feat: 新增规格做法模板管理接口与数据模型

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductSpecTemplate.cs

@@ -0,0 +1,45 @@
+using TakeoutSaaS.Domain.Products.Enums;
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Products.Entities;
+
+/// <summary>
+/// 门店规格做法模板。
+/// </summary>
+public sealed class ProductSpecTemplate : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 所属门店。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 模板名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 模板类型。
+    /// </summary>
+    public ProductSpecTemplateType TemplateType { get; set; } = ProductSpecTemplateType.Spec;
+
+    /// <summary>
+    /// 选择方式。
+    /// </summary>
+    public AttributeSelectionType SelectionType { get; set; } = AttributeSelectionType.Single;
+
+    /// <summary>
+    /// 是否必选。
+    /// </summary>
+    public bool IsRequired { get; set; } = true;
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+
+    /// <summary>
+    /// 是否启用。
+    /// </summary>
+    public bool IsEnabled { get; set; } = true;
+}

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductSpecTemplateOption.cs

@@ -0,0 +1,29 @@
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Products.Entities;
+
+/// <summary>
+/// 规格做法模板选项。
+/// </summary>
+public sealed class ProductSpecTemplateOption : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 模板 ID。
+    /// </summary>
+    public long TemplateId { get; set; }
+
+    /// <summary>
+    /// 选项名称。
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 附加价格。
+    /// </summary>
+    public decimal ExtraPrice { get; set; }
+
+    /// <summary>
+    /// 排序值。
+    /// </summary>
+    public int SortOrder { get; set; } = 100;
+}

src/Domain/TakeoutSaaS.Domain/Products/Entities/ProductSpecTemplateProduct.cs

@@ -0,0 +1,24 @@
+using TakeoutSaaS.Shared.Abstractions.Entities;
+
+namespace TakeoutSaaS.Domain.Products.Entities;
+
+/// <summary>
+/// 规格做法模板与商品关联。
+/// </summary>
+public sealed class ProductSpecTemplateProduct : MultiTenantEntityBase
+{
+    /// <summary>
+    /// 所属门店。
+    /// </summary>
+    public long StoreId { get; set; }
+
+    /// <summary>
+    /// 模板 ID。
+    /// </summary>
+    public long TemplateId { get; set; }
+
+    /// <summary>
+    /// 商品 ID。
+    /// </summary>
+    public long ProductId { get; set; }
+}

src/Domain/TakeoutSaaS.Domain/Products/Enums/ProductSpecTemplateType.cs

@@ -0,0 +1,17 @@
+namespace TakeoutSaaS.Domain.Products.Enums;
+
+/// <summary>
+/// 规格做法模板类型。
+/// </summary>
+public enum ProductSpecTemplateType
+{
+    /// <summary>
+    /// 规格模板。
+    /// </summary>
+    Spec = 0,
+
+    /// <summary>
+    /// 做法模板。
+    /// </summary>
+    Method = 1
+}

src/Domain/TakeoutSaaS.Domain/Products/Repositories/IProductRepository.cs

@@ -43,6 +43,36 @@ public interface IProductRepository
     /// </summary>
     Task<Dictionary<long, int>> CountProductsByCategoryIdsAsync(long tenantId, long storeId, IReadOnlyCollection<long> categoryIds, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 按门店读取规格做法模板。
+    /// </summary>
+    Task<IReadOnlyList<ProductSpecTemplate>> GetSpecTemplatesByStoreAsync(long tenantId, long storeId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 依据标识读取规格做法模板。
+    /// </summary>
+    Task<ProductSpecTemplate?> FindSpecTemplateByIdAsync(long templateId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 判断门店内模板名称是否已存在。
+    /// </summary>
+    Task<bool> ExistsSpecTemplateNameAsync(long tenantId, long storeId, string name, long? excludeTemplateId = null, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按模板读取规格做法选项。
+    /// </summary>
+    Task<IReadOnlyList<ProductSpecTemplateOption>> GetSpecTemplateOptionsByTemplateIdsAsync(IReadOnlyCollection<long> templateIds, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 按模板读取模板关联商品。
+    /// </summary>
+    Task<IReadOnlyList<ProductSpecTemplateProduct>> GetSpecTemplateProductsByTemplateIdsAsync(IReadOnlyCollection<long> templateIds, long tenantId, long storeId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 过滤门店内真实存在的商品 ID。
+    /// </summary>
+    Task<IReadOnlyList<long>> FilterExistingProductIdsAsync(long tenantId, long storeId, IReadOnlyCollection<long> productIds, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 查询商品选择器列表。
     /// </summary>
@@ -160,6 +190,21 @@ public interface IProductRepository
     /// <returns>异步任务。</returns>
     Task AddCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 新增规格做法模板。
+    /// </summary>
+    Task AddSpecTemplateAsync(ProductSpecTemplate template, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增规格做法模板选项。
+    /// </summary>
+    Task AddSpecTemplateOptionsAsync(IEnumerable<ProductSpecTemplateOption> options, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 新增规格做法模板关联商品。
+    /// </summary>
+    Task AddSpecTemplateProductsAsync(IEnumerable<ProductSpecTemplateProduct> relations, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 新增商品。
     /// </summary>
@@ -242,6 +287,11 @@ public interface IProductRepository
     /// <returns>异步任务。</returns>
     Task UpdateCategoryAsync(ProductCategory category, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 更新规格做法模板。
+    /// </summary>
+    Task UpdateSpecTemplateAsync(ProductSpecTemplate template, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除分类。
     /// </summary>
@@ -251,6 +301,11 @@ public interface IProductRepository
     /// <returns>异步任务。</returns>
     Task DeleteCategoryAsync(long categoryId, long tenantId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 删除规格做法模板。
+    /// </summary>
+    Task DeleteSpecTemplateAsync(long templateId, long tenantId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除商品下的 SKU。
     /// </summary>
@@ -260,6 +315,16 @@ public interface IProductRepository
     /// <returns>异步任务。</returns>
     Task RemoveSkusAsync(long productId, long tenantId, CancellationToken cancellationToken = default);
 
+    /// <summary>
+    /// 删除模板下的规格做法选项。
+    /// </summary>
+    Task RemoveSpecTemplateOptionsAsync(long templateId, long tenantId, CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// 删除模板关联商品。
+    /// </summary>
+    Task RemoveSpecTemplateProductsAsync(long templateId, long tenantId, long storeId, CancellationToken cancellationToken = default);
+
     /// <summary>
     /// 删除商品下的加料组及选项。
     /// </summary>