CopyTaskTemplateCommandHandler.cs
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using MassTransit;
using Microsoft.Extensions.Logging;
using Rcs.Application.Common;
using Rcs.Application.MessageBus.Commands;
using Rcs.Domain.Entities;
using Rcs.Domain.Repositories;
namespace Rcs.Infrastructure.MessageBus.Handlers.Commands;
public class CopyTaskTemplateCommandHandler : IConsumer<CopyTaskTemplateCommand>
{
private readonly ILogger<CopyTaskTemplateCommandHandler> _logger;
private readonly ITaskTemplateRepository _taskTemplateRepository;
public CopyTaskTemplateCommandHandler(
ILogger<CopyTaskTemplateCommandHandler> logger,
ITaskTemplateRepository taskTemplateRepository)
{
_logger = logger;
_taskTemplateRepository = taskTemplateRepository;
}
public async Task Consume(ConsumeContext<CopyTaskTemplateCommand> context)
{
var command = context.Message;
try
{
var sourceTemplate = await _taskTemplateRepository.GetWithFullDetailsAsync(
command.TemplateId,
context.CancellationToken);
if (sourceTemplate == null)
{
await context.RespondAsync(ApiResponse.Failed("未找到指定的任务模板"));
return;
}
var suffix = $"_C{DateTime.Now:MMddHHmmss}";
var maxBaseLength = 50 - suffix.Length;
var baseCode = sourceTemplate.TemplateCode.Length > maxBaseLength
? sourceTemplate.TemplateCode.Substring(0, maxBaseLength)
: sourceTemplate.TemplateCode;
var newTemplateCode = $"{baseCode}{suffix}";
var newTemplate = TaskTemplate.Create(
newTemplateCode,
$"{sourceTemplate.TemplateName} (副本)",
sourceTemplate.RobotType,
sourceTemplate.Description,
sourceTemplate.Manufacturer,
sourceTemplate.IsEnabled
);
await _taskTemplateRepository.AddAsync(newTemplate, context.CancellationToken);
await _taskTemplateRepository.SaveChangesAsync(context.CancellationToken);
await context.RespondAsync(ApiResponse.Successful());
}
catch (Exception ex)
{
await context.RespondAsync(ApiResponse.Failed(ex.Message));
}
}
}