public async Task <bool> SendFeedbackAsync(FeedbackTeacherModel model)
{
try
{
Dictionary <string, string> formData = new Dictionary <string, string>()
{
["__VIEWSTATE"] = model.__ViewState,
["__VIEWSTATEGENERATOR"] = model.__VIEWSTATEGENERATOR,
["__EVENTVALIDATION"] = model.__EVENTVALIDATION,
["ctl00$ContentPlaceHolder1$reload$ctl00$chkList"] = model.FeedbackChoice[0].ToString(),
["ctl00$ContentPlaceHolder1$reload$ctl01$chkList"] = model.FeedbackChoice[1].ToString(),
["ctl00$ContentPlaceHolder1$reload$ctl02$chkList"] = model.FeedbackChoice[2].ToString(),
["ctl00$ContentPlaceHolder1$reload$ctl03$chkList"] = model.FeedbackChoice[3].ToString(),
["ctl00$ContentPlaceHolder1$reload$ctl04$chkList"] = model.FeedbackChoice[4].ToString(),
["ctl00$ContentPlaceHolder1$reload$ctl05$chkList"] = model.FeedbackChoice[5].ToString(),
["ctl00$ContentPlaceHolder1$txtComment"] = model.Comment,
["ctl00$ContentPlaceHolder1$btSendFeedback"] = "Gửi ý kiến"
};
HttpWebRequest req = WebRequest.CreateHttp($"{FschoolDomain}{model.ID}");
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
_acct.AddSessionIdCookie(req);
using (var reqStream = await req.GetRequestStreamAsync())
{
using (var urlEncoded = new FormUrlEncodedContent(formData))
{
await urlEncoded.CopyToAsync(reqStream);
var test = await urlEncoded.ReadAsStringAsync();
}
using (var resp = await req.GetResponseAsync())
{
using (var stream = resp.GetResponseStream())
{
using (var reader = new StreamReader(stream))
{
string res = await reader.ReadToEndAsync();
if (await AccountModel.IsLoginPage(res))
{
throw new InvalidSessionIDException($"{_acct.Email} session id: {_acct.SessionID} is invalid or expired, please request a new one and try again");
}
// Validate feedback
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(res);
return(doc.DocumentNode.SelectSingleNode("/html/body/div/div[1]/section[2]/form/div/div/div/div[3]/div/div[1]/span/font") != null);
}
}
}
}
}
catch (InvalidSessionIDException) // We don't wrap this exception
{
throw;
}
catch (Exception e)
{
throw new InvalidOperationException("Failed to send feedback", e);
}
}
