107 lines
3.3 KiB
C#
107 lines
3.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text.RegularExpressions;
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using BirdsiteLive.ActivityPub;
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using BirdsiteLive.ActivityPub.Models;
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using BirdsiteLive.Common.Settings;
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using BirdsiteLive.Twitter.Models;
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using Tweetinvi.Models;
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using Tweetinvi.Models.Entities;
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namespace BirdsiteLive.Domain
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{
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public interface IStatusService
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{
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Note GetStatus(string username, ExtractedTweet tweet);
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}
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public class StatusService : IStatusService
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{
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private readonly InstanceSettings _instanceSettings;
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#region Ctor
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public StatusService(InstanceSettings instanceSettings)
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{
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_instanceSettings = instanceSettings;
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}
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#endregion
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public Note GetStatus(string username, ExtractedTweet tweet)
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{
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var actorUrl = $"https://{_instanceSettings.Domain}/users/{username}";
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var noteId = $"https://{_instanceSettings.Domain}/users/{username}/statuses/{tweet.Id}";
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var noteUrl = $"https://{_instanceSettings.Domain}/@{username}/{tweet.Id}";
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var to = $"{actorUrl}/followers";
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var apPublic = "https://www.w3.org/ns/activitystreams#Public";
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var extractedTags = ExtractTags(tweet.MessageContent);
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var note = new Note
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{
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id = $"{noteId}/activity",
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published = tweet.CreatedAt.ToString("s") + "Z",
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url = noteUrl,
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attributedTo = actorUrl,
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//to = new [] {to},
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//cc = new [] { apPublic },
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to = new[] { to },
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cc = new[] { apPublic },
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//cc = new string[0],
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sensitive = false,
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content = $"<p>{extractedTags.content}</p>",
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attachment = Convert(tweet.Media),
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tag = extractedTags.tags
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};
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return note;
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}
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private (string content, Tag[] tags) ExtractTags(string messageContent)
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{
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var regex = new Regex(@"\W(\#[a-zA-Z0-9]+\b)(?!;)");
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var match = regex.Matches(messageContent);
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var tags = new List<Tag>();
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foreach (var m in match)
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{
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var tag = m.ToString().Replace("#", string.Empty).Replace("\n", string.Empty).Trim();
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var url = $"https://{_instanceSettings.Domain}/tags/{tag}";
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tags.Add(new Tag
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{
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name = $"#{tag}",
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href = url,
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type = "Hashtag"
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});
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messageContent = messageContent.Replace(
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$"#{tag}",
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$@"<a href=""{url}"" class=""mention hashtag"" rel=""tag"">#<span>{tag}</span></a>");
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}
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return (messageContent, new Tag[0]);
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}
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private Attachment[] Convert(ExtractedMedia[] media)
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{
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if(media == null) return new Attachment[0];
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return media.Select(x =>
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{
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return new Attachment
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{
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type = "Document",
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url = x.Url,
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mediaType = x.MediaType
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};
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}).ToArray();
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}
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}
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} |