From 7e89eadb36a36caad76a4c3f0cc2899779d61862 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Sat, 13 Jan 2024 22:27:02 -0500
Subject: [PATCH] feat: flesh out more topic info, fix navigator

---
 src/activitypub/index.js              |  1 +
 src/activitypub/notes.js              |  6 ++++++
 src/controllers/activitypub/topics.js | 17 +++++++++++++++--
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/activitypub/index.js b/src/activitypub/index.js
index fe7f1801c4..c42663c9ca 100644
--- a/src/activitypub/index.js
+++ b/src/activitypub/index.js
@@ -176,6 +176,7 @@ ActivityPub.get = async (uid, uri) => {
 	}
 
 	const headers = uid > 0 ? await ActivityPub.sign(uid, uri) : {};
+	winston.verbose(`[activitypub/get] ${uri}`);
 	const { response, body } = await request.get(uri, {
 		headers: {
 			...headers,
diff --git a/src/activitypub/notes.js b/src/activitypub/notes.js
index c64b46aec3..4dbca8fe4e 100644
--- a/src/activitypub/notes.js
+++ b/src/activitypub/notes.js
@@ -70,6 +70,11 @@ Notes.assertTopic = async (uid, id) => {
 		sorted.map(n => n.timestamp),
 	];
 
+	const postercount = chain.reduce((set, cur) => {
+		set.add(cur.uid);
+		return set;
+	}, new Set());
+
 	await Promise.all([
 		db.setObject(`topicRemote:${tid}`, {
 			tid,
@@ -79,6 +84,7 @@ Notes.assertTopic = async (uid, id) => {
 			title: 'TBD',
 			slug: `remote?resource=${encodeURIComponent(tid)}`,
 			postcount: sorted.length,
+			postercount,
 		}),
 		db.sortedSetAdd(`tidRemote:${tid}:posts`, timestamps, ids),
 		Notes.assert(uid, chain),
diff --git a/src/controllers/activitypub/topics.js b/src/controllers/activitypub/topics.js
index da45e2a709..5bcb466299 100644
--- a/src/controllers/activitypub/topics.js
+++ b/src/controllers/activitypub/topics.js
@@ -1,18 +1,21 @@
 'use strict';
 
+const nconf = require('nconf');
+
+const db = require('../../database');
 const user = require('../../user');
 const topics = require('../../topics');
 
 const { notes } = require('../../activitypub');
 // const helpers = require('../helpers');
-// const pagination = require('../../pagination');
+const pagination = require('../../pagination');
 
 const controller = module.exports;
 
 controller.get = async function (req, res, next) {
 	const tid = await notes.assertTopic(req.uid, req.query.resource);
 
-	let postIndex = parseInt(req.params.post_index, 10) || 1;
+	let postIndex = await db.sortedSetRank(`tidRemote:${tid}:posts`, req.query.resource);
 	const [
 		// userPrivileges,
 		settings,
@@ -51,8 +54,18 @@ controller.get = async function (req, res, next) {
 	const { start, stop } = calculateStartStop(currentPage, postIndex, settings);
 
 	topicData.posts = await notes.getTopicPosts(tid, req.uid, start, stop);
+	await topics.calculatePostIndices(topicData.posts, start - 1);
 	topicData.posts = await topics.addPostData(topicData.posts, req.uid);
 
+	await topics.increaseViewCount(req, tid);
+
+	topicData.postIndex = postIndex;
+	topicData.pagination = pagination.create(currentPage, pageCount, req.query);
+	topicData.pagination.rel.forEach((rel) => {
+		rel.href = `${nconf.get('url')}/topic/${topicData.slug}${rel.href}`;
+		res.locals.linkTags.push(rel);
+	});
+
 	res.render('topic', topicData);
 };