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。
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34047007@qq.com
2026-08-06 00:17:49 +08:00
commit b95053c52c
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from typing import Any
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.base_schema import AuthSchema, BatchSetAvailable, PageResultSchema
from app.core.exceptions import CustomException
from app.utils.common_util import search_to_dict
from app.utils.excel_util import ExcelUtil
from .crud import RoleCRUD
from .schema import (
RoleCreateSchema,
RoleOutSchema,
RolePermissionSettingSchema,
RoleQueryParam,
RoleUpdateSchema,
)
_ROLE_PRELOAD = ["menus", "depts"]
class RoleService:
"""角色管理服务
提供角色 CRUD、权限配置、数据权限范围设置、批量启/禁用、Excel 导出等业务能力。
"""
def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
self.auth = auth
self.db = db
async def detail(self, id: int) -> RoleOutSchema:
"""获取角色详情
参数:
- id (int): 角色ID
返回:
- RoleOutSchema: 角色详情响应模型
"""
obj = await RoleCRUD(self.auth, self.db).get_or_404(id=id, preload=_ROLE_PRELOAD)
return RoleOutSchema.model_validate(obj)
async def get_options(self) -> list[dict[str, Any]]:
"""获取角色下拉选项,委托给 RoleCRUD"""
return await RoleCRUD(self.auth, self.db).get_options()
async def get_list(
self,
search: RoleQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[RoleOutSchema]:
"""获取角色列表
参数:
- search (RoleQueryParam | None): 查询参数模型
- order_by (list[dict[str, str]] | None): 排序参数列表
返回:
- list[RoleOutSchema]: 角色响应模型列表
"""
role_list = await RoleCRUD(self.auth, self.db).get_list(search=search_to_dict(search), order_by=order_by, preload=_ROLE_PRELOAD)
return [RoleOutSchema.model_validate(role) for role in role_list]
async def page(
self,
page_no: int,
page_size: int,
search: RoleQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> PageResultSchema[RoleOutSchema]:
"""分页查询角色(数据库 OFFSET/LIMIT)。
参数:
- page_no (int): 页码(从 1 开始)
- page_size (int): 每页条数
- search (RoleQueryParam | None): 查询条件
- order_by (list[dict[str, str]] | None): 排序字段列表
返回:
- dict: 分页结果(结构由 ``CRUD.page`` 返回约定)
"""
offset = (page_no - 1) * page_size
return await RoleCRUD(self.auth, self.db).page(
offset=offset,
limit=page_size,
order_by=order_by or [{"id": "asc"}],
search=search_to_dict(search),
out_schema=RoleOutSchema,
preload=_ROLE_PRELOAD,
)
async def create(self, data: RoleCreateSchema) -> RoleOutSchema:
"""
创建角色
参数:
- data (RoleCreateSchema): 创建角色模型
返回:
- RoleOutSchema: 新创建的角色响应模型
"""
role = await RoleCRUD(self.auth, self.db).get(name=data.name)
if role:
raise CustomException(msg="创建失败,该数据已存在")
obj = await RoleCRUD(self.auth, self.db).get(code=data.code)
if obj:
raise CustomException(msg="创建失败,编码已存在")
new_role = await RoleCRUD(self.auth, self.db).create(data=data)
return await self.detail(id=new_role.id)
async def update(self, id: int, data: RoleUpdateSchema) -> RoleOutSchema:
"""更新角色
参数:
- id (int): 角色ID
- data (RoleUpdateSchema): 更新角色模型
返回:
- RoleOutSchema: 更新后的角色响应模型
"""
_ = await RoleCRUD(self.auth, self.db).get_or_404(id=id, msg="更新失败,该数据不存在")
exist_role = await RoleCRUD(self.auth, self.db).get(name=data.name)
if exist_role and exist_role.id != id:
raise CustomException(msg="更新失败,名称已存在")
exist_code = await RoleCRUD(self.auth, self.db).get(code=data.code)
if exist_code and exist_code.id != id:
raise CustomException(msg="更新失败,角色编码已存在")
await RoleCRUD(self.auth, self.db).update(id=id, data=data)
return await self.detail(id=id)
async def delete(self, ids: list[int]) -> None:
"""删除角色
参数:
- ids (list[int]): 角色ID列表
返回:
- None
"""
if not ids:
raise CustomException(msg="删除失败,删除对象不能为空")
# 批量校验角色存在性
roles = await RoleCRUD(self.auth, self.db).get_list(search={"id": ("in", ids)})
if len(roles) != len(ids):
raise CustomException(msg="删除失败,部分ID不存在")
await RoleCRUD(self.auth, self.db).delete(ids=ids)
async def set_permission(self, data: RolePermissionSettingSchema) -> None:
"""设置角色权限
参数:
- data (RolePermissionSettingSchema): 角色权限设置模型
返回:
- None
"""
# 设置角色菜单权限
await RoleCRUD(self.auth, self.db).set_role_menus_crud(role_ids=data.role_ids, menu_ids=data.menu_ids)
# 设置数据权限范围(自定义部门关联已废弃,直接清空)
await RoleCRUD(self.auth, self.db).set(ids=data.role_ids, data_scope=data.data_scope)
await RoleCRUD(self.auth, self.db).set_role_depts_crud(role_ids=data.role_ids, dept_ids=[])
async def set_available(self, data: BatchSetAvailable) -> None:
"""设置角色可用状态
参数:
- data (BatchSetAvailable): 批量设置可用状态模型
返回:
- None
"""
roles = await RoleCRUD(self.auth, self.db).get_list(search={"id": ("in", data.ids)})
role_map = {r.id: r for r in roles}
for rid in data.ids:
if rid not in role_map:
raise CustomException(msg="该数据不存在")
await RoleCRUD(self.auth, self.db).set(ids=data.ids, status=data.status)
@staticmethod
def export_list(role_list: list[dict[str, Any]]) -> bytes:
"""导出角色列表
参数:
- role_list (list[dict[str, Any]]): 角色详情字典列表
返回:
- bytes: Excel文件字节流
"""
# 字段映射配置
mapping_dict = {
"id": "角色编号",
"name": "角色名称",
"order": "显示顺序",
"data_scope": "数据权限",
"status": "状态",
"description": "备注",
"created_time": "创建时间",
"updated_time": "更新时间",
"created_id": "创建者ID",
"updated_id": "更新者ID",
}
# 数据权限映射
data_scope_map = {
1: "仅本人数据权限",
2: "本部门及以下数据权限",
3: "全部数据权限",
}
# 处理数据
data = role_list.copy()
for item in data:
item["status"] = "启用" if item.get("status") == 0 else "停用"
item["data_scope"] = data_scope_map.get(item.get("data_scope", 1), "")
return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)