feat(marketing): add full reduction campaign api module

src/Domain/TakeoutSaaS.Domain/Coupons/Repositories/IPromotionCampaignRepository.cs

@@ -0,0 +1,47 @@
+using TakeoutSaaS.Domain.Coupons.Entities;
+using TakeoutSaaS.Domain.Coupons.Enums;
+
+namespace TakeoutSaaS.Domain.Coupons.Repositories;
+
+/// <summary>
+/// 营销活动仓储契约。
+/// </summary>
+public interface IPromotionCampaignRepository
+{
+    /// <summary>
+    /// 查询租户下指定活动类型的活动列表。
+    /// </summary>
+    Task<IReadOnlyList<PromotionCampaign>> GetByPromotionTypeAsync(
+        long tenantId,
+        PromotionType promotionType,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询活动详情。
+    /// </summary>
+    Task<PromotionCampaign?> FindByIdAsync(
+        long campaignId,
+        long tenantId,
+        PromotionType promotionType,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增活动。
+    /// </summary>
+    Task AddAsync(PromotionCampaign campaign, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新活动。
+    /// </summary>
+    Task UpdateAsync(PromotionCampaign campaign, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除活动。
+    /// </summary>
+    Task DeleteAsync(PromotionCampaign campaign, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 提交变更。
+    /// </summary>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}