public ActionResult Pay(SelectModel model)
{
AnswerApp.Models.AnswerAppDataContext db = new AnswerApp.Models.AnswerAppDataContext();
AnswerApp.Models.User thisUser = db.Users.Single(d => d.UserName.Equals(User.Identity.Name));
if (thisUser == null) { RedirectToAction("LogIn", "Account"); }
String filename = "" + model.Textbook +
"_" + model.Unit +
"_" + model.Chapter +
"_" + model.Section +
"_" + model.Page +
"_" + model.Question + ".pdf";
model.CorrectAnswer = "Error 3";
IQueryable<Question> retrieved2 = from theAnswers in db.Questions
where theAnswers.Textbook_Title.Equals(model.Textbook)
&& theAnswers.Unit_Title.Equals(model.Unit)
&& theAnswers.Chapter_Title.Equals(model.Chapter)
&& theAnswers.Section_Title.Equals(model.Section)
&& theAnswers.Page_Number.Equals(model.Page)
&& theAnswers.Question_Number.Equals(model.Question)
select theAnswers;
Question[] results2 = retrieved2.ToArray<Question>();
if (results2.Length != 0)
{
model.CorrectAnswer = results2.First().Practice_Problem_Answer;
}
db.SubmitChanges();
PriceBreakdown thePriceBreakdown = new PriceBreakdown(model, thisUser, db);
ViewData["UpgradeLevel"] = thePriceBreakdown.UpgradeLevel;
ViewData["CurrentLevel"] = thePriceBreakdown.CurrentLevel;
ViewData["Credit"] = thePriceBreakdown.Credit;
ViewData["NumberOfSolutionsToPurchase"] = thePriceBreakdown.NumberOfSolutionsToPurchase;
ViewData["TotalValue"] = (thePriceBreakdown.NumberOfSolutionsToPurchase * PriceOfSingleSolution).ToString("C");
ViewData["NumberOfSolutionsForThisUser"] = thePriceBreakdown.NumberOfSolutionsForThisUser;
ViewData["NumberSelectedUserAlreadyHas"] = thePriceBreakdown.NumberSelectedUserAlreadyHas;
ViewData["SolutionsRemainingToBePurchased"] = thePriceBreakdown.SolutionsRemainingToBePurchased;
ViewData["RemainingCost"] = thePriceBreakdown.RemainingCost.ToString("C");
ViewData["UserCredit"] = thisUser.Credit;
ViewData["TotalRemainingSolutions"] = thePriceBreakdown.TotalRemainingSolutions;
ViewData["TotalRemainingCost"] = thePriceBreakdown.TotalRemainingPrice.ToString("C");
ViewData["UserLevel"] = thePriceBreakdown.UserLevel;
ViewData["UserLevelAfterPurchase"] = thePriceBreakdown.UserLevelAfterPurchase;
ViewData["UpgradePrice"] = thePriceBreakdown.UpgradePrice.ToString("C");
ViewData["AdditionalCredits"] = thePriceBreakdown.AdditionalCredits;
ViewData["ShowUpgradeSavings"] = thePriceBreakdown.ShowUpgradeSavings;
ViewData["UpgradeSavings"] = thePriceBreakdown.UpgradeSavings.ToString("C");
ViewData["DisplayIndividualPurchasePrice"] = thePriceBreakdown.DisplayIndividualPurchasePrice;//*/
return View(model);
}
public string Test()
{
string argument = "n/a";
AnswerApp.Models.AnswerAppDataContext db = new AnswerApp.Models.AnswerAppDataContext();
AnswerApp.Models.User administrator = db.Users.Single<AnswerApp.Models.User>(a => a.UserName.Equals("administrator"));
administrator.MetaData += "(in) ";
//Post back to either sandbox or live
string strSandbox = "https://www.sandbox.paypal.com/cgi-bin/webscr";
string strLive = "https://www.paypal.com/cgi-bin/webscr";
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(strLive);//Sandbox);
//Set values for the request back
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
byte[] param = HttpContext.Current.Request.BinaryRead(HttpContext.Current.Request.ContentLength);//byte[] param = Request.BinaryRead(HttpContext.Current.Request.ContentLength);
string strRequest = Encoding.ASCII.GetString(param);
strRequest += "&cmd=_notify-validate";
req.ContentLength = strRequest.Length;
//Send the request to PayPal and get the response
StreamWriter streamOut = new StreamWriter(req.GetRequestStream(), System.Text.Encoding.ASCII);
streamOut.Write(strRequest);
streamOut.Close();
StreamReader streamIn = new StreamReader(req.GetResponse().GetResponseStream());
string strResponse = streamIn.ReadToEnd();
streamIn.Close();
if (strResponse == "VERIFIED")
{
String[] parameters = strRequest.Split(new char[1] { '&' });
String theParameterProxy = "error 03148";
String[] KeyValue = new String[2];
String Key = "", Value = "";
String Properties = "";
String UserName = "";
String FileName = "";
String[] ParsedFileProperties = null;
double Price = 0;
String ItemName = "";
foreach (String theParameter in parameters)
{
KeyValue = theParameter.Split(new char[1] { '=' });
Key = KeyValue[0];
Value = KeyValue[1];
if (Key.Equals("transaction_subject"))
{
administrator.MetaData += " transaction_subject: " + Value;//debug
db.SubmitChanges();//debug
Properties = Value.Replace('+', ' ');
UserName = Properties.Split(new char[1] { '_' })[0];
FileName = Properties.Replace(UserName + "_", "");
ParsedFileProperties = FileName.Split(new char[1] { '_' });
}
else if (Key.Equals("mc_gross"))
{
administrator.MetaData += " mc_gross: " + Value;//debug
db.SubmitChanges();//debug
Price = Convert.ToDouble(Value);
}
else if (Key.Equals("item_name"))
{
administrator.MetaData += " item_name: " + Value;//debug
db.SubmitChanges();//debug
ItemName = Value.Replace('+', ' ');
}
}
AnswerApp.Models.User theUser = db.Users.Single<User>(u => u.UserName.Equals(UserName));
SelectModel model = new AnswerApp.Models.SelectModel();
if (ParsedFileProperties.Length > 0) { model.Textbook = ParsedFileProperties[0]; }
if (ParsedFileProperties.Length > 1) { model.Unit = ParsedFileProperties[1]; }
else
{
if (ItemName.Equals("1000-Pack of Solvation Credits"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOf1000Pack) < 0.01)
{
theUser.Credit += 1000;
}
}
else if (ItemName.Equals("250-Pack of Solvation Credits"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOf250Pack) < 0.01)
{
theUser.Credit += 250;
}
}
else if (ItemName.Equals("100-Pack of Solvation Credits"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOf100Pack) < 0.01)
{
theUser.Credit += 100;
}
}
else if (ItemName.Equals("50-Pack of Solvation Credits"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOf50Pack) < 0.01)
{
theUser.Credit += 50;
}
}
else if (ItemName.Equals("10-Pack of Solvation Credits"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOf10Pack) < 0.01)
{
theUser.Credit += 10;
}
}
else if (ItemName.Equals("Single Solvation Credit"))
{
if (Math.Abs(Price - AnswerApp.Controllers.AnswersController.PriceOfSingleSolution) < 0.01)
{
theUser.Credit += 1;
}
}
administrator.MetaData += "ItemName: " + ItemName;
db.SubmitChanges();
return strResponse;
}
if (ParsedFileProperties.Length > 2) { model.Chapter = ParsedFileProperties[2]; }
if (ParsedFileProperties.Length > 3) { model.Section = ParsedFileProperties[3]; }
if (ParsedFileProperties.Length > 4) { model.Page = ParsedFileProperties[4]; }
if (ParsedFileProperties.Length > 5) { model.Question = ParsedFileProperties[5]; }
if (ParsedFileProperties.Length > 6)
{
FileName = model.Textbook + "_" + model.Unit + "_" + model.Chapter + "_" + model.Section + "_" + model.Page + "_" + model.Question;
}
PriceBreakdown thePriceBreakdown = new PriceBreakdown(model, theUser, db);
if (ParsedFileProperties.Length > 6)//the upgrade was selected
{
administrator.MetaData += " UpgradePrice: " + thePriceBreakdown.UpgradePrice.ToString("C");//debug
/*if (Math.Abs(Price - thePriceBreakdown.UpgradePrice) >= 0.01)
{
return strResponse;
}//*/
theUser.Credit = Convert.ToInt32(ParsedFileProperties[6]);
db.SubmitChanges();//debug
}
else//the individual solutions were purchased
{
administrator.MetaData += " TotalRemainingPrice: " + thePriceBreakdown.TotalRemainingPrice.ToString("C");//debug
/*if (Math.Abs(Price - thePriceBreakdown.TotalRemainingPrice) >= 0.01)
{
return strResponse;
}//*/
theUser.Credit = Convert.ToInt32("0");
db.SubmitChanges();//debug
}
//make sure the selection contains solutions
AnswerApp.Controllers.AnswersController theAnswersController = new AnswerApp.Controllers.AnswersController();
if(!(theAnswersController.NumberOfQuestions(model, db) > 0)){return strResponse;}
//Enter this answer
String[] UserAnswers;
UserAnswers= null;
if (theUser.Answers != null)
{
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
}
theUser.Answers += FileName + ".pdf;";
bool done = false;
if (!model.Question.Equals("All") && !done)
{
//Find all questions from the selected section
IQueryable<AnswerApp.Models.Question> retrieved = from theAnswers in db.Questions
where theAnswers.Page_Number.Equals(model.Page)
select theAnswers;
Question[] results = retrieved.ToArray<Question>();
bool UserHasAll = true;
foreach (Question theQuestion in results)
{
if (!UserHasAccess(theUser, theQuestion.Textbook_Title + "_" + theQuestion.Unit_Title + "_" + theQuestion.Chapter_Title + "_" + theQuestion.Section_Title + "_" + theQuestion.Page_Number + "_" + theQuestion.Question_Number + ".pdf", db))
{
UserHasAll = false;
break;
}
}
if (UserHasAll)
{
model.Question = "All";
FileName = model.Textbook + "_" + model.Unit + "_" + model.Chapter + "_" + model.Section + "_" + model.Page + "_All";
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
theUser.Answers += FileName + ".pdf;";
}
else
{
done = true;
}
}
if (!model.Page.Equals("All") && !done)
{
//Find all questions from the selected section
IQueryable<AnswerApp.Models.Page> retrieved = from thePages in db.Pages
where thePages.Section_Title.Equals(model.Section)
select thePages;
AnswerApp.Models.Page[] results = retrieved.ToArray<AnswerApp.Models.Page>();
bool UserHasAll = true;
foreach (AnswerApp.Models.Page thePage in results)
{
if (!UserHasAccess(theUser, thePage.Textbook_Title + "_" + thePage.Unit_Title + "_" + thePage.Chapter_Title + "_" + thePage.Section_Title + "_" + thePage.Page_Number + "_All", db))
{
UserHasAll = false;
break;
}
}
if (UserHasAll)
{
model.Page = "All";
FileName = model.Textbook + "_" + model.Unit + "_" + model.Chapter + "_" + model.Section + "_All_All";
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
theUser.Answers += FileName + ".pdf;";
}
else
{
done = true;
}
}
if (!model.Section.Equals("All") && !done)
{
//Find all Secrtions from the selected Chapter
IQueryable<AnswerApp.Models.Section> retrieved = from theSections in db.Sections
where theSections.Chapter_Title.Equals(model.Chapter)
select theSections;
AnswerApp.Models.Section[] results = retrieved.ToArray<AnswerApp.Models.Section>();
bool UserHasAll = true;
foreach (AnswerApp.Models.Section theSection in results)
{
if (!UserHasAccess(theUser, theSection.Textbook_Title + "_" + theSection.Unit_Title + "_" + theSection.Chapter_Title + "_" + theSection.Section_Title + "_All_All", db))
{
UserHasAll = false;
break;
}
}
if (UserHasAll)
{
model.Section = "All";
FileName = model.Textbook + "_" + model.Unit + "_" + model.Chapter + "_All_All_All";
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
theUser.Answers += FileName + ".pdf;";
}
else
{
done = true;
}
}
if (!model.Chapter.Equals("All") && !done)
{
//Find all Chapters from the selected Unit
IQueryable<AnswerApp.Models.Chapter> retrieved = from theChapters in db.Chapters
where theChapters.Unit_Title.Equals(model.Unit)
select theChapters;
AnswerApp.Models.Chapter[] results = retrieved.ToArray<AnswerApp.Models.Chapter>();
bool UserHasAll = true;
foreach (AnswerApp.Models.Chapter theChapter in results)
{
if (!UserHasAccess(theUser, theChapter.Textbook_Title + "_" + theChapter.Unit_Title + "_" + theChapter.Chapter_Title + "_All_All_All", db))
{
UserHasAll = false;
break;
}
}
if (UserHasAll)
{
model.Chapter = "All";
FileName = model.Textbook + "_" + model.Unit + "_All_All_All_All";
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
theUser.Answers += FileName + ".pdf;";
}
else
{
done = true;
}
}
if (!model.Unit.Equals("All") && !done)
{
//Find all Units from the selected Textbook
IQueryable<AnswerApp.Models.Unit> retrieved = from theUnits in db.Units
where theUnits.Textbook_Title.Equals(model.Textbook)
select theUnits;
AnswerApp.Models.Unit[] results = retrieved.ToArray<AnswerApp.Models.Unit>();
bool UserHasAll = true;
foreach (AnswerApp.Models.Unit theUnit in results)
{
if (!UserHasAccess(theUser, theUnit.Textbook_Title + "_" + theUnit.Unit_Title + "_All_All_All_All", db))
{
UserHasAll = false;
break;
}
}
if (UserHasAll)
{
model.Unit = "All";
FileName = model.Textbook + "_All_All_All_All_All";
UserAnswers = theUser.Answers.Split(new char[1] { ';' });
foreach (String Answer in UserAnswers)
{
String thisAnswer = Answer.Replace(".pdf", "");
if (model.Contains(thisAnswer))
{
theUser.Answers = theUser.Answers.Replace(thisAnswer + ".pdf;", "");
}
}
theUser.Answers += FileName + ".pdf;";
}
else
{
done = true;
}
}
administrator.MetaData += " request: " + strRequest + " response: " + strResponse + " if: " + theParameterProxy;
db.SubmitChanges();
//check the payment_status is Completed
//check that txn_id has not been previously processed
//check that receiver_email is your Primary PayPal email
//check that payment_amount/payment_currency are correct
//process payment
}
else if (strResponse == "INVALID")
{
//log for manual investigation
administrator.MetaData += " request: " + strRequest + " response: " + strResponse + " else if: " + argument;
db.SubmitChanges();
}
else
{
//log response/ipn data for manual investigation
administrator.MetaData += " request: " + strRequest + " response: " + strResponse + " else: " + argument;
db.SubmitChanges();
}
return strResponse;
}