public async Task <bool> CreateAsync(SpiderDto viewModel)
{
if (ModelState.IsValid)
{
var exists = await _dockerCrawlerService.CountAsync <SpiderDto>(x =>
x.Name == viewModel.Name);
if (exists > 0)
{
ModelState.AddModelError("Name", "名称已经存在");
}
try
{
CrontabSchedule.Parse(viewModel.Cron);
}
catch
{
ModelState.AddModelError("Cron", "Cron 表达式不正确");
}
viewModel.CreationTime = DateTimeOffset.Now;
viewModel.LastModificationTime = DateTimeOffset.Now;
viewModel = await _dockerCrawlerService.AddAsync(viewModel);
var id = viewModel.Id;
return(true);
}
else
{
throw new ApplicationException("ModelState is invalid");
}
}
public async Task <bool> UpdateAsync(int id, SpiderDto viewModel)
{
if (ModelState.IsValid)
{
var spider = await _dockerCrawlerService.Get <SpiderDto>(x => x.Id == id);
if (spider == null)
{
throw new ApplicationException($"Spider {id} exists");
}
var exists = await _dockerCrawlerService.CountAsync <SpiderDto>(x =>
x.Name == viewModel.Name && x.Id != id);
if (exists > 0)
{
ModelState.AddModelError("Name", "名称已经存在");
}
try
{
CrontabSchedule.Parse(viewModel.Cron);
}
catch
{
ModelState.AddModelError("Cron", "Cron 表达式不正确");
}
spider.Name = viewModel.Name;
spider.Cron = viewModel.Cron;
spider.Image = viewModel.Image;
spider.Volume = viewModel.Volume;
spider.Environment = viewModel.Environment;
spider.LastModificationTime = DateTimeOffset.Now;
await _dockerCrawlerService.AddOrUpdate <SpiderDto, int>(spider);
_recurringJobManager.RemoveIfExists(spider.Name);
await ScheduleJobAsync(spider);
return(true);
}
else
{
throw new ApplicationException("ModelState is invalid");
}
}
private async Task ScheduleJobAsync(SpiderDto spider)
{
_recurringJobManager.AddOrUpdate <JobService>(spider.Name, x => x.ExecuteJob(spider.Id), spider.Cron, TimeZoneInfo.Local);
await Task.CompletedTask;
}
