初始化项目

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import random
from typing import Union, Optional, Callable
import pandas as pd
from sqlalchemy import select, delete
from tornado_swagger.model import register_swagger_model
from wtforms import StringField, TextAreaField, IntegerField
from wtforms.validators import Length
import models
from models.common_model import CommonModel
from models.db_models import TD3iDcmTaskAttachment
from paste.core.logging import echo_log
from paste.util.pagination import Pagination
from paste.web.form import ModelForm
class DcmTaskAttachmentForm(ModelForm):
"""
附件表单验证类(完全映射 TD3iDcmTaskAttachment 字段)。
用于验证和处理数字城管-部门待办任务附件的上传/修改表单数据。
字段完全映射数据库表 t_d3i_dcm_task_attachment 的字段结构。
"""
# 关联信息
relation_type_id = IntegerField('关联类型ID')
relation_id = IntegerField('主关联ID')
relation_main_id = IntegerField('主关联ID(可空)')
relation_sub_id = IntegerField('子关联ID(可空)')
# 媒体信息
act_def_name = StringField('流程节点名称', validators=[Length(max=255, message='流程节点名称长度不能超过255字符')])
media_id = IntegerField('媒体唯一ID')
media_path = StringField('服务器存储路径', validators=[Length(max=512, message='存储路径长度不能超过512字符')])
media_type = StringField('媒体类型', validators=[Length(max=50, message='媒体类型长度不能超过50字符')])
media_name = StringField('原始文件名', validators=[Length(max=255, message='原始文件名长度不能超过255字符')])
media_usage = StringField('使用场景', validators=[Length(max=100, message='使用场景长度不能超过100字符')])
media_server_name = StringField('媒体服务器名称', validators=[Length(max=100, message='媒体服务器名称长度不能超过100字符')])
media_property = IntegerField('媒体属性')
media_uploaded_name = StringField('上传时的原始文件名', validators=[Length(max=255, message='上传文件名长度不能超过255字符')])
media_shot = StringField('截图标识或路径', validators=[Length(max=255, message='截图路径长度不能超过255字符')])
media_label_type_id = IntegerField('标签类型ID')
media_url = StringField('内部访问URL', validators=[Length(max=512, message='内部URL长度不能超过512字符')])
media_default_url = StringField('外部可访问URL', validators=[Length(max=512, message='外部URL长度不能超过512字符')])
display_order = IntegerField('显示顺序')
store_type_id = IntegerField('存储类型ID')
# 图像信息
special_item_image_type = StringField('特殊图片类型', validators=[Length(max=100, message='特殊图片类型长度不能超过100字符')])
height = IntegerField('图片高度')
width = IntegerField('图片宽度')
# 上传与状态
send_flag = IntegerField('发送标志')
public_flag = IntegerField('公开标志(0私有,1公开)')
unit_name = StringField('所属单位', validators=[Length(max=255, message='单位名称长度不能超过255字符')])
gen_thumb = IntegerField('是否生成缩略图(0否,1是)')
can_delete = IntegerField('是否可删除(0否,1是)')
# 时间与人员
upload_time = IntegerField('上传时间戳(毫秒)')
create_human_id = IntegerField('创建人ID')
human_name = StringField('创建人姓名', validators=[Length(max=255, message='创建人姓名长度不能超过255字符')])
create_time = IntegerField('创建时间戳(毫秒)')
update_time = IntegerField('更新时间戳(毫秒)')
delete_reason = TextAreaField('删除原因', validators=[Length(max=65535, message='删除原因长度不能超过65535字符')])
delete_flag = IntegerField('删除标记(0未删,1已删)')
delete_human_id = IntegerField('删除人ID')
delete_time = IntegerField('删除时间戳(毫秒)')
def process(self, formdata=None, obj=None, **kwargs):
if formdata:
for name, values in formdata.items():
if isinstance(values, list) and values:
formdata[name] = [v.strip() if isinstance(v, str) else v for v in values]
elif isinstance(values, str):
formdata[name] = values.strip()
super().process(formdata, obj, **kwargs)
class DcmTaskAttachmentBase(TD3iDcmTaskAttachment, CommonModel):
"""
附件基础类(完全映射 TD3iDcmTaskAttachment 字段)。
封装所有与任务附件相关的通用操作方法。
"""
FieldMapping = {
'store_type_id': 'storeTypeID',
'relation_type_id': 'relationTypeID',
'relation_id': 'relationID',
'relation_main_id': 'relationMainID',
'relation_sub_id': 'relationSubID',
'media_type': 'mediaType',
'media_name': 'mediaName',
'media_usage': 'mediaUsage',
'create_time': 'createTime',
'update_time': 'updateTime',
'display_order': 'displayOrder',
'delete_reason': 'deleteReason',
'delete_flag': 'deleteFlag',
'create_human_id': 'createHumanID',
'delete_human_id': 'deleteHumanID',
'delete_time': 'deleteTime',
'media_path': 'mediaPath',
'media_server_name': 'mediaServerName',
'media_property': 'mediaProperty',
'special_item_image_type': 'specialitemImageType',
'media_uploaded_name': 'mediaUploadedName',
'height': 'height',
'width': 'width',
'send_flag': 'sendFlag',
'media_shot': 'mediaShot',
'public_flag': 'publicFlag',
'media_label_type_id': 'mediaLabelTypeID',
'media_url': 'mediaURL',
'media_default_url': 'mediaDefaultURL',
'human_name': 'humanName',
'unit_name': 'unitName',
'act_def_name': 'actDefName',
'upload_time': 'uploadTime',
'gen_thumb': 'genThumb',
'can_delete': 'canDelete',
'media_id': 'mediaID',
}
"""
附件数据映射
"""
@classmethod
async def exist_other(cls, id: Union[str, int], relation_id: Union[str, int], media_id: Union[str, int]):
"""
检查是否存在除当前附件外的其他同关联ID和类型附件。
:param id: 当前附件ID
:param relation_id: 关联主ID
:param media_id: 媒体ID
:return: 存在返回附件对象,不存在返回None
"""
_query = select(cls).where(cls.id != id, cls.relation_id == relation_id, cls.media_id == media_id)
_attachment: cls = await cls.query_first(_query)
return _attachment
@classmethod
async def find_by_ids(cls, ids: list[Union[str, int]]):
"""
根据ID列表批量查找附件数据。
"""
_query = select(cls).where(cls.id.in_(ids))
_attachment_list: list[cls] = (await cls.orm_execute_scalars(_query)).all()
return _attachment_list
@classmethod
async def is_exist(cls, relation_id: Union[str, int], media_id: Union[str, int]):
"""
检查附件是否已经存在(根据关联ID和类型)。
"""
_query = select(cls).where(cls.relation_id == relation_id, cls.media_id == media_id)
_attachment: cls = await cls.query_first(_query)
return _attachment
@classmethod
async def search_base(cls, is_paging=True, **kwargs):
"""
按参数搜索附件数据的基础方法。
支持字段:
- relation_type_id, relation_id, media_type, unit_name, delete_flag
- 支持模糊匹配:media_name, act_def_name, media_usage
:param is_paging: 是否分页
:param kwargs: 查询参数
:key int page_number: 页码(缺省随机1~100
:key int page_size: 每页数量(缺省20
:key dict sort_clause: 排序配置,如 {'display_order': 'asc'}
:key int relation_type_id: 精确匹配关联类型
:key int relation_id: 精确匹配主关联ID
:key str media_type: 精确匹配媒体类型
:key str unit_name: 精确匹配单位
:key int delete_flag: 精确匹配删除标记
:key str media_name: 模糊匹配原始文件名
:key str act_def_name: 模糊匹配流程节点名称
:key str media_usage: 模糊匹配使用场景
:return: (DataFrame, Pagination)
"""
page_number = kwargs.get('page_number', random.randint(1, 100))
page_size = kwargs.get('page_size', 20)
kwargs.update({'page_number': page_number, 'page_size': page_size})
# 模糊查询字段
_name_likes = {
cls.media_name.key: '%{}%',
cls.act_def_name.key: '%{}%',
cls.media_usage.key: '%{}%',
}
_query = select(cls).where(
*cls.search_wheres(likes=_name_likes, **kwargs)
)
_paging = None
if is_paging:
_row_count = await cls.query_count(_query)
_paging = Pagination(_row_count).paging(page_number, page_size)
_data_query = _query.limit(page_size).offset(_paging.offset_size)
else:
_data_query = _query.where()
_sort_clause = cls.sort_clauses(kwargs.get('sort_clause', {}))
if _sort_clause:
_data_query = _data_query.order_by(*_sort_clause)
else:
_data_query = _data_query.order_by(cls.display_order)
_attachment_df = await cls.query_as_df(_data_query)
if not _attachment_df.empty:
_attachment_df.replace(models.EmptyInDF + models.EmptyDatetimeInDF, '', inplace=True)
return _attachment_df, _paging
@classmethod
async def search(cls, **kwargs):
"""
按参数搜索附件数据,返回分页格式数据。
"""
_attachment_df, _paging = await cls.search_base(**kwargs)
return {
'total': _paging.row_count,
'rows': _attachment_df.to_dict('records'),
'pagination': {
'page_number': _paging.page_number,
'page_count': _paging.page_count,
'page_size': _paging.page_size,
},
}
@classmethod
async def exists_relation(cls, data_df: pd.DataFrame):
"""
查找 data_df 中在数据库中已存在和不存在的记录。根据 relation_id + relation_type_id 判断。
:param data_df: 输入的数据框架,必须包含 relation_id 和 relation_type_id 列
:return: (exists_df: pd.DataFrame, latest_df: pd.DataFrame)
- exists_df: 在数据库中存在的记录
- latest_df: 在数据库中不存在的记录
"""
if data_df.empty:
return pd.DataFrame(), pd.DataFrame()
# 获取待查询的 (relation_id, media_id) 组合
pairs = data_df[[cls.relation_id.key, cls.media_id.key]].drop_duplicates().values.tolist()
if not pairs:
return pd.DataFrame(), data_df.copy()
# 查询数据库中已存在的记录
_query = select(cls.id, cls.relation_id, cls.media_id).where(
(cls.relation_id.in_([p[0] for p in pairs])) &
(cls.media_id.in_([p[1] for p in pairs]))
)
exists_df = await cls.query_as_df(_query)
if exists_df.empty:
return pd.DataFrame(), data_df.copy()
# 构建 (relation_id, media_id) -> id 的映射
key_to_id_map = dict(zip(
zip(exists_df[cls.relation_id.key], exists_df[cls.media_id.key]),
exists_df[cls.id.key])
)
# 根据组合是否在数据库中划分数据
mask_exists = data_df.apply(lambda row: (row[cls.relation_id.key], row[cls.media_id.key]) in key_to_id_map, axis=1)
exists_df = data_df[mask_exists].copy()
exists_df[cls.id.key] = exists_df.apply(lambda row: key_to_id_map[(row[cls.relation_id.key], row[cls.media_id.key])], axis=1)
latest_df = data_df[~mask_exists].copy()
return exists_df, latest_df
@classmethod
async def fill_attachment(cls, data_df: pd.DataFrame, index_field: str = 'id',
column_name: str = 'attachments', is_full: bool = True,
preprocessing: Optional[Callable] = None):
"""
填充附件数据到数据框架。
用于在查询结果中添加关联的附件信息。
:param pandas.DataFrame data_df: 待填充的数据框架
:param str index_field: 索引字段,一般是任务ID
:param str column_name: 填充时,新增加的列名称,默认为`attachments`
:param is_full: 是否填充上传数据
:param preprocessing: 预处理,注意预处理必须要返回处理后的结果
:return: 附件数据框架(已填充)
:rtype: pandas.DataFrame
"""
if data_df.empty:
return pd.DataFrame()
_task_ids = list(set(data_df[index_field].unique().tolist()))
if not _task_ids:
return pd.DataFrame()
_query = select(cls).where(cls.dcm_task_id.in_(_task_ids))
if is_full:
# 默认加入文件上传得到的 OA MediaId 值
from models.dcm_task_file_upload import DcmTaskFileUpload
_query = _query.add_columns(
DcmTaskFileUpload.oa_media_id
).join(
DcmTaskFileUpload, DcmTaskFileUpload.dcm_task_attachment_id == cls.id
)
_atta_df: pd.DataFrame = await cls.query_as_df(_query)
if not _atta_df.empty:
_atta_df.replace(models.EmptyInDF+models.EmptyDatetimeInDF, '', inplace=True)
# 整理输出数据类型
_atta_df[cls.id.key] = _atta_df[cls.id.key].astype(str)
_atta_df[cls.dcm_task_id.key] = _atta_df[cls.dcm_task_id.key].astype(str)
# 设置索引
_atta_df['index_id'] = _atta_df[cls.id.key]
_atta_df.set_index(['index_id'], inplace=True)
# 对数据进行预处理
if isinstance(preprocessing, Callable):
_atta_df = preprocessing(_atta_df)
# 增加数据填充列
data_df[column_name] = data_df[index_field].apply(
lambda x: _atta_df.query(f"{cls.dcm_task_id.key}=='{x}'").to_dict('records')
)
else:
data_df[column_name] = [[] for _ in range(len(data_df))]
return _atta_df
@register_swagger_model
class DcmTaskAttachment(DcmTaskAttachmentBase):
"""
附件业务模型类(主业务类,完全继承 TD3iDcmTaskAttachment 字段)。
---
description: 数字城管-部门待办任务附件
type: object
properties:
id:
description: 主键ID
type: integer
example: 1001
readOnly: true
relation_type_id:
description: 关联类型ID
type: integer
example: 1
relation_id:
description: 主关联ID
type: integer
example: 2001
relation_main_id:
description: 主关联ID(可空)
type: integer
example: 2001
relation_sub_id:
description: 子关联ID(可空)
type: integer
example: 2002
act_def_name:
description: 流程节点名称
type: string
example: "受理"
maxLength: 255
media_id:
description: 媒体唯一ID
type: integer
example: 3001
media_path:
description: 服务器存储路径
type: string
example: "/uploads/2024/05/01/photo.jpg"
maxLength: 512
media_type:
description: 媒体类型(IMAGE, VIDEO等)
type: string
example: "IMAGE"
maxLength: 50
media_name:
description: 原始文件名
type: string
example: "IMG_20240501.jpg"
maxLength: 255
media_usage:
description: 使用场景
type: string
example: "上报"
maxLength: 100
media_server_name:
description: 媒体服务器名称
type: string
example: "oss-1"
maxLength: 100
media_property:
description: 媒体属性
type: integer
example: 1
media_uploaded_name:
description: 上传时的原始文件名
type: string
example: "DSC_001.jpg"
maxLength: 255
media_shot:
description: 截图标识或路径
type: string
example: "/thumbs/photo.jpg"
maxLength: 255
media_label_type_id:
description: 标签类型ID
type: integer
example: 5
media_url:
description: 内部访问URL
type: string
example: "http://internal/oss/123"
maxLength: 512
media_default_url:
description: 外部可访问URL
type: string
example: "https://public.example.com/oss/123"
maxLength: 512
display_order:
description: 显示顺序
type: integer
example: 1
store_type_id:
description: 存储类型ID
type: integer
example: 1
special_item_image_type:
description: 特殊图片类型
type: string
example: "现场照片"
maxLength: 100
height:
description: 图片高度
type: integer
example: 1080
width:
description: 图片宽度
type: integer
example: 1920
send_flag:
description: 发送标志
type: integer
example: 1
public_flag:
description: 公开标志(0私有,1公开)
type: integer
example: 1
unit_name:
description: 所属单位
type: string
example: "市政工程处"
maxLength: 255
gen_thumb:
description: 是否生成缩略图(0否,1是)
type: integer
example: 1
can_delete:
description: 是否可删除(0否,1是)
type: integer
example: 1
upload_time:
description: 上传时间戳(毫秒)
type: integer
example: 1714567890000
create_human_id:
description: 创建人ID
type: integer
example: 101
human_name:
description: 创建人姓名
type: string
example: "张三"
maxLength: 255
create_time:
description: 创建时间戳(毫秒)
type: integer
example: 1714567890000
update_time:
description: 更新时间戳(毫秒)
type: integer
example: 1714567900000
delete_reason:
description: 删除原因
type: string
example: "重复上传"
maxLength: 65535
delete_flag:
description: 删除标记(0未删,1已删)
type: integer
example: 0
delete_human_id:
description: 删除人ID
type: integer
example: 102
delete_time:
description: 删除时间戳(毫秒)
type: integer
example: 1714567910000
created_at:
description: 创建时间,ISO格式的日期时间字符串
type: string
format: date-time
example: "2024-01-15 10:30:00"
readOnly: true
created_by:
description: 创建者用户名
type: string
example: "admin"
readOnly: true
updated_at:
description: 修改时间,ISO格式的日期时间字符串
type: string
format: date-time
example: "2024-01-16 14:25:00"
readOnly: true
updated_by:
description: 修改者用户名
type: string
example: "editor"
readOnly: true
"""
@classmethod
async def create(cls, **kwargs):
"""
创建新的附件。
业务流程:
1. 使用 D3iDcmTaskAttachmentForm 验证表单数据完整性
2. 检查是否已存在相同关联ID和类型的附件(避免重复)
3. 创建新附件对象
4. 设置创建者和更新者为当前用户
5. 保存到数据库
6. 返回创建的附件对象
:param kwargs: 附件参数字典
:return: 新建附件对象
:rtype: DcmTaskAttachment
:raises AssertionError: 当附件已存在时抛出
:raises ValidationError: 当表单验证失败时抛出
"""
# 处理字符串字段去除空格
for _k, _v in kwargs.items():
if isinstance(_v, str):
kwargs[_k] = _v.strip()
_form = DcmTaskAttachmentForm(formdata=kwargs)
_form.validate_form()
# 检查是否存在同关联ID和类型的附件(排除自身)
_attachment: cls = await cls.is_exist(_form.relation_id.data, _form.relation_type_id.data)
assert _attachment is None, "相同关联ID和类型的附件已存在,不能重复创建。"
# 创建附件对象
_attachment = cls().copy_from_dict(_form.data, skip_none=True).before_save()
await _attachment.async_save()
return _attachment
@classmethod
async def delete(cls, attachment_id: Union[str, int]):
"""
删除附件(软删除,设置 delete_flag=1)。
注意:物理删除需谨慎,建议使用软删除机制。
业务流程:
1. 根据ID查找附件
2. 验证附件存在性
3. 设置删除标记和删除信息
4. 保存更新
:param attachment_id: 要删除的附件ID
:return: 更新后的附件对象
:rtype: DcmTaskAttachment
:raises AssertionError: 当附件不存在时抛出
"""
_attachment: cls = await cls.async_find_by_id(attachment_id)
assert _attachment, f"根据 ID {attachment_id} 未找到附件。"
# 执行删除
_del_query = delete(cls).where(cls.id == _attachment.id)
_del_count = (await cls.raw_execute(_del_query)).rowcount
echo_log(f'已删除任务附件(记录ID{_attachment.rec_id}ID{_attachment.id}.')
return _attachment
@classmethod
async def modify(cls, attachment_id: Union[str, int], **kwargs):
"""
修改已有附件信息。
注意:不允许修改 media_id、media_path 等核心存储字段,仅允许修改 metadata(如显示顺序、公开标志、备注等)。
业务流程:
1. 将 attachment_id 添加到参数中
2. 处理字符串字段去除首尾空格
3. 使用 D3iDcmTaskAttachmentForm 验证表单数据
4. 检查是否有其他附件使用了相同的关联ID和类型(排除自身)
5. 查询原附件对象
6. 验证附件存在性
7. 更新允许字段并设置更新者
8. 保存到数据库
9. 返回更新后的附件对象
:param attachment_id: 要修改的附件ID
:param kwargs: 需要更新的字段
:return: 修改后的附件对象
:rtype: DcmTaskAttachment
:raises AssertionError: 当附件不存在或信息重复时抛出
:raises ValidationError: 当表单验证失败时抛出
"""
# 处理字符串字段去除空格
for _k, _v in kwargs.items():
if isinstance(_v, str):
kwargs[_k] = _v.strip()
# 表单验证
_form = DcmTaskAttachmentForm(formdata=kwargs)
_form.validate_form()
# 检查是否与其他附件重复(排除自身)
_other = await cls.exist_other(attachment_id, _form.relation_id.data, _form.relation_type_id.data)
assert _other is None, "相同关联ID和类型的附件已存在,不能重复修改。"
# 查询原附件
_attachment: cls = await cls.async_find_by_id(attachment_id)
assert _attachment, f'查无此附件信息。'
# 仅允许更新非核心存储字段
allowed_fields = {
'display_order', 'public_flag', 'unit_name', 'media_usage',
'media_label_type_id', 'media_shot', 'media_property',
'gen_thumb', 'can_delete', 'delete_reason', 'delete_flag',
'act_def_name', 'human_name'
}
update_data = {k: v for k, v in _form.data.items() if k in allowed_fields and v is not None}
_attachment.copy_from_dict(update_data, skip_none=True).before_save()
await _attachment.async_save()
return _attachment
@classmethod
async def create_batch(cls, data_df: pd.DataFrame):
"""
批量创建新附件(传入数据应为全新记录,无需校验是否存在)。
:param data_df: 包含附件数据的 DataFrame,字段需与模型属性匹配(如 relation_id, relation_type_id 等)
:return: 成功创建的附件数量
:rtype: int
"""
if data_df.empty:
return 0
# 一次性转为字典列表(C 层高效)
records = data_df.to_dict('records')
# 用列表推导式构造对象
attachments = [cls().copy_from_dict(record, skip_none=True).before_save() for record in records]
# 批量插入
session = cls.get_aio_session()
try:
session.add_all(attachments)
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(attachments)} 条附件。")
return len(attachments)
@classmethod
async def modify_batch(cls, data_df: pd.DataFrame):
"""
批量修改已有附件。
:param data_df: 包含附件数据的 DataFrame,必须包含 id 列
:return: 成功更新的附件数量
:rtype: int
"""
if data_df.empty:
return 0
# 必须包含 id 列
if 'id' not in data_df.columns:
echo_log(f"错误:modify_batch 要求输入数据必须包含 '{cls.id.key}' 列(主键)")
return 0
# 转换为字典列表
update_data = data_df.to_dict('records')
# 使用 bulk_update_mappings
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} 条附件。")
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
:param user: 用户
:return: 新建和更新的数量
"""
# 筛选数据状态
_exists_df, _latest_df = await DcmTaskAttachment.exists_relation(data_df)
# 保存到数据库
_created_count = await DcmTaskAttachment.create_batch(_latest_df)
_updated_count = await DcmTaskAttachment.modify_batch(_exists_df)
return _created_count, _updated_count