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from typing import Any
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from app.api.v1.module_platform.tenant.service import TenantService
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from app.core.base_schema import AuthSchema, BatchSetAvailable
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from app.core.exceptions import CustomException
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from app.utils.excel_util import ExcelUtil
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from .crud import RoleCRUD
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from .schema import (
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RoleCreateSchema,
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RoleOutSchema,
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RolePermissionSettingSchema,
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RoleQueryParam,
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RoleUpdateSchema,
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)
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class RoleService:
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"""
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角色管理服务
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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。
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"""
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def __init__(self, auth: AuthSchema) -> None:
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self.auth = auth
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async def detail(self, id: int) -> RoleOutSchema:
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"""
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获取角色详情
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参数:
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- id (int): 角色ID
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返回:
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- RoleOutSchema: 角色详情响应模型
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"""
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return await RoleCRUD(self.auth).get_or_404(id=id, out_schema=RoleOutSchema)
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async def get_list(
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self,
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search: RoleQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> list[RoleOutSchema]:
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"""
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获取角色列表
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参数:
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- search (RoleQueryParam | None): 查询参数模型
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- order_by (list[dict[str, str]] | None): 排序参数列表
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返回:
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- list[RoleOutSchema]: 角色响应模型列表
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"""
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role_list = await RoleCRUD(self.auth).get_list(search=vars(search) if search else None, order_by=order_by)
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return [RoleOutSchema.model_validate(role) for role in role_list]
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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: RoleQueryParam | None = None,
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order_by: list[dict[str, str]] | None = None,
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) -> dict:
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"""
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分页查询角色（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 (RoleQueryParam | None): 查询条件
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- order_by (list[dict[str, str]] | None): 排序字段列表
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返回:
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- dict: 分页结果（结构由 ``CRUD.page`` 返回约定）
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"""
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offset = (page_no - 1) * page_size
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return await RoleCRUD(self.auth).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=vars(search) if search else None,
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out_schema=RoleOutSchema,
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)
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async def create(self, data: RoleCreateSchema) -> RoleOutSchema:
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"""
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创建角色
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参数:
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- data (RoleCreateSchema): 创建角色模型
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返回:
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- RoleOutSchema: 新创建的角色响应模型
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"""
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role = await RoleCRUD(self.auth).get(name=data.name)
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if role:
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raise CustomException(msg="创建失败，该数据已存在")
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obj = await RoleCRUD(self.auth).get(code=data.code)
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if obj:
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raise CustomException(msg="创建失败，编码已存在")
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# 检查租户配额
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await TenantService(self.auth).check_quota(self.auth.tenant_id, "role")
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new_role = await RoleCRUD(self.auth).create(data=data)
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return RoleOutSchema.model_validate(new_role)
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async def update(self, id: int, data: RoleUpdateSchema) -> RoleOutSchema:
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"""
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更新角色
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参数:
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- id (int): 角色ID
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- data (RoleUpdateSchema): 更新角色模型
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返回:
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- RoleOutSchema: 更新后的角色响应模型
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"""
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_ = await RoleCRUD(self.auth).get_or_404(id=id, msg="更新失败，该数据不存在")
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exist_role = await RoleCRUD(self.auth).get(name=data.name)
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if exist_role and exist_role.id != id:
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raise CustomException(msg="更新失败，名称已存在")
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exist_code = await RoleCRUD(self.auth).get(code=data.code)
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if exist_code and exist_code.id != id:
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raise CustomException(msg="更新失败，角色编码已存在")
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updated_role = await RoleCRUD(self.auth).update(id=id, data=data)
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return RoleOutSchema.model_validate(updated_role)
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async def delete(self, ids: list[int]) -> None:
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"""
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删除角色
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参数:
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- ids (list[int]): 角色ID列表
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返回:
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- None
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"""
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if len(ids) < 1:
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raise CustomException(msg="删除失败，删除对象不能为空")
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# 批量校验角色存在性
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roles = await RoleCRUD(self.auth).get_list(search={"id": ("in", ids)})
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if len(roles) != len(ids):
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raise CustomException(msg="删除失败，部分ID不存在")
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await RoleCRUD(self.auth).delete(ids=ids)
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async def set_permission(self, data: RolePermissionSettingSchema) -> None:
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"""
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设置角色权限
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参数:
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- data (RolePermissionSettingSchema): 角色权限设置模型
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返回:
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- None
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"""
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# 设置角色菜单权限
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await RoleCRUD(self.auth).set_role_menus_crud(role_ids=data.role_ids, menu_ids=data.menu_ids)
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# 设置数据权限范围
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await RoleCRUD(self.auth).set(ids=data.role_ids, data_scope=data.data_scope)
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# 设置自定义数据权限部门
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if data.data_scope == 5 and data.dept_ids:
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await RoleCRUD(self.auth).set_role_depts_crud(role_ids=data.role_ids, dept_ids=data.dept_ids)
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else:
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await RoleCRUD(self.auth).set_role_depts_crud(role_ids=data.role_ids, dept_ids=[])
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async def set_available(self, data: BatchSetAvailable) -> None:
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"""
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设置角色可用状态
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参数:
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- data (BatchSetAvailable): 批量设置可用状态模型
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返回:
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- None
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"""
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roles = await RoleCRUD(self.auth).get_list(search={"id": ("in", data.ids)})
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role_map = {r.id: r for r in roles}
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for rid in data.ids:
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if rid not in role_map:
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raise CustomException(msg="该数据不存在")
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await RoleCRUD(self.auth).set(ids=data.ids, status=data.status)
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@staticmethod
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def export_list(role_list: list[dict[str, Any]]) -> bytes:
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"""
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导出角色列表
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参数:
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- role_list (list[dict[str, Any]]): 角色详情字典列表
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返回:
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- bytes: Excel文件字节流
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"""
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# 字段映射配置
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mapping_dict = {
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"id": "角色编号",
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"name": "角色名称",
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"order": "显示顺序",
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"data_scope": "数据权限",
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"status": "状态",
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"description": "备注",
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"created_time": "创建时间",
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"updated_time": "更新时间",
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"created_id": "创建者ID",
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"updated_id": "更新者ID",
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}
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# 数据权限映射
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data_scope_map = {
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1: "仅本人数据权限",
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2: "本部门数据权限",
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3: "本部门及以下数据权限",
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4: "全部数据权限",
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5: "自定义数据权限",
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}
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# 处理数据
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data = role_list.copy()
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for item in data:
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item["status"] = "启用" if item.get("status") == 0 else "停用"
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item["data_scope"] = data_scope_map.get(item.get("data_scope", 1), "")
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return ExcelUtil.export_list2excel(list_data=data, mapping_dict=mapping_dict)
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