feat: 角色模板改为数据库管理支持前端自定义

src/Application/TakeoutSaaS.Application/Identity/Handlers/GetRoleTemplateQueryHandler.cs

@@ -1,20 +1,28 @@
+using System.Linq;
 using MediatR;
-using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
 using TakeoutSaaS.Application.Identity.Queries;
+using TakeoutSaaS.Domain.Identity.Repositories;
 
 namespace TakeoutSaaS.Application.Identity.Handlers;
 
 /// <summary>
 /// 角色模板详情查询处理器。
 /// </summary>
-public sealed class GetRoleTemplateQueryHandler(IRoleTemplateProvider roleTemplateProvider)
+public sealed class GetRoleTemplateQueryHandler(IRoleTemplateRepository roleTemplateRepository)
     : IRequestHandler<GetRoleTemplateQuery, RoleTemplateDto?>
 {
     /// <inheritdoc />
-    public Task<RoleTemplateDto?> Handle(GetRoleTemplateQuery request, CancellationToken cancellationToken)
+    public async Task<RoleTemplateDto?> Handle(GetRoleTemplateQuery request, CancellationToken cancellationToken)
     {
-        var template = roleTemplateProvider.FindByCode(request.TemplateCode);
-        return Task.FromResult(template is null ? null : TemplateMapper.ToDto(template));
+        var template = await roleTemplateRepository.FindByCodeAsync(request.TemplateCode, cancellationToken);
+        if (template == null)
+        {
+            return null;
+        }
+
+        var permissions = await roleTemplateRepository.GetPermissionsAsync(template.Id, cancellationToken);
+        var codes = permissions.Select(x => x.PermissionCode).ToArray();
+        return TemplateMapper.ToDto(template, codes);
     }
 }