feat(member): implement points mall backend module

src/Domain/TakeoutSaaS.Domain/Membership/Entities/MemberPointMallProduct.cs

@@ -0,0 +1,95 @@
+using TakeoutSaaS.Domain.Membership.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Membership.Entities;
+
+/// <summary>
+/// 会员积分商城兑换商品。
+/// </summary>
+public sealed class MemberPointMallProduct : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 门店标识。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 展示名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 展示图片地址。
+    /// </summary>
+    public string? ImageUrl { get; set; }
+
+    /// <summary>
+    /// 兑换类型。
+    /// </summary>
+    public MemberPointMallRedeemType RedeemType { get; set; } = MemberPointMallRedeemType.Product;
+
+    /// <summary>
+    /// 关联商品 ID（兑换商品时必填）。
+    /// </summary>
+    public long? ProductId { get; set; }
+
+    /// <summary>
+    /// 关联优惠券模板 ID（兑换优惠券时必填）。
+    /// </summary>
+    public long? CouponTemplateId { get; set; }
+
+    /// <summary>
+    /// 实物名称（兑换实物时必填）。
+    /// </summary>
+    public string? PhysicalName { get; set; }
+
+    /// <summary>
+    /// 实物领取方式。
+    /// </summary>
+    public MemberPointMallPickupMethod? PickupMethod { get; set; }
+
+    /// <summary>
+    /// 商品描述。
+    /// </summary>
+    public string? Description { get; set; }
+
+    /// <summary>
+    /// 兑换方式（纯积分/积分+现金）。
+    /// </summary>
+    public MemberPointMallExchangeType ExchangeType { get; set; } = MemberPointMallExchangeType.PointsOnly;
+
+    /// <summary>
+    /// 所需积分。
+    /// </summary>
+    public int RequiredPoints { get; set; }
+
+    /// <summary>
+    /// 现金部分（积分+现金时使用）。
+    /// </summary>
+    public decimal CashAmount { get; set; }
+
+    /// <summary>
+    /// 初始库存数量。
+    /// </summary>
+    public int StockTotal { get; set; }
+
+    /// <summary>
+    /// 剩余库存数量。
+    /// </summary>
+    public int StockAvailable { get; set; }
+
+    /// <summary>
+    /// 每人限兑次数（null 表示不限）。
+    /// </summary>
+    public int? PerMemberLimit { get; set; }
+
+    /// <summary>
+    /// 到账通知渠道（JSON 数组）。
+    /// </summary>
+    public string NotifyChannelsJson { get; set; } = "[]";
+
+    /// <summary>
+    /// 上下架状态。
+    /// </summary>
+    public MemberPointMallProductStatus Status { get; set; } = MemberPointMallProductStatus.Enabled;
+}

src/Domain/TakeoutSaaS.Domain/Membership/Entities/MemberPointMallRecord.cs

@@ -0,0 +1,100 @@
+using TakeoutSaaS.Domain.Membership.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Membership.Entities;
+
+/// <summary>
+/// 会员积分商城兑换记录。
+/// </summary>
+public sealed class MemberPointMallRecord : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 门店标识。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 兑换记录单号。
+    /// </summary>
+    public string RecordNo { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 关联积分商品 ID。
+    /// </summary>
+    public long PointMallProductId { get; set; }
+
+    /// <summary>
+    /// 会员标识。
+    /// </summary>
+    public long MemberId { get; set; }
+
+    /// <summary>
+    /// 会员名称快照。
+    /// </summary>
+    public string MemberName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 会员手机号快照（脱敏）。
+    /// </summary>
+    public string MemberMobileMasked { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 商品名称快照。
+    /// </summary>
+    public string ProductName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 兑换类型快照。
+    /// </summary>
+    public MemberPointMallRedeemType RedeemType { get; set; } = MemberPointMallRedeemType.Product;
+
+    /// <summary>
+    /// 兑换方式快照。
+    /// </summary>
+    public MemberPointMallExchangeType ExchangeType { get; set; } = MemberPointMallExchangeType.PointsOnly;
+
+    /// <summary>
+    /// 消耗积分。
+    /// </summary>
+    public int UsedPoints { get; set; }
+
+    /// <summary>
+    /// 现金部分。
+    /// </summary>
+    public decimal CashAmount { get; set; }
+
+    /// <summary>
+    /// 记录状态。
+    /// </summary>
+    public MemberPointMallRecordStatus Status { get; set; } = MemberPointMallRecordStatus.Issued;
+
+    /// <summary>
+    /// 兑换时间（UTC）。
+    /// </summary>
+    public DateTime RedeemedAt { get; set; }
+
+    /// <summary>
+    /// 发放时间（UTC）。
+    /// </summary>
+    public DateTime? IssuedAt { get; set; }
+
+    /// <summary>
+    /// 核销时间（UTC）。
+    /// </summary>
+    public DateTime? VerifiedAt { get; set; }
+
+    /// <summary>
+    /// 核销方式。
+    /// </summary>
+    public MemberPointMallVerifyMethod? VerifyMethod { get; set; }
+
+    /// <summary>
+    /// 核销备注。
+    /// </summary>
+    public string? VerifyRemark { get; set; }
+
+    /// <summary>
+    /// 核销人用户标识。
+    /// </summary>
+    public long? VerifiedBy { get; set; }
+}

src/Domain/TakeoutSaaS.Domain/Membership/Entities/MemberPointMallRule.cs

@@ -0,0 +1,65 @@
+using TakeoutSaaS.Domain.Membership.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Membership.Entities;
+
+/// <summary>
+/// 会员积分商城规则配置。
+/// </summary>
+public sealed class MemberPointMallRule : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 门店标识。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 是否启用消费获取。
+    /// </summary>
+    public bool IsConsumeRewardEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 每消费多少元触发一次积分计算。
+    /// </summary>
+    public int ConsumeAmountPerStep { get; set; } = 1;
+
+    /// <summary>
+    /// 每步获得积分。
+    /// </summary>
+    public int ConsumeRewardPointsPerStep { get; set; } = 1;
+
+    /// <summary>
+    /// 是否启用评价奖励。
+    /// </summary>
+    public bool IsReviewRewardEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 评价奖励积分。
+    /// </summary>
+    public int ReviewRewardPoints { get; set; } = 10;
+
+    /// <summary>
+    /// 是否启用注册奖励。
+    /// </summary>
+    public bool IsRegisterRewardEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 注册奖励积分。
+    /// </summary>
+    public int RegisterRewardPoints { get; set; } = 100;
+
+    /// <summary>
+    /// 是否启用签到奖励。
+    /// </summary>
+    public bool IsSigninRewardEnabled { get; set; }
+
+    /// <summary>
+    /// 签到奖励积分。
+    /// </summary>
+    public int SigninRewardPoints { get; set; } = 5;
+
+    /// <summary>
+    /// 积分有效期模式。
+    /// </summary>
+    public MemberPointMallExpiryMode ExpiryMode { get; set; } = MemberPointMallExpiryMode.YearlyClear;
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallExchangeType.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 兑换方式。
+/// </summary>
+public enum MemberPointMallExchangeType
+{
+    /// <summary>
+    /// 纯积分。
+    /// </summary>
+    PointsOnly = 0,
+
+    /// <summary>
+    /// 积分 + 现金。
+    /// </summary>
+    PointsAndCash = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallExpiryMode.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 积分有效期模式。
+/// </summary>
+public enum MemberPointMallExpiryMode
+{
+    /// <summary>
+    /// 永久有效。
+    /// </summary>
+    Permanent = 0,
+
+    /// <summary>
+    /// 按年清零（每年 12 月 31 日）。
+    /// </summary>
+    YearlyClear = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallNotifyChannel.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 到账通知渠道。
+/// </summary>
+public enum MemberPointMallNotifyChannel
+{
+    /// <summary>
+    /// 站内消息。
+    /// </summary>
+    InApp = 0,
+
+    /// <summary>
+    /// 短信通知。
+    /// </summary>
+    Sms = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallPickupMethod.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 实物领取方式。
+/// </summary>
+public enum MemberPointMallPickupMethod
+{
+    /// <summary>
+    /// 到店自提。
+    /// </summary>
+    StorePickup = 0,
+
+    /// <summary>
+    /// 快递配送。
+    /// </summary>
+    Delivery = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallProductStatus.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 积分商城商品状态。
+/// </summary>
+public enum MemberPointMallProductStatus
+{
+    /// <summary>
+    /// 下架。
+    /// </summary>
+    Disabled = 0,
+
+    /// <summary>
+    /// 上架。
+    /// </summary>
+    Enabled = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallRecordStatus.cs

@@ -0,0 +1,27 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 兑换记录状态。
+/// </summary>
+public enum MemberPointMallRecordStatus
+{
+    /// <summary>
+    /// 待领取。
+    /// </summary>
+    PendingPickup = 0,
+
+    /// <summary>
+    /// 已发放。
+    /// </summary>
+    Issued = 1,
+
+    /// <summary>
+    /// 已完成。
+    /// </summary>
+    Completed = 2,
+
+    /// <summary>
+    /// 已取消。
+    /// </summary>
+    Canceled = 3
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallRedeemType.cs

@@ -0,0 +1,22 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 积分兑换类型。
+/// </summary>
+public enum MemberPointMallRedeemType
+{
+    /// <summary>
+    /// 兑换商品。
+    /// </summary>
+    Product = 0,
+
+    /// <summary>
+    /// 兑换优惠券。
+    /// </summary>
+    Coupon = 1,
+
+    /// <summary>
+    /// 兑换实物。
+    /// </summary>
+    Physical = 2
+}

src/Domain/TakeoutSaaS.Domain/Membership/Enums/MemberPointMallVerifyMethod.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Membership.Enums;
+
+/// <summary>
+/// 核销方式。
+/// </summary>
+public enum MemberPointMallVerifyMethod
+{
+    /// <summary>
+    /// 扫码核销。
+    /// </summary>
+    Scan = 0,
+
+    /// <summary>
+    /// 手动核销。
+    /// </summary>
+    Manual = 1
+}

src/Domain/TakeoutSaaS.Domain/Membership/Repositories/IPointMallRepository.cs

@@ -0,0 +1,245 @@
+using TakeoutSaaS.Domain.Membership.Entities;
+using TakeoutSaaS.Domain.Membership.Enums;
+
+namespace TakeoutSaaS.Domain.Membership.Repositories;
+
+/// <summary>
+/// 会员积分商城仓储契约。
+/// </summary>
+public interface IPointMallRepository
+{
+    /// <summary>
+    /// 查询门店积分规则。
+    /// </summary>
+    Task<MemberPointMallRule?> GetRuleByStoreAsync(
+        long tenantId,
+        long storeId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增积分规则。
+    /// </summary>
+    Task AddRuleAsync(MemberPointMallRule entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新积分规则。
+    /// </summary>
+    Task UpdateRuleAsync(MemberPointMallRule entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询兑换商品列表。
+    /// </summary>
+    Task<IReadOnlyList<MemberPointMallProduct>> SearchProductsAsync(
+        long tenantId,
+        long storeId,
+        MemberPointMallProductStatus? status,
+        string? keyword,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按标识查询兑换商品（追踪）。
+    /// </summary>
+    Task<MemberPointMallProduct?> FindProductByIdAsync(
+        long tenantId,
+        long storeId,
+        long productId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按标识查询兑换商品（只读）。
+    /// </summary>
+    Task<MemberPointMallProduct?> GetProductByIdAsync(
+        long tenantId,
+        long storeId,
+        long productId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增兑换商品。
+    /// </summary>
+    Task AddProductAsync(MemberPointMallProduct entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新兑换商品。
+    /// </summary>
+    Task UpdateProductAsync(MemberPointMallProduct entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除兑换商品。
+    /// </summary>
+    Task DeleteProductAsync(MemberPointMallProduct entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询商品是否已有兑换记录。
+    /// </summary>
+    Task<bool> HasRecordsByProductIdAsync(
+        long tenantId,
+        long storeId,
+        long pointMallProductId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 统计会员在某商品上的有效兑换次数（排除已取消）。
+    /// </summary>
+    Task<int> CountMemberRedeemsByProductAsync(
+        long tenantId,
+        long storeId,
+        long pointMallProductId,
+        long memberId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询兑换记录分页。
+    /// </summary>
+    Task<(IReadOnlyList<MemberPointMallRecord> Items, int TotalCount)> SearchRecordsAsync(
+        long tenantId,
+        long storeId,
+        MemberPointMallRedeemType? redeemType,
+        MemberPointMallRecordStatus? status,
+        DateTime? startUtc,
+        DateTime? endUtc,
+        string? keyword,
+        int page,
+        int pageSize,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询兑换记录详情。
+    /// </summary>
+    Task<MemberPointMallRecord?> GetRecordByIdAsync(
+        long tenantId,
+        long storeId,
+        long recordId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询兑换记录（追踪）。
+    /// </summary>
+    Task<MemberPointMallRecord?> FindRecordByIdAsync(
+        long tenantId,
+        long storeId,
+        long recordId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询兑换记录导出数据。
+    /// </summary>
+    Task<IReadOnlyList<MemberPointMallRecord>> ListRecordsForExportAsync(
+        long tenantId,
+        long storeId,
+        MemberPointMallRedeemType? redeemType,
+        MemberPointMallRecordStatus? status,
+        DateTime? startUtc,
+        DateTime? endUtc,
+        string? keyword,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增兑换记录。
+    /// </summary>
+    Task AddRecordAsync(MemberPointMallRecord entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 更新兑换记录。
+    /// </summary>
+    Task UpdateRecordAsync(MemberPointMallRecord entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增积分流水。
+    /// </summary>
+    Task AddPointLedgerAsync(MemberPointLedger entity, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询规则页统计。
+    /// </summary>
+    Task<MemberPointMallRuleStatsSnapshot> GetRuleStatsAsync(
+        long tenantId,
+        long storeId,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询记录页统计。
+    /// </summary>
+    Task<MemberPointMallRecordStatsSnapshot> GetRecordStatsAsync(
+        long tenantId,
+        long storeId,
+        DateTime nowUtc,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 查询商品聚合统计快照。
+    /// </summary>
+    Task<Dictionary<long, MemberPointMallProductAggregateSnapshot>> GetProductAggregatesAsync(
+        long tenantId,
+        long storeId,
+        IReadOnlyCollection<long> pointMallProductIds,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 持久化变更。
+    /// </summary>
+    Task SaveChangesAsync(CancellationToken cancellationToken = default);
+}
+
+/// <summary>
+/// 积分商城规则页统计快照。
+/// </summary>
+public sealed record MemberPointMallRuleStatsSnapshot
+{
+    /// <summary>
+    /// 累计发放积分。
+    /// </summary>
+    public int TotalIssuedPoints { get; init; }
+
+    /// <summary>
+    /// 已兑换积分。
+    /// </summary>
+    public int RedeemedPoints { get; init; }
+
+    /// <summary>
+    /// 积分用户数。
+    /// </summary>
+    public int PointMembers { get; init; }
+
+    /// <summary>
+    /// 兑换率（0-100）。
+    /// </summary>
+    public decimal RedeemRate { get; init; }
+}
+
+/// <summary>
+/// 积分商城记录页统计快照。
+/// </summary>
+public sealed record MemberPointMallRecordStatsSnapshot
+{
+    /// <summary>
+    /// 今日兑换数量。
+    /// </summary>
+    public int TodayRedeemCount { get; init; }
+
+    /// <summary>
+    /// 待领取实物数量。
+    /// </summary>
+    public int PendingPhysicalCount { get; init; }
+
+    /// <summary>
+    /// 本月消耗积分。
+    /// </summary>
+    public int CurrentMonthUsedPoints { get; init; }
+}
+
+/// <summary>
+/// 积分商城商品聚合快照。
+/// </summary>
+public sealed record MemberPointMallProductAggregateSnapshot
+{
+    /// <summary>
+    /// 商品标识。
+    /// </summary>
+    public required long PointMallProductId { get; init; }
+
+    /// <summary>
+    /// 已兑换数量。
+    /// </summary>
+    public int RedeemedCount { get; init; }
+}