private static void TimerCallback()
{
//General Try/Catch/Finally
try
{
//Open Port
try
{
if (!serialPort1.IsOpen)
{
serialPort1.Open();
}
}
catch (Exception)
{
LogErrors("Error On Openning Port" + Environment.NewLine);
ResetApp();
}
//Change read language to UCS2 text
try
{
serialPort1.WriteLine("AT+CSCS=\"UCS2\"");
Thread.Sleep(1000);
}
catch (Exception)
{
LogErrors("Error On Change read language to UCS2" + Environment.NewLine);
ResetApp();
}
//Read received messages
string output = "";
try
{
serialPort1.WriteLine("AT" + System.Environment.NewLine);
Thread.Sleep(1000);
serialPort1.WriteLine("AT+CMGF=1\r" + System.Environment.NewLine);
Thread.Sleep(1000);
serialPort1.WriteLine("AT+CMGL=\"REC UNREAD\"" + System.Environment.NewLine); //For get only unread messages use => serialPort1.WriteLine("AT+CMGL=\"REC UNREAD\"" + System.Environment.NewLine);
Thread.Sleep(4000);
output = serialPort1.ReadExisting();
}
catch (Exception)
{
LogErrors("Error On Read Received Messages" + Environment.NewLine);
ResetApp();
}
//Convert received messages to an string array by each line, receivedMessages[i] means line i-th from all received messaages
string[] receivedMessages = null;
try
{
receivedMessages = output.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
}
catch (Exception)
{
LogErrors("Error On Split Read Message To Array" + Environment.NewLine);
ResetApp();
}
//Loop for analyze each line of received messages
for (int i = 0; i < receivedMessages.Length - 1; i++)
{
if (receivedMessages[i].StartsWith("+CMGL"))
{
string[] message = receivedMessages[i].Split(',');
//Read phone number from raw UCS2 text and convert it to normal text
string ph = null;
string phone = null;
try
{
ph = message[2].Replace("\"", string.Empty);
StringBuilder sb2 = new StringBuilder();
for (int j = 0; j < ph.Length; j += 4)
{
sb2.AppendFormat("\\u{0:x4}", ph.Substring(j, 4));
}
phone = System.Text.RegularExpressions.Regex.Unescape(sb2.ToString()).Replace("\"", string.Empty);
}
catch (Exception)
{
LogErrors("Error On Read phone number from raw UCS2 text and convert it to normal text" + Environment.NewLine);
ResetApp();
}
//Read text message from raw UCS2 text and convert it to normal text
string msg = null;
string Msg = null;
try
{
msg = receivedMessages[i + 1];
StringBuilder sb = new StringBuilder();
for (int j = 0; j < msg.Length; j += 4)
{
sb.AppendFormat("\\u{0:x4}", msg.Substring(j, 4));
}
Msg = System.Text.RegularExpressions.Regex.Unescape(sb.ToString()).Replace("\"", string.Empty);
}
catch (Exception)
{
LogErrors("Error On Read text message from raw UCS2 text and convert it to normal text" + Environment.NewLine);
ResetApp();
}
//Insert received message to "Tbl_SmsReceived" of database
try
{
Tbl_SmsReceived smsReceived = new Tbl_SmsReceived()
{
Phone = phone,
Date = DateTime.Now,
Message = Msg
};
db.Tbl_SmsReceiveds.InsertOnSubmit(smsReceived);
db.SubmitChanges();
}
catch (Exception)
{
LogErrors("Error On Insert received message to Tbl_SmsReceived" + Environment.NewLine);
ResetApp();
}
//Check if received message body equals to 1 (persian or english)
if (Msg.Equals("1") || Msg.Equals("۱"))
{
//Generating a hash key from sender phone number and current date and time for user registeration ID
string HashId = null;
try
{
HashId = CreateMD5(phone + DateTime.Now.Ticks);
while (db.Tbl_Links.Any(s => s.Id == HashId))
{
HashId = CreateMD5(phone + DateTime.Now.Ticks);
}
}
catch (Exception)
{
LogErrors("Error On Generating a Hash Key From Sender Phone" + Environment.NewLine);
ResetApp();
}
//Create a row to "Tbl_Link" of database for registering user
try
{
Tbl_Link link = new Tbl_Link()
{
Id = HashId,
Phone = phone,
ExpireDate = DateTime.Now.AddDays(1)
};
db.Tbl_Links.InsertOnSubmit(link);
db.SubmitChanges();
}
catch (Exception)
{
LogErrors("Error On Create a row to Tbl_Link of database for registering user" + Environment.NewLine);
ResetApp();
}
//Display Registered user in console
try
{
Console.WriteLine(phone + " " + DateTime.Now);
Console.WriteLine("New user submitted!");
}
catch (Exception)
{
LogErrors("Error On Display Registered User In Console" + Environment.NewLine);
ResetApp();
}
//Generate link of user registeration
string realLink = null;
try
{
realLink = "http://" + ReadAppIp() + "/" + HashId;
}
catch (Exception)
{
LogErrors("Error On Generate link of user registeration" + Environment.NewLine);
ResetApp();
}
//Generate shortlink from realLink(generated link of user registeration) and split JSON data by ":"
string[] shortedLink = null;
string shortlinke = null;
try
{
shortedLink = Shortlink("http://" + ReadShortlinkIp() + "/api/Page/" + realLink).Split(':');
shortlinke = (shortedLink[1] + ":" + shortedLink[2]).Replace("\"", string.Empty).Replace("}", string.Empty);
}
catch (Exception)
{
LogErrors("Error On Generate shortlink" + Environment.NewLine);
ResetApp();
}
//Send short link to current uesr
string sentmsg = null;
try
{
serialPort1.WriteLine("AT+CMGF=1");
Thread.Sleep(100);
serialPort1.WriteLine("AT+CSCS=\"HEX\"");
Thread.Sleep(300);
serialPort1.WriteLine("AT+CSMP=17,167,0,8");
Thread.Sleep(300);
serialPort1.WriteLine("AT+CMGS=\"" + phone + "\"");
Thread.Sleep(300);
sentmsg = "لینک ثبت نام:\n" + "http://" + shortlinke + "\nدر صورت ایجاد هرگونه مشکل میتوانید سوالات خود را بوسیله پیامک به همین شماره ارسال کنید ";
serialPort1.Write(StringToHex(sentmsg) + '\x001a');
Thread.Sleep(5000);
}
catch (Exception)
{
LogErrors("Error On Send Link To Uesr" + Environment.NewLine);
ResetApp();
}
//add sent sms to database
try
{
Tbl_SmsSent tbl_SmsSent = new Tbl_SmsSent();
tbl_SmsSent.Date = DateTime.Now;
tbl_SmsSent.Phone = phone;
tbl_SmsSent.Message = sentmsg;
db.Tbl_SmsSents.InsertOnSubmit(tbl_SmsSent);
db.SubmitChanges();
}
catch (Exception)
{
LogErrors("Error On Add Sent Sms To Database" + Environment.NewLine);
ResetApp();
}
}
}
}
//Delete all read messages (untouch unreads)
try
{
serialPort1.WriteLine("AT" + System.Environment.NewLine);
Thread.Sleep(1000);
serialPort1.WriteLine("AT+CMGF=1\r" + System.Environment.NewLine);
Thread.Sleep(1000);
serialPort1.WriteLine("AT+CMGD=1,3" + System.Environment.NewLine);
Thread.Sleep(1000);
}
catch (Exception)
{
LogErrors("Error On Delete All Read Messages" + Environment.NewLine);
}
}
//If in each section of try error occurs, this catch section will execute
catch (Exception e)
{
//log occured error in a file named "log.txt"
LogErrors("Unknow Error" + Environment.NewLine);
LogErrors(e.ToString() + Environment.NewLine);
//Display a message in console to inform that an error has occured
Console.WriteLine("Unknow Error");
//Restart app
ResetApp();
}
}
partial void UpdateTbl_SmsReceived(Tbl_SmsReceived instance);
partial void DeleteTbl_SmsReceived(Tbl_SmsReceived instance);
partial void InsertTbl_SmsReceived(Tbl_SmsReceived instance);