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