feat: 扩展领域模型与配置

src/Domain/TakeoutSaaS.Domain/Deliveries/Entities/DeliveryEvent.cs

@@ -0,0 +1,35 @@
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Deliveries.Entities;
+
+/// <summary>
+/// 配送状态事件流水。
+/// </summary>
+public sealed class DeliveryEvent : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 配送单标识。
+    /// </summary>
+    public Guid DeliveryOrderId { get; set; }
+
+    /// <summary>
+    /// 事件类型。
+    /// </summary>
+    public DeliveryEventType EventType { get; set; } = DeliveryEventType.Updated;
+
+    /// <summary>
+    /// 事件描述。
+    /// </summary>
+    public string Message { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 原始数据 JSON。
+    /// </summary>
+    public string? Payload { get; set; }
+
+    /// <summary>
+    /// 发生时间。
+    /// </summary>
+    public DateTime OccurredAt { get; set; } = DateTime.UtcNow;
+}

src/Domain/TakeoutSaaS.Domain/Deliveries/Entities/DeliveryOrder.cs

@@ -0,0 +1,62 @@
+using TakeoutSaaS.Domain.Deliveries.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Deliveries.Entities;
+
+/// <summary>
+/// 配送单。
+/// </summary>
+public sealed class DeliveryOrder : MultiTenantEntityBase
+{
+    public Guid OrderId { get; set; }
+
+    /// <summary>
+    /// 配送服务商。
+    /// </summary>
+    public DeliveryProvider Provider { get; set; } = DeliveryProvider.InHouse;
+
+    /// <summary>
+    /// 第三方配送单号。
+    /// </summary>
+    public string? ProviderOrderId { get; set; }
+
+    /// <summary>
+    /// 状态。
+    /// </summary>
+    public DeliveryStatus Status { get; set; } = DeliveryStatus.Pending;
+
+    /// <summary>
+    /// 配送费。
+    /// </summary>
+    public decimal? DeliveryFee { get; set; }
+
+    /// <summary>
+    /// 骑手姓名。
+    /// </summary>
+    public string? CourierName { get; set; }
+
+    /// <summary>
+    /// 骑手电话。
+    /// </summary>
+    public string? CourierPhone { get; set; }
+
+    /// <summary>
+    /// 下发时间。
+    /// </summary>
+    public DateTime? DispatchedAt { get; set; }
+
+    /// <summary>
+    /// 取餐时间。
+    /// </summary>
+    public DateTime? PickedUpAt { get; set; }
+
+    /// <summary>
+    /// 完成时间。
+    /// </summary>
+    public DateTime? DeliveredAt { get; set; }
+
+    /// <summary>
+    /// 异常原因。
+    /// </summary>
+    public string? FailureReason { get; set; }
+}

src/Domain/TakeoutSaaS.Domain/Deliveries/Enums/DeliveryEventType.cs

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+namespace TakeoutSaaS.Domain.Deliveries.Enums;
+
+/// <summary>
+/// 配送事件类型。
+/// </summary>
+public enum DeliveryEventType
+{
+    /// <summary>
+    /// 状态更新。
+    /// </summary>
+    Updated = 0,
+
+    /// <summary>
+    /// 渠道回调。
+    /// </summary>
+    Callback = 1,
+
+    /// <summary>
+    /// 加价或异常通知。
+    /// </summary>
+    Exception = 2
+}

src/Domain/TakeoutSaaS.Domain/Deliveries/Enums/DeliveryProvider.cs

@@ -0,0 +1,14 @@
+namespace TakeoutSaaS.Domain.Deliveries.Enums;
+
+/// <summary>
+/// 配送服务商类型。
+/// </summary>
+public enum DeliveryProvider
+{
+    InHouse = 0,
+    Dada = 1,
+    FlashEx = 2,
+    Meituan = 3,
+    Eleme = 4,
+    Shunfeng = 5
+}

src/Domain/TakeoutSaaS.Domain/Deliveries/Enums/DeliveryStatus.cs

@@ -0,0 +1,15 @@
+namespace TakeoutSaaS.Domain.Deliveries.Enums;
+
+/// <summary>
+/// 配送状态。
+/// </summary>
+public enum DeliveryStatus
+{
+    Pending = 0,
+    Accepted = 1,
+    PickingUp = 2,
+    Delivering = 3,
+    Completed = 4,
+    Cancelled = 5,
+    Failed = 6
+}