kopia lustrzana https://github.com/Tldraw/Tldraw
48 wiersze
1.3 KiB
TypeScript
48 wiersze
1.3 KiB
TypeScript
import { CreateSnapshotRequestBody } from '@tldraw/dotcom-shared'
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import { RoomSnapshot } from '@tldraw/tlsync'
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import { IRequest } from 'itty-router'
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import { nanoid } from 'nanoid'
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import { getR2KeyForSnapshot } from '../r2'
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import { Environment } from '../types'
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import { validateSnapshot } from '../utils/validateSnapshot'
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export type R2Snapshot = {
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parent_slug: CreateSnapshotRequestBody['parent_slug']
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drawing: RoomSnapshot
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}
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export async function createRoomSnapshot(request: IRequest, env: Environment): Promise<Response> {
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const data = (await request.json()) as CreateSnapshotRequestBody
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const snapshotResult = validateSnapshot(data)
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if (!snapshotResult.ok) {
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return Response.json({ error: true, message: snapshotResult.error }, { status: 400 })
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}
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const roomId = `v2_c_${nanoid()}`
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const persistedRoomSnapshot = {
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parent_slug: data.parent_slug,
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drawing: {
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schema: data.schema,
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clock: 0,
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documents: Object.values(data.snapshot).map((r) => ({
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state: r,
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lastChangedClock: 0,
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})),
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tombstones: {},
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},
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} satisfies R2Snapshot
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const parentSlug = data.parent_slug
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if (parentSlug) {
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await env.SNAPSHOT_SLUG_TO_PARENT_SLUG.put(roomId, parentSlug)
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}
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await env.ROOM_SNAPSHOTS.put(
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getR2KeyForSnapshot(parentSlug, roomId),
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JSON.stringify(persistedRoomSnapshot)
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)
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return new Response(JSON.stringify({ error: false, roomId }))
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}
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