public async Task <ResponseModel> Send(RequestModel model)
{
var request = (HttpWebRequest)WebRequest.Create(this.config.ResolveURL("send_sms"));
request.Method = Constants.POST;
request.ContentType = Constants.X_WWW_FORM_URL_ENCODED;
request.Credentials = this.config.Credentials;
request.Headers.Add("Authorization", this.config.AuthorizationHeader);
return(await Task.Run(() => {
using (var streamWriter = new StreamWriter(request.GetRequestStream())) {
streamWriter.Write(model.AsQuery());
streamWriter.Flush();
streamWriter.Close();
}
using (var httpResponse = (HttpWebResponse)request.GetResponse()) {
using (StreamReader sr = new StreamReader(httpResponse.GetResponseStream())) {
string responseAsText = sr.ReadToEnd();
Console.WriteLine(responseAsText);
ResponseModel responseModel = JsonConvert.DeserializeObject <ResponseModel>(responseAsText);
return responseModel;
}
}
}));
}
public async Task <ResponseModel> SendSms(RequestModel model)
{
var request = (HttpWebRequest)WebRequest.Create(this.config.ResolveURL("send_sms"));
request.Method = Constants.POST;
request.ContentType = Constants.X_WWW_FORM_URL_ENCODED;
request.Credentials = this.config.Credentials;
request.Headers.Add("Authorization", this.config.AuthorizationHeader);
return(await Task.Run(async() => {
using (var streamWriter = new StreamWriter(request.GetRequestStream()))
{
streamWriter.Write(model.AsQuery());
streamWriter.Flush();
streamWriter.Close();
}
var responseModel = new ResponseModel();
try
{//Exception occur here as a result of Insufficient credit balance, Invalid phone number or internet connectivity failure
using (var httpResponse = (HttpWebResponse)request.GetResponse())
{
using (StreamReader sr = new StreamReader(httpResponse.GetResponseStream()))
{
string responseAsText = sr.ReadToEnd();
Console.WriteLine(responseAsText);
responseModel = JsonConvert.DeserializeObject <ResponseModel>(responseAsText);
}
}
}
catch (WebException ex)
{
HttpWebResponse webResponse = (HttpWebResponse)ex.Response;
if (webResponse != null)
{
if (webResponse.StatusCode == HttpStatusCode.BadRequest)
{//Occur as a result of Insufficient credit balance or invalid number
var checkBalance = await GetCredits();
responseModel.Status = checkBalance.SmsCredits <= 3 ? "Insufficient credit" : "Invalid number";
}
else
{// Any other error that may occur
responseModel.Status = "Unknown error";
}
}
else //When there is internet connectivity failure 'webResponse' will be equal to null
{
responseModel.Status = "Internet problem";
}
}
return responseModel;
}));
}