BookSystem/backend/auth/apps/permissions/urls.py
jayhgq 12a577f9a3 feat: 实现动态菜单功能,替换硬编码菜单
1.  后端新增menu字段接口和route权限字段,重构权限接口返回菜单树
2.  前端替换硬编码侧边菜单为动态渲染,新增菜单store和图标映射逻辑
3.  调整权限路由元信息和初始化权限数据
2026-06-09 15:57:23 +08:00

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from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, and_
from sqlalchemy.orm import selectinload
from fastcrud import FastCRUD
from typing import Dict, Any
from database import get_db
from models import Permission, Role
from schemas import (
PermissionCreate,
PermissionResponse,
PermissionTreeResponse,
RolePermissionAssign,
RolePermissionResponse,
)
from middleware import get_current_user
from models import User
from utils.like_filter import ilike_contains
router = APIRouter(prefix="/permissions", tags=["permissions"])
# 创建FastCRUD实例
permission_crud = FastCRUD(Permission, PermissionResponse)
@router.post("/", response_model=PermissionResponse)
async def create_permission(
permission_data: PermissionCreate,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""创建权限"""
# 检查权限编码是否已存在
result = await db.execute(select(Permission).filter(Permission.code == permission_data.code))
existing_permission = result.scalar_one_or_none()
if existing_permission:
raise HTTPException(status_code=400, detail="权限编码已存在")
# 创建权限实例
db_permission = Permission(
name=permission_data.name,
code=permission_data.code,
parentid=permission_data.parentid,
description=permission_data.description,
)
db.add(db_permission)
await db.commit()
await db.refresh(db_permission)
return db_permission
@router.post("/search", response_model=list[PermissionResponse])
async def search_permissions(
query: dict = {},
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取权限列表POST方式支持按名称、编码的模糊查询与组合查询AND"""
stmt = select(Permission)
filters = []
for col, key in ((Permission.name, "name"), (Permission.code, "code")):
raw = query.get(key)
cond = ilike_contains(col, raw)
if cond is not None:
filters.append(cond)
if filters:
stmt = stmt.where(and_(*filters))
result = await db.execute(stmt)
permissions = result.scalars().all()
return [PermissionResponse.model_validate(p) for p in permissions]
@router.get("/tree", response_model=list[PermissionTreeResponse])
async def get_permission_tree(
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取权限树形结构(基于 parentid"""
# 获取所有权限
result = await db.execute(select(Permission))
permissions = result.scalars().all()
# 转换为字典,便于查找
perm_dict = {perm.id: {
"id": perm.id,
"name": perm.name,
"code": perm.code,
"parentid": perm.parentid,
"description": perm.description,
"children": []
} for perm in permissions}
# 构建树形结构
tree = []
for perm_id, perm_data in perm_dict.items():
parentid = perm_data["parentid"]
if parentid == 0:
# 顶级节点
tree.append(perm_data)
elif parentid in perm_dict:
# 子节点,添加到父节点的 children
perm_dict[parentid]["children"].append(perm_data)
return tree
@router.get("/menu", response_model=list[PermissionTreeResponse])
async def get_menu(
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取当前用户的菜单树形结构(仅包含有路由的权限)"""
# 获取用户角色的权限
result = await db.execute(
select(Role)
.options(selectinload(Role.permissions))
.filter(Role.id == current_user.role_id)
)
role = result.scalar_one_or_none()
if not role:
raise HTTPException(status_code=404, detail="角色不存在")
# 获取用户有权限的权限编码集合
user_permission_codes = {perm.code for perm in role.permissions}
# 获取所有顶级模块和二级模块权限有route字段的
result = await db.execute(
select(Permission)
.filter(Permission.route.isnot(None))
)
all_menu_permissions = result.scalars().all()
# 过滤用户有权限的菜单
user_menu_permissions = []
for perm in all_menu_permissions:
# 检查用户是否有该权限或其子权限
has_access = False
for user_perm_code in user_permission_codes:
if user_perm_code.startswith(perm.code):
has_access = True
break
if has_access:
user_menu_permissions.append(perm)
# 转换为字典,便于查找
perm_dict = {perm.id: {
"id": perm.id,
"name": perm.name,
"code": perm.code,
"parentid": perm.parentid,
"route": perm.route,
"description": perm.description,
"children": []
} for perm in user_menu_permissions}
# 构建树形结构
tree = []
for perm_id, perm_data in perm_dict.items():
parentid = perm_data["parentid"]
if parentid == 0:
# 顶级节点
tree.append(perm_data)
elif parentid in perm_dict:
# 子节点,添加到父节点的 children
perm_dict[parentid]["children"].append(perm_data)
return tree
@router.get("/{permission_id}", response_model=PermissionResponse)
async def get_permission(
permission_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取单个权限"""
permission = await permission_crud.get(db, id=permission_id)
if not permission:
raise HTTPException(status_code=404, detail="权限不存在")
return permission
@router.put("/{permission_id}", response_model=PermissionResponse)
async def update_permission(
permission_id: int,
permission_data: PermissionCreate,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""更新权限"""
# 检查权限编码是否被其他权限使用
result = await db.execute(
select(Permission).filter(Permission.code == permission_data.code, Permission.id != permission_id)
)
existing_permission = result.scalar_one_or_none()
if existing_permission:
raise HTTPException(status_code=400, detail="权限编码已存在")
# 准备更新数据
update_data = permission_data.model_dump()
# 使用FastCRUD更新权限
updated_permission = await permission_crud.update(
db, update_data, id=permission_id, schema_to_select=PermissionResponse, return_as_model=True
)
if not updated_permission:
raise HTTPException(status_code=404, detail="权限不存在")
return updated_permission
@router.delete("/{permission_id}")
async def delete_permission(
permission_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""删除权限"""
# 检查权限是否存在
result = await db.execute(select(Permission).filter(Permission.id == permission_id))
existing_permission = result.scalar_one_or_none()
if not existing_permission:
raise HTTPException(status_code=404, detail="权限不存在")
# 使用FastCRUD删除权限
deleted = await permission_crud.delete(db, id=permission_id)
return {"message": "权限删除成功"}
# 角色权限关联接口
@router.post("/assign", response_model=RolePermissionResponse)
async def assign_permissions_to_role(
data: RolePermissionAssign,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""为角色分配权限"""
# 查找角色,同时加载权限关系
result = await db.execute(select(Role).options(selectinload(Role.permissions)).filter(Role.id == data.role_id))
role = result.scalar_one_or_none()
if not role:
raise HTTPException(status_code=404, detail="角色不存在")
# 查找要分配的权限
permissions = []
for permission_id in data.permission_ids:
result = await db.execute(select(Permission).filter(Permission.id == permission_id))
permission = result.scalar_one_or_none()
if permission:
permissions.append(permission)
# 更新角色的权限
role.permissions = permissions
await db.commit()
await db.refresh(role)
# 返回角色权限信息
return RolePermissionResponse(
role_id=role.id,
role_name=role.name,
permissions=[PermissionResponse.from_orm(p) for p in permissions]
)
@router.get("/role/{role_id}", response_model=RolePermissionResponse)
async def get_role_permissions(
role_id: int,
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取角色的权限列表"""
# 查找角色,同时加载权限关系
result = await db.execute(select(Role).options(selectinload(Role.permissions)).filter(Role.id == role_id))
role = result.scalar_one_or_none()
if not role:
raise HTTPException(status_code=404, detail="角色不存在")
# 返回角色权限信息
return RolePermissionResponse(
role_id=role.id,
role_name=role.name,
permissions=[PermissionResponse.from_orm(p) for p in role.permissions]
)
@router.get("/user/me", response_model=RolePermissionResponse)
async def get_current_user_permissions(
db: AsyncSession = Depends(get_db),
current_user: User = Depends(get_current_user),
):
"""获取当前登录用户的权限列表和菜单"""
# 获取用户角色的权限
result = await db.execute(
select(Role)
.options(selectinload(Role.permissions))
.filter(Role.id == current_user.role_id)
)
role = result.scalar_one_or_none()
if not role:
raise HTTPException(status_code=404, detail="角色不存在")
# 获取用户有权限的权限编码集合
user_permission_codes = {perm.code for perm in role.permissions}
# 获取所有顶级模块和二级模块权限有route字段的
result = await db.execute(
select(Permission)
.filter(Permission.route.isnot(None))
)
all_menu_permissions = result.scalars().all()
# 过滤用户有权限的菜单
user_menu_permissions = []
for perm in all_menu_permissions:
# 检查用户是否有该权限或其子权限
has_access = False
for user_perm_code in user_permission_codes:
if user_perm_code.startswith(perm.code):
has_access = True
break
if has_access:
user_menu_permissions.append(perm)
# 转换为字典,便于查找
perm_dict = {perm.id: {
"id": perm.id,
"name": perm.name,
"code": perm.code,
"parentid": perm.parentid,
"route": perm.route,
"description": perm.description,
"children": []
} for perm in user_menu_permissions}
# 构建树形结构
menu_tree = []
for perm_id, perm_data in perm_dict.items():
parentid = perm_data["parentid"]
if parentid == 0:
# 顶级节点
menu_tree.append(perm_data)
elif parentid in perm_dict:
# 子节点,添加到父节点的 children
perm_dict[parentid]["children"].append(perm_data)
# 返回用户权限信息和菜单
return RolePermissionResponse(
role_id=role.id,
role_name=role.name,
permissions=[PermissionResponse.from_orm(p) for p in role.permissions],
menu=menu_tree
)