初始化项目
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zwf
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# coding: utf-8
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import datetime
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from typing import Union
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import pandas as pd
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from sqlalchemy import select, delete
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from tornado_swagger.model import register_swagger_model
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from wtforms import StringField, IntegerField
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from wtforms.validators import Length
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from models.common_model import CommonModel
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from models.db_models import TD3iGovsOrderAttachment
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from paste.core.logging import echo_log
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from paste.rbac.rbac_user import RbacUser
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from paste.web.form import ModelForm
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class GovsOrderAttachmentForm(ModelForm):
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"""工单附件表单验证类"""
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id = IntegerField('附件唯一ID')
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master_id = IntegerField('关联工单主表ID')
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order_id = StringField('工单编号', validators=[Length(max=50)])
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file_path = StringField('文件路径（内网地址）', validators=[Length(max=500)])
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out_file_path = StringField('外网文件路径', validators=[Length(max=500)])
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attach_name = StringField('附件名称', validators=[Length(max=200)])
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to_tenant_id = StringField('目标租户ID', validators=[Length(max=50)])
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create_date = StringField('记录创建时间')
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def process(self, formdata=None, obj=None, **kwargs):
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if formdata:
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for name, values in formdata.items():
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if isinstance(values, list) and values:
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formdata[name] = [v.strip() if isinstance(v, str) else v for v in values]
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elif isinstance(values, str):
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formdata[name] = values.strip()
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super().process(formdata, obj, **kwargs)
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class GovsOrderAttachmentBase(TD3iGovsOrderAttachment, CommonModel):
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"""工单附件业务基类"""
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FieldMapping = {
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# ==================== 主键与关联 ====================
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'id': 'id', # 附件唯一ID
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# ==================== 文件信息 ====================
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'file_path': 'filePath', # 文件路径（内网地址）
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'out_file_path': 'outFilePath', # 外网文件路径
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'attach_name': 'attachName', # 附件名称
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'to_tenant_id': 'toTenantId', # 目标租户ID
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}
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@classmethod
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async def find_by_order_id(cls, order_id: str):
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"""根据工单编号查找附件"""
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_query = select(cls).where(cls.order_id == order_id)
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return (await cls.orm_execute_scalars(_query)).all()
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@classmethod
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async def find_by_master_id(cls, master_id: Union[str, int]):
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"""根据主工单ID查找附件"""
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_query = select(cls).where(cls.master_id == master_id)
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return (await cls.orm_execute_scalars(_query)).all()
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@classmethod
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async def find_by_attach_name(cls, attach_name: str):
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"""根据附件名称查找"""
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_query = select(cls).where(cls.attach_name == attach_name)
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return (await cls.orm_execute_scalars(_query)).all()
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@classmethod
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async def exists_order_id(cls, data_df: pd.DataFrame):
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"""根据 order_id 判断数据是否存在
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:param data_df: 输入的数据框架，必须包含 id 和 order_id 列
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:return: (exists_df: pd.DataFrame, latest_df: pd.DataFrame)
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- exists_df: 在数据库中存在的记录（附带数据库中的 id）
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- latest_df: 在数据库中不存在的记录
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"""
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if data_df.empty:
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return pd.DataFrame(), pd.DataFrame()
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# 获取待查询的 (id, order_id) 组合
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pairs = data_df[[cls.id.key, cls.order_id.key]].drop_duplicates().values.tolist()
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if not pairs:
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return pd.DataFrame(), data_df.copy()
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# 查询数据库中已存在的记录（使用 IN 批量查询）
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_query = select(cls.id, cls.order_id).where(
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(cls.id.in_([p[0] for p in pairs])) &
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(cls.order_id.in_([p[1] for p in pairs]))
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)
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exists_db_df = await cls.query_as_df(_query)
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if exists_db_df.empty:
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return pd.DataFrame(), data_df.copy()
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exists_db_df[cls.id.key] = exists_db_df[cls.id.key].astype(str)
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exists_db_df[cls.order_id.key] = exists_db_df[cls.order_id.key].astype(str)
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# 构建 (id, order_id) -> id 的映射（用于快速查找）
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key_to_id_map = dict(zip(
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zip(exists_db_df[cls.id.key], exists_db_df[cls.order_id.key]),
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exists_db_df[cls.id.key]
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))
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# 标记 data_df 中哪些行在数据库中存在
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mask_exists = data_df.apply(
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lambda row: (row[cls.id.key], row[cls.order_id.key]) in key_to_id_map,
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axis=1
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)
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# 提取存在的记录，并补充数据库中的 id（虽然输入中已有 id，但为一致性保留）
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exists_df = data_df[mask_exists].copy()
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exists_df[cls.id.key] = exists_df.apply(
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lambda row: key_to_id_map[(row[cls.id.key], row[cls.order_id.key])],
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axis=1
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)
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# 提取不存在的记录
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latest_df = data_df[~mask_exists].copy()
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return exists_df, latest_df
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@register_swagger_model
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class GovsOrderAttachment(GovsOrderAttachmentBase):
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"""工单附件业务类"""
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@classmethod
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async def create(cls, user: RbacUser = None, **kwargs):
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"""创建附件记录"""
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for _k, _v in kwargs.items():
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if isinstance(_v, str):
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kwargs[_k] = _v.strip()
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_form = GovsOrderAttachmentForm(formdata=kwargs)
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_form.validate_form()
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# 检查是否已存在（根据 id）
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_existing = await cls.async_find_by_id(_form.id.data)
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if _existing:
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# 更新已有记录
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_existing.copy_from_dict(_form.data, skip_none=True)
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if user:
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_existing.updated_by = user.username
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await _existing.async_save()
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return _existing
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_obj = cls().copy_from_dict(_form.data, skip_none=True)
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if user:
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_obj.created_by = user.username
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_obj.updated_by = user.username
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await _obj.async_save()
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return _obj
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@classmethod
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async def delete(cls, obj_id: Union[str, int]):
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"""删除附件记录"""
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_obj: cls = await cls.async_find_by_id(obj_id)
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assert _obj, f"根据 ID {obj_id} 未找到附件记录。"
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_del_query = delete(cls).where(cls.id == _obj.id)
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await cls.raw_execute(_del_query)
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echo_log(f'已删除附件记录（order_id：{_obj.order_id}，ID：{_obj.id}）.')
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return _obj
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@classmethod
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async def modify(cls, obj_id: Union[str, int], user: RbacUser = None, **kwargs):
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"""修改附件记录"""
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for _k, _v in kwargs.items():
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if isinstance(_v, str):
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kwargs[_k] = _v.strip()
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_form = GovsOrderAttachmentForm(formdata=kwargs)
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_form.validate_form()
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_obj: cls = await cls.async_find_by_id(obj_id)
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assert _obj, f'查无此附件记录。'
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_obj.copy_from_dict(_form.data, skip_none=True)
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if user:
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_obj.updated_by = user.username
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await _obj.async_save()
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return _obj
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@classmethod
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async def create_batch(cls, data_df: pd.DataFrame, user: RbacUser = None):
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"""批量创建附件记录"""
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if data_df.empty:
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return 0
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if user:
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data_df['created_by'] = user.username
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data_df['updated_by'] = user.username
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records = data_df.to_dict('records')
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objs = [cls().copy_from_dict(record, skip_none=True) for record in records]
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session = cls.get_aio_session()
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try:
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session.add_all(objs)
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await session.commit()
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except Exception as e:
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await session.rollback()
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raise e
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finally:
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await session.close()
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echo_log(f"批量创建成功：创建 {len(objs)} 条附件记录。")
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return len(objs)
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@classmethod
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async def modify_batch(cls, data_df: pd.DataFrame, user: RbacUser = None):
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"""批量修改附件记录"""
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if data_df.empty:
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return 0
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if 'id' not in data_df.columns:
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echo_log(f"错误：modify_batch 要求输入数据必须包含 '{cls.id.key}' 列")
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return 0
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data_df['updated_at'] = datetime.datetime.now()
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if user:
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data_df['updated_by'] = user.username
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update_data = data_df.to_dict('records')
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session = cls.get_aio_session()
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try:
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await session.run_sync(
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lambda sync_session: sync_session.bulk_update_mappings(cls, update_data)
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)
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await session.commit()
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updated_count = len(update_data)
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except Exception as e:
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await session.rollback()
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raise e
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finally:
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await session.close()
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echo_log(f"批量修改成功：更新 {updated_count} 条附件记录。")
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return updated_count
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@classmethod
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async def save_batch(cls, data_df: pd.DataFrame, user: RbacUser = None):
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"""批量保存数据，自动处理新建和更新"""
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_exists_df, _latest_df = await cls.exists_order_id(data_df)
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_created_count = await cls.create_batch(_latest_df, user)
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_updated_count = await cls.modify_batch(_exists_df, user)
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return _created_count, _updated_count
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@classmethod
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async def create_or_update_by_id(cls, user: RbacUser = None, **kwargs):
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"""根据 id 创建或更新附件记录"""
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for _k, _v in kwargs.items():
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if isinstance(_v, str):
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kwargs[_k] = _v.strip()
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_form = GovsOrderAttachmentForm(formdata=kwargs)
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_form.validate_form()
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_existing = await cls.async_find_by_id(_form.id.data)
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if _existing:
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_existing.copy_from_dict(_form.data, skip_none=True)
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if user:
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_existing.updated_by = user.username
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await _existing.async_save()
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return _existing
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_obj = cls().copy_from_dict(_form.data, skip_none=True)
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if user:
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_obj.created_by = user.username
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_obj.updated_by = user.username
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await _obj.async_save()
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return _obj
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@classmethod
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async def delete_by_master_id(cls, master_id: Union[str, int]):
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"""根据主工单ID删除附件记录"""
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attachments = await cls.find_by_master_id(master_id)
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if attachments:
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for att in attachments:
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await cls.delete(att.id)
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return attachments
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@classmethod
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async def delete_by_order_id(cls, order_id: str):
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"""根据工单编号删除附件记录"""
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attachments = await cls.find_by_order_id(order_id)
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if attachments:
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for att in attachments:
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await cls.delete(att.id)
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return attachments
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