From 5decdf3afa88d1ba4f3c4d3c1b8728edb97e9777 Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Thu, 6 Jul 2023 00:37:16 +0000
Subject: [PATCH] Better tags query.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4339 ed5197a5-7fde-0310-b194-c3ffbd925b24
---
 apps/ssb/tf-app.js | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/apps/ssb/tf-app.js b/apps/ssb/tf-app.js
index 941eca22..f7ace23c 100644
--- a/apps/ssb/tf-app.js
+++ b/apps/ssb/tf-app.js
@@ -256,13 +256,22 @@ class TfElement extends LitElement {
 	}
 
 	async load_recent_tags() {
+		let start = new Date();
 		this.tags = await tfrpc.rpc.query(`
-			WITH recent AS (SELECT '#' || json_extract(content, '$.channel') AS tag
-				FROM messages
-				WHERE json_extract(content, '$.channel') IS NOT NULL
-				ORDER BY timestamp DESC LIMIT 100)
-			SELECT tag, COUNT(*) AS count FROM recent GROUP BY tag ORDER BY count DESC LIMIT 10
-		`, []);
+			WITH
+				recent AS (SELECT content FROM messages
+					WHERE messages.timestamp > ? AND json_extract(content, '$.type') = 'post'
+					ORDER BY timestamp DESC LIMIT 1024),
+				recent_channels AS (SELECT '#' || json_extract(content, '$.channel') AS tag
+					FROM recent
+					WHERE json_extract(content, '$.channel') IS NOT NULL),
+				recent_mentions AS (SELECT json_extract(mention.value, '$.link') AS tag
+					FROM recent, json_each(recent.content, '$.mentions') AS mention
+					WHERE json_valid(mention.value) AND tag LIKE '#%'),
+				combined AS (SELECT tag FROM recent_channels UNION ALL SELECT tag FROM recent_mentions)
+			SELECT tag, COUNT(*) AS count FROM combined GROUP BY tag ORDER BY count DESC LIMIT 10
+		`, [new Date() - 7 * 24 * 60 * 60 * 1000]);
+		console.log('tags took', (new Date() - start) / 1000.0, 'seconds');
 	}
 
 	async load() {