follow: This app had never been updated since jsonb, whoops. #94

apps/follow.json

@@ -1,4 +1,5 @@
 {
 	"type": "tildefriends-app",
-	"emoji": "➡️"
+	"emoji": "➡️",
+	"previous": "&YDDSzbRD8NFAykYlZnk4r4hAK5qXjT5LmKE6rhS1s+A=.sha256"
 }

apps/follow/app.js

@@ -14,7 +14,7 @@ async function contacts_internal(id, last_row_id, following, max_row_id) {
 	result.blocking = result.blocking || {};
 	let contacts = await query(
 		`
-				SELECT content FROM messages
+				SELECT json(content) AS content FROM messages
 				WHERE author = ? AND
 				rowid > ? AND
 				rowid <= ? AND
@@ -189,50 +189,6 @@ async function fetch_about(db, ids, users) {
 	return Object.assign({}, users);
 }
 
-async function getAbout(db, id) {
-	if (g_about_cache[id]) {
-		return g_about_cache[id];
-	}
-	let o = await db.get(id + ':about');
-	const k_version = 4;
-	let f = o ? JSON.parse(o) : o;
-	if (!f || f.version != k_version) {
-		f = {about: {}, sequence: 0, version: k_version};
-	}
-	await ssb.sqlAsync(
-		'SELECT ' +
-			'  sequence, ' +
-			'  content ' +
-			'FROM messages ' +
-			'WHERE ' +
-			'  author = ?1 AND ' +
-			'  sequence > ?2 AND ' +
-			"  json_extract(content, '$.type') = 'about' AND " +
-			"  json_extract(content, '$.about') = ?1 " +
-			'UNION SELECT MAX(sequence) as sequence, NULL FROM messages WHERE author = ?1 ' +
-			'ORDER BY sequence',
-		[id, f.sequence],
-		function (row) {
-			f.sequence = row.sequence;
-			if (row.content) {
-				let about = {};
-				try {
-					about = JSON.parse(row.content);
-				} catch {}
-				delete about.about;
-				delete about.type;
-				f.about = Object.assign(f.about, about);
-			}
-		}
-	);
-	let j = JSON.stringify(f);
-	if (o != j) {
-		await db.set(id + ':about', j);
-	}
-	g_about_cache[id] = f.about;
-	return f.about;
-}
-
 async function getSize(db, id) {
 	let size = 0;
 	await ssb.sqlAsync(