feat: stub lib for retrieving and mocking posts

src/activitypub/index.js

@@ -14,6 +14,7 @@ const ActivityPub = module.exports;
 
 ActivityPub.helpers = require('./helpers');
 ActivityPub.inbox = require('./inbox');
+ActivityPub.notes = require('./notes');
 
 ActivityPub.getActor = async (uid, input) => {
 	// Can be a webfinger id, uri, or object, handle as appropriate
@@ -55,6 +56,7 @@ ActivityPub.getActor = async (uid, input) => {
 	}
 };
 
+// todo: move to mocks.js
 ActivityPub.mockProfile = async (actors, callerUid = 0) => {
 	// Accepts an array containing actor objects (the output of getActor()), or uris
 	let single = false;

src/activitypub/notes.js

@@ -0,0 +1,78 @@
+'use strict';
+
+const winston = require('winston');
+
+const db = require('../database');
+
+const activitypub = module.parent.exports;
+const Notes = module.exports;
+
+Notes.get = async (uid, id) => {
+	try {
+		const object = await activitypub.get(uid, id);
+		return await Notes.mockPost(object);
+	} catch (e) {
+		return null;
+	}
+};
+
+// todo: move to mocks.js
+Notes.mockPost = async (objects) => {
+	const postCache = require('../posts/cache');
+
+	let single = false;
+	if (!Array.isArray(objects)) {
+		single = true;
+		objects = [objects];
+	}
+
+	const posts = (await Promise.all(objects.map(async (object) => {
+		if (object.type !== 'Note') {
+			return null;
+		}
+
+		const {
+			id: pid,
+			published,
+			updated,
+			attributedTo: uid,
+			// conversation,
+			content,
+			sourceContent,
+			inReplyTo: toPid,
+		} = object;
+
+		const timestamp = new Date(published);
+		let edited = new Date(updated);
+		edited = Number.isNaN(edited.valueOf()) ? 0 : edited;
+
+		// If no source content, then `content` is pre-parsed and should be HTML, so cache it
+		if (!sourceContent) {
+			winston.verbose(`[activitypub/mockPost] pid ${pid} already has pre-parsed HTML content, adding to post cache...`);
+			postCache.set(pid, content);
+		}
+
+		const payload = {
+			uid,
+			pid,
+			timestamp: timestamp.getTime(),
+			timestampISO: timestamp.toISOString(),
+			content: sourceContent || content,
+			toPid,
+
+			edited,
+			editor: edited ? uid : undefined,
+			editedISO: edited ? edited.toISOString() : '',
+
+			deleted: 0,
+			deleterUid: 0,
+			replies: 0, // todo
+			bookmarks: 0,
+			votes: 0, // todo
+		};
+
+		return payload;
+	}))).filter(Boolean);
+
+	return single ? posts.pop() : posts;
+};