463 lines
15 KiB
Python
463 lines
15 KiB
Python
from flask import Blueprint, jsonify, request
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from app.extensions import db
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# ★★★ 修复点：必须引入 datetime，否则下方更新时间时会报错 500 ★★★
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from datetime import datetime
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from app.utils.decorators import permission_required
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import uuid as uuid_module
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# 导入模型
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from app.models.inbound.buy import StockBuy
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from app.models.inbound.stocktake import StocktakeDraft
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from app.models.transaction import TransBorrow
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def _normalize_user_id(user_id):
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"""规范化 user_id，确保是有效字符串"""
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if not user_id or not isinstance(user_id, str) or len(user_id) > 100:
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return 'admin'
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return user_id.strip()
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# 尝试导入半成品和成品
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try:
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from app.models.inbound.semi import StockSemi
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except ImportError:
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StockSemi = None
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try:
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from app.models.inbound.product import StockProduct
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except ImportError:
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StockProduct = None
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from app.services.print.network_print_service import NetworkPrintService
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bp = Blueprint('stock_ops', __name__)
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# ============================================================
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# 辅助函数：获取库存记录
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# ============================================================
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def get_stock_record(source_table, stock_id):
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"""根据库存类型和ID获取库存记录"""
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if source_table == 'stock_buy' and StockBuy:
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return StockBuy.query.get(stock_id)
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elif source_table == 'stock_semi' and StockSemi:
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return StockSemi.query.get(stock_id)
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elif source_table == 'stock_product' and StockProduct:
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return StockProduct.query.get(stock_id)
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return None
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def get_stock_info(uuid_or_barcode):
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"""
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根据 uuid 或 barcode 查询库存信息
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返回: (item, source_table, stock_id)
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"""
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# 1. 成品
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if StockProduct:
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item = StockProduct.query.filter(
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db.or_(StockProduct.barcode == uuid_or_barcode, StockProduct.sku == uuid_or_barcode)
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).first()
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if item:
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return (item, 'stock_product', item.id)
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# 2. 半成品
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if StockSemi:
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item = StockSemi.query.filter(
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db.or_(StockSemi.barcode == uuid_or_barcode, StockSemi.sku == uuid_or_barcode)
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).first()
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if item:
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return (item, 'stock_semi', item.id)
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# 3. 采购件
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if StockBuy:
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item = StockBuy.query.filter(
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db.or_(StockBuy.barcode == uuid_or_barcode, StockBuy.sku == uuid_or_barcode)
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).first()
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if item:
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return (item, 'stock_buy', item.id)
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return (None, None, None)
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@bp.route('/all', methods=['GET'])
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@permission_required('inventory_stocktake')
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def get_all_stock():
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"""
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获取所有库存 > 0 的物品
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"""
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try:
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# 1. 采购件
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materials = []
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if StockBuy:
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materials = StockBuy.query.filter(StockBuy.stock_quantity > 0).all()
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# 2. 半成品
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semis = []
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if StockSemi:
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try:
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semis = StockSemi.query.filter(StockSemi.stock_quantity > 0).all()
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except Exception:
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semis = []
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# 3. 成品
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products = []
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if StockProduct:
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try:
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products = StockProduct.query.filter(StockProduct.stock_quantity > 0).all()
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except Exception:
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products = []
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return jsonify({
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"materials": [item.to_dict() for item in materials],
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"semis": [item.to_dict() for item in semis],
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"products": [item.to_dict() for item in products]
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}), 200
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except Exception as e:
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print(f"Error: {e}")
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return jsonify({"message": f"查询库存失败: {str(e)}"}), 500
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# --- 草稿箱接口 ---
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@bp.route('/draft/list', methods=['GET'])
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@permission_required('inventory_stocktake')
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def get_drafts():
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"""
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获取当前用户的盘点进度
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支持过滤: session_id
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"""
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session_id = request.args.get('session_id')
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query = StocktakeDraft.query
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if session_id:
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query = query.filter_by(session_id=session_id)
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drafts = query.order_by(StocktakeDraft.scan_time.desc()).all()
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return jsonify([d.to_dict() for d in drafts]), 200
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@bp.route('/draft/add', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def add_draft():
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"""
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扫码同步 (支持更新数量)
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如果 session_id 不存在则创建新的会话
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"""
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try:
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data = request.json
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user_id = _normalize_user_id(data.get('user_id', 'admin'))
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uuid = data.get('uuid')
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quantity = float(data.get('quantity', 1))
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session_id = data.get('session_id')
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if not uuid:
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return jsonify({"message": "UUID不能为空"}), 400
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# 如果没有 session_id，创建新的
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if not session_id:
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session_id = f"STK-{datetime.now().strftime('%Y%m%d%H%M%S')}-{uuid_module.uuid4().hex[:6]}"
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# 获取库存信息
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item, source_table, stock_id = get_stock_info(uuid)
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if not item:
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return jsonify({"message": "未找到对应的库存记录"}), 404
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stock_qty = float(item.stock_quantity) if item.stock_quantity else 0
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# 查找是否已存在
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draft = StocktakeDraft.query.filter_by(user_id=user_id, uuid=uuid, session_id=session_id).first()
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if draft:
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# 如果已存在，更新数量和时间
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draft.quantity = quantity
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draft.scan_time = datetime.now()
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draft.stock_qty = stock_qty
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draft.diff_qty = quantity - stock_qty
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draft.source_table = source_table
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draft.stock_id = stock_id
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else:
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# 如果不存在，创建新的
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draft = StocktakeDraft(
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user_id=user_id,
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uuid=uuid,
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quantity=quantity,
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session_id=session_id,
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stock_qty=stock_qty,
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diff_qty=quantity - stock_qty,
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source_table=source_table,
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stock_id=stock_id
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)
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db.session.add(draft)
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db.session.commit()
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return jsonify({
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"message": "Saved",
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"session_id": session_id,
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"draft_id": draft.id
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}), 200
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except Exception as e:
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print(f"Add Draft Error: {e}")
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db.session.rollback()
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return jsonify({"message": str(e)}), 500
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@bp.route('/draft/clear', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def clear_draft():
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"""
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清除盘点草稿
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支持清除指定 session_id 的记录，或清除所有记录
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"""
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data = request.json
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session_id = data.get('session_id')
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try:
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query = StocktakeDraft.query
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if session_id:
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# 清除指定会话
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query = query.filter_by(session_id=session_id)
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count = query.delete()
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db.session.commit()
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return jsonify({"message": f"已清除 {count} 条记录", "count": count}), 200
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except Exception as e:
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db.session.rollback()
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return jsonify({"message": str(e)}), 500
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@bp.route('/draft/start-new', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def start_new_session():
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"""
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开始新一轮盘点
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清空整张草稿表，返回新的 session_id
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"""
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try:
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# 清空整张草稿表
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deleted_count = StocktakeDraft.query.delete()
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db.session.commit()
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# 生成新的 session_id
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new_session_id = f"STK-{datetime.now().strftime('%Y%m%d%H%M%S')}-{uuid_module.uuid4().hex[:6]}"
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return jsonify({
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"message": f"已清除 {deleted_count} 条旧记录",
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"session_id": new_session_id,
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"cleared_count": deleted_count
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}), 200
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except Exception as e:
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db.session.rollback()
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return jsonify({"message": str(e)}), 500
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# --- 盘点结束与差异报告 ---
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@bp.route('/finish', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def finish_stocktake():
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"""
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结束盘点
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直接返回成功，前端会跳转到差异列表
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草稿数据保留在表中
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"""
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return jsonify({
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"message": "盘点已结束",
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"code": 200
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}), 200
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@bp.route('/variance-report', methods=['GET'])
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@permission_required('inventory_stocktake')
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def get_variance_report():
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"""
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获取盘点差异报告
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返回所有有差异的记录（diff_qty != 0）
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"""
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session_id = request.args.get('session_id')
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try:
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query = StocktakeDraft.query
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if session_id:
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query = query.filter_by(session_id=session_id)
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# 只返回有差异的记录
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drafts = query.filter(StocktakeDraft.diff_qty != 0).order_by(
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StocktakeDraft.scan_time.desc(),
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StocktakeDraft.diff_qty.desc()
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).all()
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# 补充库存详情
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result = []
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for draft in drafts:
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draft_dict = draft.to_dict()
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# 获取库存详情
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if draft.stock_id and draft.source_table:
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stock = get_stock_record(draft.source_table, draft.stock_id)
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if stock:
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draft_dict['stock_name'] = getattr(stock, 'material_name', None) or \
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getattr(stock, 'product_name', None) or ''
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draft_dict['stock_spec'] = getattr(stock, 'spec_model', '') or \
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getattr(stock, 'standard', '') or ''
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draft_dict['stock_location'] = getattr(stock, 'warehouse_location', '') or ''
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draft_dict['stock_unit'] = getattr(stock, 'unit', '个')
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result.append(draft_dict)
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return jsonify({
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"list": result,
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"total": len(result)
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}), 200
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except Exception as e:
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print(f"Error: {e}")
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return jsonify({"message": str(e)}), 500
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# --- 单条库存调整 (手动平账) ---
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@bp.route('/adjust', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def adjust_stock():
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"""
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单条库存调整接口
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接收指定的草稿 ID，执行以下操作：
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1. 根据 diff_qty 调整库存 (stock_quantity 和 available_quantity)
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2. 生成流水账记录 (盘盈入库 / 盘亏出库)
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3. 标记草稿为 is_processed=True
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"""
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data = request.json
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draft_id = data.get('draft_id')
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operator_name = data.get('operator_name', 'System')
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remark = data.get('remark', '')
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if not draft_id:
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return jsonify({"message": "draft_id 不能为空"}), 400
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try:
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# 1. 获取草稿记录
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draft = StocktakeDraft.query.get(draft_id)
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if not draft:
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return jsonify({"message": "草稿记录不存在"}), 404
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# 2. 获取库存记录
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if not draft.stock_id or not draft.source_table:
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return jsonify({"message": "草稿记录缺少库存关联信息"}), 400
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stock = get_stock_record(draft.source_table, draft.stock_id)
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if not stock:
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return jsonify({"message": "库存记录不存在"}), 404
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diff_qty = float(draft.diff_qty)
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# 3. 计算调整
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if diff_qty > 0:
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# 盘盈：增加库存
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new_stock_qty = float(stock.stock_quantity or 0) + diff_qty
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new_avail_qty = float(stock.available_quantity or 0) + diff_qty
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action_type = '盘盈入库'
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elif diff_qty < 0:
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# 盘亏：减少库存
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abs_diff = abs(diff_qty)
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current_avail = float(stock.available_quantity or 0)
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if current_avail < abs_diff:
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return jsonify({
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"message": f"可用库存不足，当前可用: {current_avail}，需要减少: {abs_diff}"
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}), 400
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new_stock_qty = float(stock.stock_quantity or 0) - abs_diff
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new_avail_qty = current_avail - abs_diff
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action_type = '盘亏出库'
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else:
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return jsonify({"message": "差异为0，无需调整"}), 400
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# 4. 执行库存调整
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stock.stock_quantity = new_stock_qty
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stock.available_quantity = new_avail_qty
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# 5. 生成流水账记录
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# 导入流水账模型
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from app.models.outbound import TransOutbound
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trans_record = TransOutbound(
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outbound_no=f"STKADJ-{datetime.now().strftime('%Y%m%d%H%M%S')}-{draft.id:04d}",
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sku=stock.sku,
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source_table=draft.source_table,
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stock_id=draft.stock_id,
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barcode=getattr(stock, 'barcode', ''),
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quantity=abs(diff_qty),
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unit_price=getattr(stock, 'pre_tax_unit_price', 0) or getattr(stock, 'manual_cost', 0) or 0,
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outbound_type=action_type, # 盘盈入库 / 盘亏出库
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consumer_name='盘点调整',
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operator_name=operator_name,
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remark=f"{action_type} - 盘点差异调整，备注: {remark}",
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outbound_time=datetime.now()
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)
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db.session.add(trans_record)
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# 6. 删除草稿记录（平账后从工作台移除）
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db.session.delete(draft)
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db.session.commit()
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return jsonify({
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"message": f"{action_type}成功",
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"action_type": action_type,
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"diff_qty": diff_qty,
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"new_stock_qty": new_stock_qty,
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"new_avail_qty": new_avail_qty,
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"draft_id": draft_id
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}), 200
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except Exception as e:
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db.session.rollback()
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print(f"Adjust Stock Error: {e}")
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return jsonify({"message": str(e)}), 500
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@bp.route('/borrowed-quantities', methods=['POST'])
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@permission_required('inventory_stocktake')
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def get_borrowed_quantities():
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"""批量获取借出未还数量"""
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data = request.json.get('items', [])
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result = {}
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for item in data:
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source = item.get('source_table')
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stock_id = item.get('stock_id')
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if source and stock_id is not None:
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qty = TransBorrow.get_borrowed_quantity(source, stock_id)
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result[f"{source}_{stock_id}"] = qty
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return jsonify(result), 200
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# --- 打印接口 ---
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@bp.route('/print/selection', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def print_selection():
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try:
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data = request.json
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items = data.get('items', [])
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if not items: return jsonify({"message": "未选择任何物品"}), 400
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printer = NetworkPrintService()
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success, msg = printer.print_outbound_selection(items)
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return jsonify({"message": "打印指令已发送" if success else msg}), 200 if success else 500
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except Exception as e:
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return jsonify({"message": str(e)}), 500
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@bp.route('/print/stocktake', methods=['POST'])
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@permission_required('inventory_stocktake:operation')
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def print_stocktake():
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try:
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data = request.json
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printer = NetworkPrintService()
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success, msg = printer.print_stocktake_report(data)
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return jsonify({"message": "盘点报告已发送" if success else msg}), 200 if success else 500
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except Exception as e:
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return jsonify({"message": str(e)}), 500
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