Response ValidateRequest(Base64RequestMessage requestMessage)
{
var response = Response.Create();
if (requestMessage == null)
{
requestMessage = new Base64RequestMessage(Guid.NewGuid());
}
if (string.IsNullOrEmpty(requestMessage.BucketName))
{
response.WithBusinessError(nameof(requestMessage.BucketName), "O nome do bucket é obrigatório.");
}
if (string.IsNullOrEmpty(requestMessage.BucketName))
{
response.WithBusinessError(nameof(requestMessage.BucketName), "O nome do bucket é obrigatório.");
}
if (string.IsNullOrEmpty(requestMessage.FolderName))
{
response.WithBusinessError(nameof(requestMessage.FolderName), "O nome do folder é obrigatório.");
}
if (string.IsNullOrEmpty(requestMessage.FileExtension))
{
response.WithBusinessError(nameof(requestMessage.FileExtension), "A extensão do arquivo é obrigatória.");
}
return(response);
}
public async Task <Response <Base64ResponseMessage> > GetBase64Async(Base64RequestMessage requestMessage)
{
var response = Response <Base64ResponseMessage> .Create();
if (response.WithMessages(ValidateRequest(requestMessage).Messages).HasError)
{
return(response);
}
using (var stream = await TransferUtility.OpenStreamAsync(requestMessage.BucketName, $"{requestMessage.FolderName}/{requestMessage.FileName}"))
{
byte[] bytes;
using (var memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
bytes = memoryStream.ToArray();
}
var images = new List <string> {
"jpg", "jpeg", "gif", "png", "bmp"
};
if (requestMessage.FileExtension.Contains("pdf"))
{
response.Data.Value.Base64 = $"data:application/pdf;base64,{Convert.ToBase64String(bytes)}";
}
else if (images.Contains(requestMessage.FileExtension.Replace(".", "")))
{
response.Data.Value.Base64 = $"data:image/{requestMessage.FileExtension.Replace(".", "")};base64,{Convert.ToBase64String(bytes)}";
}
else
{
response.Data.Value.Base64 = $"data:application/octet-stream;base64,{Convert.ToBase64String(bytes)}";
}
}
response.Data.Value.BucketName = requestMessage.BucketName;
response.Data.Value.FolderName = requestMessage.FolderName;
response.Data.Value.FileName = requestMessage.FileName;
response.Data.Value.FileExtension = requestMessage.FileExtension;
response.Data.Value.Link = $"{Options.Value.StorageAws.BaseUrl}/{requestMessage.FolderName}/{requestMessage.FileName}";
return(response);
}
public async Task <IActionResult> GetBase64Async([FromQuery] Base64RequestMessage requestMessage) => await TryAsync(() => StorageExternalService.GetBase64Async(requestMessage));
