ssb: Use most recent post timestamps to feature more relevant people to follow.

This commit is contained in:
Cory McWilliams 2025-01-14 20:15:18 -05:00
parent e198ff9cb1
commit db0a4bff77
4 changed files with 51 additions and 32 deletions

View File

@ -1,5 +1,5 @@
{
"type": "tildefriends-app",
"emoji": "🦀",
"previous": "&ywgXrIlVu5chLPseAwTXdpzaxGep+rjs1ZPeV4tj3wM=.sha256"
"previous": "&IbDnKRKxIZzdIhs2wVVdNt560YlLuM/8coMuTuJhVNs=.sha256"
}

View File

@ -163,8 +163,8 @@ class TfElement extends LitElement {
let max_row_id = (
await tfrpc.rpc.query(
`
SELECT MAX(rowid) AS max_row_id FROM messages
`,
SELECT MAX(rowid) AS max_row_id FROM messages
`,
[]
)
)[0].max_row_id;
@ -177,7 +177,7 @@ class TfElement extends LitElement {
let abouts = await tfrpc.rpc.query(
`
SELECT
messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
messages.author, json(messages.content) AS content, messages.sequence
FROM
messages,
json_each(?1) AS following
@ -188,7 +188,7 @@ class TfElement extends LitElement {
json_extract(messages.content, '$.type') = 'about'
UNION
SELECT
messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
messages.author, json(messages.content) AS content, messages.sequence
FROM
messages,
json_each(?2) AS following
@ -383,10 +383,9 @@ class TfElement extends LitElement {
this.channels_latest = Object.fromEntries(
channels.map((x) => [x.channel, x.rowid])
);
console.log('latest', this.channels_latest);
console.log('unread', this.channels_unread);
console.log('channels took', (new Date() - start_time) / 1000.0);
let self = this;
start_time = new Date();
latest_private.then(function (latest) {
self.channels_latest = Object.assign({}, self.channels_latest, {
'🔐': latest,
@ -410,6 +409,24 @@ class TfElement extends LitElement {
}
}
async fetch_user_info(users) {
let info = await tfrpc.rpc.query(
`
SELECT messages.author, MAX(messages.sequence) AS max_seq, MAX(timestamp) AS max_ts FROM messages
JOIN json_each(?) AS following
ON messages.author = following.value
GROUP BY messages.author
`,
[
JSON.stringify(Object.keys(users)),
]);
for (let row of info) {
users[row.author].seq = row.max_seq;
users[row.author].ts = row.max_ts;
}
return users;
}
async load() {
this.loading_latest = true;
try {
@ -440,6 +457,9 @@ class TfElement extends LitElement {
Object.keys(users).length,
'users'
);
start_time = new Date();
users = await this.fetch_user_info(users);
console.log('user info took', (new Date() - start_time) / 1000.0, 'seconds');
this.users = users;
console.log(
`load finished ${whoami} => ${this.whoami} in ${(new Date() - start_time) / 1000}`
@ -573,8 +593,7 @@ class TfElement extends LitElement {
style="position: static; top: 0; z-index: 10"
>
<button
class=${'w3-bar-item w3-button w3-circle w3-ripple' +
(this.connections?.some((x) => x.flags.one_shot) ? ' w3-spin' : '')}
class=${'w3-bar-item w3-button w3-circle w3-ripple' + (this.connections?.some(x => x.flags.one_shot) ? ' w3-spin' : '')}
@click=${this.refresh}
>

View File

@ -275,8 +275,8 @@ class TfTabNewsFeedElement extends LitElement {
}
merge_messages(old_messages, new_messages) {
let old_by_id = Object.fromEntries(old_messages.map((x) => [x.id, x]));
return new_messages.map((x) => (old_by_id[x.id] ? old_by_id[x.id] : x));
let old_by_id = Object.fromEntries(old_messages.map(x => [x.id, x]));
return new_messages.map(x => old_by_id[x.id] ? old_by_id[x.id] : x);
}
async load_latest() {
@ -298,17 +298,14 @@ class TfTabNewsFeedElement extends LitElement {
} finally {
this.loading--;
}
this.messages = this.merge_messages(
this.messages,
Object.values(
Object.fromEntries(
[...this.messages, ...messages]
.sort((x, y) => x.timestamp - y.timestamp)
.slice(-1024)
.map((x) => [x.id, x])
)
this.messages = this.merge_messages(this.messages, Object.values(
Object.fromEntries(
[...this.messages, ...messages]
.sort((x, y) => x.timestamp - y.timestamp)
.slice(-1024)
.map((x) => [x.id, x])
)
);
));
console.log('done loading latest messages.');
}

View File

@ -128,21 +128,24 @@ class TfTabNewsElement extends LitElement {
return this.hash.startsWith('##') ? this.hash.substring(2) : undefined;
}
compare_follows(a, b) {
return a[1].followed - b[1].followed;
compare_follows() {
const now = new Date().valueOf();
return function (a, b) {
return (b[1].ts > now ? -1 : b[1].ts) - (a[1].ts > now ? -1 : a[1].ts);
};
}
suggested_follows() {
/*
** Filter out people who have used future timestamps so that they aren't
** pinned at the top.
*/
let self = this;
return Object.entries(this.users).filter(
(x) => (x[1].follow_depth > 1)
).sort(
self.compare_follows
).slice(
0, 8
).map(
(x) => (x[0])
);
return Object.entries(this.users)
.filter((x) => x[1].follow_depth > 1)
.sort(self.compare_follows())
.slice(0, 8)
.map((x) => x[0]);
}
render_sidebar() {