wmsmsgateway.cs :  » CRM-ERP » Tustena-CRM » Digita » Tustena » C# / CSharp Open Source

/// <license>TUSTENA PUBLIC LICENSE v1.0</license>
/// <copyright>
/// Portions Copyright (c) 2003-2006 Digita S.r.l. All Rights Reserved.
///
/// Tustena CRM is a trademark of:
/// Digita S.r.l.
/// Viale Enrico Fermi 14/z
/// 31011 Asolo (Italy)
/// Tel. +39-0423-951251
/// Mail. info@digita.it
///
/// This file contains Original Code and/or Modifications of Original Code
/// as defined in and that are subject to the Tustena Public Source License
/// Version 1.0 (the 'License'). You may not use this file except in
/// compliance with the License. Please obtain a copy of the License at
/// http://www.tustena.com/TPL/ and read it before using this
// file.
///
/// The Original Code and all software distributed under the License are
/// distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
/// EXPRESS OR IMPLIED, AND DIGITA S.R.L. HEREBY DISCLAIMS ALL SUCH WARRANTIES,
/// INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
/// Please see the License for the specific language governing rights and
/// limitations under the License.
///
/// YOU MAY NOT REMOVE OR ALTER THIS COPYRIGHT NOTICE!
/// </copyright>

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;

namespace Digita.Tustena{

  public delegate void ErrorHandler(string error);
  public delegate void TakeCredit(int creditunit);

  public class wmsmsgateway
  {
    public event ErrorHandler myeventerror;
    public event TakeCredit mytakecredit;
    private string userName = "margo@tustena.com";
    private string password = "SL5fKuS2LL";
    private string origin = "TustenaCRM";
    private int _smscost = -1;

    public string ResultText_
    {
      get { return resultText; }
    }

    private string resultText = String.Empty;

    public int smscost
    {
      get { return _smscost; }
    }

    public int smspocket
    {
      get { return _smspocket; }
    }

    private int _smspocket = -1;

    public int SendSMS(string number, string message)
    {
      return SendSMS(number, message, origin);
    }
    public int SendSMS(string number, string message, string origin)
    {
      XmlDocument doc = new XmlDocument();
      try
      {
        doc.LoadXml("<?xml version=\"1.0\"?>"+
          "<sms>"+
          "<Header>"+
          "<Username>"+userName+"</Username>"+
          "<Password>"+password+"</Password>"+
          "</Header>"+
          "<Contents>"+
          "<Label>"+origin+"</Label>"+
          "<Destination>"+number+"</Destination>"+
          "<Data>"+message+"</Data>"+
          "</Contents>"+
          "</sms>");
      }
      catch(Exception ex)
      {
        Console.WriteLine(ex.Message);
      }
      doc = send(doc.OuterXml);
      if(doc == null) exceptionNotify("Errore di formattazione Messageso SMS:\n"+doc.OuterXml);
      string resultCode = String.Empty;
      string MessageID = String.Empty;
      string route = String.Empty;
      try
      {
        resultCode = checkXmlResult(ref doc,"ResultCode");
        resultText = checkXmlResult(ref doc,"ResultText");
        _smscost = checkXmlResultInt(ref doc,"CreditsAvailable");
        _smspocket = checkXmlResultInt(ref doc,"CreditsAvailable");
      }
      catch(Exception ex)
      {
        exceptionNotify(ex.Message + "\n" +doc.OuterXml);
      }
      if(mytakecredit != null && _smscost>-1)
        mytakecredit(smscost);

      return (isError(resultCode));

    }

    private string checkXmlResult( ref XmlDocument doc, string xField)
    {
      XmlNodeList xList = doc.GetElementsByTagName("ResultCode");
      if(xList.Count>0)
        return xList[0].InnerText;
      else
        return String.Empty;
    }

    private int checkXmlResultInt( ref XmlDocument doc, string xField)
    {
      XmlNodeList xList = doc.GetElementsByTagName("ResultCode");
      if(xList.Count>0)
        try
        {
          return int.Parse(xList[0].InnerText);
        }catch
        {
          return -1;
        }
      else
        return -1;
    }

    private XmlDocument send(string xmlmsg)
    {
      WebRequest httpRequest = WebRequest.Create("http://enterprise.wirelessmedia.com/sms/xml.gateway");
      httpRequest.Method="POST";
      httpRequest.ContentType = "text/xml; charset=utf-8";
      byte [] bytes = Encoding.ASCII.GetBytes(xmlmsg);
      httpRequest.ContentLength = bytes.Length;
      Stream os = httpRequest.GetRequestStream ();
      os.Write (bytes, 0, bytes.Length);
      os.Close ();

      WebResponse httpResponse = httpRequest.GetResponse();
      Stream stream = httpResponse.GetResponseStream();
      StreamReader reader = new StreamReader(stream);

      XmlDocument doc = new XmlDocument();
      try
      {
        doc.LoadXml(reader.ReadToEnd());
      }
      catch(Exception ex)
      {
        exceptionNotify(ex.Message);
      }
      finally
      {
        reader.Close();

      }
      return doc;
    }

    private void exceptionNotify(string error)
    {
      if(myeventerror != null)
        myeventerror(error);

    }

    private int isError(string code)
    {
      switch(code)
      {
        case "00":
          return 0; // message OK
        case "01H":
          return 1; // Number Error
        case "04":
          return 2; // Queued
        default:
          exceptionNotify("SMS error, CODE: "+code);
          return -1;
      }
    }
  }
}