Add edit view for tested sequential media with form validation

Aaru.Server/Components/Admin/Pages/TestedMedia/Sequential/Edit.razor

@@ -0,0 +1,46 @@
+@page "/admin/tested-media/sequential/edit/{Id:int}"
+@attribute [Authorize]
+@layout AdminLayout
+@rendermode InteractiveServer
+
+@inject Microsoft.EntityFrameworkCore.IDbContextFactory<DbContext> DbContextFactory
+
+<PageTitle>Edit Tested Sequential Media</PageTitle>
+
+@if(_notFound)
+{
+    <div class="alert alert-danger mt-3">Tested sequential media not found.</div>
+}
+else
+{
+    <EditForm Model="_model" OnValidSubmit="HandleValidSubmitAsync">
+        <DataAnnotationsValidator />
+        <ValidationSummary />
+        <div class="mb-3">
+            <label class="form-label">Manufacturer</label>
+            <InputText class="form-control" @bind-Value="_model.Manufacturer" />
+            <ValidationMessage For="@(() => _model.Manufacturer)" />
+        </div>
+        <div class="mb-3">
+            <label class="form-label">Model</label>
+            <InputText class="form-control" @bind-Value="_model.Model" />
+            <ValidationMessage For="@(() => _model.Model)" />
+        </div>
+        <div class="mb-3">
+            <label class="form-label">Medium Type Name</label>
+            <InputText class="form-control" @bind-Value="_model.MediumTypeName" />
+            <ValidationMessage For="@(() => _model.MediumTypeName)" />
+        </div>
+        <button type="submit" class="btn btn-primary">Save</button>
+        <a href="/admin/tested-media/sequential" class="btn btn-secondary ms-2">Cancel</a>
+    </EditForm>
+}
+
+@if(_success)
+{
+    <div class="alert alert-success mt-3">Tested sequential media saved successfully.</div>
+}
+@if(_error)
+{
+    <div class="alert alert-danger mt-3">Error saving tested sequential media.</div>
+}

Aaru.Server/Components/Admin/Pages/TestedMedia/Sequential/Edit.razor.cs

@@ -0,0 +1,78 @@
+using System.ComponentModel.DataAnnotations;
+using Aaru.CommonTypes.Metadata;
+using Microsoft.AspNetCore.Components;
+using DbContext = Aaru.Server.Database.DbContext;
+
+namespace Aaru.Server.Components.Admin.Pages.TestedMedia.Sequential;
+
+public partial class Edit : ComponentBase
+{
+    private bool      _error;
+    private EditModel _model = new();
+    private bool      _notFound;
+    private bool      _success;
+    [Parameter]
+    public int Id { get; set; }
+
+    protected override async Task OnInitializedAsync()
+    {
+        await using DbContext  ctx    = await DbContextFactory.CreateDbContextAsync();
+        TestedSequentialMedia? entity = await ctx.TestedSequentialMedia.FindAsync(Id);
+
+        if(entity != null)
+        {
+            _model = new EditModel
+            {
+                Id             = entity.Id,
+                Manufacturer   = entity.Manufacturer,
+                Model          = entity.Model,
+                MediumTypeName = entity.MediumTypeName
+            };
+        }
+        else
+            _notFound = true;
+    }
+
+    private async Task HandleValidSubmitAsync()
+    {
+        _success = false;
+        _error   = false;
+
+        try
+        {
+            await using DbContext  ctx    = await DbContextFactory.CreateDbContextAsync();
+            TestedSequentialMedia? entity = await ctx.TestedSequentialMedia.FindAsync(_model.Id);
+
+            if(entity == null)
+            {
+                _error = true;
+
+                return;
+            }
+
+            entity.Manufacturer   = _model.Manufacturer;
+            entity.Model          = _model.Model;
+            entity.MediumTypeName = _model.MediumTypeName;
+            await ctx.SaveChangesAsync();
+            _success = true;
+        }
+        catch
+        {
+            _error = true;
+        }
+    }
+
+    public class EditModel
+    {
+        public int Id { get; set; }
+        [Required]
+        [StringLength(100)]
+        public string Manufacturer { get; set; } = string.Empty;
+        [Required]
+        [StringLength(100)]
+        public string Model { get; set; } = string.Empty;
+        [Required]
+        [StringLength(100)]
+        public string MediumTypeName { get; set; } = string.Empty;
+    }
+}