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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using BirdsiteLive.ActivityPub;
using BirdsiteLive.ActivityPub.Converters;
using BirdsiteLive.ActivityPub.Models;
using BirdsiteLive.Common.Settings;
using BirdsiteLive.Domain.Repository;
using BirdsiteLive.Domain.Statistics;
using BirdsiteLive.Domain.Tools;
using BirdsiteLive.Twitter.Models;
using Tweetinvi.Models;
using Tweetinvi.Models.Entities;
namespace BirdsiteLive.Domain
{
public interface IStatusService
{
Note GetStatus(string username, ExtractedTweet tweet);
}
public class StatusService : IStatusService
{
private readonly InstanceSettings _instanceSettings;
private readonly IStatusExtractor _statusExtractor;
private readonly IExtractionStatisticsHandler _statisticsHandler;
private readonly IPublicationRepository _publicationRepository;
#region Ctor
public StatusService(InstanceSettings instanceSettings, IStatusExtractor statusExtractor, IExtractionStatisticsHandler statisticsHandler, IPublicationRepository publicationRepository)
{
_instanceSettings = instanceSettings;
_statusExtractor = statusExtractor;
_statisticsHandler = statisticsHandler;
_publicationRepository = publicationRepository;
}
#endregion
public Note GetStatus(string username, ExtractedTweet tweet)
{
var actorUrl = UrlFactory.GetActorUrl(_instanceSettings.Domain, username);
var noteUrl = UrlFactory.GetNoteUrl(_instanceSettings.Domain, username, tweet.Id.ToString());
var to = $"{actorUrl}/followers";
var isUnlisted = _publicationRepository.IsUnlisted(username);
var cc = new string[0];
if (isUnlisted)
cc = new[] {"https://www.w3.org/ns/activitystreams#Public"};
string summary = null;
var sensitive = _publicationRepository.IsSensitive(username);
if (sensitive)
summary = "Potential Content Warning";
var extractedTags = _statusExtractor.Extract(tweet.MessageContent);
_statisticsHandler.ExtractedStatus(extractedTags.tags.Count(x => x.type == "Mention"));
// Replace RT by a link
var content = extractedTags.content;
if (content.Contains("{RT}") && tweet.IsRetweet)
{
if (!string.IsNullOrWhiteSpace(tweet.RetweetUrl))
content = content.Replace("{RT}",
$@"<a href=""{tweet.RetweetUrl}"" rel=""nofollow noopener noreferrer"" target=""_blank"">RT</a>");
else
content = content.Replace("{RT}", "RT");
}
string inReplyTo = null;
if (tweet.InReplyToStatusId != default)
inReplyTo = $"https://{_instanceSettings.Domain}/users/{tweet.InReplyToAccount.ToLowerInvariant()}/statuses/{tweet.InReplyToStatusId}";
var note = new Note
{
id = noteUrl,
published = tweet.CreatedAt.ToString("s") + "Z",
url = noteUrl,
attributedTo = actorUrl,
inReplyTo = inReplyTo,
to = new[] { to },
cc = cc,
sensitive = tweet.IsSensitive || sensitive,
summary = summary,
content = $"<p>{content}</p>",
attachment = Convert(tweet.Media),
tag = extractedTags.tags,
};
return note;
}
private Attachment[] Convert(ExtractedMedia[] media)
{
if(media == null) return new Attachment[0];
return media.Select(x =>
{
return new Attachment
{
type = "Document",
url = x.Url,
mediaType = x.MediaType
};
}).ToArray();
}
}
}