279 lines
12 KiB
Plaintext
279 lines
12 KiB
Plaintext
@page "/settings/quizzes/questions/{id}"
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@using FWLAZ_Web.Data
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@using FWLAZ_Web.Objects
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@using Microsoft.AspNetCore.Authorization
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@using Microsoft.EntityFrameworkCore;
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@inject IDbContextFactory<LocalDbContext> DbFactory;
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@inject NavigationManager nav;
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@attribute [Authorize]
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<h1>Questions for '@SelectedItem.Name'</h1>
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<button type="button" @onclick="SaveQuiz" class="btn btn-primary">Save</button>
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<div class="border border-2 rounded p-3 w-100 m-3">
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<h3>New Question</h3>
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<h3>Questiongroups</h3>
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@foreach (QuestionGroupSelect qg in questionGroups)
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{
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<div class="form-check form-check-inline">
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<input class="form-check-input" type="checkbox" @bind="qg.Checked" />
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<label class="form-check-label">@qg.questionGroup.Name</label>
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</div>
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}
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<div class="row">
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<div class="col-sm-1">
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<input class="form-control col-sm" type="number" @bind="NewQuestion.Number" />
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</div>
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<div class="col-sm">
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<input class="form-control" type="text" @ref="txtNewQuestionText" @bind="NewQuestion.Text" />
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</div>
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</div>
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<h3>Answers</h3>
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@foreach (Answer aw in NewQuestion.Answers)
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{
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<div class="input-group mb-3">
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<div class="input-group-text">
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@* @if (SelectedItem.IsMultipleChoice)
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{ *@
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<input class="form-check-input mt-0" type="checkbox" @bind="aw.IsCorrect" @onkeyup="AddQuestion_Enter" />
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@* }
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else
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{
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<input class="form-check-input mt-0" type="radio" @onchange="() => SetSingleChoiceAnswer(NewQuestion, aw)" name="NewQuestion_Answers" @onkeyup="AddQuestion_Enter" />
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} *@
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</div>
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<input class="form-control col-sm" style="max-width:70px;" type="text" @bind="aw.Position" @onkeyup="AddQuestion_Enter" />
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<input class="form-control" type="text" @bind="aw.Text" @onkeyup="AddQuestion_Enter" />
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<button class="btn btn-outline-secondary" type="button" @onclick="() => RemoveAnswer(NewQuestion, aw)">Remove</button>
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</div>
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}
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<button type="button" @onclick="AddQuestion" class="btn btn-primary">Add Question</button>
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<button type="button" @onclick="() => AddAnswerBox(NewQuestion)" class="btn btn-secondary">More Answers</button>
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</div>
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<div class="border border-2 rounded p-3 w-100 m-3">
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<h3>Existing Questions</h3>
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<div class="accordion" id="accordion_questions">
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@{
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int tabcount = 1;
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}
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@foreach (Question question in SelectedItem.Questions)
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{
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<div class="accordion-item">
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<h2 class="accordion-header">
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<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapse_@tabcount" aria-expanded="false" aria-controls="collapse_@tabcount">
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@question.Number. @question.Text
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</button>
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</h2>
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<div id="collapse_@tabcount" class="accordion-collapse collapse" data-bs-parent="#accordion_questions">
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<div class="accordion-body">
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<div class="row">
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<div class="col-sm-1">
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<input class="form-control col-sm" type="number" @bind="question.Number" />
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</div>
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<div class="col-sm">
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<input class="form-control" type="text" @bind="question.Text" />
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</div>
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</div>
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<h3>Question groups</h3>
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<div class="d-flex gap-3">
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<div class="border border-2 rounded p-3 w-100">
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<h4>Added</h4>
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<ul class="list-group">
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@foreach (QuestionGroupSelect qgs in questionGroups.Where(qgs => question.QuestionGroups.Any(qg => qg.Id == qgs.questionGroup.Id)))
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{
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<li class="list-group-item list-group-item-action align-middle z-0" @onclick="args => RemoveQuestionGroup(question, qgs.questionGroup)">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-dash-circle text-danger" viewBox="0 0 16 16">
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<path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16" />
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<path d="M4 8a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 0 1h-7A.5.5 0 0 1 4 8" />
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</svg>
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<label class="form-check-label stretched-link">@qgs.questionGroup.Name</label>
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</li>
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}
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</ul>
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</div>
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<div class="border border-2 rounded p-3 w-100">
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<h4>Remaining</h4>
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<ul class="list-group">
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@foreach (QuestionGroupSelect qgs in questionGroups.Where(qgs => question.QuestionGroups.Any(qg => qg.Id == qgs.questionGroup.Id) == false))
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{
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<li class="list-group-item list-group-item-action align-middle z-0" @onclick="args => AddQuestionGroup(question, qgs.questionGroup)">
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<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-plus-circle text-success" viewBox="0 0 16 16">
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<path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14m0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16" />
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<path d="M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4" />
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</svg>
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<label class="form-check-label stretched-link">@qgs.questionGroup.Name</label>
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</li>
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}
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</ul>
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</div>
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</div>
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<h3>Answers</h3>
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@foreach (Answer aw in question.Answers)
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{
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<div class="input-group mb-3">
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<div class="input-group-text">
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<input class="form-check-input mt-0" type="checkbox" @bind="aw.IsCorrect" />
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</div>
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<input class="form-control col-sm" style="max-width:70px;" type="text" @bind="aw.Position" />
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<input class="form-control" type="text" @bind="aw.Text" />
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<button class="btn btn-outline-secondary" type="button" @onclick="() => RemoveAnswer(question, aw)">Remove</button>
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</div>
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}
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<button @onclick="() => AddAnswerBox(question)" class="btn btn-primary">More Answers</button>
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<button @onclick="() => RemoveQuestion(question)" class="btn btn-danger">Delete question</button>
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</div>
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</div>
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</div>
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tabcount++;
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}
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</div>
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</div>
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@code {
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[Parameter]
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public string Id { get; set; } = null!;
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ElementReference txtNewQuestionText;
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public Quiz SelectedItem { get; set; } = null!;
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private Question NewQuestion = null!;
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private int DefaultAnswerCount = 3;
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private List<QuestionGroupSelect> questionGroups = new();
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private string PrevURL = "/settings/quizzes";
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private LocalDbContext? DbContext;
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protected override async Task OnInitializedAsync()
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{
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DbContext ??= await DbFactory.CreateDbContextAsync();
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if (DbContext == null) return;
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SelectedItem = DbContext.Quiz.Include(q => q.Questiongroups).ThenInclude(qg => qg.Questions).ThenInclude(qu => qu.Answers).Single(q => q.Id == Convert.ToInt32(Id));
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foreach (QuestionGroup qg in SelectedItem.Questiongroups)
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{
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questionGroups.Add(new(qg));
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}
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PrepareNewQuestion();
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}
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private void PrepareNewQuestion()
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{
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NewQuestion = new();
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if (SelectedItem.Questions.Count > 0)
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{
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NewQuestion.Number = SelectedItem.Questions.Max(q => q.Number) + 1;
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}
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else
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{
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NewQuestion.Number = 1;
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}
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NewQuestion.Quiz = SelectedItem;
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for (int i = 0; i < DefaultAnswerCount; i++)
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{
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AddAnswerBox(NewQuestion);
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}
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}
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private void SetSingleChoiceAnswer(Question question, Answer answer)
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{
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question.Answers.ForEach(aw => aw.IsCorrect = false);
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answer.IsCorrect = true;
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}
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private async Task AddQuestion_Enter(KeyboardEventArgs e)
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{
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if (e.Code == "Enter" || e.Code == "NumpadEnter") await AddQuestion(new MouseEventArgs());
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}
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private async Task AddQuestion(MouseEventArgs e)
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{
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NewQuestion.Answers.RemoveAll(aw => aw.Text == null || aw.Text.Trim().Length == 0);
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if (NewQuestion.Answers.Count == 0 ||
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NewQuestion.Text == null ||
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NewQuestion.Text.Trim().Length == 0 ||
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NewQuestion.Answers.Count(aw => aw.IsCorrect) == 0 ||
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questionGroups.Count(qg => qg.Checked == true) == 0
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) return;
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foreach (QuestionGroupSelect qgs in questionGroups.Where(qg => qg.Checked))
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{
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NewQuestion.QuestionGroups.Add(qgs.questionGroup);
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}
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DefaultAnswerCount = NewQuestion.Answers.Count;
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SelectedItem.Questions.Add(NewQuestion);
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PrepareNewQuestion();
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await txtNewQuestionText.FocusAsync();
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}
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private void RemoveAnswer(Question question, Answer answer)
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{
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question.Answers.Remove(answer);
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}
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private void AddAnswerBox(Question question)
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{
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char CurLetter = 'a';
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for (int i = 0; i < question.Answers.Count; i++)
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{
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CurLetter = NextChar(CurLetter);
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}
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question.Answers.Add(new() { Position = CurLetter.ToString() });
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}
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private void RemoveQuestion(Question question)
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{
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SelectedItem.Questions.Remove(question);
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}
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private void RemoveQuestionGroup(Question question, QuestionGroup questionGroup)
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{
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question.QuestionGroups.Remove(questionGroup);
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}
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private void AddQuestionGroup(Question question, QuestionGroup questionGroup)
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{
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if (question.QuestionGroups.Any(qg => qg.Id == questionGroup.Id)) return;
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question.QuestionGroups.Add(questionGroup);
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}
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private char NextChar(char StartLetter)
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{
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if (StartLetter == 'z')
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{
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return 'a';
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}
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else if (StartLetter == 'Z')
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{
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return 'A';
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}
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else
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{
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return (char)(((int)StartLetter) + 1);
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}
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}
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private async Task SaveQuiz(MouseEventArgs e)
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{
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foreach (Question question in SelectedItem.Questions)
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{
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question.Answers.RemoveAll(aw => aw.Text == null || aw.Text.Trim().Length == 0);
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}
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DbContext ??= await DbFactory.CreateDbContextAsync();
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if (DbContext == null) return;
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DbContext.Quiz.Update(SelectedItem);
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await DbContext.SaveChangesAsync();
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nav.NavigateTo(PrevURL);
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}
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}
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