feat: add admin menu management crud

src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Repositories/EfMenuRepository.cs

@@ -0,0 +1,65 @@
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Identity.Entities;
+using TakeoutSaaS.Domain.Identity.Repositories;
+using TakeoutSaaS.Infrastructure.Identity.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.Identity.Repositories;
+
+/// <summary>
+/// 菜单仓储 EF 实现。
+/// </summary>
+public sealed class EfMenuRepository(IdentityDbContext dbContext) : IMenuRepository
+{
+    /// <inheritdoc />
+    public Task<IReadOnlyList<MenuDefinition>> GetByTenantAsync(long tenantId, CancellationToken cancellationToken = default)
+    {
+        return dbContext.MenuDefinitions
+            .AsNoTracking()
+            .Where(x => x.TenantId == tenantId)
+            .OrderBy(x => x.ParentId)
+            .ThenBy(x => x.SortOrder)
+            .ToListAsync(cancellationToken)
+            .ContinueWith(t => (IReadOnlyList<MenuDefinition>)t.Result, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task<MenuDefinition?> FindByIdAsync(long id, long tenantId, CancellationToken cancellationToken = default)
+    {
+        return dbContext.MenuDefinitions
+            .AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == id && x.TenantId == tenantId, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(MenuDefinition menu, CancellationToken cancellationToken = default)
+    {
+        return dbContext.MenuDefinitions.AddAsync(menu, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(MenuDefinition menu, CancellationToken cancellationToken = default)
+    {
+        dbContext.MenuDefinitions.Update(menu);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteAsync(long id, long tenantId, CancellationToken cancellationToken = default)
+    {
+        // 1. 查询目标
+        var entity = await dbContext.MenuDefinitions
+            .FirstOrDefaultAsync(x => x.Id == id && x.TenantId == tenantId, cancellationToken);
+
+        // 2. 存在则删除
+        if (entity is not null)
+        {
+            dbContext.MenuDefinitions.Remove(entity);
+        }
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return dbContext.SaveChangesAsync(cancellationToken);
+    }
+}