/// <summary>
/// 获取下一个用僵尸刷订阅微博的任务
/// </summary>
/// <returns>满足任务触发条件的僵尸账户</returns>
public static LoginAccountEntity GetNextSubscribeJob()
{
LoginAccountEntity acc = null;
string where;
try
{
where = string.Format("IsDisabled=FALSE AND SubscribeStatus>=0 AND Status={0} AND FollowCount>0 AND (SubscribeNextTime IS NULL OR SubscribeNextTime<'{1}')", (sbyte)Enums.CrawlStatus.Normal, DateTime.Now);
acc = LoginAccountBusiness.GetTopByWhere(where, null, Palas.Common.Lib.DAL.LoginAccountMySqlDAL.OrderColumn.Default);
if (acc == null)
{
return(null);
}
acc.Status = (sbyte)Enums.CrawlStatus.Crawling;
return(acc);
}
catch (Exception ex)
{
Logger.Error(ex.ToString());
return(null);
}
finally
{
if (acc != null)
{
where = string.Format("AccountID='{0}'", acc.AccountID);
var param = new LoginAccountMySqlDAL.LoginAccountParameter[1];
param[0] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.Status, (sbyte)Enums.CrawlStatus.Crawling);
LoginAccountBusiness.UpdateWhere(param, where, null);
}
}
}
/// <summary>
/// 取消对某个用户的关注
/// </summary>
/// <param name="username">关注某个用户的僵尸账号</param>
/// <param name="targetAuthorID">需要被取消的用户ID</param>
/// <returns>是否取消成功</returns>
public static bool UnFollowUser(string targetAuthorID)
{
string username = AuthorDBManager.GetUsernameFollowing(targetAuthorID);
if (username == null)
{
return(false);
}
string where = string.Format("UserName='******'", username);
LoginAccountEntity acc = null;
try
{
acc = LoginAccountBusiness.GetTopByWhere(where, null, LoginAccountMySqlDAL.OrderColumn.Default);
if (acc == null)
{
return(false);
}
try
{
WeiboAPI.UnFollowUser(username, targetAuthorID);
}
catch (WeiboException ex)
{
Logger.Error(ex.ToString());
acc.FailCount++;
if (acc.FailCount > DefaultSettings.MaxFailureCount)
{
acc.IsDisabled = true;
}
return(false);
}
acc.FollowCount--;
AuthorDBManager.UnSubscribeAuthor(targetAuthorID);
return(true);
}
catch (Exception ex)
{
Logger.Error(ex.ToString());
return(false);
}
finally
{
if (acc != null)
{
var param = new LoginAccountMySqlDAL.LoginAccountParameter[3];
param[0] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.FollowCount, acc.FollowCount);
param[1] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.FailCount, acc.FailCount);
param[2] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.IsDisabled, acc.IsDisabled);
LoginAccountBusiness.UpdateWhere(param, where, null);
}
}
}
/// <summary>
/// 僵尸刷订阅微博的任务完成后，处理后事
/// </summary>
/// <param name="a">僵尸账户</param>
public static void PushbackSubscribeJob(LoginAccountEntity acc)
{
try
{
string where = string.Format("AccountID='{0}'", acc.AccountID);
var param = new LoginAccountMySqlDAL.LoginAccountParameter[4];
param[0] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.Status, (sbyte)Enums.CrawlStatus.Normal);
param[1] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.SubscribeLastTime, DateTime.Now);
param[2] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.SubscribeNextTime, DateTime.Now.AddMinutes(acc.SubscribeIntervalMins));
param[3] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.SubscribeSinceID, acc.SubscribeSinceID);
LoginAccountBusiness.UpdateWhere(param, where, null);
}
catch (Exception ex)
{
Logger.Error(ex.ToString());
}
}
/// <summary>
/// 获取用户最新的若干微博
/// </summary>
/// <param name="account">用来订阅的僵尸账号</param>
/// <param name="result">返回结果</param>
public static void FetchStatus(LoginAccountEntity account, List <NetDimension.Weibo.Entities.status.Entity> result)
{
int cur = 1;
string sinceID = account.SubscribeSinceID;
do
{
try
{
RequireAccPermission(1);
var statuslist = GetSpecificClient(account.UserName).API.Entity.Statuses.HomeTimeline(sinceID, "", 50, cur++);
if (statuslist == null || statuslist.Statuses == null)
{
break;
}
foreach (var status in statuslist.Statuses)
{
result.Add(status);
try
{
//更新sinceID
if (string.IsNullOrEmpty(account.SubscribeSinceID) || Int64.Parse(status.ID) > Int64.Parse(account.SubscribeSinceID))
{
account.SubscribeSinceID = status.ID;
}
}
catch (Exception) { throw new WeiboException("ID数字格式错误"); }
}
if (statuslist.NextCursor == "0" || statuslist.NextCursor == null)
{
break;
}
}
catch (WeiboException ex)
{
if (ex.ErrorCode == "00000")
{
break;
}
else
{
throw ex;
}
}
} while (true);
}
public string DoOneJob(IPipeline Pipeline)
{
int SuccCount = 0, ErrCount = 0;
DateTime nextWorkTime = Utilities.Epoch;
while (!StopFlag)
{
if (DateTime.Now > nextWorkTime)
{
LoginAccountEntity account = GetNextJob();
if (account != null)
{
try
{
//刷新订阅的微博
List <NetDimension.Weibo.Entities.status.Entity> result = new List <NetDimension.Weibo.Entities.status.Entity>();
try
{
SendMsg(string.Format("正在刷新{0}关注的最新微博", account.UserName));
WeiboAPI.FetchStatus(account, result);
}
catch (IOException)
{
ErrCount++;
nextWorkTime = WeiboAPI.rateLimitStatus.ResetTime;
}
catch (Exception ex)
{
SendMsg("获取新微博时发生错误，见日志");
ErrCount++;
nextWorkTime = WeiboAPI.rateLimitStatus.ResetTime;
SendMsg(ex.ToString());
Logger.Error(ex.ToString());
}
SendMsg(string.Format("{0}关注的微博抓取到{1}条，开始插入", account.UserName, result.Count));
for (int i = 0; i < result.Count; ++i)
{
var item = ItemDBManager.ConvertToItem(result[i], Enums.AuthorSource.PublicLeader, CrawlID);
ItemDBManager.InsertOrUpdateItem(item);
CntData.Tick();
}
SendMsg(string.Format("{0}的关注微博刷新任务完成", account.UserName));
SuccCount++;
continue;
}
catch (Exception ex)
{
ErrCount++;
nextWorkTime = WeiboAPI.rateLimitStatus.ResetTime;
SendMsg(ex.ToString());
Logger.Error(ex.ToString());
}
finally
{
AccountDBManager.PushbackSubscribeJob(account);
}
}
}
SendMsg(string.Format("休息{0}秒", IntervalMS / 1000));
Thread.Sleep(IntervalMS);
}
StopFlag = false;
return(SuccCount == 0 && ErrCount == 0 ? "Nothing to do" : string.Format("OneJob Done. Succ {0} Err {1}", SuccCount, ErrCount));
}
/// <summary>
/// 订阅某个用户
/// </summary>
/// <param name="AuthorID">待订阅的用户ID</param>
/// <returns>订阅结果枚举</returns>
public static FollowStatus FollowUser(string AuthorID)
{
string where;
LoginAccountEntity acc = null;
try
{
where = string.Format("IsDisabled=FALSE AND AuthorID IS NOT NULL AND SubscribeStatus>=0 AND FollowCountToday<{0} AND FollowCount<{1} AND SubscribeLastTime<'{2}'", DefaultSettings.FollowLimitPerDay, DefaultSettings.MaxFriendsCnt, DateTime.Now.Subtract(new TimeSpan(0, 6, 0)));
acc = LoginAccountBusiness.GetTopByWhere(where, null, LoginAccountMySqlDAL.OrderColumn.Default);
if (acc == null)
{
return(FollowStatus.Shortage);
}
try
{
Console.WriteLine(string.Format("使用账号{0}进行关注", acc.UserName));
WeiboAPI.FollowUser(acc.UserName, AuthorID);
}
catch (WeiboException ex)
{
switch (ex.ErrorCode)
{
case "20036":
Console.WriteLine("关注次数IP限制");
break;
case "20003":
AuthorDBManager.UnSubscribeAuthor(AuthorID);
Logger.Error(ex.ToString());
acc.FailCount++;
if (acc.FailCount > DefaultSettings.MaxFailureCount)
{
acc.IsDisabled = true;
}
Console.WriteLine("出现\"用户不存在\"异常，已取消关注该用户，请手工确保账号有效");
break;
default:
acc.FailCount++;
if (acc.FailCount > DefaultSettings.MaxFailureCount)
{
acc.IsDisabled = true;
}
acc.FollowCountToday = DefaultSettings.FollowLimitPerDay;
Logger.Error(ex.ToString());
break;
}
return(FollowStatus.Exception);
}
catch (Exception ex)
{
Logger.Error(ex.ToString()); return(FollowStatus.Exception);
}
acc.FollowCount++;
acc.FollowCountToday++;
acc.SubscribeLastTime = DateTime.Now;
AuthorDBManager.SubscribeAuthor(acc.UserName, AuthorID);
return(FollowStatus.Succ);
}
catch (Exception ex) { Logger.Error(ex.ToString()); return(FollowStatus.Exception); }
finally
{
if (acc != null)
{
where = string.Format("AccountID='{0}'", acc.AccountID);
var param = new LoginAccountMySqlDAL.LoginAccountParameter[5];
param[0] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.FollowCount, acc.FollowCount);
param[1] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.FollowCountToday, acc.FollowCountToday);
param[2] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.FailCount, acc.FailCount);
param[3] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.IsDisabled, acc.IsDisabled);
param[4] = new LoginAccountMySqlDAL.LoginAccountParameter(Palas.Common.Lib.DTO.LoginAccountDTO.Column.SubscribeLastTime, acc.SubscribeLastTime);
LoginAccountBusiness.UpdateWhere(param, where, null);
}
}
}
