One Post model for every visibility, read from notes the way peers write them

Post gains what federation and the Mastodon API need: Visibility (Public,
Unlisted, FollowersOnly, Direct, Circle, LocalGeo), the author's account
id, to/cc, the Create's id, url, context, quote, InReplyToURI and the
parent's author, a separate SpoilerText next to the title, language,
mentions, hashtags, remote attachments (alt text, blurhash, focus, size),
reply/favourite/reblog counters, revisions, EditedAt and DeletedAt.

Direct messages are Posts with Visibility Direct and a ConversationId;
migration _005 copies DmPost rows across with their ids and fills the new
fields of existing posts. DmPost is left in place so a rollback still sees
the old messages.

Inbound:
- NoteParser reads Note, Article, Page, Question and media types: content,
  then contentMap, then _misskey_content; summary as the spoiler and name
  as the title; Mention and Hashtag tags; attachments; a PeerTube-style
  list attribution prefers the person over the channel; quote URIs.
- Addressing classifies like Mastodon, finding followers-only by the
  author's own followers URL (now stored on ForeignAvatar), not by a
  "/followers" suffix.
- Create keeps a post when a local persona is addressed or mentioned, when
  it replies to a local post (the parent's reply count goes up) or when a
  community it follows is addressed; an unsolicited public post is not
  stored. Update keeps the previous version as a revision.

The outbox and object endpoints serve only Public and Unlisted posts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB

PrivaPub/Models/Post/Post.cs

@@ -4,13 +4,23 @@ namespace PrivaPub.Models.Post
 {
 	public class Post : Entity
 	{
-		public string GroupUserId { get; set; }
-		public string AnsweringToPostId { get; set; }
+		public string GroupUserId { get; set; }//local author's Avatar.ID
+		public string AuthorAccountId { get; set; }//Avatar.ID or ForeignAvatar.ID
+		public string AnsweringToPostId { get; set; }//the parent's Post.ID when we hold it
+		public string InReplyToURI { get; set; }
+		public string InReplyToAccountId { get; set; }
 		public string GroupId { get; set; }
+		public string ConversationId { get; set; }//DmGroup.ID of a direct post
+		public string ReblogOfPostId { get; set; }
+		public PostVisibility Visibility { get; set; }
 		public string Title { get; set; }
+		public string SpoilerText { get; set; }
 		public string Text { get; set; }
 		public string ContentHtml { get; set; }
 		public ContentFormat ContentFormat { get; set; }
+		public string Language { get; set; }
+		public List<PostMention> Mentions { get; set; } = new();
+		public List<string> Tags { get; set; } = new();
 		public List<PostMedia> Media { get; set; } = new();
 		public List<float> Location { get; set; } = new();
 		public float RangeKm { get; set; } = 5.0f;
@@ -19,10 +29,50 @@ namespace PrivaPub.Models.Post
 
 		public bool IsFederatedCopy { get; set; }
 		public string ObjectURI { get; set; }//the Note's id
+		public string ActivityURI { get; set; }//the Create's id
 		public string ActorURI { get; set; }//attributedTo
+		public string Url { get; set; }
+		public string ContextURI { get; set; }
+		public string QuoteURI { get; set; }
+		public List<string> To { get; set; } = new();
+		public List<string> Cc { get; set; } = new();
+
+		public int RepliesCount { get; set; }
+		public int FavouritesCount { get; set; }
+		public int ReblogsCount { get; set; }
+		public List<PostRevision> Revisions { get; set; } = new();
 
 		public DateTime CreationDate { get; set; } = DateTime.UtcNow;
 		public DateTime? UpdateDate { get; set; } = DateTime.UtcNow;
+		public DateTime? EditedAt { get; set; }
+		public DateTime? DeletedAt { get; set; }
 		public string UpdateReason { get; set; }
 	}
+
+	public enum PostVisibility
+	{
+		Public,
+		Unlisted,
+		FollowersOnly,
+		Direct,
+		Circle,
+		LocalGeo
+	}
+
+	public class PostMention
+	{
+		public string ActorURI { get; set; }
+		public string AccountId { get; set; }
+		public string Handle { get; set; }
+		public bool IsLocal { get; set; }
+	}
+
+	public class PostRevision
+	{
+		public string Title { get; set; }
+		public string SpoilerText { get; set; }
+		public string ContentHtml { get; set; }
+		public bool HasContentWarning { get; set; }
+		public DateTime EditedAt { get; set; }
+	}
 }

PrivaPub/Models/Post/PostMedia.cs

@@ -1,12 +1,18 @@
-namespace PrivaPub.Models.Post
+namespace PrivaPub.Models.Post
 {
 	public class PostMedia
 	{
-		public Guid Id { get; set; } = Guid.NewGuid(); 
+		public Guid Id { get; set; } = Guid.NewGuid();
 		public string ContentType { get; set; }
 		public string FileName { get; set; }
 		public string Extension { get; set; }
 		public string Path { get; set; }
 		public string URL { get; set; }
+		public string RemoteURL { get; set; }
+		public string Description { get; set; }
+		public string Blurhash { get; set; }
+		public int? Width { get; set; }
+		public int? Height { get; set; }
+		public float[] Focus { get; set; }
 	}
 }