feat: 系统参数应用层与验证

src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/CreateSystemParameterCommandValidator.cs

@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 创建系统参数命令验证器。
+/// </summary>
+public sealed class CreateSystemParameterCommandValidator : AbstractValidator<CreateSystemParameterCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public CreateSystemParameterCommandValidator()
+    {
+        RuleFor(x => x.Key).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Value).NotEmpty();
+        RuleFor(x => x.Description).MaximumLength(512);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}

src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/SearchSystemParametersQueryValidator.cs

@@ -0,0 +1,21 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Queries;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 系统参数列表查询验证器。
+/// </summary>
+public sealed class SearchSystemParametersQueryValidator : AbstractValidator<SearchSystemParametersQuery>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public SearchSystemParametersQueryValidator()
+    {
+        RuleFor(x => x.Page).GreaterThan(0);
+        RuleFor(x => x.PageSize).InclusiveBetween(1, 200);
+        RuleFor(x => x.Keyword).MaximumLength(256);
+        RuleFor(x => x.SortBy).MaximumLength(64);
+    }
+}

src/Application/TakeoutSaaS.Application/App/SystemParameters/Validators/UpdateSystemParameterCommandValidator.cs

@@ -0,0 +1,22 @@
+using FluentValidation;
+using TakeoutSaaS.Application.App.SystemParameters.Commands;
+
+namespace TakeoutSaaS.Application.App.SystemParameters.Validators;
+
+/// <summary>
+/// 更新系统参数命令验证器。
+/// </summary>
+public sealed class UpdateSystemParameterCommandValidator : AbstractValidator<UpdateSystemParameterCommand>
+{
+    /// <summary>
+    /// 初始化验证规则。
+    /// </summary>
+    public UpdateSystemParameterCommandValidator()
+    {
+        RuleFor(x => x.ParameterId).GreaterThan(0);
+        RuleFor(x => x.Key).NotEmpty().MaximumLength(128);
+        RuleFor(x => x.Value).NotEmpty();
+        RuleFor(x => x.Description).MaximumLength(512);
+        RuleFor(x => x.SortOrder).GreaterThanOrEqualTo(0);
+    }
+}