これまで、プログラムで電子メール通知を生成して送信したことはありません。私がする必要があるのは、このプログラムがファイルの移動に失敗した場合、または例外が発生して電子メールを生成し、(できれば) Log.txt ファイルを電子メールに添付して送信する場合です。このアプリはエンタープライズ スケジューラから実行され、ファイルとフォルダーを管理するために 1 時間に 1 回実行されます。
これが私が現在持っている機能コードです（メールの実装はまだありません）メールを送信したい場所にコメントしました
using System;
using System.Configuration;
using System.IO;
using System.Net;
using System.Net.Mail;
using System.Runtime.InteropServices;
namespace FileOrganizer
{
class Program
{
//These are the folder to organize and delimeter that is in the filenames to split off a folder from
static string folder = ConfigurationManager.AppSettings["folder"]; //"C:\Users\MyUserName\Desktop\Organize Me"
static string delim = ConfigurationManager.AppSettings["delim"]; // delim = "__"
//location for the log.txt file
static string logPath = ConfigurationManager.AppSettings["logPath"]; //C:\Users\MyUserName\Desktop\Log.txt
//contact list from the app.config
static string emailTo = ConfigurationManager.AppSettings["notifyEmailAddress"]; //multiple email addresses delimited by a ; example = tom@domain.com;dick@differentDomain.com;harry@domain.com
//for the log.txt reporting
static int filesMoved = 0;
static int filesNOTmoved = 0;
static string fileNamesNOTmoved = "";
static int foldersCreated = 0;
static string message = "";
static string stackTrace = "";
//used for passing all the objects into the log method
static object[] details = new object[6];
static void Main(string[] args)
{
try
{
using (StreamWriter w = File.AppendText(logPath))
{
int total = organizeFolder(delim, folder);
details[0] = filesMoved;
details[1] = filesNOTmoved;
details[2] = fileNamesNOTmoved;
details[3] = foldersCreated;
details[4] = "No Errors Found";
details[5] = "No Errors Found";
Log(details, w);
if (filesNOTmoved > Convert.ToInt32(filesNOTmoved))
{
//generate email to notify of filesNames not moved (prefer to send Log.txt as attachment)
}
}
using (StreamReader r = File.OpenText(logPath))
{
DumpLog(r);
}
}
catch (Exception ex)
{
using (StreamWriter w = File.AppendText(logPath))
{
details[0] = filesMoved;
details[1] = filesNOTmoved;
details[2] = fileNamesNOTmoved;
details[3] = foldersCreated;
details[4] = ex.Message.ToString();
details[5] = ex.StackTrace.ToString();
Log(details, w);
}
//generate email to notify of Error and (prefer to send Log.txt as attachment)
using (StreamReader r = File.OpenText(logPath))
{
DumpLog(r);
}
}
}
/*Takes a folder and organizes it into folder by naming folder whatever
* is in front of the delimeter Example -->(folderName__fileName.txt would be moved
* to a new or existing folder named folderName. Final path for file would
* look like this folderName\folderName__fileName.txt)
*
* It will not move file if it already exists in the new location, instead
* it prompts user that they should rename file and run program again.*/
static int organizeFolder(string delimeter, string rootPath)
{
//counter for total files in Folder
int Count = 0;
int totalMoved = 0;
FileInfo[] fileNames;
DirectoryInfo di = new DirectoryInfo(rootPath);
//set all file names as a string from network directory into an array
fileNames = di.GetFiles("*.*");
Count = fileNames.Length;
//Count = 0;//just to test exception handling
//if no files exist in network folder throw error message.
if (Count == 0)
{
fileNamesNOTmoved = "No Files Were In Directory to Move.";
}
else //files exist in network folder
{
int delimIndex = 0;
string folderName;
for (int i = 0; i < Count; i++)
{
if (fileNames[i].ToString().Contains(delimeter))
{
delimIndex = fileNames[i].ToString().IndexOf(delimeter);
folderName = fileNames[i].ToString().Substring(0, delimIndex);
//if folder doesnt exist create it here.
folderCreation(rootPath, folderName);
if (!File.Exists(rootPath + @"\" + folderName + @"\" + fileNames[i].Name))
{
File.Move(rootPath + @"\" + fileNames[i].ToString(), rootPath + @"\" + folderName + @"\" + fileNames[i].Name);
filesMoved++;
}
else
{
if (fileNamesNOTmoved == "")
fileNamesNOTmoved += "| ";
fileNamesNOTmoved += fileNames[i].Name + " | ";
filesNOTmoved++;
}
totalMoved++;
}
}
}
return totalMoved;
}
//if folder does not exist this method will create it
private static void folderCreation(string strTempPath, string folderName)
{
strTempPath = strTempPath + @"\" + folderName;
if (!Directory.Exists(strTempPath))
{
//Create \folderName
Directory.CreateDirectory(strTempPath);
foldersCreated++;
}
}
//adds entries to the log.txt file
public static void Log(object[] details, TextWriter w)
{
w.Write("\r\nLog Entry : ");
w.WriteLine("{0} {1}", DateTime.Now.ToShortTimeString(), DateTime.Now.ToShortDateString());
w.WriteLine(" :");
w.WriteLine(" :{0}", "Files Moved = " + details[0].ToString());
w.WriteLine(" :{0}", "Folders Created = " + details[3].ToString());
w.WriteLine(" :{0}", "Files Not Moved = " + details[1].ToString());
w.WriteLine(" :{0}", "Files Names Not Moved = {" + details[2].ToString() + "}");
w.WriteLine(" :{0}", "Error Message = " + details[4].ToString());
w.WriteLine(" :{0}", "Error Stack Trace = " + details[5].ToString());
w.WriteLine("---------------------------------------------------------------------------------------");
}
public static void DumpLog(StreamReader r)
{
string line;
while ((line = r.ReadLine()) != null)
{
Console.WriteLine(line);
}
}
}
}
基本的に、メールには次のように記載してください。
- 件名: データ管理エラー通知
- 本文: これは、ディレクトリ内のファイルをクリーンアップしようとしてエラーが発生したことを通知する自動生成メールです。詳細については、添付の Log.txt ファイルを参照してください。
- 添付ファイル: Log.txt