init: 初始化 dpb 桃育种系统代码库
前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
This commit is contained in:
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import json
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from typing import Any
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from redis.asyncio.client import Redis
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from sqlalchemy import update as sa_update
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.api.v1.module_system.dict.model import DictDataModel
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from app.common.enums import RedisInitKeyConfig
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from app.core.base_schema import AuthSchema, BatchSetAvailable, PageResultSchema
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from app.core.database import async_db_session
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from app.core.exceptions import CustomException
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from app.core.logger import logger
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from app.core.redis_crud import RedisCURD
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from app.utils.common_util import search_to_dict
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from app.utils.excel_util import ExcelUtil
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from .crud import DictDataCRUD, DictTypeCRUD
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from .schema import (
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DictDataCreateSchema,
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DictDataOutSchema,
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DictDataQueryParam,
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DictDataUpdateSchema,
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DictTypeCreateSchema,
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DictTypeOutSchema,
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DictTypeQueryParam,
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DictTypeUpdateSchema,
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)
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class DictTypeService:
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"""字典类型管理服务
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设计:实例方法承载「当前用户上下文 (auth)」,``redis`` 仍是方法参数
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(因为不是每个端点都用到)。调用方写法由 ``XxxService.method_service(auth=...)``
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改为 ``XxxService(auth).method(...)``。
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"""
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def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
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self.auth = auth
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self.db = db
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async def detail(self, id: int) -> DictTypeOutSchema:
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"""获取数据字典类型详情
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参数:
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- id (int): 数据字典类型ID
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返回:
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- DictTypeOutSchema: 字典类型响应模型
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"""
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obj = await DictTypeCRUD(self.auth, self.db).get_or_404(id=id)
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return DictTypeOutSchema.model_validate(obj)
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async def get_list(
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self,
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search: DictTypeQueryParam | None = None,
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order_by: list[dict] | None = None,
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) -> list[DictTypeOutSchema]:
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"""获取数据字典类型列表
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参数:
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- search (DictTypeQueryParam | None): 搜索条件模型
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- order_by (list[dict] | None): 排序字段列表
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返回:
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- list[DictTypeOutSchema]: 字典类型响应模型列表
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"""
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obj_list = await DictTypeCRUD(self.auth, self.db).get_list(search=search_to_dict(search), order_by=order_by)
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return [DictTypeOutSchema.model_validate(obj) for obj in obj_list]
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@staticmethod
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def export_list(dict_type_list: list[dict[str, Any]]) -> bytes:
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"""导出字典类型列表为 Excel。"""
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if not dict_type_list:
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raise CustomException(msg="没有数据可导出")
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mapping_dict = {
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"id": "字典类型ID",
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"dict_name": "字典名称",
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"dict_type": "字典类型编码",
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"status": "状态",
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"description": "描述",
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"created_time": "创建时间",
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"updated_time": "更新时间",
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}
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data = dict_type_list.copy()
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for item in data:
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item["status"] = "正常" if item.get("status") == 0 else "停用"
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return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
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async def page(
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self,
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page_no: int,
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page_size: int,
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search: DictTypeQueryParam | None = None,
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order_by: list[dict] | None = None,
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) -> PageResultSchema[DictTypeOutSchema]:
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"""分页查询字典类型(数据库 OFFSET/LIMIT)。
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参数:
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- page_no (int): 页码(从 1 开始)
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- page_size (int): 每页条数
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- search (DictTypeQueryParam | None): 查询条件
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- order_by (list[dict] | None): 排序字段列表
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返回:
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- PageResultSchema[DictTypeOutSchema]: 分页结果
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"""
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offset = (page_no - 1) * page_size
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return await DictTypeCRUD(self.auth, self.db).page(
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offset=offset,
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limit=page_size,
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order_by=order_by or [{"id": "asc"}],
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search=search_to_dict(search),
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out_schema=DictTypeOutSchema,
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)
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async def create(self, redis: Redis, data: DictTypeCreateSchema) -> DictTypeOutSchema:
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"""创建数据字典类型
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参数:
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- redis (Redis): Redis客户端
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- data (DictTypeCreateSchema): 数据字典类型创建模型
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返回:
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- DictTypeOutSchema: 字典类型响应模型
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"""
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exist_obj = await DictTypeCRUD(self.auth, self.db).get(dict_name=data.dict_name)
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if exist_obj:
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raise CustomException(msg="创建失败,该数据已存在")
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obj = await DictTypeCRUD(self.auth, self.db).create(data=data)
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new_obj_dict = DictTypeOutSchema.model_validate(obj)
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redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{data.dict_type}"
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try:
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await RedisCURD(redis).set(
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key=redis_key,
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value="[]",
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expire=None,
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)
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logger.info(f"创建字典类型成功: {new_obj_dict}")
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except Exception as e:
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logger.error(f"创建字典类型失败: {e}")
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raise CustomException(msg="同步字典类型缓存失败") from e
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return new_obj_dict
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async def update(
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self,
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redis: Redis,
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id: int,
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data: DictTypeUpdateSchema,
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) -> DictTypeOutSchema:
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"""更新数据字典类型
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参数:
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- redis (Redis): Redis客户端
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- id (int): 数据字典类型ID
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- data (DictTypeUpdateSchema): 数据字典类型更新模型
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返回:
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- DictTypeOutSchema: 字典类型响应模型
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"""
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exist_obj = await DictTypeCRUD(self.auth, self.db).get_or_404(id=id, msg="更新失败,该数据不存在")
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if exist_obj.dict_name != data.dict_name:
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raise CustomException(msg="更新失败,数据字典类型名称不可以修改")
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# 如果字典类型修改或状态变更,则修改对应字典数据的类型和状态
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if exist_obj.dict_type != data.dict_type or exist_obj.status != data.status:
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# 批量更新所有关联字典数据
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update_data: dict[str, Any] = {"status": data.status}
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if exist_obj.dict_type != data.dict_type:
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update_data["dict_type"] = data.dict_type
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stmt = (
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sa_update(DictDataModel)
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.where(DictDataModel.dict_type == exist_obj.dict_type)
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.values(**update_data)
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)
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await self.db.execute(stmt)
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await self.db.flush()
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obj = await DictTypeCRUD(self.auth, self.db).update(id=id, data=data)
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new_obj_dict = DictTypeOutSchema.model_validate(obj)
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redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{data.dict_type}"
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try:
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# 获取当前字典类型的所有字典数据,确保包含最新状态
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dict_data_list = await DictDataCRUD(self.auth, self.db).get_list(search={"dict_type": data.dict_type})
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dict_data = [DictDataOutSchema.model_validate(row).model_dump(mode="json") for row in dict_data_list if row]
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value = json.dumps(dict_data, ensure_ascii=False)
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await RedisCURD(redis).set(
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key=redis_key,
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value=value,
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expire=None,
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)
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logger.info(f"更新字典类型成功并刷新缓存: {new_obj_dict}")
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except Exception as e:
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logger.error(f"更新字典类型缓存失败: {e}")
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raise CustomException(msg="同步字典类型缓存失败") from e
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return new_obj_dict
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async def delete(self, redis: Redis, ids: list[int]) -> None:
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"""删除数据字典类型
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参数:
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- redis (Redis): Redis客户端
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- ids (list[int]): 数据字典类型ID列表
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返回:
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- None
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"""
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if not ids:
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raise CustomException(msg="删除失败,删除对象不能为空")
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existing = await DictTypeCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
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existing_map = {obj.id: obj for obj in existing}
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# 收集所有 dict_type 去重后批量查询是否有字典数据
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dict_types = {obj.dict_type for obj in existing if obj.id in ids}
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dict_type_has_data: set[str] = set()
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for dt in dict_types:
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if await DictDataCRUD(self.auth, self.db).get_list(search={"dict_type": dt}):
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dict_type_has_data.add(dt)
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for nid in ids:
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if nid not in existing_map:
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raise CustomException(msg="删除失败,该数据不存在")
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exist_obj = existing_map[nid]
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if exist_obj.dict_type in dict_type_has_data:
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raise CustomException(msg="删除失败,该数据字典类型下存在字典数据")
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# 验证通过后统一删除 Redis 缓存
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existing_dict_types = {obj.dict_type for obj in existing if obj.id in ids}
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for dt in existing_dict_types:
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redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{dt}"
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try:
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await RedisCURD(redis).delete(redis_key)
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logger.info(f"删除字典类型缓存: {dt}")
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except Exception as e:
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logger.error(f"删除字典类型缓存失败: {e}")
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raise CustomException(msg="同步删除字典缓存失败") from e
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await DictTypeCRUD(self.auth, self.db).delete(ids=ids)
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async def set_available(self, data: BatchSetAvailable) -> None:
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"""设置数据字典类型状态
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参数:
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- data (BatchSetAvailable): 批量设置状态模型
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返回:
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- None
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"""
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await DictTypeCRUD(self.auth, self.db).set(ids=data.ids, status=data.status)
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class DictDataService:
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"""字典数据管理服务
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设计同 DictTypeService:实例方法 + ``__init__(auth)``。
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"""
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def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
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self.auth = auth
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self.db = db
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async def detail(self, id: int) -> DictDataOutSchema:
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"""获取数据字典数据详情
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参数:
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- id (int): 数据字典数据ID
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返回:
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- DictDataOutSchema: 字典数据响应模型
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"""
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obj = await DictDataCRUD(self.auth, self.db).get_or_404(id=id)
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return DictDataOutSchema.model_validate(obj)
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async def get_list(
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self,
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search: DictDataQueryParam | None = None,
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order_by: list[dict] | None = None,
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) -> list[DictDataOutSchema]:
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"""获取数据字典数据列表
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参数:
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- search (DictDataQueryParam | None): 搜索条件模型
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- order_by (list[dict] | None): 排序字段列表
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返回:
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- list[DictDataOutSchema]: 字典数据响应模型列表
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"""
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obj_list = await DictDataCRUD(self.auth, self.db).get_list(search=search_to_dict(search), order_by=order_by)
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return [DictDataOutSchema.model_validate(obj) for obj in obj_list]
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@staticmethod
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def export_list(dict_data_list: list[dict[str, Any]]) -> bytes:
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"""导出字典数据列表为 Excel。"""
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if not dict_data_list:
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raise CustomException(msg="没有数据可导出")
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mapping_dict = {
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"id": "字典数据ID",
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"dict_type": "字典类型编码",
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"dict_sort": "排序",
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"dict_label": "字典标签",
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"dict_value": "字典键值",
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"is_default": "是否默认",
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"status": "状态",
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"description": "描述",
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"created_time": "创建时间",
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"updated_time": "更新时间",
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}
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data = dict_data_list.copy()
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for item in data:
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item["status"] = "正常" if item.get("status") == 0 else "停用"
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item["is_default"] = "是" if item.get("is_default") else "否"
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return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
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async def page(
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self,
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page_no: int,
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page_size: int,
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search: DictDataQueryParam | None = None,
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order_by: list[dict] | None = None,
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) -> PageResultSchema[DictDataOutSchema]:
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"""分页查询字典数据(数据库 OFFSET/LIMIT)。
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参数:
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- page_no (int): 页码(从 1 开始)
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- page_size (int): 每页条数
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- search (DictDataQueryParam | None): 查询条件
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- order_by (list[dict] | None): 排序字段列表
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返回:
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- PageResultSchema[DictDataOutSchema]: 分页结果
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"""
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offset = (page_no - 1) * page_size
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return await DictDataCRUD(self.auth, self.db).page(
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offset=offset,
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limit=page_size,
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order_by=order_by or [{"id": "asc"}],
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search=search_to_dict(search),
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out_schema=DictDataOutSchema,
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)
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@staticmethod
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async def init_cache(redis: Redis) -> None:
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"""应用初始化: 获取所有字典类型对应的字典数据信息并按租户缓存(无 auth)。
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参数:
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- redis (Redis): Redis客户端
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返回:
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- None
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"""
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try:
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async with async_db_session() as session, session.begin():
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init_auth = AuthSchema()
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obj_list = await DictTypeCRUD(init_auth, session).get_list()
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if not obj_list:
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logger.warning("未找到任何字典类型数据")
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return
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for obj in obj_list:
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dict_type = obj.dict_type
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try:
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dict_data_list = await DictDataCRUD(init_auth, session).get_list(search={"dict_type": dict_type})
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dict_data = [DictDataOutSchema.model_validate(row).model_dump(mode="json") for row in dict_data_list if row]
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redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{dict_type}"
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value = json.dumps(dict_data, ensure_ascii=False)
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await RedisCURD(redis).set(
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key=redis_key,
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value=value,
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expire=None,
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)
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except Exception as e:
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logger.error(f"❌ 初始化字典数据失败 [{dict_type}]: {e}")
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except Exception as e:
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logger.error(f"❌️ 字典初始化过程发生错误: {e}")
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raise CustomException(msg="字典数据初始化失败") from e
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@staticmethod
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async def get_init_cache(redis: Redis, dict_type: str) -> list[dict]:
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"""从缓存获取字典数据列表信息(无 auth)。
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参数:
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- redis (Redis): Redis客户端
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- dict_type (str): 字典类型
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返回:
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- list[dict]: 字典数据列表
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"""
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def _parse(data: str | list | None) -> list[dict] | None:
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"""尝试反序列化 Redis 返回的字典缓存数据"""
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if data is None:
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return None
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if isinstance(data, list):
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return data
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try:
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return json.loads(data)
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except (json.JSONDecodeError, TypeError):
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return None
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try:
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redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{dict_type}"
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obj_list_dict = await RedisCURD(redis).get(redis_key)
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result = _parse(obj_list_dict)
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if result is not None:
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return result
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# 缓存未命中或格式异常,重新初始化
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logger.warning(f"字典缓存未命中或格式异常,重新初始化缓存: {dict_type}")
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await DictDataService.init_cache(redis)
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obj_list_dict = await RedisCURD(redis).get(redis_key)
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result = _parse(obj_list_dict)
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if result is None:
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raise CustomException(msg="该数据不存在")
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return result
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except CustomException:
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||||
raise
|
||||
except Exception as e:
|
||||
logger.error(f"获取字典缓存失败: {e!s}")
|
||||
raise CustomException(msg="获取字典数据失败") from e
|
||||
|
||||
async def _refresh_dict_cache(self, redis: Redis, dict_type: str) -> None:
|
||||
"""刷新指定字典类型的 Redis 缓存
|
||||
|
||||
从数据库拉取全量数据,序列化后写入 Redis。
|
||||
|
||||
参数:
|
||||
- redis (Redis): Redis 客户端
|
||||
- dict_type (str): 字典类型
|
||||
"""
|
||||
redis_key = f"{RedisInitKeyConfig.SYSTEM_DICT.key}:1:{dict_type}"
|
||||
dict_data_list = await DictDataCRUD(self.auth, self.db).get_list(search={"dict_type": dict_type})
|
||||
dict_data = [DictDataOutSchema.model_validate(row).model_dump(mode="json") for row in dict_data_list if row]
|
||||
value = json.dumps(dict_data, ensure_ascii=False)
|
||||
await RedisCURD(redis).set(key=redis_key, value=value, expire=None)
|
||||
|
||||
async def create(self, redis: Redis, data: DictDataCreateSchema) -> DictDataOutSchema:
|
||||
"""创建数据字典数据
|
||||
|
||||
参数:
|
||||
- redis (Redis): Redis客户端
|
||||
- data (DictDataCreateSchema): 数据字典数据创建模型
|
||||
|
||||
返回:
|
||||
- DictDataOutSchema: 字典数据响应模型
|
||||
"""
|
||||
# 检查相同字典类型下dict_label是否已存在
|
||||
exist_label_obj = await DictDataCRUD(self.auth, self.db).get(dict_type=data.dict_type, dict_label=data.dict_label)
|
||||
if exist_label_obj:
|
||||
raise CustomException(msg=f'创建失败,该字典类型下的字典标签"{data.dict_label}"已存在')
|
||||
|
||||
# 检查相同字典类型下dict_value是否已存在
|
||||
exist_value_obj = await DictDataCRUD(self.auth, self.db).get(dict_type=data.dict_type, dict_value=data.dict_value)
|
||||
if exist_value_obj:
|
||||
raise CustomException(msg=f'创建失败,该字典类型下的字典键值"{data.dict_value}"已存在')
|
||||
|
||||
obj = await DictDataCRUD(self.auth, self.db).create(data=data)
|
||||
|
||||
try:
|
||||
await self._refresh_dict_cache(redis, data.dict_type)
|
||||
logger.info(f"创建字典数据写入缓存成功: {obj}")
|
||||
except Exception as e:
|
||||
logger.error(f"创建字典数据写入缓存失败: {e}")
|
||||
raise CustomException(msg="同步字典数据缓存失败") from e
|
||||
|
||||
return DictDataOutSchema.model_validate(obj)
|
||||
|
||||
async def update(
|
||||
self,
|
||||
redis: Redis,
|
||||
id: int,
|
||||
data: DictDataUpdateSchema,
|
||||
) -> DictDataOutSchema:
|
||||
"""更新数据字典数据
|
||||
|
||||
参数:
|
||||
- redis (Redis): Redis客户端
|
||||
- id (int): 数据字典数据ID
|
||||
- data (DictDataUpdateSchema): 数据字典数据更新模型
|
||||
|
||||
返回:
|
||||
- DictDataOutSchema: 字典数据响应模型
|
||||
"""
|
||||
exist_obj = await DictDataCRUD(self.auth, self.db).get_or_404(id=id, msg="更新失败,该数据不存在")
|
||||
|
||||
# 检查相同字典类型下dict_label是否已存在(排除当前记录)
|
||||
if exist_obj.dict_label != data.dict_label:
|
||||
exist_label_obj = await DictDataCRUD(self.auth, self.db).get(dict_type=data.dict_type, dict_label=data.dict_label)
|
||||
if exist_label_obj:
|
||||
raise CustomException(msg=f'更新失败,该字典类型下的字典标签"{data.dict_label}"已存在')
|
||||
|
||||
# 检查相同字典类型下dict_value是否已存在(排除当前记录)
|
||||
if exist_obj.dict_value != data.dict_value:
|
||||
exist_value_obj = await DictDataCRUD(self.auth, self.db).get(dict_type=data.dict_type, dict_value=data.dict_value)
|
||||
if exist_value_obj:
|
||||
raise CustomException(msg=f'更新失败,该字典类型下的字典键值"{data.dict_value}"已存在')
|
||||
|
||||
# 如果字典类型变更,仅刷新旧类型缓存,不联动字典类型状态
|
||||
if exist_obj.dict_type != data.dict_type:
|
||||
dict_type = await DictTypeCRUD(self.auth, self.db).get(dict_type=exist_obj.dict_type)
|
||||
if dict_type:
|
||||
try:
|
||||
await self._refresh_dict_cache(redis, dict_type.dict_type)
|
||||
except Exception as e:
|
||||
logger.error(f"刷新旧字典缓存失败: {e}")
|
||||
raise CustomException(msg="同步旧字典数据缓存失败") from e
|
||||
|
||||
obj = await DictDataCRUD(self.auth, self.db).update(id=id, data=data)
|
||||
|
||||
# 刷新新/当前字典类型缓存(仅一次)
|
||||
try:
|
||||
await self._refresh_dict_cache(redis, data.dict_type)
|
||||
logger.info(f"更新字典数据写入缓存成功: {obj}")
|
||||
except Exception as e:
|
||||
logger.error(f"更新字典数据写入缓存失败: {e}")
|
||||
raise CustomException(msg="同步字典数据缓存失败") from e
|
||||
|
||||
return DictDataOutSchema.model_validate(obj)
|
||||
|
||||
async def delete(self, redis: Redis, ids: list[int]) -> None:
|
||||
"""删除数据字典数据
|
||||
|
||||
参数:
|
||||
- redis (Redis): Redis客户端
|
||||
- ids (list[int]): 数据字典数据ID列表
|
||||
|
||||
返回:
|
||||
- None
|
||||
"""
|
||||
if not ids:
|
||||
raise CustomException(msg="删除失败,删除对象不能为空")
|
||||
existing = await DictDataCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
|
||||
existing_map = {obj.id: obj for obj in existing}
|
||||
for nid in ids:
|
||||
if nid not in existing_map:
|
||||
raise CustomException(msg="删除失败,该数据不存在")
|
||||
# 按 dict_type 分组,每组的缓存只刷新一次
|
||||
type_groups: dict[str, list[int]] = {}
|
||||
for obj in existing:
|
||||
if obj.id in ids:
|
||||
type_groups.setdefault(obj.dict_type, []).append(obj.id)
|
||||
for dt in type_groups:
|
||||
try:
|
||||
await self._refresh_dict_cache(redis, dt)
|
||||
logger.info(f"删除字典数据并刷新缓存: dict_type={dt}")
|
||||
except Exception as e:
|
||||
logger.error(f"删除字典数据刷新缓存失败: {e}")
|
||||
raise CustomException(msg="同步删除字典数据缓存失败") from e
|
||||
await DictDataCRUD(self.auth, self.db).delete(ids=ids)
|
||||
|
||||
async def set_available(self, data: BatchSetAvailable) -> None:
|
||||
"""设置数据字典数据状态
|
||||
|
||||
参数:
|
||||
- data (BatchSetAvailable): 批量设置状态模型
|
||||
|
||||
返回:
|
||||
- None
|
||||
"""
|
||||
await DictDataCRUD(self.auth, self.db).set(ids=data.ids, status=data.status)
|
||||
Reference in New Issue
Block a user