public Result <ConfigOfSpider> DeleteSpider(string spiderName)
{
return(Constraints.ServiceContext.ServiceDelegator.HandleTransactionEvent(Constraints.DbName, (session) =>
{
var config = ConfigOfSpiders.Configs.First(c => c.SpiderName == spiderName);
var spider = Spiders.First(c => c.SpiderName == config.SpiderName);
if (spider.DbDelete(session))
{
//配置文件删除
ConfigOfSpiders.Configs.Remove(config);
//缓存删除
Spiders.Remove(spider);
//变更当前选项
var currentSpider = ConfigOfSpiders.Configs.LastOrDefault();
if (currentSpider != null)
{
ChangeCurrentSpider(currentSpider.SpiderName);
}
ConfigOfSpiders.Save();
return new Result <ConfigOfSpider>()
{
ResultCode = EResultCode.Success, Data = currentSpider == null ? new ConfigOfSpider("") : currentSpider
};
}
else
{
return new Result <ConfigOfSpider>()
{
ResultCode = EResultCode.Failure
};
}
}));
}
public Result CopySpider(string orientSpiderName)
{
return(Constraints.ServiceContext.ServiceDelegator.HandleTransactionEvent(Constraints.DbName, (session) =>
{
//配置文件新增
var config = ConfigOfSpiders.Configs.First(c => c.SpiderName == orientSpiderName).Clone();
config.SpiderName = GetAvailableSpiderName(orientSpiderName);
//数据库新增
var spider = new TSpider();
if (spider.Create(session, config.SpiderName))
{
//配置文件新增
ConfigOfSpiders.Configs.Add(config);
//缓存新增
Spiders.Add(spider);
////变更当前选项
//ConfigOfSpiders.LatestSpiderConfigName = config.SpiderName;
//ChangeCurrentSpider(spider.SpiderName);
ConfigOfSpiders.Save();
return new Result()
{
ResultCode = EResultCode.Success
};
}
else
{
return new Result()
{
ResultCode = EResultCode.Failure
};
}
}));
}
public Result ChangeCurrentSpiderName(string spiderName)
{
return(Constraints.ServiceContext.ServiceDelegator.HandleTransactionEvent(Constraints.DbName, (session) =>
{
var config = ConfigOfSpiders.Configs.First(c => c.SpiderName == CurrentConfigOfSpider.SpiderName);
var spider = Spiders.First(c => c.SpiderName == CurrentConfigOfSpider.SpiderName);
if (spider.ChangeName(session, spiderName))
{
//配置文件变更
config.SpiderName = spiderName;
//最后选项变更
ConfigOfSpiders.LatestSpiderConfigName = spiderName;
ConfigOfSpiders.Save();
return new Result()
{
ResultCode = EResultCode.Success
};
}
else
{
return new Result()
{
ResultCode = EResultCode.Failure
};
}
}));
}
public Result <TSpider> AddSpider(string spiderName, bool addByEnter = false)
{
return(Constraints.ServiceContext.ServiceDelegator.HandleTransactionEvent(Constraints.DbName, (session) =>
{
//数据库新增
var spider = new TSpider();
if (spider.Create(session, spiderName))
{
//配置文件新增
var newSpiderConfig = new ConfigOfSpider(spiderName);
if (addByEnter)
{
ConfigOfSpiders.Configs.Add(newSpiderConfig);
}
ConfigOfSpiders.LatestSpiderConfigName = spiderName;
//变更当前选项
Spiders.Add(spider);
ChangeCurrentSpider(spider.SpiderName);
ConfigOfSpiders.Save();
return new Result <TSpider>()
{
Data = spider, ResultCode = EResultCode.Success
};
}
else
{
return new Result <TSpider>()
{
ResultCode = EResultCode.Failure
};
}
}));
}
public Result Init()
{
//检测服务依赖项
var checkResult = Constraints.CheckNodeReferences();
if (!checkResult.IsAllDependenciesAvailable)
{
return(new Result()
{
ResultCode = EResultCode.Error,
Message = checkResult.Message,
});
}
//没有配置文件时初始化生成
if (!File.Exists(ConfigOfSpiders.OutputFilePath))
{
ConfigOfSpiders.Save();
}
//加载所有配置
ConfigOfSpiders.Load();
var loadResult = LoadSpiders();
if (loadResult.ResultCode != EResultCode.Success)
{
return(loadResult);
}
var spiderName = ConfigOfSpiders.LatestSpiderConfigName;
if (ChangeCurrentSpider(ConfigOfSpiders.LatestSpiderConfigName).ResultCode != EResultCode.Success)
{
new Result <bool>()
{
ResultCode = EResultCode.Error,
Message = "更改当前的TSpider时出错"
};
}
return(new Result <bool>()
{
ResultCode = EResultCode.Success,
});
}
