cory/tildefriends
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Fast path for viewing a single user's feed, and reduce churn in collecting votes.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3741 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2022-01-08 21:12:36 +00:00
parent 700d09c730
commit bb81fc87b9
2 changed files with 34 additions and 11 deletions
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2
apps/cory/index.json
View File

@ -1 +1 @@
{"type":"tildefriends-app","files":{"app.js":"&SJrK87ZgHkxZQDB1nm/Xej/bzajzWpiY9a384zqZVzE=.sha256","index.html":"&O8+Vr4YHP8NIORZzM3Ee9tyLXr2xCETT2Eva0rO5ebA=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&ox9wj2+P3BhqokfHPI3ZMpSYNpNhl91K5R6Z4GbWxCA=.sha256","tf.js":"&rUCI1QKOoyWcFegV72DfG/P7HykmkX4DcvWV87hCeBM=.sha256","commonmark.min.js":"&5x6ek3tFrKTZX6hXNNyFsjmhvrjmWpUkwuuaiyVV1Us=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256"}} {"type":"tildefriends-app","files":{"app.js":"&F1q+r6zHWzbJE9t2rjrhupV2xCIFyJNabXkbGWjHTQQ=.sha256","index.html":"&O8+Vr4YHP8NIORZzM3Ee9tyLXr2xCETT2Eva0rO5ebA=.sha256","vue-material.js":"&K5cdLqXYCENPak/TCINHQhyJhpS4G9DlZHGwoh/LF2g=.sha256","tf-user.js":"&DdJwZYEo7AqFyutYMvEjykoVXxdHVog0UXye6Sbo0TU=.sha256","tf-message.js":"&ox9wj2+P3BhqokfHPI3ZMpSYNpNhl91K5R6Z4GbWxCA=.sha256","tf.js":"&rUCI1QKOoyWcFegV72DfG/P7HykmkX4DcvWV87hCeBM=.sha256","commonmark.min.js":"&5x6ek3tFrKTZX6hXNNyFsjmhvrjmWpUkwuuaiyVV1Us=.sha256","vue.js":"&g1wvA+yHl1sVC+eufTsg9If7ZeVyMTBU+h0tks7ZNzE=.sha256","vue-material-theme-default-dark.css":"&RP2nr+2CR18BpHHw5ST9a5GJUCOG9n0G2kuGkcQioWE=.sha256","vue-material.min.css":"&kGbUM2QgFSyHZRzqQb0b+0S3EVIlZ0AXpdiAVjIhou8=.sha256","roboto.css":"&jJv43Om673mQO5JK0jj7714s5E+5Yrf82H6LcDx7wUs=.sha256","material-icons.css":"&a28PdcVvgq/DxyIvJAx/e+ZOEtOuHnr3kjLWKyzH11M=.sha256"}}

43
apps/cory/index/app.js
View File

@ -134,7 +134,32 @@ function fnv32a(value)
return result >>> 0; return result >>> 0;
} }
async function getRecentPostsSingleId(db, id, limit) {
var recent = [];
await ssb.sqlStream(
"SELECT "+
" rowid, "+
" id, "+
" timestamp "+
"FROM messages "+
"WHERE "+
" author = ? AND "+
" json_extract(content, '$.type') = 'post' "+
"ORDER BY sequence DESC LIMIT ?",
[id, limit],
function(row) {
if (row.id) {
recent.push({id: row.id, timestamp: row.timestamp});
}
});
recent.sort((x, y) => y.timestamp - x.timestamp);
return recent.map(x => x.id);
}
async function getRecentPostIds(db, id, ids, limit) { async function getRecentPostIds(db, id, ids, limit) {
if (ids.length == 1) {
return await getRecentPostsSingleId(db, ids[0], limit);
}
const k_version = 11; const k_version = 11;
const k_batch_max = 16; const k_batch_max = 16;
var o = await db.get(id + ':recent_posts'); var o = await db.get(id + ':recent_posts');
@ -192,15 +217,14 @@ async function getRecentPostIds(db, id, ids, limit) {
async function getVotes(db, id) { async function getVotes(db, id) {
var o = await db.get(id + ":votes"); var o = await db.get(id + ":votes");
const k_version = 5; const k_version = 7;
var votes = []; var votes = [];
var f = o ? JSON.parse(o) : o; var f = o ? JSON.parse(o) : o;
if (!f || f.version != k_version) { if (!f || f.version != k_version) {
f = {votes: [], rowid: 0, version: k_version}; f = {votes: [], sequence: 0, version: k_version};
} }
await ssb.sqlStream( await ssb.sqlStream(
"SELECT "+ "SELECT "+
" rowid, "+
" author, "+ " author, "+
" id, "+ " id, "+
" sequence, "+ " sequence, "+
@ -208,20 +232,19 @@ async function getVotes(db, id) {
" content "+ " content "+
"FROM messages "+ "FROM messages "+
"WHERE "+ "WHERE "+
" rowid > ? AND "+
" author = ? AND "+ " author = ? AND "+
" sequence > ? AND "+
" json_extract(content, '$.type') = 'vote' "+ " json_extract(content, '$.type') = 'vote' "+
"UNION SELECT MAX(rowid) as rowid, NULL, NULL AS id, NULL, NULL, NULL FROM messages "+ "UNION SELECT NULL, NULL, MAX(sequence), NULL, NULL FROM messages WHERE author = ? "+
"ORDER BY rowid DESC LIMIT ?", "ORDER BY sequence DESC LIMIT ?",
[f.rowid, id, k_votes_max], [f.sequence, id, id, k_votes_max],
function(row) { function(row) {
if (row.id) { if (row.id) {
votes.push(row); votes.push(row);
} else {
f.rowid = row.rowid;
} }
f.sequence = Math.max(f.sequence, row.sequence);
}); });
f.votes = [].concat(votes.reverse(), f.votes).slice(0, k_votes_max); f.votes = [].concat(votes, f.votes).slice(0, k_votes_max);
var j = JSON.stringify(f); var j = JSON.stringify(f);
if (o != j) { if (o != j) {
await db.set(id + ":votes", j); await db.set(id + ":votes", j);