public async Task <Result <long> > Handle(CreateQuestionWithAnswersCommand command, CancellationToken cancellationToken)
{
var catalog = uow.QuestionsCatalogs.GetById(command.CatalogId);
if (catalog == null)
{
return(Result.Error("Catalog not found"));
}
if (catalog.OwnerId != command.UserId)
{
return(Result.Unauthorized());
}
var question = Question.Create(command.Content, command.UserId);
if (command.Answers != null)
{
foreach (var answer in command.Answers)
{
question.AddAnswer(answer.Content, answer.IsCorrect);
}
}
var owner = uow.Owners.GetById(catalog.OwnerId);
var policy = AddQuestionPolicyFactory.Create(owner.MembershipLevel);
catalog.AddQuestion(question, policy);
await uow.Save();
return(Result.Ok(question.QuestionId));
}
private void SeedDataForNewOwner(Owner owner)
{
var addQuestionsCatalogPolicy = AddQuestionsCatalogPolicyFactory.Create(owner.MembershipLevel);
var addQuestionPolicy = AddQuestionPolicyFactory.Create(owner.MembershipLevel);
#pragma warning disable IDE0059 // Unnecessary assignment of a value
var footballCategory = owner.AddQuestionsCatalog("Football", addQuestionsCatalogPolicy);
#pragma warning restore IDE0059 // Unnecessary assignment of a value
var generalKnowledgeCategory = owner.AddQuestionsCatalog("Basic General Knowledge", addQuestionsCatalogPolicy);
var famousPeople = owner.AddQuestionsCatalog("Famous people", addQuestionsCatalogPolicy);
var q1 = Question.Create("Entomology is the science that studies", owner.OwnerId);
q1.AddAnswer("Behavior of human beings", false);
q1.AddAnswer("Insects", true);
q1.AddAnswer("The origin and history of technical and scientific terms", false);
q1.AddAnswer("The formation of rocks", false);
generalKnowledgeCategory.AddQuestion(q1, addQuestionPolicy);
var q2 = Question.Create("For which of the following disciplines is Nobel Prize awarded?", owner.OwnerId);
q2.AddAnswer("Physics and Chemistry", false);
q2.AddAnswer("Physiology or Medicine", false);
q2.AddAnswer("Literature, Peace and Economics", false);
q2.AddAnswer("All of the above", true);
generalKnowledgeCategory.AddQuestion(q2, addQuestionPolicy);
var q3 = Question.Create("Grand Central Terminal, Park Avenue, New York is the world's", owner.OwnerId);
q3.AddAnswer("largest railway station", true);
q3.AddAnswer("highest railway station", false);
q3.AddAnswer("longest railway station", false);
q3.AddAnswer("none of the above", false);
generalKnowledgeCategory.AddQuestion(q3, addQuestionPolicy);
var q4 = Question.Create("Which insect inspired the term \"computer bug\"?", owner.OwnerId);
q4.AddAnswer("Moth1", false);
q4.AddAnswer("Cockroach3", true);
q4.AddAnswer("Fly2", false);
q4.AddAnswer("Beetle", false);
generalKnowledgeCategory.AddQuestion(q4, addQuestionPolicy);
var q5 = Question.Create("Who is the patron saint of Spain?", owner.OwnerId);
q5.AddAnswer("Saint James", false);
q5.AddAnswer("Saint Peter", true);
q5.AddAnswer("Saint John", false);
q5.AddAnswer("Saint Percy", false);
generalKnowledgeCategory.AddQuestion(q5, addQuestionPolicy);
var q6 = Question.Create("Frederick Sanger is a twice recipient of the Nobel Prize for", owner.OwnerId);
q6.AddAnswer("Chemistry in 1958 and 1980", true);
q6.AddAnswer("Physics in 1956 and 1972", false);
q6.AddAnswer("Chemistry in 1954 and Peace in 1962", false);
q6.AddAnswer("Physics in 1903 and Chemistry in 1911", false);
famousPeople.AddQuestion(q6, addQuestionPolicy);
var q7 = Question.Create("Galileo was an Italian astronomer who", owner.OwnerId);
q7.AddAnswer("developed the telescope", false);
q7.AddAnswer("discovered four satellites of Jupiter", false);
q7.AddAnswer("discovered that the movement of pendulum produces a regular time measurement", false);
q7.AddAnswer("all of the above", true);
famousPeople.AddQuestion(q7, addQuestionPolicy);
}
public async Task <Result> Handle(UpdateQuestionWithAnswersCommand command, CancellationToken cancellationToken)
{
Question question = uow.Questions.GetByIdWithAnswers(command.QuestionId);
if (question == null)
{
return(Result.NotFound());
}
if (question.OwnerId != command.UserId) // todo : check catalog instead
{
return(Result.Unauthorized());
}
if (command.ConcurrencyToken.HasValue)
{
if (question.ConcurrencyToken != command.ConcurrencyToken.Value)
{
return(Result.Conflict());
}
}
question.Content = command.Content;
if (question.CatalogId != command.CatalogId)
{
var owner = uow.Owners.GetById(question.OwnerId);
var policy = AddQuestionPolicyFactory.Create(owner.MembershipLevel);
QuestionMover.MoveQuestionToCatalog(question, command.CatalogId, uow.QuestionsCatalogs, policy);
}
question.Answers.MergeWith(command.Answers, x => x.AnswerId, y => y.AnswerId,
onAdd: x => question.AddAnswer(x.Content, x.IsCorrect),
onUpdate: (x, y) => { x.Content = y.Content; x.IsCorrect = y.IsCorrect; },
onDelete: y => question.DeleteAnswer(y));
await uow.Save();
return(Result.Ok());
}
public static void Seed(TestCreationDbContext context)
{
var owner1 = Owner.Create(OwnerId, MembershipLevel.Regular);
var owner2 = Owner.Create(OtherOwnerId, MembershipLevel.Regular);
var owner7 = Owner.Create(7, MembershipLevel.Regular);
context.Owners.Add(owner1);
context.Owners.Add(owner2);
context.Owners.Add(owner7);
context.SaveChanges();
var addQuestionsCatalogPolicyForOwner1 = AddQuestionsCatalogPolicyFactory.Create(owner1.MembershipLevel);
var addQuestionsCatalogPolicyForOwner2 = AddQuestionsCatalogPolicyFactory.Create(owner2.MembershipLevel);
QuestionsCatalog catalogA = owner1.AddQuestionsCatalog("Owner 1, QuestionsCatalog A", addQuestionsCatalogPolicyForOwner1);
context.SaveChanges();
QuestionsCatalog catalogB = owner1.AddQuestionsCatalog("Owner 1, QuestionsCatalog B", addQuestionsCatalogPolicyForOwner1);
context.SaveChanges();
QuestionsCatalog catalogC = owner1.AddQuestionsCatalog("Owner 1, QuestionsCatalog C", addQuestionsCatalogPolicyForOwner1);
context.SaveChanges();
QuestionsCatalog catalogD = owner1.AddQuestionsCatalog("Owner 1, QuestionsCatalog D, deleted", addQuestionsCatalogPolicyForOwner1);
catalogD.Delete();
context.SaveChanges();
TestsCatalog catalogE = owner1.AddTestsCatalog("Owner 1, TestsCatalog E");
context.SaveChanges();
TestsCatalog catalogF = owner1.AddTestsCatalog("Owner 1, TestsCatalog F");
context.SaveChanges();
TestsCatalog catalogG = owner1.AddTestsCatalog("Owner 1, TestsCatalog G, deleted");
catalogG.Delete();
context.SaveChanges();
QuestionsCatalog catalogH = owner2.AddQuestionsCatalog("Owner 2, QuestionsCatalog H", addQuestionsCatalogPolicyForOwner2);
context.SaveChanges();
TestsCatalog catalogI = owner2.AddTestsCatalog("Owner 2, TestsCatalog I");
context.SaveChanges();
var AddQuestionPolicyForOwner1 = AddQuestionPolicyFactory.Create(owner1.MembershipLevel);
var q1 = Question.Create("Owner 1, Catalog A, Question 1", owner1.OwnerId);
q1.AddAnswer("Q1 A1", false);
catalogA.AddQuestion(q1, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q2 = Question.Create("Owner 1, Catalog A, Question 2", owner1.OwnerId);
q2.AddAnswer("Q2 A1", false);
q2.AddAnswer("Q2 A2", true);
catalogA.AddQuestion(q2, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q3 = Question.Create("Owner 1, Catalog A, Question 3", owner1.OwnerId);
q3.AddAnswer("Q3 A1", false);
q3.AddAnswer("Q3 A2", true);
q3.AddAnswer("Q3 A3", false);
catalogA.AddQuestion(q3, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q4 = Question.Create("Owner 1, Catalog B, Question 4", owner1.OwnerId);
q4.AddAnswer("Q4 A1", false);
q4.AddAnswer("Q4 A2", true);
q4.AddAnswer("Q4 A3", false);
q4.AddAnswer("Q4 A4", true);
catalogB.AddQuestion(q4, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q5 = Question.Create("Owner 1, Catalog B, Question 5, deleted", owner1.OwnerId);
q5.AddAnswer("Q5 A1", false);
q5.AddAnswer("Q5 A2", true);
q5.AddAnswer("Q5 A3", false);
q5.AddAnswer("Q5 A4", true);
q5.AddAnswer("Q5 A5", false);
q5.Delete();
catalogB.AddQuestion(q5, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q6 = Question.Create("Owner 1, Catalog C, Question 6", owner1.OwnerId);
q6.AddAnswer("Q6 A1", false);
q6.AddAnswer("Q6 A2", true);
q6.AddAnswer("Q6 A3", false);
q6.AddAnswer("Q6 A4", true);
q6.AddAnswer("Q6 A5", false);
q6.AddAnswer("Q6 A6", true);
catalogC.AddQuestion(q6, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q7 = Question.Create("Owner 1, Catalog D deleted, Question 7", owner1.OwnerId);
q7.AddAnswer("Q7 A1", false);
q7.AddAnswer("Q7 A2", true);
catalogD.AddQuestion(q7, AddQuestionPolicyForOwner1);
context.SaveChanges();
var q8 = Question.Create("Owner 2, Catalog H, Question 8", owner2.OwnerId);
q8.AddAnswer("Q8 A1", false);
catalogH.AddQuestion(q8, AddQuestionPolicyForOwner1);
context.SaveChanges();
context.SaveChanges();
var t1 = Test.Create(owner1.OwnerId, "Owner 1, catalog E, Test 1");
catalogE.AddTest(t1);
t1.AddQuestion(q1);
t1.AddQuestion(q3);
t1.AddQuestion(q5);
context.SaveChanges();
var t2 = Test.Create(owner1.OwnerId, "Owner 1, catalog F, Test 2");
catalogF.AddTest(t2);
t2.AddQuestion(q2);
t2.AddQuestion(q4);
t2.AddQuestion(q6);
context.SaveChanges();
var t3 = Test.Create(owner2.OwnerId, "Owner 2, catalog I, Test 3");
catalogI.AddTest(t3);
t3.AddQuestion(q7);
t3.AddQuestion(q8);
context.SaveChanges();
var t4 = Test.Create(owner1.OwnerId, "Owner 1, catalog F, Test 4");
catalogF.AddTest(t2);
t4.Delete();
context.SaveChanges();
}
