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refactor: save ydoc state in the database, so it can be restored easier

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By storing the ydoc state in the database we can reconnect lost clients easier
and enable offline editing because we continue using the crdt data that has been
used by the client before the connection loss.

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>
This commit is contained in:
Tilman Vatteroth 2023-03-24 10:26:49 +01:00
parent 4707540237
commit a826677225
26 changed files with 301 additions and 204 deletions
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29
commons/src/y-doc-sync/y-doc-sync-adapter.test.ts
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@ -68,10 +68,10 @@ describe('message transporter', () => {
console.debug('s>2 is connected')
)
docServer.on('update', (update: Uint8Array, origin: unknown) => {
docServer.on('update', (update: number[], origin: unknown) => {
const message: Message<MessageType.NOTE_CONTENT_UPDATE> = {
type: MessageType.NOTE_CONTENT_UPDATE,
payload: Array.from(update)
payload: update
}
if (origin !== transporterServerTo1) {
console.debug('YDoc on Server updated. Sending to Client 1')
@ -82,32 +82,35 @@ describe('message transporter', () => {
transporterServerTo2.sendMessage(message)
}
})
docClient1.on('update', (update: Uint8Array, origin: unknown) => {
docClient1.on('update', (update: number[], origin: unknown) => {
if (origin !== transporterClient1) {
console.debug('YDoc on client 1 updated. Sending to Server')
}
})
docClient2.on('update', (update: Uint8Array, origin: unknown) => {
docClient2.on('update', (update: number[], origin: unknown) => {
if (origin !== transporterClient2) {
console.debug('YDoc on client 2 updated. Sending to Server')
}
})
const yDocSyncAdapter1 = new YDocSyncClientAdapter(transporterClient1)
yDocSyncAdapter1.setYDoc(docClient1)
const yDocSyncAdapter2 = new YDocSyncClientAdapter(transporterClient2)
yDocSyncAdapter2.setYDoc(docClient2)
const yDocSyncAdapter1 = new YDocSyncClientAdapter(
transporterClient1,
docClient1
)
const yDocSyncAdapter2 = new YDocSyncClientAdapter(
transporterClient2,
docClient2
)
const yDocSyncAdapterServerTo1 = new YDocSyncServerAdapter(
transporterServerTo1
transporterServerTo1,
docServer
)
yDocSyncAdapterServerTo1.setYDoc(docServer)
const yDocSyncAdapterServerTo2 = new YDocSyncServerAdapter(
transporterServerTo2
transporterServerTo2,
docServer
)
yDocSyncAdapterServerTo2.setYDoc(docServer)
const waitForClient1Sync = new Promise<void>((resolve) => {
yDocSyncAdapter1.doAsSoonAsSynced(() => {