96 lines
3.8 KiB
Python
96 lines
3.8 KiB
Python
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from app.extensions import db, beijing_time
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from app.models.system import SysUser
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from datetime import datetime
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import json
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class BorrowApproval(db.Model):
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"""
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借库审批单模型
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用于管理借库申请的多级审批流程
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"""
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__tablename__ = 'borrow_approval'
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id = db.Column(db.Integer, primary_key=True)
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# 审批单号
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request_no = db.Column(db.String(100), unique=True, nullable=False, index=True)
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# 申请人ID
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applicant_id = db.Column(db.Integer, nullable=False, index=True)
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# 申请说明
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remark = db.Column(db.Text)
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# 状态: 0-待审批, 1-已通过, 2-已驳回, 3-已完成(已借出)
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status = db.Column(db.Integer, default=0, nullable=False)
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# 允许审批的人员列表 (JSON格式)
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allowed_approvers = db.Column(db.Text)
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# 实际审批人ID
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actual_approver_id = db.Column(db.Integer, index=True)
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# 审批时间
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approved_at = db.Column(db.DateTime)
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# 驳回原因
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reject_reason = db.Column(db.Text)
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# 借库人姓名（申请时填写，审批通过后流转至 TransBorrow）
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borrower_name = db.Column(db.String(100))
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# 明细快照 (存储借库物品的名称、规格、库位、数量等信息)
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items_json = db.Column(db.Text, nullable=False)
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# 创建时间和更新时间
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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 (json.JSONDecodeError, TypeError, ValueError):
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return []
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return []
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def get_items(self):
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return self._safe_parse_json(self.items_json)
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def set_items(self, items):
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self.items_json = json.dumps(items, ensure_ascii=False) if items else '[]'
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def get_allowed_approvers(self):
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return self._safe_parse_json(self.allowed_approvers)
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def set_allowed_approvers(self, approvers):
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self.allowed_approvers = json.dumps(approvers, ensure_ascii=False) if approvers else '[]'
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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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'applicant_id': self.applicant_id,
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'applicant_name': self._get_user_name(self.applicant_id),
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'remark': self.remark,
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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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'allowed_approvers': self.get_allowed_approvers(),
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'actual_approver_id': self.actual_approver_id,
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'approver_name': self._get_user_name(self.actual_approver_id) if self.actual_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,
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'borrower_name': self.borrower_name,
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'items': self.get_items(),
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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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}
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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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try:
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user = SysUser.query.get(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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