forked from cory/tildefriends
105 lines
2.6 KiB
JavaScript
105 lines
2.6 KiB
JavaScript
async function process_message(whoami, collection, message, kind, parent) {
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let content = JSON.parse(message.content);
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if (typeof content == 'string') {
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let x;
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for (let id of (whoami || [])) {
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x = await ssb.privateMessageDecrypt(id, content);
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if (x) {
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try {
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content = JSON.parse(x);
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content.draft = true;
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break;
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} catch {
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return;
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}
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}
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}
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if (!x) {
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return;
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}
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if (content.type !== kind ||
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(parent && content.parent !== parent)) {
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return;
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}
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} else {
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content.draft = false;
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}
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if (content?.key) {
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if (content?.tombstone) {
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delete collection[content.key];
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} else {
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collection[content.key] = Object.assign(collection[content.key] || {}, content);
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}
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} else {
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collection[message.id] = Object.assign(content, {id: message.id});
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if (!collection[message.id].editors) {
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collection[message.id].editors = [message.author];
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}
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}
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return true;
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}
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let g_new_message_resolve;
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let g_new_message_promise = new Promise(function(resolve, reject) {
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g_new_message_resolve = resolve;
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});
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function new_message() {
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return g_new_message_promise;
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}
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ssb.addEventListener('message', function(id) {
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let resolve = g_new_message_resolve;
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g_new_message_promise = new Promise(function(resolve, reject) {
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g_new_message_resolve = resolve;
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});
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if (resolve) {
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resolve();
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}
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});
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export async function collection(ids, kind, parent, max_rowid, data, include_private) {
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let whoami = await ssb.getIdentities();
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data = data ?? {};
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let rowid = 0;
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let first = true;
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await ssb.sqlAsync('SELECT MAX(rowid) AS rowid FROM messages', [], function(row) {
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rowid = row.rowid;
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});
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while (true) {
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if (rowid == max_rowid) {
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await new_message();
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await ssb.sqlAsync('SELECT MAX(rowid) AS rowid FROM messages', [], function(row) {
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rowid = row.rowid;
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});
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first = false;
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}
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let modified = false;
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let rows = [];
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await ssb.sqlAsync(`
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SELECT messages.id, author, content, timestamp
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FROM messages
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JOIN json_each(?1) AS id ON messages.author = id.value
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WHERE
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messages.rowid > ?2 AND
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messages.rowid <= ?3 AND
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((json_extract(messages.content, '$.type') = ?4 AND
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(?5 IS NULL OR json_extract(messages.content, '$.parent') = ?5)) OR
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(?6 AND content LIKE '"%'))
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ORDER BY timestamp
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`, [JSON.stringify(ids), max_rowid ?? -1, rowid, kind, parent, include_private ? true : false], function(row) {
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rows.push(row);
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});
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max_rowid = rowid;
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for (let row of rows) {
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if (await process_message(whoami, data, row, kind, parent)) {
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modified = true;
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}
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}
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if (first || modified) {
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break;
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}
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}
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return [rowid, data];
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} |