forked from cory/tildefriends
127 lines
3.2 KiB
JavaScript
127 lines
3.2 KiB
JavaScript
async function query(sql, args) {
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let rows = [];
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await ssb.sqlAsync(sql, args ?? [], function (row) {
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rows.push(row);
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});
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return rows;
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}
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async function get_biggest() {
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return query(`
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select author, size from messages_stats group by author order by size desc limit 10;
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`);
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}
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async function get_total() {
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return (
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await query(`
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select sum(length(content)) as size, count(distinct author) as count from messages;
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`)
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)[0];
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}
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async function get_names(identities) {
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return query(
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`
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SELECT author, name FROM (
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SELECT
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messages.author,
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RANK() OVER (PARTITION BY messages.author ORDER BY messages.sequence DESC) AS author_rank,
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messages.content ->> 'name' AS name
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FROM messages
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JOIN json_each(?) AS identities ON identities.value = messages.author
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WHERE
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json_extract(messages.content, '$.type') = 'about' AND
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content ->> 'about' = messages.author AND name IS NOT NULL)
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WHERE author_rank = 1
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`,
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[JSON.stringify(identities)]
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);
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}
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async function get_most_follows() {
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return query(`
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select author, count(*) as count
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from messages
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where content ->> 'type' = 'contact' and content ->> 'following' = true
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group by author
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order by count desc
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limit 10;
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`);
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}
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function nice_size(bytes) {
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let value = bytes;
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let index = 0;
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let units = ['B', 'kB', 'MB', 'GB'];
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while (value > 1024 && index < units.length - 1) {
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value /= 1024;
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index++;
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}
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return `${Math.round(value * 10) / 10} ${units[index]}`;
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}
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async function main() {
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await app.setDocument('<p style="color: #fff">Analyzing feeds...</p>');
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let most_follows = get_most_follows();
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let total = await get_total();
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let identities = await ssb.getAllIdentities();
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let following1 = await ssb.following(identities, 1);
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let following2 = await ssb.following(identities, 2);
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let biggest = await get_biggest();
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most_follows = await most_follows;
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let names = await get_names(
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[].concat(
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biggest.map((x) => x.author),
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most_follows.map((x) => x.author)
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)
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);
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names = Object.fromEntries(names.map((x) => [x.author, x.name]));
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for (let item of biggest) {
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item.name = names[item.author];
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item.following =
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identities.indexOf(item.author) != -1
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? 0
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: following1[item.author] !== undefined
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? 1
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: following2[item.author] !== undefined
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? 2
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: undefined;
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}
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for (let item of most_follows) {
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item.name = names[item.author];
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}
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let html = `<body style="color: #000; background-color: #ddd">\n
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<h1>Storage Summary</h1>
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<h2>Top Accounts by Size</h2>
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<ol>`;
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for (let item of biggest) {
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html += `<li>
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<span style="color: #888">${nice_size(item.size)}</span>
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<a target="_top" href="/~core/ssb/#${encodeURI(item.author)}">${item.name ?? item.author}</a>
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</li>
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\n`;
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}
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html += `
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</ol>
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<h2>Top Accounts by Follows</h2>
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<ol>`;
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for (let item of most_follows) {
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html += `<li>
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<span style="color: #888">${item.count}</span>
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${following2[item.author] ? '✅' : '🚫'}
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<a target="_top" href="/~core/ssb/#${encodeURI(item.author)}">${item.name ?? item.author}</a>
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</li>
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\n`;
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}
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html += `
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</ol>
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<p>Total <span style="color: #888">${nice_size(total.size)}</span> in ${total.count} accounts.</p>
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`;
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await app.setDocument(html);
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}
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main().catch(function (e) {
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print(e);
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});
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