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Improve tag indexing logic

This commit is contained in:
Alex Gleason 2023-08-09 20:34:21 -05:00
parent f127aa7406
commit 8ebd85b760
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GPG Key ID: 7211D1F99744FBB7
1 changed files with 17 additions and 2 deletions
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19
src/db/events.ts
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@ -3,6 +3,17 @@ import { type SignedEvent } from '@/event.ts';
import { db, type TagRow } from '@/db.ts';
type TagCondition = ({ event, count }: { event: SignedEvent; count: number }) => boolean;
/** Conditions for when to index certain tags. */
const tagConditions: Record<string, TagCondition> = {
't': ({ count }) => count < 5,
'p': ({ event }) => event.kind === 3,
'd': ({ event, count }) => 30000 <= event.kind && event.kind < 40000 && count === 0,
'q': ({ event, count }) => event.kind === 1 && count === 0,
'proxy': ({ count }) => count === 0,
};
function insertEvent(event: SignedEvent): Promise<void> {
return db.transaction().execute(async (trx) => {
await trx.insertInto('events')
@ -12,11 +23,15 @@ function insertEvent(event: SignedEvent): Promise<void> {
})
.executeTakeFirst();
const tagCounts: Record<string, number> = {};
const tags = event.tags.reduce<Insertable<TagRow>[]>((results, tag) => {
if (['p', 'e', 'q', 'd', 't', 'proxy'].includes(tag[0])) {
const tagName = tag[0];
tagCounts[tagName] = (tagCounts[tagName] || 0) + 1;
if (tagConditions[tagName]?.({ event, count: tagCounts[tagName] - 1 })) {
results.push({
event_id: event.id,
tag: tag[0],
tag: tagName,
value_1: tag[1] || null,
value_2: tag[2] || null,
value_3: tag[3] || null,