86 lines
3.8 KiB
Python
86 lines
3.8 KiB
Python
import json
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from app.extensions import db, beijing_time
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from datetime import datetime
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class PurchaseRequest(db.Model):
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"""
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采购申请表
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"""
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__tablename__ = 'purchase_request'
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id = db.Column(db.Integer, primary_key=True)
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request_no = db.Column(db.String(100), unique=True, nullable=False, index=True)
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name = db.Column(db.String(255), nullable=False, comment='采购名称')
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spec_model = db.Column(db.String(255), comment='规格型号')
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quantity = db.Column(db.Numeric(19, 4), nullable=False, comment='采购数量')
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purchase_date = db.Column(db.Date, nullable=False, comment='采购时间')
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supplier_link = db.Column(db.String(500), comment='商家地址链接')
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remark = db.Column(db.Text, comment='备注信息')
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images = db.Column(db.Text, comment='图片列表JSON')
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unit_price = db.Column(db.Numeric(19, 4), default=0, comment='单价')
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total_price = db.Column(db.Numeric(19, 4), default=0, comment='总价')
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status = db.Column(db.Integer, default=0, nullable=False)
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requester_id = db.Column(db.Integer, nullable=False, index=True)
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approver_id = db.Column(db.Integer, index=True)
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approved_at = db.Column(db.DateTime)
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reject_reason = db.Column(db.Text)
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created_at = db.Column(db.DateTime, default=beijing_time, nullable=False)
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updated_at = db.Column(db.DateTime, default=beijing_time, onupdate=beijing_time, nullable=False)
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def _safe_parse_json(self, value):
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if value is None:
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return []
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if isinstance(value, (list, dict)):
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return value
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if isinstance(value, str):
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val = value.strip()
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if not val:
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return []
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try:
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parsed = json.loads(val)
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return parsed if isinstance(parsed, list) else []
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except Exception:
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return []
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return []
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def get_images(self):
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return self._safe_parse_json(self.images)
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def set_images(self, image_list):
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self.images = json.dumps(image_list, ensure_ascii=False) if image_list else '[]'
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def _get_user_name(self, user_id):
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if not user_id:
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return ""
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from app.models.system import SysUser
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try:
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user = db.session.get(SysUser, user_id)
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return user.username if user else f"未知用户({user_id})"
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except Exception:
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return f"用户({user_id})"
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def to_dict(self):
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return {
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'id': self.id,
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'request_no': self.request_no,
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'name': self.name,
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'spec_model': self.spec_model or '',
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'quantity': float(self.quantity) if self.quantity else 0,
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'purchase_date': self.purchase_date.strftime('%Y-%m-%d') if self.purchase_date else None,
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'supplier_link': self.supplier_link or '',
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'remark': self.remark or '',
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'images': self.get_images(),
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'unit_price': float(self.unit_price) if self.unit_price else 0,
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'total_price': float(self.total_price) if self.total_price else 0,
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'status': self.status,
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'status_text': ['待审批', '已通过', '已驳回', '已完成'][self.status] if self.status in [0, 1, 2, 3] else '未知',
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'requester_id': self.requester_id,
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'requester_name': self._get_user_name(self.requester_id),
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'approver_id': self.approver_id,
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'approver_name': self._get_user_name(self.approver_id) if self.approver_id else None,
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'approved_at': self.approved_at.strftime('%Y-%m-%d %H:%M:%S') if self.approved_at else None,
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'reject_reason': self.reject_reason or '',
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'created_at': self.created_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else None,
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'updated_at': self.updated_at.strftime('%Y-%m-%d %H:%M:%S') if self.updated_at else None,
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} |