feat: 套餐管理与配额校验能力

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantPackageRepository.cs

@@ -0,0 +1,69 @@
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+
+namespace TakeoutSaaS.Infrastructure.App.Repositories;
+
+/// <summary>
+/// 租户套餐仓储实现。
+/// </summary>
+public sealed class EfTenantPackageRepository(TakeoutAppDbContext context) : ITenantPackageRepository
+{
+    /// <inheritdoc />
+    public Task<TenantPackage?> FindByIdAsync(long id, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPackages.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<TenantPackage>> SearchAsync(string? keyword, bool? isActive, CancellationToken cancellationToken = default)
+    {
+        var query = context.TenantPackages.AsNoTracking();
+
+        if (!string.IsNullOrWhiteSpace(keyword))
+        {
+            var normalized = keyword.Trim();
+            query = query.Where(x => EF.Functions.ILike(x.Name, $"%{normalized}%") || EF.Functions.ILike(x.Description ?? string.Empty, $"%{normalized}%"));
+        }
+
+        if (isActive.HasValue)
+        {
+            query = query.Where(x => x.IsActive == isActive.Value);
+        }
+
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
+    /// <inheritdoc />
+    public Task AddAsync(TenantPackage package, CancellationToken cancellationToken = default)
+    {
+        return context.TenantPackages.AddAsync(package, cancellationToken).AsTask();
+    }
+
+    /// <inheritdoc />
+    public Task UpdateAsync(TenantPackage package, CancellationToken cancellationToken = default)
+    {
+        context.TenantPackages.Update(package);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public async Task DeleteAsync(long id, CancellationToken cancellationToken = default)
+    {
+        var entity = await context.TenantPackages.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+        if (entity != null)
+        {
+            context.TenantPackages.Remove(entity);
+        }
+    }
+
+    /// <inheritdoc />
+    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    {
+        return context.SaveChangesAsync(cancellationToken);
+    }
+}