221 lines
7.2 KiB
Python
221 lines
7.2 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, Query
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select, and_
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from fastcrud import FastCRUD
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from typing import Dict, Any
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from database import get_db
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from models import Permission, Role
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from schemas import (
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PermissionCreate,
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PermissionResponse,
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PermissionTreeResponse,
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RolePermissionAssign,
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RolePermissionResponse,
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)
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from middleware import get_current_user
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from models import User
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from utils.like_filter import ilike_contains
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router = APIRouter(prefix="/permissions", tags=["permissions"])
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# 创建FastCRUD实例
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permission_crud = FastCRUD(Permission, PermissionResponse)
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@router.post("/", response_model=PermissionResponse)
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async def create_permission(
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permission_data: PermissionCreate,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""创建权限"""
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# 检查权限编码是否已存在
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result = await db.execute(select(Permission).filter(Permission.code == permission_data.code))
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existing_permission = result.scalar_one_or_none()
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if existing_permission:
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raise HTTPException(status_code=400, detail="权限编码已存在")
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# 创建权限实例
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db_permission = Permission(
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name=permission_data.name,
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code=permission_data.code,
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parentid=permission_data.parentid,
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description=permission_data.description,
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)
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db.add(db_permission)
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await db.commit()
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await db.refresh(db_permission)
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return db_permission
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@router.get("/", response_model=list[PermissionResponse])
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async def get_permissions(
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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name: str | None = Query(None, description="权限名称，模糊匹配"),
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code: str | None = Query(None, description="权限编码，模糊匹配"),
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):
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"""获取权限列表；支持按名称、编码的模糊查询与组合查询（AND）"""
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stmt = select(Permission)
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filters = []
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for col, raw in ((Permission.name, name), (Permission.code, code)):
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cond = ilike_contains(col, raw)
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if cond is not None:
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filters.append(cond)
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if filters:
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stmt = stmt.where(and_(*filters))
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result = await db.execute(stmt)
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permissions = result.scalars().all()
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return [PermissionResponse.model_validate(p) for p in permissions]
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@router.get("/tree", response_model=list[PermissionTreeResponse])
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async def get_permission_tree(
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""获取权限树形结构（基于 parentid）"""
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# 获取所有权限
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result = await db.execute(select(Permission))
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permissions = result.scalars().all()
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# 转换为字典，便于查找
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perm_dict = {perm.id: {
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"id": perm.id,
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"name": perm.name,
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"code": perm.code,
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"parentid": perm.parentid,
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"description": perm.description,
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"children": []
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} for perm in permissions}
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# 构建树形结构
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tree = []
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for perm_id, perm_data in perm_dict.items():
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parentid = perm_data["parentid"]
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if parentid == 0:
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# 顶级节点
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tree.append(perm_data)
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elif parentid in perm_dict:
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# 子节点，添加到父节点的 children
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perm_dict[parentid]["children"].append(perm_data)
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return tree
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@router.get("/{permission_id}", response_model=PermissionResponse)
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async def get_permission(
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permission_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""获取单个权限"""
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permission = await permission_crud.get(db, id=permission_id)
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if not permission:
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raise HTTPException(status_code=404, detail="权限不存在")
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return permission
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@router.put("/{permission_id}", response_model=PermissionResponse)
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async def update_permission(
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permission_id: int,
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permission_data: PermissionCreate,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""更新权限"""
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# 检查权限编码是否被其他权限使用
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result = await db.execute(
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select(Permission).filter(Permission.code == permission_data.code, Permission.id != permission_id)
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)
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existing_permission = result.scalar_one_or_none()
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if existing_permission:
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raise HTTPException(status_code=400, detail="权限编码已存在")
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# 准备更新数据
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update_data = permission_data.model_dump()
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# 使用FastCRUD更新权限
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updated_permission = await permission_crud.update(
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db, update_data, id=permission_id, schema_to_select=PermissionResponse, return_as_model=True
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)
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if not updated_permission:
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raise HTTPException(status_code=404, detail="权限不存在")
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return updated_permission
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@router.delete("/{permission_id}")
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async def delete_permission(
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permission_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""删除权限"""
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# 检查权限是否存在
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result = await db.execute(select(Permission).filter(Permission.id == permission_id))
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existing_permission = result.scalar_one_or_none()
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if not existing_permission:
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raise HTTPException(status_code=404, detail="权限不存在")
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# 使用FastCRUD删除权限
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deleted = await permission_crud.delete(db, id=permission_id)
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return {"message": "权限删除成功"}
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# 角色权限关联接口
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@router.post("/assign", response_model=RolePermissionResponse)
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async def assign_permissions_to_role(
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data: RolePermissionAssign,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""为角色分配权限"""
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# 查找角色
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result = await db.execute(select(Role).filter(Role.id == data.role_id))
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role = result.scalar_one_or_none()
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if not role:
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raise HTTPException(status_code=404, detail="角色不存在")
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# 查找要分配的权限
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permissions = []
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for permission_id in data.permission_ids:
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result = await db.execute(select(Permission).filter(Permission.id == permission_id))
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permission = result.scalar_one_or_none()
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if permission:
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permissions.append(permission)
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# 更新角色的权限
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role.permissions = permissions
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await db.commit()
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await db.refresh(role)
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# 返回角色权限信息
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return RolePermissionResponse(
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role_id=role.id,
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role_name=role.name,
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permissions=[PermissionResponse.from_orm(p) for p in role.permissions]
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)
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@router.get("/role/{role_id}", response_model=RolePermissionResponse)
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async def get_role_permissions(
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role_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user),
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):
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"""获取角色的权限列表"""
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# 查找角色
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result = await db.execute(select(Role).filter(Role.id == role_id))
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role = result.scalar_one_or_none()
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if not role:
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raise HTTPException(status_code=404, detail="角色不存在")
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# 返回角色权限信息
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return RolePermissionResponse(
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role_id=role.id,
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role_name=role.name,
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permissions=[PermissionResponse.from_orm(p) for p in role.permissions]
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) |