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90 lines
3.5 KiB
90 lines
3.5 KiB
using log4net;
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using OT.COM.ArsenalDB;
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using System;
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using System.Diagnostics;
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using System.IO;
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namespace CounsellorBL
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{
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public static class ReportExtension
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{
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private static ILog _inst = null;
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private static ILog Logger
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{
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get
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{
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if (_inst == null)
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{
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_inst = LogManager.GetLogger(typeof(ReportExtension));
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}
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return _inst;
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}
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}
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/// <summary>
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/// 轉換為Pdf
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/// </summary>
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/// <param name="timeout">轉換逾時秒數</param>
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/// <param name="tmpFileFullPath">檔案路徑</param>
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/// <returns></returns>
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public static string ConvertToPdf(int timeout, string tmpFileFullPath, out string pdfFileFullPath)
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{
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// 經由轉換程式處理
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var pdfProcess = new Process();
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pdfProcess.StartInfo.FileName = CustomizeDBMgr.SettingData["PdfConverterFileName"];
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// LibreOffice有bug，如果路徑用"\"無法判別，必須改用"/"，例如"C:\ABC\"要用"C:/ABC/"
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pdfProcess.StartInfo.Arguments = string.Format(CustomizeDBMgr.SettingData["PdfConverterArguments"],
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tmpFileFullPath.Replace('\\', '/'),
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Path.GetDirectoryName(tmpFileFullPath).Replace('\\', '/'));
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pdfProcess.StartInfo.CreateNoWindow = false;
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pdfProcess.StartInfo.UseShellExecute = false;
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Logger.Info("FileName:"+pdfProcess.StartInfo.FileName+ " "+ pdfProcess.StartInfo.Arguments);
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try
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{
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// PDF開始轉換的時間
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var startConvertTime = DateTime.Now;
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pdfProcess.Start();
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if (pdfProcess.WaitForExit(timeout * 1000)) // 逾時秒數
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{
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// 取回PDF資料
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pdfFileFullPath = Path.ChangeExtension(tmpFileFullPath, ".pdf");
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var duration = DateTime.Now - startConvertTime;
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//Logger.InfoFormat("轉換PDF [{0}] 花費 {1:n2} 秒 ({2:n2} 毫秒)", pdfFileFullPath, duration.TotalSeconds, duration.TotalMilliseconds);
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// 因為lag關係，可能要等一段時間檔案才會真正產生
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// 增加一點等待時間
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for (var retry = 0; retry < 10; retry++)
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{
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var exist = File.Exists(pdfFileFullPath);
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if (exist)
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{
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return null; // 回傳null算正確
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}
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System.Threading.Thread.Sleep(200);
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}
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// 等候太久，回傳失敗
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Logger.Error("無法取回PDF " + pdfFileFullPath);
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return "轉換逾時,無法取回PDF";
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}
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else
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{
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// 等候太久，可能是轉換失敗
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Logger.Error("轉換PDF逾時 " + tmpFileFullPath);
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pdfFileFullPath = null;
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return "轉換逾時";
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}
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}
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catch (Exception e)
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{
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Logger.Error("轉換PDF發生錯誤", e);
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pdfFileFullPath = null;
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return "轉換PDF時發生錯誤" + e.Message;
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}
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finally
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{
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pdfProcess.Dispose();
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}
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}
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}
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}
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