/// <summary>
/// Helper function
/// </summary>
public static async Task <IEnumerable <EmailToSend> > FromEntities(int tenantId, IEnumerable <EmailForSave> emails, IBlobService blobService, CancellationToken cancellation)
{
var result = new List <EmailToSend>();
foreach (var emailForSave in emails)
{
string body = null;
if (!string.IsNullOrWhiteSpace(emailForSave.BodyBlobId))
{
var bodyBlobName = EmailUtil.EmailBodyBlobName(emailForSave.BodyBlobId);
var bodyContent = bodyBlobName == null ? null : await blobService.LoadBlobAsync(tenantId, bodyBlobName, cancellation);
body = Encoding.UTF8.GetString(bodyContent);
}
var attachments = new List <EmailAttachmentToSend>();
result.Add(new EmailToSend()
{
To = emailForSave.To?.Split(';'),
Cc = emailForSave.Cc?.Split(';'),
Bcc = emailForSave.Bcc?.Split(';'),
EmailId = emailForSave.Id,
Subject = emailForSave.Subject,
Body = body,
Attachments = attachments,
TenantId = tenantId
});
foreach (var att in emailForSave?.Attachments ?? new List <EmailAttachmentForSave>())
{
if (!string.IsNullOrWhiteSpace(att.ContentBlobId))
{
var attBlobName = EmailUtil.EmailAttachmentBlobName(att.ContentBlobId);
var attContent = await blobService.LoadBlobAsync(tenantId, attBlobName, cancellation);
attachments.Add(new EmailAttachmentToSend
{
Name = att.Name,
Contents = attContent
});
}
}
}
return(result);
}
public async Task <FileResult> GetAttachment(int emailId, int attachmentId, CancellationToken cancellation)
{
await Initialize(cancellation);
// This enforces read permissions
string attachments = nameof(EmailForQuery.Attachments);
var result = await GetById(emailId, new GetByIdArguments
{
Select = $"{attachments}.{nameof(EmailAttachment.ContentBlobId)},{attachments}.{nameof(EmailAttachment.Name)}"
},
cancellation);
// Get the blob name
var attachment = result.Entity?.Attachments?.FirstOrDefault(att => att.Id == attachmentId);
if (attachment != null && !string.IsNullOrWhiteSpace(attachment.ContentBlobId))
{
try
{
// Get the bytes
string blobName = EmailUtil.EmailAttachmentBlobName(attachment.ContentBlobId);
var bytes = await _blobService.LoadBlobAsync(_behavior.TenantId, blobName, cancellation);
// Get the content type
var name = attachment.Name;
return(new FileResult(bytes, name));
}
catch (BlobNotFoundException)
{
throw new NotFoundException <int>(attachmentId);
}
}
else
{
throw new NotFoundException <int>(attachmentId);
}
}