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Enhance file upload validation and UX consistency

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- Tooltip and file input now use `UploadDocument` properties for supported types and max size.
- File input's `accept` attribute set from `UploadDocument.AcceptedFileTypes`.
- Added `<ValidationMessage>` for file input errors.
- Stream size limit uses `UploadDocument.MaxFileSize`.
- Introduced `GetDocumentId()` for parsing document IDs.
- Simplified LINQ in `DeleteSelectedDocuments`.
- `UploadDocument` implements `IValidatableObject` for:
  - GUID format validation.
  - Supported extension checks.
  - File size enforcement.
- Centralized constants for extensions, types, and max size in `UploadDocument`.
This commit is contained in:
Marco Minerva
2026-07-28 15:33:09 +02:00
parent 7d413aa0b3
commit 54609d1718
1 changed files with 43 additions and 8 deletions
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SqlDatabaseVectorSearch/Components/Pages/Documents.razor
+43 -8
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@@ -22,12 +22,13 @@
<div class="col-md-5 col-sm-4 col-5">
<div class="input-group">
<span class="input-group-text">
<Tooltip Title="PDF, DOCX, TXT and MD files are supported, up to 20 MB" Color="TooltipColor.Primary" Placement="TooltipPlacement.Bottom">
<Tooltip Title="@($"{UploadDocument.SupportedExtensionsDescription} files are supported, up to {UploadDocument.MaxFileSizeInMegaBytes} MB")" Color="TooltipColor.Primary" Placement="TooltipPlacement.Bottom">
<Icon Class="d-flex" Color="IconColor.Info" Name="IconName.InfoCircle"></Icon>
</Tooltip>
</span>
<InputFile class="form-control" OnChange="@((e) => Model.File = e.File)" accept=".pdf,.docx,.txt,.md" id="fileInput" />
<InputFile class="form-control" OnChange="@((e) => Model.File = e.File)" accept="@UploadDocument.AcceptedFileTypes" id="fileInput" />
</div>
<ValidationMessage For="@(() => Model.File)" />
</div>
<div class="col-md-5 col-sm-5 col-5">
<div class="input-group">
@@ -188,14 +189,13 @@ else
try
{
await using var inputStream = Model.File.OpenReadStream(20 * 1024 * 1024); // 20 MB
await using var inputStream = Model.File.OpenReadStream(UploadDocument.MaxFileSize);
await using var stream = await inputStream.GetMemoryStreamAsync();
await using var scope = ServiceScopeFactory.CreateAsyncScope();
var vectorSearchService = scope.ServiceProvider.GetRequiredService<VectorSearchService>();
var documentId = string.IsNullOrWhiteSpace(Model.DocumentId) ? null : (Guid?)Guid.Parse(Model.DocumentId);
await vectorSearchService.ImportAsync(EmbeddingRequest.Create(stream, fileName, documentId));
await vectorSearchService.ImportAsync(EmbeddingRequest.Create(stream, fileName, Model.GetDocumentId()));
ToastService.Notify(await CreateToastMessageAsync(ToastType.Success, "Upload document", $"The document '{fileName}' has been successfully uploaded and indexed."));
@@ -219,7 +219,7 @@ else
private async Task DeleteSelectedDocuments()
{
var selectedDocumentIds = documents?.Where(d => d.IsSelected).Select(d => d.Id) ?? [];
var selectedDocumentIds = documents.Where(d => d.IsSelected).Select(d => d.Id);
var options = new ConfirmDialogOptions
{
@@ -289,11 +289,46 @@ else
public string LocalCreationDateString { get; set; } = string.Empty;
}
public class UploadDocument
public class UploadDocument : IValidatableObject
{
public const int MaxFileSizeInMegaBytes = 20;
public const long MaxFileSize = MaxFileSizeInMegaBytes * 1024 * 1024;
public static readonly string[] SupportedExtensions = [".pdf", ".docx", ".txt", ".md"];
public static string AcceptedFileTypes { get; } = string.Join(',', SupportedExtensions);
public static string SupportedExtensionsDescription { get; } = string.Join(", ", SupportedExtensions.Select(e => e.TrimStart('.').ToUpperInvariant()));
public IBrowserFile? File { get; set; }
[RegularExpression(@"^(\{|\()?[0-9a-fA-F]{8}(-?)[0-9a-fA-F]{4}(-?)[0-9a-fA-F]{4}(-?)[0-9a-fA-F]{4}(-?)[0-9a-fA-F]{12}(\}|\))?$", ErrorMessage = "Invalid GUID format.")]
public string? DocumentId { get; set; }
public Guid? GetDocumentId()
=> Guid.TryParse(DocumentId, out var documentId) ? documentId : null;
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
if (!string.IsNullOrWhiteSpace(DocumentId) && !Guid.TryParse(DocumentId, out _))
{
yield return new ValidationResult("Invalid GUID format.", [nameof(DocumentId)]);
}
if (File is null)
{
yield break;
}
if (!SupportedExtensions.Contains(Path.GetExtension(File.Name), StringComparer.OrdinalIgnoreCase))
{
yield return new ValidationResult($"Only {SupportedExtensionsDescription} files are supported.", [nameof(File)]);
}
if (File.Size > MaxFileSize)
{
yield return new ValidationResult($"The file exceeds the maximum allowed size of {MaxFileSizeInMegaBytes} MB.", [nameof(File)]);
}
}
}
}