初始化项目
This commit is contained in:
zwf
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import random
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from typing import Union, Optional, Callable
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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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import models
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from models.common_model import CommonModel
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from models.db_models import TD3iDcmTaskFileUpload
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from paste.core.logging import echo_log
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from paste.util.pagination import Pagination
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from paste.web.form import ModelForm
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class DcmTaskFileUploadForm(ModelForm):
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"""
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文件上传关联表单验证类（完全映射 TD3iDcmTaskFileUpload 字段）。
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用于验证和处理文件上传关联数据的表单。
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字段完全映射数据库表 t_d3i_dcm_task_file_upload 的字段结构。
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"""
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# 关联信息
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dcm_task_id = IntegerField('任务ID', validators=[Length(min=1, message='任务ID不能为空')])
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dcm_task_attachment_id = IntegerField('附件ID', validators=[Length(min=1, message='附件ID不能为空')])
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dcm_media_id = IntegerField('数字城管附件ID', validators=[Length(min=1, message='数字城管附件ID不能为空')])
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oa_media_id = IntegerField('OA附件ID', validators=[Length(min=1, message='OA附件ID不能为空')])
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# 文件信息
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file_hash = StringField('文件哈希值', validators=[Length(max=256, message='文件哈希值长度不能超过256字符')])
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# 状态与时间
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status = IntegerField('上传状态', validators=[Length(min=0, max=1, message='状态只能是0或1')])
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created_at = IntegerField('创建时间戳（毫秒）', validators=[Length(min=1, message='创建时间不能为空')])
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created_by = StringField('创建者', validators=[Length(max=64, message='创建者长度不能超过64字符')])
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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 DcmTaskFileUploadBase(TD3iDcmTaskFileUpload, CommonModel):
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"""
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文件上传关联基础类（完全映射 TD3iDcmTaskFileUpload 字段）。
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封装所有与文件上传关联相关的通用操作方法。
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"""
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FieldMapping = {
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'dcm_task_id': 'dcmTaskId',
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'dcm_task_attachment_id': 'dcmTaskAttachmentId',
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'dcm_media_id': 'dcmMediaId',
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'oa_media_id': 'oaMediaId',
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'file_hash': 'fileHash',
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'status': 'status',
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'created_at': 'createdAt',
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'created_by': 'createdBy',
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}
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"""
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文件上传关联数据映射
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"""
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@classmethod
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async def is_exist(cls, dcm_task_id: Union[str, int], dcm_task_attachment_id: Union[str, int]):
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"""
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检查是否已存在相同任务ID和附件ID的记录。
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"""
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_query = select(cls).where(
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cls.dcm_task_id == dcm_task_id, cls.dcm_task_attachment_id == dcm_task_attachment_id
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)
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_record: cls = await cls.query_first(_query)
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return _record
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@classmethod
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async def find_by_ids(cls, ids: list[Union[str, int]]):
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"""
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根据ID列表批量查找记录。
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"""
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_query = select(cls).where(cls.id.in_(ids))
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_records: list[cls] = (await cls.orm_execute_scalars(_query)).all()
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return _records
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@classmethod
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async def search_base(cls, is_paging=True, **kwargs):
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"""
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按参数搜索文件上传记录的基础方法。
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支持字段：
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- dcm_task_id, dcm_task_attachment_id, dcm_media_id, oa_media_id, status
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:param is_paging: 是否分页
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:param kwargs: 查询参数
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:key int page_number: 页码（缺省随机1~100）
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:key int page_size: 每页数量（缺省20）
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:key dict sort_clause: 排序配置，如 {'created_at': 'asc'}
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:key int dcm_task_id: 精确匹配任务ID
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:key int dcm_task_attachment_id: 精确匹配附件ID
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:key int dcm_media_id: 精确匹配数字城管附件ID
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:key int oa_media_id: 精确匹配OA附件ID
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:key int status: 精确匹配上传状态
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:return: (DataFrame, Pagination)
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"""
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page_number = kwargs.get('page_number', random.randint(1, 100))
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page_size = kwargs.get('page_size', 20)
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kwargs.update({'page_number': page_number, 'page_size': page_size})
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_query = select(cls).where(
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*cls.search_wheres(**kwargs)
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)
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_paging = None
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if is_paging:
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_row_count = await cls.query_count(_query)
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_paging = Pagination(_row_count).paging(page_number, page_size)
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_data_query = _query.limit(page_size).offset(_paging.offset_size)
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else:
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_data_query = _query.where()
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_sort_clause = cls.sort_clauses(kwargs.get('sort_clause', {}))
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if _sort_clause:
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_data_query = _data_query.order_by(*_sort_clause)
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else:
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_data_query = _data_query.order_by(cls.created_at)
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_df = await cls.query_as_df(_data_query)
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if not _df.empty:
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_df[cls.id.key] = _df[cls.id.key].astype(str)
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_df[cls.dcm_task_id.key] = _df[cls.dcm_task_id.key].astype(str)
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_df[cls.dcm_task_attachment_id.key] = _df[cls.dcm_task_attachment_id.key].astype(str)
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_df.replace(models.EmptyInDF + models.EmptyDatetimeInDF, '', inplace=True)
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return _df, _paging
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@classmethod
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async def search_by_attachment_ids(cls, attachment_ids: list[Union[str, int]]):
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query = select(
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cls.dcm_task_attachment_id, cls.oa_media_id, cls.updated_at
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).where(
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cls.dcm_task_attachment_id.in_(attachment_ids)
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)
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return await cls.query_as_df(query)
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@classmethod
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async def search(cls, **kwargs):
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"""
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按参数搜索文件上传记录，返回分页格式数据。
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"""
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_df, _paging = await cls.search_base(**kwargs)
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return {
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'total': _paging.row_count if _paging else len(_df),
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'rows': _df.to_dict('records'),
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'pagination': {
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'page_number': _paging.page_number if _paging else 1,
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'page_count': _paging.page_count if _paging else 1,
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'page_size': _paging.page_size if _paging else 20,
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},
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}
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@classmethod
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async def exists_relation(cls, data_df: pd.DataFrame):
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"""
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查找 data_df 中在数据库中已存在和不存在的记录。根据 dcm_task_id + dcm_task_attachment_id 判断。
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:param data_df: 输入的数据框架，必须包含 dcm_task_id 和 dcm_task_attachment_id 列
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:return: (exists_df: pd.DataFrame, latest_df: pd.DataFrame)
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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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pairs = data_df[[cls.dcm_task_id.key, cls.dcm_task_attachment_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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_query = select(cls.id, cls.dcm_task_id, cls.dcm_task_attachment_id).where(
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(cls.dcm_task_id.in_([p[0] for p in pairs])) &
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(cls.dcm_task_attachment_id.in_([p[1] for p in pairs]))
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)
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exists_df = await cls.query_as_df(_query)
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if exists_df.empty:
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return pd.DataFrame(), data_df.copy()
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key_to_id_map = dict(zip(zip(exists_df[cls.dcm_task_id.key], exists_df[cls.dcm_task_attachment_id.key]), exists_df[cls.id.key]))
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mask_exists = data_df.apply(lambda row: (row[cls.dcm_task_id.key], row[cls.dcm_task_attachment_id.key]) in key_to_id_map, axis=1)
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exists_df = data_df[mask_exists].copy()
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exists_df[cls.id.key] = exists_df.apply(lambda row: key_to_id_map[(row[cls.dcm_task_id.key], row[cls.dcm_task_attachment_id.key])], axis=1)
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latest_df = data_df[~mask_exists].copy()
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return exists_df, latest_df
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@classmethod
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async def fill_file_upload(cls, data_df: pd.DataFrame, index_field: str = 'dcm_task_attachment_id',
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column_name: str = 'file_uploads',
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preprocessing: Optional[Callable] = None):
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"""
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填充文件上传数据到数据框架。
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:param pandas.DataFrame data_df: 待填充的数据框架
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:param str index_field: 索引字段，一般是任务ID
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:param str column_name: 填充时新增列名称，默认为`file_uploads`
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:param preprocessing: 预处理函数
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:return: 填充后的数据框架
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"""
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if data_df.empty:
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return pd.DataFrame()
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_task_attachment_ids = list(set(data_df[index_field].unique().tolist()))
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if not _task_attachment_ids:
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return pd.DataFrame()
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_query = select(cls).where(cls.dcm_task_attachment_id.in_(_task_attachment_ids))
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_upload_df: pd.DataFrame = await cls.query_as_df(_query)
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if not _upload_df.empty:
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_upload_df.replace(models.EmptyInDF+models.EmptyDatetimeInDF, '', inplace=True)
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_upload_df[cls.id.key] = _upload_df[cls.id.key].astype(str)
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_upload_df[cls.dcm_task_id.key] = _upload_df[cls.dcm_task_id.key].astype(str)
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_upload_df[cls.dcm_task_attachment_id.key] = _upload_df[cls.dcm_task_attachment_id.key].astype(str)
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_upload_df['index_id'] = _upload_df[cls.id.key]
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_upload_df.set_index(['index_id'], inplace=True)
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if isinstance(preprocessing, Callable):
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_upload_df = preprocessing(_upload_df)
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data_df[column_name] = data_df[index_field].apply(
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lambda x: next(iter(_upload_df.query(f"{cls.dcm_task_attachment_id.key}=='{x}'").to_dict('records')), {})
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)
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else:
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data_df[column_name] = [[] for _ in range(len(data_df))]
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return _upload_df
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@register_swagger_model
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class DcmTaskFileUpload(DcmTaskFileUploadBase):
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"""
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文件上传关联业务模型类（主业务类，完全继承 TD3iDcmTaskFileUpload 字段）。
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---
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description: 文件上传关联表
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type: object
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properties:
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id:
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description: 主键ID
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type: integer
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example: 1001
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readOnly: true
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dcm_task_id:
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description: 任务唯一标志
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type: integer
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example: 2001
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dcm_task_attachment_id:
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description: 附件ID（数字城管附件）
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type: integer
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example: 3001
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dcm_media_id:
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description: 附件ID（数字城管媒体）
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type: integer
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example: 3002
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oa_media_id:
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description: 附件ID（OA媒体）
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type: integer
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example: 3003
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file_hash:
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description: 文件哈希值
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type: string
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example: "a1b2c3d4e5..."
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maxLength: 256
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status:
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description: 上传状态（0:未上传/失败，1:成功）
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type: integer
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example: 1
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created_at:
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description: 创建时间，ISO格式的日期时间字符串
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type: string
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format: date-time
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example: "2024-01-15 10:30:00"
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readOnly: true
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created_by:
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description: 创建者用户名
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type: string
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example: "D3I"
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readOnly: true
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updated_at:
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description: 修改时间，ISO格式的日期时间字符串
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type: string
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format: date-time
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example: "2024-01-16 14:25:00"
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readOnly: true
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updated_by:
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description: 修改者用户名
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type: string
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example: "editor"
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readOnly: true
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"""
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@classmethod
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async def create(cls, **kwargs):
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"""
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创建新的文件上传关联记录。
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业务流程：
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1. 使用 DcmTaskFileUploadForm 验证表单数据
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2. 检查是否已存在相同任务ID和附件ID的记录
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3. 创建新对象，设置创建者
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4. 保存到数据库
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5. 返回创建对象
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:param kwargs: 附件参数字典
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:return: 新建的文件上传记录
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:raises AssertionError: 当记录已存在时抛出
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:raises ValidationError: 当表单验证失败时抛出
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"""
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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 = DcmTaskFileUploadForm(formdata=kwargs)
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_form.validate_form()
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# 检查是否已存在
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_exist = await cls.is_exist(_form.dcm_task_id.data, _form.dcm_task_attachment_id.data)
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assert _exist is None, "相同任务ID和附件ID的文件上传记录已存在，不能重复创建。"
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_record = cls().copy_from_dict(_form.data, skip_none=True).before_save()
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await _record.async_save()
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return _record
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@classmethod
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async def delete(cls, id: Union[str, int]):
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"""
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软删除（不推荐物理删除，但可设 status=-1 或删除记录）
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本系统暂不支持软删除，建议直接物理删除。
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"""
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_record: cls = await cls.async_find_by_id(id)
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assert _record, f"根据 ID {id} 未找到文件上传记录。"
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_del_query = delete(cls).where(cls.id == _record.id)
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_del_count = (await cls.raw_execute(_del_query)).rowcount
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echo_log(f'已删除文件上传记录（ID：{_record.id}）.')
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return _record
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@classmethod
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async def modify(cls, id: Union[str, int], **kwargs):
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"""
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修改文件上传记录。
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注意：仅允许修改 status、created_by 等非核心关联字段。
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核心字段（dcm_task_id, dcm_task_attachment_id, dcm_media_id, oa_media_id）不允许修改。
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:param id: 记录ID
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:param kwargs: 更新字段
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:return: 更新后的记录
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:raises AssertionError: 当记录不存在或字段被非法修改时抛出
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:raises ValidationError: 当表单验证失败时抛出
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"""
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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 = DcmTaskFileUploadForm(formdata=kwargs)
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_form.validate_form()
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# 核心字段禁止修改
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protected_fields = {'dcm_task_id', 'dcm_task_attachment_id', 'dcm_media_id', 'oa_media_id'}
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disallowed_fields = set(kwargs.keys()) & protected_fields
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assert not disallowed_fields, f"禁止修改核心字段: {disallowed_fields}"
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_record: cls = await cls.async_find_by_id(id)
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assert _record, f'查无此文件上传记录（ID：{id}）。'
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# 允许更新的字段
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allowed_fields = {'status', 'created_by'}
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update_data = {k: v for k, v in _form.data.items() if k in allowed_fields and v is not None}
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_record.copy_from_dict(update_data, skip_none=True).before_save()
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await _record.async_save()
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return _record
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@classmethod
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async def create_batch(cls, data_df: pd.DataFrame):
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"""
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批量创建文件上传记录（传入数据应为全新记录）。
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:param data_df: 包含字段 dcm_task_id, dcm_task_attachment_id, dcm_media_id, oa_media_id, file_hash, status, created_at, created_by 的 DataFrame
|
||||
:return: 成功创建的数量
|
||||
"""
|
||||
if data_df.empty:
|
||||
return 0
|
||||
|
||||
records = data_df.to_dict('records')
|
||||
records = [cls().copy_from_dict(r, skip_none=True).before_save() for r in records]
|
||||
|
||||
session = cls.get_aio_session()
|
||||
try:
|
||||
session.add_all(records)
|
||||
await session.commit()
|
||||
except Exception as e:
|
||||
await session.rollback()
|
||||
raise e
|
||||
finally:
|
||||
await session.close()
|
||||
echo_log(f"批量创建成功：创建 {len(records)} 条文件上传记录。")
|
||||
return len(records)
|
||||
|
||||
@classmethod
|
||||
async def modify_batch(cls, data_df: pd.DataFrame):
|
||||
"""
|
||||
批量修改文件上传记录。
|
||||
|
||||
:param data_df: 必须包含 id 列的 DataFrame
|
||||
:return: 成功更新的数量
|
||||
"""
|
||||
if data_df.empty:
|
||||
return 0
|
||||
|
||||
if 'id' not in data_df.columns:
|
||||
echo_log("错误：modify_batch 要求输入数据必须包含 'id' 列（主键）")
|
||||
return 0
|
||||
|
||||
update_data = data_df.to_dict('records')
|
||||
|
||||
session = cls.get_aio_session()
|
||||
try:
|
||||
await session.run_sync(
|
||||
lambda sync_session: sync_session.bulk_update_mappings(cls, update_data)
|
||||
)
|
||||
await session.commit()
|
||||
updated_count = len(update_data)
|
||||
except Exception as e:
|
||||
await session.rollback()
|
||||
raise e
|
||||
finally:
|
||||
await session.close()
|
||||
|
||||
echo_log(f"批量修改成功：更新 {updated_count} 条文件上传记录。")
|
||||
return updated_count
|
||||
|
||||
@classmethod
|
||||
async def save_batch(cls, data_df: pd.DataFrame):
|
||||
"""
|
||||
批量保存数据，自动处理新建和更新。
|
||||
|
||||
:param data_df: 要保存的数据框架，必须包含 dcm_task_id 和 dcm_task_attachment_id
|
||||
:return: (新建数量, 更新数量)
|
||||
"""
|
||||
_exists_df, _latest_df = await DcmTaskFileUpload.exists_relation(data_df)
|
||||
|
||||
_created_count = await DcmTaskFileUpload.create_batch(_latest_df)
|
||||
_updated_count = await DcmTaskFileUpload.modify_batch(_exists_df)
|
||||
|
||||
return _created_count, _updated_count
|
||||
Reference in New Issue
Block a user