/// <summary>
/// 准备报表数据
/// </summary>
private void PrepairReportData(MobileReportDownloadTask task)
{
//_loginInfo = TokenTransfer.GetLoginInfo(task.Token);
MobileReportEngine engine = new MobileReportEngine(task, _loginInfo);
_mobileReport = engine.GetAllReport(null, task.Condition);
}
/// <summary>
/// 按时间次序获取一个下载任务
/// </summary>
/// <returns>一个下载任务</returns>
public static MobileReportDownloadTask GetDownloadTask(U8LoginInfor loginInfo)
{
string sql = string.Format("SELECT TOP 1 * FROM dbo.UAP_MobileReportTask WHERE Status in( 0,1) ORDER BY CreatedOn");
DataSet ds = SqlHelper.ExecuteDataSet(loginInfo.UfDataCnnString, sql);
if (ds == null || ds.Tables.Count <= 0 || ds.Tables[0].Rows.Count <= 0)
{
return(null);
}
DataRow dr = ds.Tables[0].Rows[0];
var task = new MobileReportDownloadTask()
{
TaskId = dr["TaskID"].ToString(),
Status = int.Parse(dr["Status"].ToString()),
SolutionId = dr["SolutionID"].ToString(),
Condition = dr["Condition"].ToString(),
UserId = dr["UserID"].ToString(),
Url = dr["Url"].ToString(),
CreateOn = (DateTime)dr["CreatedOn"],
CompletedOn = (DateTime)dr["CompletedOn"],
Token = dr["Token"].ToString(),
SubId = dr["subid"].ToString(),
Pass = dr["pass"].ToString(),
AppServer = dr["appserver"].ToString(),
AccId = dr["accid"].ToString(),
DataSource = dr["datasource"].ToString(),
Syear = dr["syear"].ToString(),
Sdate = dr["sdate"].ToString()
};
sql =
string.Format("UPDATE dbo.UAP_MobileReportTask SET Status = '{0}' WHERE TaskID = '{1}'", "1", task.TaskId);
SqlHelper.ExecuteNonQuery(loginInfo.UfDataCnnString, sql);
return(task);
}
/// <summary>
/// 销毁当前任务
/// </summary>
internal void DestroyTask()
{
PrepairReportDataError(this._task, this._loginInfo);
this._loginInfo = null;
this._mobileReport = null;
this._task = null;
this.Busy = false;
}
/// <summary>
/// 如果在准备数据时发生异常，则将报表下载任务状态置为6，等待前端删除或者重新下载
/// </summary>
/// <param name="task">报表下载任务</param>
private static void PrepairReportDataError(MobileReportDownloadTask task, U8LoginInfor login)
{
if (task != null && login != null)
{
string sql =
string.Format("UPDATE dbo.UAP_MobileReportTask SET Status = 6 WHERE TaskID = '{0}'", task.TaskId);
SqlHelper.ExecuteNonQuery(login.UfDataCnnString, sql);
}
}
/// <summary>
/// 启动定时任务，执行报表计算任务
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private bool GoTask(MobileReportDownloadTask task)
{
this._loginInfo = ConstructLogin(task);
// 1.查询报表
try
{
PrepairReportData(task);
// 2.生成文件
string fileName = string.Empty;
MakeFile(ref fileName);
// 3.更新数据库状态及URL
UpdateDb(fileName);
}
catch (Exception)
{
// 如果在准备数据时发生异常，则将报表下载任务状态置为6，等待前端删除或者重新下载。
PrepairReportDataError(task, this._loginInfo);
throw;
}
return(true);
}
/// <summary>
/// 获取报表下载任务并开始进行下载数据准备
/// </summary>
/// <param name="loginInfor">U8登陆对象</param>
public void BeginTask(U8LoginInfor loginInfor = null)
{
try
{
this._task = GetDownloadTask(_loginInfo);
if (_task != null)
{
if (GoTask(_task))
{
Busy = false;
}
}
else
{
Busy = false;
}
}
catch (Exception)
{
Busy = false;
}
}
/// <summary>
/// 移动报表下载使用，通过用户名密码初始化登陆对象
/// </summary>
/// <param name="task"></param>
private void Init(MobileReportDownloadTask task)
{
this._solutionId = task.SolutionId;
this.Init2();
}
/// <summary>
/// 移动报表下载调用
/// </summary>
/// <param name="task">移动报表下载任务</param>
public MobileReportEngine(MobileReportDownloadTask task, U8LoginInfor loginInfor = null)
{
this._loginInfo = loginInfor;
this.Init(task);
}
/// <summary>
/// 通过task中存储的用户登陆信息构建用户登陆对象
/// </summary>
/// <param name="task"></param>
/// <returns></returns>
private U8LoginInfor ConstructLogin(MobileReportDownloadTask task)
{
return(TokenTransfer.DoLogin(task.AccId, task.Syear, task.AppServer, task.DataSource, task.Sdate, task.UserId, task.Pass, "zh-CN"));
}
