wildebeest/backend/src/mastodon/reblog.ts

42 wiersze
1.2 KiB
TypeScript

// Also known as boost.
import type { APObject } from 'wildebeest/backend/src/activitypub/objects'
import type { Actor } from 'wildebeest/backend/src/activitypub/actors'
import { getResultsField } from './utils'
import { addObjectInOutbox } from '../activitypub/actors/outbox'
/**
* Creates a reblog and inserts it in the reblog author's outbox
*
* @param db D1Database
* @param actor Reblogger
* @param obj ActivityPub object to reblog
*/
export async function createReblog(db: D1Database, actor: Actor, obj: APObject) {
await Promise.all([addObjectInOutbox(db, actor, obj), insertReblog(db, actor, obj)])
}
export async function insertReblog(db: D1Database, actor: Actor, obj: APObject) {
const id = crypto.randomUUID()
const query = `
INSERT INTO actor_reblogs (id, actor_id, object_id)
VALUES (?, ?, ?)
`
const out = await db.prepare(query).bind(id, actor.id.toString(), obj.id.toString()).run()
if (!out.success) {
throw new Error('SQL error: ' + out.error)
}
}
export function getReblogs(db: D1Database, obj: APObject): Promise<Array<string>> {
const query = `
SELECT actor_id FROM actor_reblogs WHERE object_id=?
`
const statement = db.prepare(query).bind(obj.id.toString())
return getResultsField(statement, 'actor_id')
}