// ---------------------------------------------------------------------------------------------
private void Promotion(ref user user)
{
var userQuestions = user.user_question.ToList();
var userCodes = user.user_code.ToList();
var hardUserModules = user.edumodule
.Select(m => {
if (m.difficulty == "hard")
{
return(m);
}
if (m.difficulty == "medium")
{
return(m.edumodule2);
}
return(m.edumodule2.edumodule2);
})
.Distinct().ToList();
// check each 'hard' module the user has worked on
List <test_question> moduleQuestions;
List <test_code> moduleCodes;
int nPassedModules = 0;
foreach (var module in hardUserModules)
{
// get all questions for the module
moduleQuestions = _moduleService.QuestionsForModule(module);
// the user has not answered the question yet
if (moduleQuestions.Exists(q => !userQuestions.Exists(uq => q.id == uq.question_id)))
{
continue;
}
// the user answered incorrectly
if (moduleQuestions.Exists(q => userQuestions.Exists(uq => uq.question_id == q.id && uq.last_result == false)))
{
continue;
}
// get all codeTasks
moduleCodes = _moduleService.CodesForModule(module);
// the user has not tried this code yet
if (moduleCodes.Exists(c => !userCodes.Exists(uc => c.id == uc.code_id)))
{
continue;
}
// the user answered incorrectly
if (moduleCodes.Exists(c => userCodes.Exists(uc => uc.test_code == c && uc.last_result == false)))
{
continue;
}
// if number of incorrect answers+codes == 0 - increment nPassed 'hard' modules
nPassedModules++;
}
// find the rank assiged to this number of passed 'hard' modules
var rankStep = Int32.Parse(ConfigurationManager.AppSettings["rankStep"]);
var newRank = (int)(nPassedModules / rankStep);
// assign the rank to the user
var oldRank = user.user_game.rank;
user.user_game.rank = newRank;
}