From 5f729efabeacdc6470265f3ef2d7e6f6ee3dc82b Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Wed, 9 Jul 2025 18:35:51 -0400
Subject: [PATCH] ssb: Load more messages at a time.

---
 apps/ssb.json                |  2 +-
 apps/ssb/tf-tab-news-feed.js | 28 ++++++++++++++++++----------
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/apps/ssb.json b/apps/ssb.json
index eb6b63da..a8976152 100644
--- a/apps/ssb.json
+++ b/apps/ssb.json
@@ -1,5 +1,5 @@
 {
 	"type": "tildefriends-app",
 	"emoji": "🦀",
-	"previous": "&gr34tjvK2pGhEHo7FBgIPDhs9rvhHSPK3Tjkpp20/VU=.sha256"
+	"previous": "&CRrPneLR7JTozkE2RdcTj6JJszqnAin4xPpQpNtCAFE=.sha256"
 }
diff --git a/apps/ssb/tf-tab-news-feed.js b/apps/ssb/tf-tab-news-feed.js
index 7e4b3693..b86a40b7 100644
--- a/apps/ssb/tf-tab-news-feed.js
+++ b/apps/ssb/tf-tab-news-feed.js
@@ -108,6 +108,7 @@ class TfTabNewsFeedElement extends LitElement {
 	async fetch_messages(start_time, end_time) {
 		this.time_loading = [start_time, end_time];
 		let result;
+		const k_max_results = 64;
 		if (this.hash == '#@') {
 			result = await tfrpc.rpc.query(
 				`
@@ -118,7 +119,7 @@ class TfTabNewsFeedElement extends LitElement {
 						WHERE
 							messages.author != ?1 AND
 							(?3 IS NULL OR messages.timestamp >= ?3) AND messages.timestamp < ?4
-						ORDER BY timestamp DESC limit 20)
+						ORDER BY timestamp DESC limit ?5)
 					SELECT FALSE AS is_primary, messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
 						FROM mentions
 						JOIN messages_refs ON mentions.id = messages_refs.ref
@@ -131,6 +132,7 @@ class TfTabNewsFeedElement extends LitElement {
 					JSON.stringify(this.following),
 					start_time,
 					end_time,
+					k_max_results,
 				]
 			);
 		} else if (this.hash.startsWith('#@')) {
@@ -140,7 +142,7 @@ class TfTabNewsFeedElement extends LitElement {
 						selected AS (SELECT rowid, id, previous, author, sequence, timestamp, hash, json(content) AS content, signature
 							FROM messages
 							WHERE messages.author = ?1 AND (?2 IS NULL OR messages.timestamp >= 2) AND messages.timestamp < ?3
-							ORDER BY sequence DESC LIMIT 20
+							ORDER BY sequence DESC LIMIT ?4
 						)
 					SELECT FALSE AS is_primary, messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
 						FROM selected
@@ -149,7 +151,7 @@ class TfTabNewsFeedElement extends LitElement {
 					UNION
 					SELECT TRUE AS is_primary, * FROM selected
 				`,
-				[this.hash.substring(1), start_time, end_time]
+				[this.hash.substring(1), start_time, end_time, k_max_results]
 			);
 		} else if (this.hash.startsWith('#%')) {
 			result = await tfrpc.rpc.query(
@@ -184,13 +186,14 @@ class TfTabNewsFeedElement extends LitElement {
 							)
 					SELECT TRUE AS is_primary, all_news.* FROM all_news
 						WHERE (?2 IS NULL OR all_news.timestamp >= ?2) AND all_news.timestamp < ?3
-						ORDER BY all_news.timestamp DESC LIMIT 20
+						ORDER BY all_news.timestamp DESC LIMIT ?5
 				`,
 				[
 					JSON.stringify(this.following),
 					start_time,
 					end_time,
 					this.hash.substring(2),
+					k_max_results,
 				]
 			);
 			let t1 = new Date();
@@ -208,9 +211,14 @@ class TfTabNewsFeedElement extends LitElement {
 					WHERE
 						(?2 IS NULL OR (messages.timestamp >= ?2)) AND messages.timestamp < ?3 AND
 						json(messages.content) LIKE '"%'
-					ORDER BY messages.rowid DESC LIMIT 20
+					ORDER BY messages.rowid DESC LIMIT ?4
 				`,
-				[JSON.stringify(this.private_messages), start_time, end_time]
+				[
+					JSON.stringify(this.private_messages),
+					start_time,
+					end_time,
+					k_max_results,
+				]
 			);
 			result = (await this.decrypt(result)).filter((x) => x.decrypted);
 		} else if (this.hash == '#👍') {
@@ -222,14 +230,14 @@ class TfTabNewsFeedElement extends LitElement {
 						WHERE
 							messages.content ->> 'type' = 'vote' AND
 							(?2 IS NULL OR messages.timestamp >= ?2) AND messages.timestamp < ?3
-						ORDER BY timestamp DESC limit 20)
+						ORDER BY timestamp DESC limit ?4)
 					SELECT FALSE AS is_primary, messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
 						FROM votes
 						JOIN messages ON messages.id = votes.content ->> '$.vote.link'
 					UNION
 					SELECT TRUE AS is_primary, * FROM votes
 				`,
-				[JSON.stringify(this.following), start_time, end_time]
+				[JSON.stringify(this.following), start_time, end_time, k_max_results]
 			);
 		} else {
 			let t0 = new Date();
@@ -240,9 +248,9 @@ class TfTabNewsFeedElement extends LitElement {
 					JOIN json_each(?) AS following ON messages.author = following.value
 					WHERE messages.timestamp < ?3 AND (?2 IS NULL OR messages.timestamp >= ?2) AND
 						messages.content ->> 'type' != 'vote'
-					ORDER BY timestamp DESC LIMIT 20
+					ORDER BY timestamp DESC LIMIT ?4
 				`,
-				[JSON.stringify(this.following), start_time, end_time]
+				[JSON.stringify(this.following), start_time, end_time, k_max_results]
 			);
 			let t1 = new Date();
 			result = await this._fetch_related_messages(initial_messages);