public Task StoreMessageHeadersAsync(MailMessage headers)
{
string messageDir = Path.Combine(AccountDir, _accountName, ConversationsDir, headers.GetThreadId(), headers.GetMessageId());
if (!_storage.DirectoryExists(messageDir))
{
_storage.CreateDirectory(messageDir);
}
string headersFile = Path.Combine(messageDir, HeadersFile);
using (Stream stream = _storage.CreateFile(headersFile))
{
// TODO: Async
headers.Save(stream);
}
return Task.FromResult(0);
}
public Task StoreMessageLabelsAsync(MailMessage message)
{
return StoreMessageLabelsAsync(message.GetThreadId(), message.GetMessageId(), message.GetLabelsHeader());
}
public Task StoreMessageFlagsAsync(MailMessage message)
{
return StoreMessageFlagsAsync(message.GetThreadId(), message.GetMessageId(), Utilities.FlagsToFlagString(message.Flags));
}
// Break the message up into parts: Flags, labels, headers/structure, and body parts
public async Task StoreMessageAsync(MailMessage message)
{
await StoreMessageFlagsAsync(message.GetThreadId(), message.GetMessageId(), Utilities.FlagsToFlagString(message.Flags));
await StoreMessageLabelsAsync(message.GetThreadId(), message.GetMessageId(), message.GetLabelsHeader());
await StoreMessageHeadersAsync(message);
if (message.Scope >= Scope.HeadersAndBodySnyppit)
{
// TODO: Verify BodyId is set.
// Body parts
if (!message.AlternateViews.Any() && !message.Attachments.Any())
{
// Simple body
await StoreMessagePartAsync(message.GetThreadId(), message.GetMessageId(), message.BodyId, message.Body);
}
else
{
// Multipart body
foreach (Attachment view in message.AlternateViews)
{
await StoreMessagePartAsync(message.GetThreadId(), message.GetMessageId(), view.BodyId, view.Body);
}
foreach (Attachment attachment in message.Attachments)
{
await StoreMessagePartAsync(message.GetThreadId(), message.GetMessageId(), attachment.BodyId, attachment.Body);
}
}
}
}
public async Task OpenAttachmentAsync(MailMessage message, Attachment attachment)
{
// Lazy load
if (attachment.Scope < Scope.HeadersAndBody)
{
// Check local storage
if (MailStorage.HasMessagePart(message.GetThreadId(), message.GetMessageId(), attachment.BodyId))
{
// TODO: Can we open the attachment directly from isolated storage?
attachment.Body = await MailStorage.GetMessagePartAsync(message.GetThreadId(), message.GetMessageId(), attachment.BodyId);
}
else
{
// Download from the network
await GmailImap.GetBodyPartAsync(message.Uid, attachment, async () =>
{
if (ActiveLabel.Info.StoreMessages && ActiveLabel.Info.StoreAttachments)
{
await MailStorage.StoreMessagePartAsync(message.GetThreadId(), message.GetMessageId(), attachment.BodyId, attachment.Body);
}
}, CancellationToken.None);
}
}
StorageFile file = await MailStorage.SaveAttachmentToTempAsync(attachment);
// http://architects.dzone.com/articles/lap-around-windows-phone-8-sdk
await Launcher.LaunchFileAsync(file);
// TODO: Delete temp files on app close?
}
public virtual async Task LazyLoadBodyPartAsync(MailMessage message, ObjectWHeaders part)
{
if (part.Scope < Scope.HeadersAndBody)
{
if (MailStorage.HasMessagePart(message.GetThreadId(), message.GetMessageId(), part.BodyId))
{
part.Body = await MailStorage.GetMessagePartAsync(message.GetThreadId(), message.GetMessageId(), part.BodyId);
}
else
{
await GmailImap.GetBodyPartAsync(message.Uid, part, async () =>
{
if (ActiveLabel.Info.StoreMessages)
{
await MailStorage.StoreMessagePartAsync(message.GetThreadId(), message.GetMessageId(), part.BodyId, part.Body);
}
}, CancellationToken.None);
}
}
}