/// <summary>
/// Рассылает сообщения на email
/// </summary>
/// <param name="_params"></param>
/// <returns></returns>
private static void SendEmail(string body)
{
try
{
ServiceLogger.Info("{work}", "рассылка оповещений");
foreach (var emailTo in Params.EmailToAddresses)
{
if (!String.IsNullOrEmpty(emailTo))
{
var from = new MailAddress(Params.EmailFromAddress, Params.EmailFromName);
var to = new MailAddress(emailTo);
var message = new MailMessage(from, to)
{
Subject = "BackUp chuvashia.com",
Body = body,
IsBodyHtml = true
};
var smtp = new SmtpClient(Params.EmailHost, Params.EmailPort)
{
Credentials = new NetworkCredential(Params.EmailFromAddress, Params.EmailPassword),
EnableSsl = Params.EmailEnableSsl
};
smtp.Send(message);
}
}
ServiceLogger.Info("{work}", "рассылка оповещения проведена");
}
catch (Exception e)
{
ServiceLogger.Info("{error}", "рассылка оповещений завершилась ошибкой");
ServiceLogger.Error("{error}", e.ToString());
}
}
/// <summary>
/// Скачивает файл с сервера
/// </summary>
private static void DownloadFileFTP(string folderName, string fileName, string pathTo)
{
try
{
string ftpFullPath = $"{Params.FtpServer}{folderName}/{fileName}";
string downloadFilePath = Path.Combine(pathTo, fileName);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpFullPath);
request.Credentials = new NetworkCredential(Params.FtpUserName, Params.FtpUserPassword);
request.Method = WebRequestMethods.Ftp.DownloadFile;
using (Stream ftpStream = request.GetResponse().GetResponseStream())
using (Stream fileStream = File.Create(downloadFilePath))
{
ftpStream.CopyTo(fileStream);
}
messageBody += $"<li>{folderName}</li>";
ServiceLogger.Info("{work}", $"скачивание backup-а {folderName} проведено");
}
catch (Exception e)
{
ServiceLogger.Error("{error}", e.ToString());
}
}
/// <summary>
/// Копирует backup-ы с chuvashia.com на машину
/// </summary>
private static void CopyBackups()
{
messageBody += "<ol>Список скопированных backup-ов:</ol>";
string dateDir = DateTime.Now.ToString("yyyyMMdd");
foreach (string fold in Params.Folders)
{
try
{
string pathTo = Params.PathTo + fold + @"\" + dateDir;
bool isExist = Directory.Exists(pathTo);
if (!isExist)
{
Directory.CreateDirectory(pathTo);
}
DownloadFileFTP(fold, fold + "_" + dateDir + ".bak", pathTo);
}
catch (Exception e)
{
ServiceLogger.Info("{error}", $"при скачивании backup-а {fold} произошла ошибка");
ServiceLogger.Error("{error}", e.ToString());
}
}
}
/// <summary>
/// Создаёт директорию на сервере
/// </summary>
/// <returns></returns>
private static void CreateDirectoryOnServer(string folderName)
{
try
{
FtpWebRequest request = (FtpWebRequest)WebRequest.Create($"{Params.FtpServer}{folderName}");
request.Credentials = new NetworkCredential(Params.FtpUserName, Params.FtpUserPassword);
request.Method = WebRequestMethods.Ftp.MakeDirectory;
using (var response = (FtpWebResponse)request.GetResponse())
{
ServiceLogger.Info("{work}", $"создана папка: {folderName} статус: {response.StatusCode.ToString()}");
}
}
catch (Exception e)
{
ServiceLogger.Error("{error}", e.ToString());
}
}
/// <summary>
/// Выполняет скрипт по созданию backUp
/// </summary>
private static bool CreateBackup()
{
bool result = false;
try
{
string[] listOfDirectories = GetDirectoryListFromServer();
if (listOfDirectories != null)
{
foreach (string folder in Params.Folders)
{
bool isExists = listOfDirectories.Contains(folder.ToLower());
if (!isExists)
{
CreateDirectoryOnServer(folder);
}
}
ServiceLogger.Info("{work}", "запуск скрипта по созданию backup");
using (var db = new DbModel(connection))
{
if (db.Command != null)
{
db.Command.CommandTimeout = 1800000;
db.backup_service(Params.StrFolders);
result = true;
}
}
ServiceLogger.Info("{work}", "создание backup завершено");
}
}
catch (Exception e)
{
ServiceLogger.Info("{error}", "скрипт по созданию backup завершился ошибкой");
ServiceLogger.Error("{error}", e.ToString());
}
return(result);
}
/// <summary>
/// Возвращает список директорий
/// </summary>
/// <returns></returns>
private static string[] GetDirectoryListFromServer()
{
try
{
FtpWebRequest request = (FtpWebRequest)WebRequest.Create($"{Params.FtpServer}");
request.Credentials = new NetworkCredential(Params.FtpUserName, Params.FtpUserPassword);
request.Method = WebRequestMethods.Ftp.ListDirectory;
using (FtpWebResponse directoryListResponse = (FtpWebResponse)request.GetResponse())
{
using (StreamReader directoryListResponseReader = new StreamReader(directoryListResponse.GetResponseStream()))
{
string responseString = directoryListResponseReader.ReadToEnd().ToLower();
return(responseString.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries));
}
}
}
catch (Exception e)
{
ServiceLogger.Error("{error}", e.ToString());
return(null);
}
}