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/ListRoleTemplatesQueryHandler.cs

@@ -1,26 +1,35 @@
-using System;
+using System.Collections.Generic;
 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>
 /// 角色模板列表查询处理器。
 /// </summary>
-public sealed class ListRoleTemplatesQueryHandler(IRoleTemplateProvider roleTemplateProvider)
+public sealed class ListRoleTemplatesQueryHandler(IRoleTemplateRepository roleTemplateRepository)
     : IRequestHandler<ListRoleTemplatesQuery, IReadOnlyList<RoleTemplateDto>>
 {
     /// <inheritdoc />
-    public Task<IReadOnlyList<RoleTemplateDto>> Handle(ListRoleTemplatesQuery request, CancellationToken cancellationToken)
+    public async Task<IReadOnlyList<RoleTemplateDto>> Handle(ListRoleTemplatesQuery request, CancellationToken cancellationToken)
     {
-        var templates = roleTemplateProvider.GetTemplates()
+        var templates = await roleTemplateRepository.GetAllAsync(request.IsActive, cancellationToken);
+        var permissionsMap = await roleTemplateRepository.GetPermissionsAsync(templates.Select(t => t.Id), cancellationToken);
+
+        var dtos = templates
             .OrderBy(template => template.TemplateCode, StringComparer.OrdinalIgnoreCase)
-            .Select(TemplateMapper.ToDto)
+            .Select(template =>
+            {
+                var codes = permissionsMap.TryGetValue(template.Id, out var perms)
+                    ? (IReadOnlyCollection<string>)perms.Select(p => p.PermissionCode).ToArray()
+                    : Array.Empty<string>();
+                return TemplateMapper.ToDto(template, codes);
+            })
             .ToArray();
 
-        return Task.FromResult<IReadOnlyList<RoleTemplateDto>>(templates);
+        return dtos;
     }
 }