106 lines
4.2 KiB
Plaintext
106 lines
4.2 KiB
Plaintext
@page "/students/edit"
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@attribute [Authorize]
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@using Microsoft.EntityFrameworkCore
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@inject AppDbContext Context
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@inject NavigationManager NavigationManager
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<PageTitle>Edit Student - TSA Chapter Organizer</PageTitle>
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<MudText Typo="Typo.h3">Edit</MudText>
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<MudText Typo="Typo.h4">Student@(@Student == null ? "" : $" ({Student.Name})")</MudText>
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@if (Student is null)
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{
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<p><em>Loading...</em></p>
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}
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else
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{
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/* https://www.mudblazor.com/components/form */
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/* https://medium.com/@husainalbar/applying-mudblazor-for-crud-operations-in-our-blazor-project-a343037a52ef */
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<EditForm method="post" Model="Student" OnValidSubmit="UpdateStudent" FormName="edit" Enhance>
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<AntiforgeryToken />
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<DataAnnotationsValidator/>
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<MudGrid>
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<MudItem xs="12" sm="7">
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<MudPaper Class="pa-4">
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<MudTextField T="string" Label="First Name" @bind-Value="Student.FirstName" For="@(() => Student.FirstName)"></MudTextField>
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<MudTextField T="string" Label="Last Name" @bind-Value="Student.LastName" For="@(() => Student.LastName)"></MudTextField>
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<MudTextField T="string" Label="Email Adress" @bind-Value="Student.Email" For="@(() => Student.Email)"></MudTextField>
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<MudTextField T="string" Label="Phone Number" @bind-Value="Student.PhoneNumber" For="@(() => Student.PhoneNumber)"></MudTextField>
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<MudTextField T="int" Label="Grade" @bind-Value="Student.Grade" For="@(() => Student.Grade)"></MudTextField>
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<MudTextField T="int" Label="TSA Year" @bind-Value="Student.TsaYear" For="@(() => Student.TsaYear)"></MudTextField>
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<MudTextField T="string" Label="Regional Id" @bind-Value="Student.RegionalId" For="@(() => Student.RegionalId)"></MudTextField>
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<MudTextField T="string" Label="State Id" @bind-Value="Student.StateId" For="@(() => Student.StateId)"></MudTextField>
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<MudTextField T="string" Label="National Id" @bind-Value="Student.NationalId" For="@(() => Student.NationalId)"></MudTextField>
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<MudSelect T="OfficerRole?" @bind-Value="@Student.OfficerRole" Label="Officer Role">
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<MudSelectItem T="OfficerRole?" Value="@null">-not an officer-</MudSelectItem>
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@foreach (var officerRole in Enum.GetValues(typeof(OfficerRole)).Cast<OfficerRole>())
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{
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<MudSelectItem T="OfficerRole?" Value="@(officerRole)"></MudSelectItem>
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}
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</MudSelect>
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</MudPaper>
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</MudItem>
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</MudGrid>
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<MudButton StartIcon="@Icons.Material.Filled.ArrowBack" Href="@(ReturnUrl ?? "/students")">Back</MudButton>
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<MudButton StartIcon="@Icons.Material.Filled.Save" OnClick="UpdateStudent">Save</MudButton>
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</EditForm>
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}
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@code {
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[SupplyParameterFromQuery]
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private int Id { get; set; }
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[SupplyParameterFromQuery]
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private string? ReturnUrl { get; set; }
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[SupplyParameterFromForm]
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private Student? Student { get; set; }
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protected override async Task OnInitializedAsync()
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{
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Student ??= await Context.Students.FirstOrDefaultAsync(m => m.Id == Id);
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if (Student is null)
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{
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NavigationManager.NavigateTo("notfound");
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}
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}
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// To protect from overposting attacks, enable the specific properties you want to bind to.
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// For more information, see https://learn.microsoft.com/aspnet/core/blazor/forms/#mitigate-overposting-attacks.
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private async Task UpdateStudent()
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{
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if (Student.OfficerRole == 0)
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Student.OfficerRole = null;
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Context.Attach(Student!).State = EntityState.Modified;
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try
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{
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await Context.SaveChangesAsync();
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}
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catch (DbUpdateConcurrencyException)
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{
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if (!StudentExists(Student!.Id))
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{
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NavigationManager.NavigateTo("notfound");
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}
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else
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{
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throw;
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}
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}
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NavigationManager.NavigateTo(ReturnUrl ?? "/students");
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}
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private bool StudentExists(int id)
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{
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return Context.Students.Any(e => e.Id == id);
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}
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}
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