feat: 新增RBAC角色模板复制与初始化

src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfPermissionRepository.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Identity.Entities;
 using TakeoutSaaS.Domain.Identity.Repositories;
@@ -15,6 +16,20 @@ public sealed class EfPermissionRepository(IdentityDbContext dbContext) : IPermi
     public Task<Permission?> FindByCodeAsync(string code, long tenantId, CancellationToken cancellationToken = default)
         => dbContext.Permissions.AsNoTracking().FirstOrDefaultAsync(x => x.Code == code && x.TenantId == tenantId, cancellationToken);
 
+    public Task<IReadOnlyList<Permission>> GetByCodesAsync(long tenantId, IEnumerable<string> codes, CancellationToken cancellationToken = default)
+    {
+        var normalizedCodes = codes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct()
+            .ToArray();
+
+        return dbContext.Permissions.AsNoTracking()
+            .Where(x => x.TenantId == tenantId && normalizedCodes.Contains(x.Code))
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<Permission>)t.Result, cancellationToken);
+    }
+
     public Task<IReadOnlyList<Permission>> GetByIdsAsync(long tenantId, IEnumerable<long> permissionIds, CancellationToken cancellationToken = default)
         => dbContext.Permissions.AsNoTracking()
             .Where(x => x.TenantId == tenantId && permissionIds.Contains(x.Id))