namespace WordVersioning.Api.Services;

public static class PdfUploadValidation
{
    public const string PdfContentType = "application/pdf";

    public static bool IsValidPdf(IFormFile file) =>
        file.FileName.EndsWith(".pdf", StringComparison.OrdinalIgnoreCase)
        && (string.IsNullOrWhiteSpace(file.ContentType)
            || file.ContentType.Equals(PdfContentType, StringComparison.OrdinalIgnoreCase)
            || file.ContentType.Equals("application/octet-stream", StringComparison.OrdinalIgnoreCase));
}