73 lines
2.6 KiB
C#
73 lines
2.6 KiB
C#
using MediatR;
|
|
using TakeoutSaaS.Application.Identity.Commands;
|
|
using TakeoutSaaS.Application.Identity.Contracts;
|
|
using TakeoutSaaS.Domain.Identity.Entities;
|
|
using TakeoutSaaS.Domain.Identity.Repositories;
|
|
using TakeoutSaaS.Shared.Abstractions.Constants;
|
|
using TakeoutSaaS.Shared.Abstractions.Exceptions;
|
|
using TakeoutSaaS.Shared.Abstractions.Tenancy;
|
|
|
|
namespace TakeoutSaaS.Application.Identity.Handlers;
|
|
|
|
/// <summary>
|
|
/// 创建权限处理器。
|
|
/// </summary>
|
|
public sealed class CreatePermissionCommandHandler(
|
|
IPermissionRepository permissionRepository,
|
|
ITenantProvider tenantProvider)
|
|
: IRequestHandler<CreatePermissionCommand, PermissionDto>
|
|
{
|
|
/// <summary>
|
|
/// 处理创建权限请求。
|
|
/// </summary>
|
|
/// <param name="request">创建命令。</param>
|
|
/// <param name="cancellationToken">取消标记。</param>
|
|
/// <returns>创建后的权限 DTO。</returns>
|
|
public async Task<PermissionDto> Handle(CreatePermissionCommand request, CancellationToken cancellationToken)
|
|
{
|
|
// 1. 权限固定时禁止新增
|
|
if (!PermissionPolicy.CanMaintainPermissions)
|
|
{
|
|
throw new BusinessException(ErrorCodes.Forbidden, "权限已固定，禁止新增");
|
|
}
|
|
|
|
// 2. 获取租户上下文
|
|
var tenantId = tenantProvider.GetCurrentTenantId();
|
|
|
|
// 3. 构建权限实体
|
|
var normalizedType = string.IsNullOrWhiteSpace(request.Type)
|
|
? "leaf"
|
|
: request.Type.Trim().ToLowerInvariant();
|
|
normalizedType = normalizedType is "group" or "leaf" ? normalizedType : "leaf";
|
|
var parentId = request.ParentId > 0 ? request.ParentId : 0;
|
|
var sortOrder = request.SortOrder < 0 ? 0 : request.SortOrder;
|
|
var permission = new Permission
|
|
{
|
|
TenantId = tenantId,
|
|
ParentId = parentId,
|
|
SortOrder = sortOrder,
|
|
Type = normalizedType,
|
|
Name = request.Name,
|
|
Code = request.Code,
|
|
Description = request.Description
|
|
};
|
|
|
|
// 4. 持久化
|
|
await permissionRepository.AddAsync(permission, cancellationToken);
|
|
await permissionRepository.SaveChangesAsync(cancellationToken);
|
|
|
|
// 5. 返回 DTO
|
|
return new PermissionDto
|
|
{
|
|
Id = permission.Id,
|
|
TenantId = permission.TenantId,
|
|
ParentId = permission.ParentId,
|
|
SortOrder = permission.SortOrder,
|
|
Type = permission.Type,
|
|
Name = permission.Name,
|
|
Code = permission.Code,
|
|
Description = permission.Description
|
|
};
|
|
}
|
|
}
|