61 lines
1.7 KiB
TypeScript
61 lines
1.7 KiB
TypeScript
import { ServerWebSocket } from "bun";
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import { validate } from "uuid";
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import { syncronize } from "y-pojo";
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import { WSData } from "../../../../../pkgs/core/server/create";
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import { MPage } from "../../../../web/src/utils/types/general";
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import {
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WS_MSG_GET_PAGE,
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WS_MSG_SET_PAGE,
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WS_MSG_SV_LOCAL,
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} from "../../../../web/src/utils/types/ws";
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import { eg } from "../edit-global";
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import { sendWS } from "../send";
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import { loadPage } from "../tools/load-page";
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export const getPage = async (
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ws: ServerWebSocket<WSData>,
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msg: WS_MSG_GET_PAGE
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) => {
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const page_id = msg.page_id;
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if (!validate(page_id)) return;
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if (!eg.edit.page[page_id]) {
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const rawPage = await loadPage(page_id);
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if (rawPage) {
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const ydoc = new Y.Doc() as MPage;
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let root = ydoc.getMap("map");
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syncronize(root as any, rawPage);
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const ws = new Set<ServerWebSocket<WSData>>();
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const um = new Y.UndoManager(root, { ignoreRemoteMapChanges: true });
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const broadcast = () => {
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const sv_local = Y.encodeStateVector(ydoc as any).toString();
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const broadcast: WS_MSG_SV_LOCAL = {
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type: "sv_local",
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sv_local,
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mode: "page",
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id: page_id,
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};
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ws.forEach((w) => w.send(JSON.stringify(broadcast)));
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};
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um.on("stack-item-added", broadcast);
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um.on("stack-item-updated", broadcast);
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eg.edit.page[page_id] = {
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id: page_id,
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doc: ydoc,
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undoManager: um,
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ws,
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};
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}
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}
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const page = eg.edit.page[page_id];
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page.ws.add(ws);
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const sent: WS_MSG_SET_PAGE = {
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type: "set_page",
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changes: Y.encodeStateAsUpdate(page.doc as any).toString(),
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};
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sendWS(ws,JSON.stringify(sent));
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};
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