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db/events: add comments

This commit is contained in:
Alex Gleason 2023-08-12 15:45:58 -05:00
parent 4c8a685528
commit 9da4fb2bba
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GPG Key ID: 7211D1F99744FBB7
1 changed files with 5 additions and 0 deletions
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5
src/db/events.ts
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@ -15,6 +15,7 @@ const tagConditions: Record<string, TagCondition> = {
't': ({ count }) => count < 5,
};
/** Insert an event (and its tags) into the database. */
function insertEvent(event: SignedEvent): Promise<void> {
return db.transaction().execute(async (trx) => {
await trx.insertInto('events')
@ -50,10 +51,12 @@ function insertEvent(event: SignedEvent): Promise<void> {
});
}
/** Custom filter interface that extends Nostr filters with extra options for Ditto. */
interface DittoFilter<K extends number = number> extends Filter<K> {
local?: boolean;
}
/** Build the query for a filter. */
function getFilterQuery(filter: DittoFilter) {
let query = db
.selectFrom('events')
@ -107,6 +110,7 @@ function getFilterQuery(filter: DittoFilter) {
return query;
}
/** Get events for filters from the database. */
async function getFilters<K extends number>(filters: [DittoFilter<K>]): Promise<SignedEvent<K>[]>;
async function getFilters(filters: DittoFilter[]): Promise<SignedEvent[]>;
async function getFilters(filters: DittoFilter[]) {
@ -121,6 +125,7 @@ async function getFilters(filters: DittoFilter[]) {
));
}
/** Get events for a filter from the database. */
function getFilter<K extends number = number>(filter: DittoFilter<K>): Promise<SignedEvent<K>[]> {
return getFilters<K>([filter]);
}