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2026-10-08 10:43:59 +08:00
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+using F9WebAiTest.Application.Common.Exceptions;
+using F9WebAiTest.Application.Interfaces.SnowflakeID;
+using F9WebAiTest.Domain.Entities.SYS.Departments;
+using F9WebAiTest.Domain.Enums.SYS.Departments;
+using F9WebAiTest.Domain.Interfaces.SYS.Departments;
+using MediatR;
+
+namespace F9WebAiTest.Application.CQRS.SYS.Departments.Commands;
+
+/// <summary>命令定义</summary>
+public record Department_CreateCommand(string Code, string Name, long ParentId, Department_ManageType_Enum ManageType, Department_DutyType_Enum DutyType, int SortOrder, string Description) : IRequest<long>;
+
+/// <summary>命令处理器</summary>
+public class CreateDepartmentCommandHandler(
+    IDepartmentWriteRepository departmentRepository,
+    ISnowflakeIdGenerator snowflakeIdGenerator,
+    IPublisher eventBus) : IRequestHandler<Department_CreateCommand, long>
+{
+    public async Task<long> Handle(Department_CreateCommand command, CancellationToken cancellationToken)
+    {
+        if (string.IsNullOrWhiteSpace(command.Code)) throw new F9OperationException("部门编码不能为空");
+        if (string.IsNullOrWhiteSpace(command.Name)) throw new F9OperationException("部门名称不能为空");
+
+        var dep = new Department(snowflakeIdGenerator.CreateId(), command.Code, command.Name, command.ParentId,
+            command.ManageType, command.DutyType, command.SortOrder, command.Description);
+
+        var result = await departmentRepository.AddAsync(dep);
+        if (result == false) throw new F9OperationException("部门", "新增");
+
+        foreach (var de in dep.DomainEvents) await eventBus.Publish(de, cancellationToken);
+        dep.ClearDomainEvents();
+
+        return dep.Id;
+    }
+}