using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
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;
namespace BirdsiteLive.Domain
{
public interface IStatusService
{
Note GetStatus(string username, ExtractedTweet tweet);
ActivityCreateNote GetActivity(string username, ExtractedTweet tweet);
}
public class StatusService : IStatusService
{
private readonly InstanceSettings _instanceSettings;
private readonly IStatusExtractor _statusExtractor;
private readonly IExtractionStatisticsHandler _statisticsHandler;
#region Ctor
public StatusService(InstanceSettings instanceSettings, IStatusExtractor statusExtractor, IExtractionStatisticsHandler statisticsHandler)
{
_instanceSettings = instanceSettings;
_statusExtractor = statusExtractor;
_statisticsHandler = statisticsHandler;
}
#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());
String announceId = null;
if (tweet.IsRetweet)
{
actorUrl = UrlFactory.GetActorUrl(_instanceSettings.Domain, tweet.OriginalAuthor.Acct);
noteUrl = UrlFactory.GetNoteUrl(_instanceSettings.Domain, tweet.OriginalAuthor.Acct, tweet.RetweetId.ToString());
announceId = UrlFactory.GetNoteUrl(_instanceSettings.Domain, username, tweet.Id.ToString());
}
var to = $"{actorUrl}/followers";
var cc = new string[0];
string summary = null;
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 (tweet.IsRetweet)
{
// content = "RT: " + content;
cc = new[] {"https://www.w3.org/ns/activitystreams#Public"};
}
cc = new[] {"https://www.w3.org/ns/activitystreams#Public"};
string inReplyTo = null;
if (tweet.InReplyToStatusId != default)
inReplyTo = $"https://{_instanceSettings.Domain}/users/{tweet.InReplyToAccount.ToLowerInvariant()}/statuses/{tweet.InReplyToStatusId}";
if (tweet.QuoteTweetUrl != null)
content += $@"
RT: {tweet.QuoteTweetUrl}";
var note = new Note
{
id = noteUrl,
announceId = announceId,
published = tweet.CreatedAt.ToString("s") + "Z",
url = noteUrl,
attributedTo = actorUrl,
inReplyTo = inReplyTo,
to = new[] { to },
cc = cc,
sensitive = false,
summary = summary,
content = $"
{content}
", attachment = Convert(tweet.Media), tag = extractedTags.tags, quoteUrl = tweet.QuoteTweetUrl }; return note; } public ActivityCreateNote GetActivity(string username, ExtractedTweet tweet) { var note = GetStatus(username, tweet); var actor = UrlFactory.GetActorUrl(_instanceSettings.Domain, username); String noteUri; string activityType; if (tweet.IsRetweet) { noteUri = UrlFactory.GetNoteUrl(_instanceSettings.Domain, username, tweet.Id.ToString()); activityType = "Announce"; } else { noteUri = UrlFactory.GetNoteUrl(_instanceSettings.Domain, username, tweet.Id.ToString()); activityType = "Create"; } var now = DateTime.UtcNow; var nowString = now.ToString("s") + "Z"; var noteActivity = new ActivityCreateNote() { context = "https://www.w3.org/ns/activitystreams", id = $"{noteUri}/activity", type = activityType, actor = actor, published = nowString, to = new[] {$"{actor}/followers"}, cc = note.cc, apObject = note }; return noteActivity; } 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(); } } }