refactor: move profile mocking logic to discrete method in main activitypub lib

src/activitypub/index.js

@@ -52,6 +52,41 @@ ActivityPub.getActor = async (input) => {
 	return actor;
 };
 
+ActivityPub.mockProfile = async (callerUid, actor) => {
+	// Accepts an actor object; the output of getActor()
+	const uid = actor.id;
+	const { preferredUsername, published, icon, image, name, summary, hostname } = actor;
+	const isFollowing = await db.isSortedSetMember(`followingRemote:${callerUid}`, uid);
+
+	let picture;
+	if (icon) {
+		picture = typeof icon === 'string' ? icon : icon.url;
+	}
+	const iconBackgrounds = await user.getIconBackgrounds();
+	let bgColor = Array.prototype.reduce.call(preferredUsername, (cur, next) => cur + next.charCodeAt(), 0);
+	bgColor = iconBackgrounds[bgColor % iconBackgrounds.length];
+
+	const payload = {
+		uid,
+		username: `${preferredUsername}@${hostname}`,
+		userslug: `${preferredUsername}@${hostname}`,
+		fullname: name,
+		joindate: new Date(published).getTime(),
+		picture,
+		'icon:text': (preferredUsername[0] || '').toUpperCase(),
+		'icon:bgColor': bgColor,
+		uploadedpicture: undefined,
+		'cover:url': !image || typeof image === 'string' ? image : image.url,
+		'cover:position': '50% 50%',
+		aboutme: summary,
+		aboutmeParsed: summary,
+
+		isFollowing,
+	};
+
+	return payload;
+};
+
 ActivityPub.resolveInboxes = async ids => await Promise.all(ids.map(async (id) => {
 	const actor = await ActivityPub.getActor(id);
 	return actor.inbox;