Files
mixtape/zero.Core/Mails/FileMailDispatcher.cs
T
2021-11-20 13:52:28 +01:00

90 lines
2.2 KiB
C#

using Newtonsoft.Json;
using System.IO;
using System.Text;
namespace zero.Mails;
/// <summary>
/// Default implementation of an IMailSender which sends the mail a flat file
/// and therefore not using the SMTP channel.
/// Implementing real mail sending is up to the consuming application.
/// </summary>
public class FileMailDispatcher : IMailDispatcher
{
protected Queue<Mail> Queue { get; private set; } = new Queue<Mail>();
protected IPaths PathResolver { get; private set; }
string MailDirectory;
public FileMailDispatcher(IPaths pathResolver)
{
PathResolver = pathResolver;
MailDirectory = "mails";
}
/// <inheritdoc />
public void Enqueue(Mail message)
{
Queue.Enqueue(message);
}
/// <inheritdoc />
public async Task Send(CancellationToken token = default)
{
if (Queue.Count < 1)
{
return;
}
string folder = PathResolver.Map(MailDirectory);
PathResolver.Create(folder);
while (Queue.Count > 0)
{
Mail message = Queue.Dequeue();
string content = JsonConvert.SerializeObject(message, new JsonSerializerSettings()
{
Formatting = Formatting.Indented,
TypeNameHandling = TypeNameHandling.None,
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
});
string filename = Safenames.File(DateTimeOffset.Now.ToString("yyyy-MM-dd-HH-mm-ss") + "_" + message.To[0].Address + ".txt");
string path = PathResolver.Map(folder, filename);
await File.WriteAllTextAsync(path, content, token);
}
}
/// <inheritdoc />
public void Dispose() { }
/// <summary>
/// Creats the file content from a mail message
/// </summary>
string CreateContent(Mail message)
{
StringBuilder text = new();
text.AppendLine("To: " + message.To);
text.AppendLine("CC: " + message.CC);
text.AppendLine("Bcc: " + message.Bcc);
text.AppendLine("From: " + message.From);
text.AppendLine("Subject: " + message.Subject);
text.Append("Date: " + DateTimeOffset.UtcNow.ToString());
text.AppendLine();
text.AppendLine("=============== BODY ===============");
text.AppendLine();
text.AppendLine(message.Body);
return text.ToString();
}
}