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ssb: Experimenting with the news query strategy.

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This commit is contained in:
Cory McWilliams
2025-01-21 20:53:23 -05:00
parent e2406df367
commit 18cf058af3
2 changed files with 46 additions and 60 deletions
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2
apps/ssb.json
View File

@@ -1,5 +1,5 @@
{
"type": "tildefriends-app",
"emoji": "🦀",
"previous": "&ZKixAk7qZ3OfnjvCoyT1MC7qYVpUz0ngaAozr11xihs=.sha256"
"previous": "&QQhMV7DY8GfmrAfjLFhOA2VScoGXlSA0MW520Pigrjg=.sha256"
}

104
apps/ssb/tf-tab-news-feed.js
View File

@@ -57,8 +57,7 @@ class TfTabNewsFeedElement extends LitElement {
JOIN json_each(?2) AS following ON messages.author = following.value
WHERE
messages.author != ?1 AND
messages.timestamp >= ?3 AND
messages.timestamp < ?4
?3 IS NULL OR (messages.timestamp >= ?3 AND messages.timestamp < ?4)
ORDER BY timestamp DESC limit 20)
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM mentions
@@ -77,22 +76,21 @@ class TfTabNewsFeedElement extends LitElement {
} else if (this.hash.startsWith('#@')) {
result = await tfrpc.rpc.query(
`
WITH mine AS (SELECT rowid, id, previous, author, sequence, timestamp, hash, json(content) AS content, signature
FROM messages
WHERE messages.author = ?
ORDER BY sequence DESC)
WITH
mine AS (SELECT rowid, id, previous, author, sequence, timestamp, hash, json(content) AS content, signature
FROM messages
WHERE messages.author = ?),
selected AS (
SELECT * FROM mine
WHERE ?2 IS NULL OR (mine.timestamp >= 2 AND mine.timestamp < ?3)
ORDER BY sequence DESC LIMIT 20
)
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM mine
JOIN messages_refs ON mine.id = messages_refs.ref
FROM selected
JOIN messages_refs ON selected.id = messages_refs.ref
JOIN messages ON messages_refs.message = messages.id
WHERE
messages.timestamp >= ?2 AND
messages.timestamp < ?3
UNION
SELECT * FROM mine
WHERE
mine.timestamp >= ?2 AND
mine.timestamp < ?3
SELECT * FROM selected
`,
[this.hash.substring(1), start_time, end_time]
);
@@ -117,14 +115,21 @@ class TfTabNewsFeedElement extends LitElement {
promises.push(
tfrpc.rpc.query(
`
WITH news AS (SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages
JOIN json_each(?) AS following ON messages.author = following.value
WHERE
messages.timestamp >= ? AND
messages.timestamp < ? AND
messages.content ->> 'channel' = ?
ORDER BY messages.timestamp DESC)
WITH
all_news AS (
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages
JOIN json_each(?) AS following ON messages.author = following.value
WHERE messages.content ->> 'channel' = ?
UNION
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages_fts(?5)
JOIN messages ON messages.rowid = messages_fts.rowid
JOIN json_each(?1) AS following ON messages.author = following.value
JOIN json_tree(messages.content, '$.mentions') AS mention ON mention.value = '#' || ?4),
news AS (SELECT * FROM all_news
WHERE ?2 IS NULL OR (all_news.timestamp >= ?2 AND all_news.timestamp < ?3)
ORDER BY all_news.timestamp DESC LIMIT 20)
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM news
JOIN messages_refs ON news.id = messages_refs.ref
@@ -135,15 +140,6 @@ class TfTabNewsFeedElement extends LitElement {
JOIN messages_refs ON news.id = messages_refs.message
JOIN messages ON messages_refs.ref = messages.id
UNION
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages_fts(?5)
JOIN messages ON messages.rowid = messages_fts.rowid
JOIN json_each(?1) AS following ON messages.author = following.value
JOIN json_tree(messages.content, '$.mentions') AS mention ON mention.value = '#' || ?4
WHERE
messages.timestamp >= ?2 AND
messages.timestamp < ?3
UNION
SELECT news.* FROM news
`,
[
@@ -164,10 +160,9 @@ class TfTabNewsFeedElement extends LitElement {
FROM messages
JOIN json_each(?1) AS following ON messages.author = following.value
WHERE
messages.timestamp >= ?2 AND
messages.timestamp < ?3 AND
?2 IS NULL OR (messages.timestamp >= ?2 AND messages.timestamp < ?3) AND
json(messages.content) LIKE '"%'
ORDER BY sequence DESC
ORDER BY sequence DESC LIMIT 20
`,
[JSON.stringify(this.following), start_time, end_time]
);
@@ -179,11 +174,17 @@ class TfTabNewsFeedElement extends LitElement {
promises.push(
tfrpc.rpc.query(
`
WITH news AS (SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages
JOIN json_each(?) AS following ON messages.author = following.value
WHERE messages.timestamp >= ? AND messages.timestamp < ?
ORDER BY messages.timestamp DESC)
WITH
all_news AS (
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM messages
JOIN json_each(?) AS following ON messages.author = following.value
WHERE timestamp >= 0 AND timestamp < ?3),
news AS (
SELECT * FROM all_news
WHERE ?2 IS NULL or (all_news.timestamp >= ?2 AND all_news.timestamp < ?3)
ORDER BY timestamp DESC LIMIT 20
)
SELECT messages.rowid, messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
FROM news
JOIN messages_refs ON news.id = messages_refs.ref
@@ -313,6 +314,7 @@ class TfTabNewsFeedElement extends LitElement {
}
async load_messages() {
let start_time = new Date();
let self = this;
this.loading++;
let messages = [];
@@ -327,37 +329,21 @@ class TfTabNewsFeedElement extends LitElement {
this.start_time = start_time;
this.time_range = [this.start_time, now + 24 * 60 * 60 * 1000];
messages = await this.fetch_messages(
this.time_range[0],
null,
this.time_range[1]
);
this.update_time_range_from_messages(
messages.filter(
(x) =>
x.timestamp >= this.time_range[0] &&
x.timestamp < this.time_range[1]
(x) => x.timestamp < this.time_range[1]
)
);
messages = await this.decrypt(messages);
if (!messages.length) {
let more = [];
while (!more.length && start_time >= 0) {
let last_start_time = start_time;
start_time = last_start_time - 7 * 24 * 60 * 60 * 1000;
more = await this.fetch_messages(start_time, last_start_time);
this.update_time_range_from_messages(
more.filter(
(x) => x.timestamp >= start_time && x.timestamp < last_start_time
)
);
}
messages = await this.decrypt([...more, ...this.messages]);
}
} finally {
this.loading--;
}
this.messages = this.merge_messages(this.messages, messages);
this.time_loading = undefined;
console.log(`loading messages done for ${self.whoami}`);
console.log(`loading messages done for ${self.whoami} in ${(new Date() - start_time) / 1000}s`);
}
mark_all_read() {