/// <summary>
/// Deletes test type by given string
/// </summary>
/// <param name="type"> Given string </param>
public void DeleteTestTypeByType(string type)
{
using (QuizEntities context = new QuizEntities())
{
var testType = context.TestTypes.FirstOrDefault(r => r.Type == type);
context.TestTypes.Remove(testType);
context.SaveChanges();
}
}
//delete data
/// <summary>
/// Deletes an answer after a given Id.
/// </summary>
/// <param name="id"> Given Id </param>
public void DeleteAnswer(int id)
{
using (QuizEntities context = new QuizEntities())
{
var answer = context.Answers.FirstOrDefault(r => r.Id == id);
context.Answers.Remove(answer);
context.SaveChanges();
}
}
/// <summary>
/// Delete user test by user id and test id
/// </summary>
/// <param name="userId"> Given user id </param>
/// <param name="testId"> Given test id </param>
public void DeleteUserTestByUserAndTestId(int userId, int testId)
{
using (QuizEntities context = new QuizEntities())
{
var userTest = context.UserTests.FirstOrDefault(r => r.UserID == userId && r.TestId == testId);
context.UserTests.Remove(userTest);
context.SaveChanges();
}
}
/// <summary>
/// Set if user is admin by a given username
/// </summary>
/// <param name="Username"></param>
/// <param name="status"></param>
public void SetAdminByUsername(string Username, bool status)
{
using (QuizEntities context = new QuizEntities())
{
var user = context.Users.FirstOrDefault(r => r.Username == Username);
user.IsAdmin = status;
context.SaveChanges();
}
}
/// <summary>
/// Deletes test questions by a given user id and test id.
/// </summary>
/// <param name="userId"> Given userId </param>
/// <param name="testId"> Given testId </param>
public void DeleteTestQuestionsAnswersByUserAndTestId(int userId, int testId)
{
using (QuizEntities context = new QuizEntities())
{
var testQuestionsAnswers = context.TestQuestionsAnswers.Where(r => r.UserID == userId && r.TestId == testId).ToList();
context.TestQuestionsAnswers.RemoveRange(testQuestionsAnswers);
context.SaveChanges();
}
}
/// <summary>
/// Updates TestType by existing type
/// </summary>
/// <param name="oldType"> Old type </param>
/// <param name="newType"> New Type </param>
public void UpdateTestTypeByType(string oldType, string newType)
{
using (QuizEntities context = new QuizEntities())
{
var testType = context.TestTypes.FirstOrDefault(r => r.Type == oldType);
testType.Type = newType;
context.SaveChanges();
}
}
/// <summary>
/// Sets isFinished state by id
/// </summary>
/// <param name="id"> Given Id </param>
/// <param name="isFinished"> Given state </param>
public void SetStateById(int id, bool isFinished)
{
using (QuizEntities context = new QuizEntities())
{
var userTest = context.UserTests.FirstOrDefault(r => r.Id == id);
userTest.IsFinished = isFinished;
context.SaveChanges();
}
}
//delete data
/// <summary>
/// Deletes a user by a given Id.
/// </summary>
/// <param name="id"> Given user id </param>
public void DeleteUserById(int id)
{
using (QuizEntities context = new QuizEntities())
{
var user = context.Users.FirstOrDefault(r => r.Id == id);
context.Users.Remove(user);
context.SaveChanges();
}
}
//delete data
/// <summary>
/// Deletes test by id
/// </summary>
/// <param name="id"> Given id </param>
public void DeleteTestById(int id)
{
using (QuizEntities context = new QuizEntities())
{
var test = context.Tests.FirstOrDefault(r => r.Id == id);
context.Tests.Remove(test);
context.SaveChanges();
}
}
/// <summary>
/// Set if user is admin by a given id
/// </summary>
/// <param name="Id"> Given Id </param>
/// <param name="status">Given status</param>
public void SetAdminById(int Id, bool status)
{
using (QuizEntities context = new QuizEntities())
{
var user = context.Users.FirstOrDefault(r => r.Id == Id);
user.IsAdmin = status;
context.SaveChanges();
}
}
/// <summary>
/// Deletes Technology Question by a given id
/// </summary>
/// <param name="id"> Question technology id </param>
public void DeleteTechnologyQuestionById(int id)
{
using (QuizEntities context = new QuizEntities())
{
var technologyQuestion = context.TechnologyQuestions.FirstOrDefault(r => r.Id == id);
context.TechnologyQuestions.Remove(technologyQuestion);
context.SaveChanges();
}
}
//delete data
/// <summary>
/// Deletes a test question by a given id.
/// </summary>
/// <param name="id"> Given id. </param>
public void DeleteTestQuestionsAnswersById(int id)
{
using (QuizEntities context = new QuizEntities())
{
var testQuestionAnswer = context.TestQuestionsAnswers.FirstOrDefault(r => r.Id == id);
context.TestQuestionsAnswers.Remove(testQuestionAnswer);
context.SaveChanges();
}
}
/// <summary>
/// Updates TestType by id
/// </summary>
/// <param name="id"> Given id </param>
/// <param name="type"> Given type </param>
public void UpdateTestTypeById(int id, string type)
{
using (QuizEntities context = new QuizEntities())
{
var testType = context.TestTypes.FirstOrDefault(r => r.Id == id);
testType.Type = type;
context.SaveChanges();
}
}
/// <summary>
/// Updates Technology Question by a given id
/// </summary>
/// <param name="id"> Question technology id </param>
public void UpdateTechnologyQuestionById(int id, string givenTechnology)
{
using (QuizEntities context = new QuizEntities())
{
var technologyQuestion = context.TechnologyQuestions.FirstOrDefault(r => r.Id == id);
technologyQuestion.TechnologyQuestionText = givenTechnology;
context.SaveChanges();
}
}
/// <summary>
/// Deletes Technology Question by Name
/// </summary>
/// <param name="givenTechnology"> Given Technology question name </param>
public void DeleteTechnologyQuestionByName(string givenTechnology)
{
using (QuizEntities context = new QuizEntities())
{
var technologyQuestion = context.TechnologyQuestions.FirstOrDefault(r => r.TechnologyQuestionText == givenTechnology);
context.TechnologyQuestions.Remove(technologyQuestion);
context.SaveChanges();
}
}
/// <summary>
/// Deletes a user by a given username.
/// </summary>
/// <param name="username"> Given Username </param>
public void DeleteUserByUsername(string username)
{
using (QuizEntities context = new QuizEntities())
{
var user = context.Users.FirstOrDefault(r => r.Username == username);
context.Users.Remove(user);
context.SaveChanges();
}
}
/// <summary>
/// Sets isFinished state by user id and test id
/// </summary>
/// <param name="userId"> Given user id </param>
/// <param name="testId"> Given test id </param>
/// <param name="isFinished"> Given isFinished status </param>
public void SetStateByUserAndTestId(int userId, int testId, bool isFinished)
{
using (QuizEntities context = new QuizEntities())
{
var userTest = context.UserTests.FirstOrDefault(r => r.UserID == userId && r.TestId == testId);
userTest.IsFinished = isFinished;
context.SaveChanges();
}
}
/// <summary>
/// Sets test id by id
/// </summary>
/// <param name="id"> Given id </param>
/// <param name="testId"> Given test id</param>
public void SetTestIdById(int id, int testId)
{
using (QuizEntities context = new QuizEntities())
{
var userTest = context.UserTests.FirstOrDefault(r => r.Id == id);
userTest.TestId = testId;
context.SaveChanges();
}
}
//update data
/// <summary>
/// Updates an answer after a given Id.
/// </summary>
/// <param name="id"> Given Id </param>
/// <param name="textAnswer"> Given text of the answer </param>
/// <param name="QuestionID"> Given question Id </param>
/// <param name="Value"> Given value of the answer </param>
public void UpdateAnswer(int id, string textAnswer, int QuestionID, bool value)
{
using (QuizEntities context = new QuizEntities())
{
var answer = context.Answers.FirstOrDefault(r => r.Id == id);
answer.Text_Answer = textAnswer;
answer.QuestionID = QuestionID;
answer.Value = value;
context.SaveChanges();
}
}
/// <summary>
/// Updates questions with answers given by the user by deleting and then adding the test questions with answers.
/// </summary>
/// <param name="QuestionID"> Given QuestionID</param>
/// <param name="testId"> Given TestID </param>
/// <param name="answersId"> Given AnswerID </param>
public void UpdateQuestionAnswersDal(int QuestionID, int testId, List <int> answersId, int userId, bool isReviewQuestion)
{
using (QuizEntities context = new QuizEntities())
{
var _testQuestionsAnswerList = context.TestQuestionsAnswers.Where(r => r.QuestionID == QuestionID && r.TestId == testId && r.UserID == userId).ToList();
context.TestQuestionsAnswers.RemoveRange(_testQuestionsAnswerList);
context.SaveChanges();
}
AddQuestionsAnswersDal(QuestionID, testId, answersId, userId, isReviewQuestion);
}
//update data
/// <summary>
/// Updates a testQuestion by a given Id.
/// </summary>
/// <param name="id"> Given Id. </param>
/// <param name="testId"> Given TestId. </param>
/// <param name="QuestionID"> Given QuestionID. </param>
public void UpdateTestQuestion(int id, int testId, int QuestionID)
{
using (QuizEntities context = new QuizEntities())
{
var testQuestion = context.TestQuestions.FirstOrDefault(r => r.Id == id);
testQuestion.TestId = testId;
testQuestion.QuestionID = QuestionID;
context.SaveChanges();
}
}
/// <summary>
/// Adds a test type to database
/// </summary>
/// <param name="type"> Given Type </param>
public void AddTestType(string type)
{
using (QuizEntities context = new QuizEntities())
{
var testType = new TestType
{
Type = type
};
context.TestTypes.Add(testType);
context.SaveChanges();
}
}
//update data
/// <summary>
/// Updates user test
/// </summary>
/// <param name="id"> Given Id </param>
/// <param name="userId"> Given User Id </param>
/// <param name="testId"> Given Test Id </param>
/// <param name="isFinished"> Given status </param>
public void UpdateUserTest(int id, int userId, int testId, bool isFinished)
{
using (QuizEntities context = new QuizEntities())
{
var userTest = context.UserTests.FirstOrDefault(r => r.Id == id);
userTest.UserID = userId;
userTest.TestId = testId;
userTest.IsFinished = isFinished;
context.SaveChanges();
}
}
/// <summary>
/// Adds a question technology
/// </summary>
/// <param name="givenTechnology"> Given technology </param>
public void AddTechnologyQuestion(string givenTechnology)
{
using (QuizEntities context = new QuizEntities())
{
var technologyQuestion = new TechnologyQuestion
{
TechnologyQuestionText = givenTechnology
};
context.TechnologyQuestions.Add(technologyQuestion);
context.SaveChanges();
}
}
public void UpdateQuestionAnswersDal(int QuestionID, int testId, int answerId, int userId, bool isReviewQuestion)
{
using (QuizEntities context = new QuizEntities())
{
TestQuestionsAnswer _testQuestionsAnswer = context.TestQuestionsAnswers.FirstOrDefault(r => r.QuestionID == QuestionID);
_testQuestionsAnswer.AnswerId = answerId;
_testQuestionsAnswer.UserID = userId;
_testQuestionsAnswer.IsReviewQuestion = isReviewQuestion;
context.SaveChanges();
}
}
//add data
/// <summary>
/// Add answer to database
/// </summary>
/// <param name="textAnswer"> Given Answer text </param>
/// <param name="QuestionID"> Given Question Id </param>
/// <param name="value"> Given question value </param>
public void AddAnswer(string textAnswer, int QuestionID, bool value)
{
using (QuizEntities context = new QuizEntities())
{
var answer = new Answer
{
Text_Answer = textAnswer,
QuestionID = QuestionID,
Value = value
};
context.Answers.Add(answer);
context.SaveChanges();
}
}
//add data
/// <summary>
/// Adds a TestQuestion to database
/// </summary>
/// <param name="id"></param>
/// <param name="testId"></param>
/// <param name="QuestionID"></param>
public void AddTestQuestion(int testId, int QuestionID)
{
using (QuizEntities context = new QuizEntities())
{
var testQuestion = new TestQuestion
{
TestId = testId,
QuestionID = QuestionID
};
context.TestQuestions.Add(testQuestion);
context.SaveChanges();
}
}
/// <summary>
/// Updates a user by a given id.
/// </summary>
/// <param name="id"> Given Id </param>
/// <param name="username"> Given Username </param>
/// <param name="email"> Given email </param>
/// <param name="isActive"> Given Active status </param>
/// <param name="isAdmin"> Given Admin status </param>
public void UpdateUser(int id, string username, string email, bool isActive, bool isAdmin)
{
using (QuizEntities context = new QuizEntities())
{
var user = context.Users.FirstOrDefault(r => r.Id == id);
user.Username = username;
user.Email = email;
user.ActivStatus = isActive;
user.IsAdmin = isAdmin;
context.SaveChanges();
}
}
//update data
/// <summary>
/// Updates test by given id
/// </summary>
/// <param name="id"> Given id </param>
/// <param name="testTypeId"> Given test type id </param>
/// <param name="name"> Given name </param>
/// <param name="levelTest"> Given level test</param>
/// <param name="numberOfQuestions"> Given number of questions </param>
public void UpdateTest(int id, int testTypeId, string name, string levelTest, int numberOfQuestions)
{
using (QuizEntities context = new QuizEntities())
{
var test = context.Tests.FirstOrDefault(r => r.Id == id);
test.TestTypeId = testTypeId;
test.Name = name;
test.LevelTest = levelTest;
test.NumberOfQuestions = numberOfQuestions;
context.SaveChanges();
}
}
/// <summary>
/// Updates question by a given Id
/// </summary>
/// <param name="id"> Given question id </param>
/// <param name="textQuestion"> Given Question Text </param>
/// <param name="typeQuestion"> Given Question Type </param>
/// <param name="levelQuestion"> Given Question Level </param>
/// <param name="questionTechnologyId"> Given Question Technology Id </param>
public void UpdateQuestion(int id, string textQuestion, string typeQuestion, string levelQuestion, int questionTechnologyId)
{
using (QuizEntities context = new QuizEntities())
{
var question = context.Questions.FirstOrDefault(r => r.Id == id);
question.Text_Question = textQuestion;
question.TypeQuestion = typeQuestion;
question.LevelQuestion = levelQuestion;
question.QuestionTechnologyID = questionTechnologyId;
context.SaveChanges();
}
}