feat：商户管理

src/Application/TakeoutSaaS.Application/App/Merchants/MerchantMapping.cs

@@ -1,5 +1,6 @@
 using TakeoutSaaS.Application.App.Merchants.Dto;
 using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Stores.Entities;
 
 namespace TakeoutSaaS.Application.App.Merchants;
 
@@ -28,6 +29,53 @@ internal static class MerchantMapping
         CreatedAt = merchant.CreatedAt
     };
 
+    /// <summary>
+    /// 将商户实体映射为列表项 DTO。
+    /// </summary>
+    public static MerchantListItemDto ToListItemDto(Merchant merchant, string? tenantName, int storeCount) => new()
+    {
+        Id = merchant.Id,
+        TenantId = merchant.TenantId,
+        TenantName = tenantName,
+        Name = merchant.BrandName,
+        OperatingMode = merchant.OperatingMode,
+        LicenseNumber = merchant.BusinessLicenseNumber,
+        Status = merchant.Status,
+        IsFrozen = merchant.IsFrozen,
+        StoreCount = storeCount,
+        CreatedAt = merchant.CreatedAt,
+        UpdatedAt = merchant.UpdatedAt
+    };
+
+    /// <summary>
+    /// 将商户实体映射为详情 DTO。
+    /// </summary>
+    public static MerchantDetailDto ToDetailDto(Merchant merchant, string? tenantName, IReadOnlyList<StoreDto> stores) => new()
+    {
+        Id = merchant.Id,
+        TenantId = merchant.TenantId,
+        TenantName = tenantName,
+        Name = merchant.BrandName,
+        OperatingMode = merchant.OperatingMode,
+        LicenseNumber = merchant.BusinessLicenseNumber,
+        LegalRepresentative = merchant.LegalPerson,
+        RegisteredAddress = merchant.Address,
+        ContactPhone = merchant.ContactPhone,
+        ContactEmail = merchant.ContactEmail,
+        Status = merchant.Status,
+        IsFrozen = merchant.IsFrozen,
+        FrozenReason = merchant.FrozenReason,
+        FrozenAt = merchant.FrozenAt,
+        ApprovedBy = merchant.ApprovedBy,
+        ApprovedAt = merchant.ApprovedAt,
+        Stores = stores,
+        RowVersion = merchant.RowVersion,
+        CreatedAt = merchant.CreatedAt,
+        CreatedBy = merchant.CreatedBy,
+        UpdatedAt = merchant.UpdatedAt,
+        UpdatedBy = merchant.UpdatedBy
+    };
+
     /// <summary>
     /// 将商户证照实体映射为 DTO。
     /// </summary>
@@ -76,12 +124,42 @@ internal static class MerchantMapping
         Id = log.Id,
         MerchantId = log.MerchantId,
         Action = log.Action,
+        OperatorId = log.OperatorId,
         Title = log.Title,
         Description = log.Description,
         OperatorName = log.OperatorName,
+        IpAddress = log.IpAddress,
         CreatedAt = log.CreatedAt
     };
 
+    /// <summary>
+    /// 将商户变更日志实体映射为 DTO。
+    /// </summary>
+    public static MerchantChangeLogDto ToDto(MerchantChangeLog log) => new()
+    {
+        Id = log.Id,
+        FieldName = log.FieldName,
+        OldValue = log.OldValue,
+        NewValue = log.NewValue,
+        ChangedBy = log.ChangedBy,
+        ChangedByName = log.ChangedByName,
+        ChangedAt = log.CreatedAt,
+        ChangeReason = log.ChangeReason
+    };
+
+    /// <summary>
+    /// 将门店实体映射为 DTO。
+    /// </summary>
+    public static StoreDto ToStoreDto(Store store) => new()
+    {
+        Id = store.Id,
+        Name = store.Name,
+        LicenseNumber = store.BusinessLicenseNumber,
+        ContactPhone = store.Phone,
+        Address = store.Address,
+        Status = store.Status
+    };
+
     /// <summary>
     /// 将商户分类实体映射为 DTO。
     /// </summary>
@@ -119,4 +197,10 @@ internal static class MerchantMapping
     /// <returns>分类 DTO 列表。</returns>
     public static IReadOnlyList<MerchantCategoryDto> ToCategoryDtos(IEnumerable<MerchantCategory> categories)
         => categories.Select(ToDto).ToList();
+
+    /// <summary>
+    /// 将门店集合映射为 DTO 集合。
+    /// </summary>
+    public static IReadOnlyList<StoreDto> ToStoreDtos(IEnumerable<Store> stores)
+        => stores.Select(ToStoreDto).ToList();
 }