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Fehlerbehebung bei leerer DB;

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Tokk
2020-06-10 19:27:01 +02:00
parent e57f1fb172
commit c7dfcf918f
3 changed files with 11 additions and 6 deletions
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2
MultipleChoiceTrainer/Controllers/HomeController.cs
View File

@@ -30,7 +30,7 @@ namespace MultipleChoiceTrainer.Controllers
if (signInManager.IsSignedIn(User)) if (signInManager.IsSignedIn(User))
{ {
var categories = context.Categories.Include(e => e.Sections).ThenInclude(e => e.Questions).ToList(); var categories = context.Categories.Include(e => e.Sections).ThenInclude(e => e.Questions).ToList();
var selectedCategory = categoryId.HasValue ? categoryId.Value : categories.First().Id; var selectedCategory = categoryId ?? (categories.FirstOrDefault()?.Id);
return View(new HomeViewModel() { Categories = categories, SelectedCategoryId = selectedCategory }); return View(new HomeViewModel() { Categories = categories, SelectedCategoryId = selectedCategory });
} }
return View(); return View();

2
MultipleChoiceTrainer/Models/HomeViewModel.cs
View File

@@ -9,6 +9,6 @@ namespace MultipleChoiceTrainer.Models
public class HomeViewModel public class HomeViewModel
{ {
public IList<Category> Categories { get; set; } public IList<Category> Categories { get; set; }
public int SelectedCategoryId { get; set; } public int? SelectedCategoryId { get; set; }
} }
} }

9
MultipleChoiceTrainer/Views/Home/_homeLogInPartial.cshtml
View File

@@ -20,13 +20,15 @@
<p class="text-black-50"> <p class="text-black-50">
<a asp-action="edit" asp-controller="Categories" asp-route-id="@category.Id" class="text-black-50"><i class="far fa-edit"></i> Kurs bearbeiten</a> &nbsp;&nbsp;&nbsp; <a asp-action="edit" asp-controller="Categories" asp-route-id="@category.Id" class="text-black-50"><i class="far fa-edit"></i> Kurs bearbeiten</a> &nbsp;&nbsp;&nbsp;
<a asp-action="create" asp-controller="Sections" asp-route-categoryId="@category.Id" class="text-black-50"><i class="far fa-plus"></i> Lektion hinzufügen</a> &nbsp;&nbsp;&nbsp; <a asp-action="create" asp-controller="Sections" asp-route-categoryId="@category.Id" class="text-black-50"><i class="far fa-plus"></i> Lektion hinzufügen</a> &nbsp;&nbsp;&nbsp;
@if (category.Sections.Any(e => e.Questions.Any())) {
<a asp-action="category" asp-controller="Quiz" asp-route-id="@category.Id" class="text-black-50"><i class="far fa-map-marker-question"></i> Quiz starten</a> <a asp-action="category" asp-controller="Quiz" asp-route-id="@category.Id" class="text-black-50"><i class="far fa-map-marker-question"></i> Quiz starten</a>
}
</p> </p>
<div class="list-group"> <div class="list-group">
@foreach (var sub in category.Sections) @foreach (var sub in category.Sections)
{ {
<ul class="list-group-item list-group-item-action"> <div class="list-group-item list-group-item-action">
<div class="d-flex w-100 justify-content-between"> <div class="d-flex w-100 justify-content-between">
<h5 class="mb-1">@sub.Name <small class="text-muted">@sub.Description</small></h5> <h5 class="mb-1">@sub.Name <small class="text-muted">@sub.Description</small></h5>
<small><a asp-action="list" asp-controller="questions" asp-route-sectionId="@sub.Id" class="text-decoration-none text-black-50">@sub.Questions.Count() Fragen</a></small> <small><a asp-action="list" asp-controller="questions" asp-route-sectionId="@sub.Id" class="text-decoration-none text-black-50">@sub.Questions.Count() Fragen</a></small>
@@ -34,9 +36,12 @@
<p class="text-black-50"> <p class="text-black-50">
<a asp-action="edit" asp-controller="Sections" asp-route-id="@sub.Id" class="text-black-50"><i class="far fa-edit"></i> Lektion bearbeiten</a> &nbsp;&nbsp;&nbsp; <a asp-action="edit" asp-controller="Sections" asp-route-id="@sub.Id" class="text-black-50"><i class="far fa-edit"></i> Lektion bearbeiten</a> &nbsp;&nbsp;&nbsp;
<a asp-action="create" asp-controller="Questions" asp-route-sectionId="@sub.Id" class="text-black-50"><i class="far fa-plus"></i> Frage hinzufügen</a> &nbsp;&nbsp;&nbsp; <a asp-action="create" asp-controller="Questions" asp-route-sectionId="@sub.Id" class="text-black-50"><i class="far fa-plus"></i> Frage hinzufügen</a> &nbsp;&nbsp;&nbsp;
@if (sub.Questions.Count > 0)
{
<a asp-action="section" asp-controller="Quiz" asp-route-id="@sub.Id" class="text-black-50"><i class="far fa-map-marker-question"></i> Quiz starten</a> <a asp-action="section" asp-controller="Quiz" asp-route-id="@sub.Id" class="text-black-50"><i class="far fa-map-marker-question"></i> Quiz starten</a>
}
</p> </p>
</ul> </div>
} }
</div> </div>