ @staticmethod def search_system_users(keyword): """搜索系统用户（活跃状态）""" from app.models.system import SysUser try: query = SysUser.query.filter(SysUser.status == 'active') if keyword: kw = f'%{keyword}%' query = query.filter(db.or_( SysUser.username.ilike(kw), SysUser.email.ilike(kw) )) query = query.order_by(SysUser.username) users = [] for u in query.limit(20).all(): users.append({ 'value': u.username, 'email': u.email }) return users except Exception: return [] # ============================================================ # 8. 获取筛选选项（类别、类型） # ============================================================ @staticmethod def get_filter_options(): try: from app.models.base import MaterialBase categories = db.session.query(MaterialBase.category) \ .filter(MaterialBase.category != None, MaterialBase.category != '') \ .distinct().all() types = db.session.query(MaterialBase.material_type) \ .filter(MaterialBase.material_type != None, MaterialBase.material_type != '') \ .distinct().all() return { "categories": [r[0] for r in categories], "types": [r[0] for r in types] } except Exception: import traceback traceback.print_exc() return {"categories": [], "types": []}