feat: 实现字典管理后端

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryGroupRequest.cs

@@ -26,6 +26,11 @@ public sealed class CreateDictionaryGroupRequest
     [Required]
     public DictionaryScope Scope { get; set; } = DictionaryScope.Business;
 
+    /// <summary>
+    /// 是否允许租户覆盖。
+    /// </summary>
+    public bool AllowOverride { get; set; }
+
     /// <summary>
     /// 描述信息。
     /// </summary>

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/CreateDictionaryItemRequest.cs

@@ -19,14 +19,14 @@ public sealed class CreateDictionaryItemRequest
     /// <summary>
     /// 字典项键。
     /// </summary>
-    [Required, MaxLength(64)]
+    [Required, MaxLength(128)]
     public string Key { get; set; } = string.Empty;
 
     /// <summary>
     /// 字典项值。
     /// </summary>
-    [Required, MaxLength(256)]
-    public string Value { get; set; } = string.Empty;
+    [Required]
+    public Dictionary<string, string> Value { get; set; } = new(StringComparer.OrdinalIgnoreCase);
 
     /// <summary>
     /// 是否默认项。

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryGroupQuery.cs

@@ -12,6 +12,36 @@ public sealed class DictionaryGroupQuery
     /// </summary>
     public DictionaryScope? Scope { get; set; }
 
+    /// <summary>
+    /// 关键字（匹配编码或名称）。
+    /// </summary>
+    public string? Keyword { get; set; }
+
+    /// <summary>
+    /// 启用状态过滤。
+    /// </summary>
+    public bool? IsEnabled { get; set; }
+
+    /// <summary>
+    /// 分页页码。
+    /// </summary>
+    public int Page { get; set; } = 1;
+
+    /// <summary>
+    /// 分页大小。
+    /// </summary>
+    public int PageSize { get; set; } = 20;
+
+    /// <summary>
+    /// 排序字段。
+    /// </summary>
+    public string? SortBy { get; set; }
+
+    /// <summary>
+    /// 排序方向（asc/desc）。
+    /// </summary>
+    public string? SortOrder { get; set; }
+
     /// <summary>
     /// 是否包含字典项。
     /// </summary>

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryImportRequest.cs

@@ -0,0 +1,34 @@
+using TakeoutSaaS.Domain.Dictionary.Enums;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 字典导入请求。
+/// </summary>
+public sealed class DictionaryImportRequest
+{
+    /// <summary>
+    /// 分组 ID。
+    /// </summary>
+    public long GroupId { get; init; }
+
+    /// <summary>
+    /// 文件名称。
+    /// </summary>
+    public string FileName { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 文件大小（字节）。
+    /// </summary>
+    public long FileSize { get; init; }
+
+    /// <summary>
+    /// 冲突解决模式。
+    /// </summary>
+    public ConflictResolutionMode ConflictMode { get; init; } = ConflictResolutionMode.Skip;
+
+    /// <summary>
+    /// 文件流。
+    /// </summary>
+    public Stream FileStream { get; init; } = Stream.Null;
+}

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideHiddenItemsRequest.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典覆盖隐藏项请求。
+/// </summary>
+public sealed class DictionaryOverrideHiddenItemsRequest
+{
+    /// <summary>
+    /// 需要隐藏的系统字典项 ID 列表。
+    /// </summary>
+    [Required]
+    public long[] HiddenItemIds { get; set; } = Array.Empty<long>();
+}

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/DictionaryOverrideSortOrderRequest.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace TakeoutSaaS.Application.Dictionary.Contracts;
+
+/// <summary>
+/// 更新字典覆盖排序请求。
+/// </summary>
+public sealed class DictionaryOverrideSortOrderRequest
+{
+    /// <summary>
+    /// 排序配置（字典项 ID -> 排序值）。
+    /// </summary>
+    [Required]
+    public Dictionary<long, int> SortOrder { get; set; } = new();
+}

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryGroupRequest.cs

@@ -19,8 +19,18 @@ public sealed class UpdateDictionaryGroupRequest
     [MaxLength(512)]
     public string? Description { get; set; }
 
+    /// <summary>
+    /// 是否允许租户覆盖。
+    /// </summary>
+    public bool AllowOverride { get; set; }
+
     /// <summary>
     /// 是否启用。
     /// </summary>
     public bool IsEnabled { get; set; } = true;
+
+    /// <summary>
+    /// 行版本，用于并发控制。
+    /// </summary>
+    public byte[]? RowVersion { get; set; }
 }

src/Application/TakeoutSaaS.Application/Dictionary/Contracts/UpdateDictionaryItemRequest.cs

@@ -7,11 +7,17 @@ namespace TakeoutSaaS.Application.Dictionary.Contracts;
 /// </summary>
 public sealed class UpdateDictionaryItemRequest
 {
+    /// <summary>
+    /// 字典项键。
+    /// </summary>
+    [Required, MaxLength(128)]
+    public string Key { get; set; } = string.Empty;
+
     /// <summary>
     /// 字典项值。
     /// </summary>
-    [Required, MaxLength(256)]
-    public string Value { get; set; } = string.Empty;
+    [Required]
+    public Dictionary<string, string> Value { get; set; } = new(StringComparer.OrdinalIgnoreCase);
 
     /// <summary>
     /// 是否默认项。
@@ -33,4 +39,9 @@ public sealed class UpdateDictionaryItemRequest
     /// </summary>
     [MaxLength(512)]
     public string? Description { get; set; }
+
+    /// <summary>
+    /// 行版本，用于并发控制。
+    /// </summary>
+    public byte[]? RowVersion { get; set; }
 }