82 lines
2.1 KiB
TypeScript
82 lines
2.1 KiB
TypeScript
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import webpush from "web-push";
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import { CouchDBChangesStream } from "couchdb-changes-stream";
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import { qrDb, messagesDbUrl } from "./dbs";
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import { setupVapidDetails } from "./setupVapidDetails";
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import type { MessageDocument } from "@hereconnect/types";
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import { ServiceSeqTracker } from "./serviceSeqTracker";
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const serviceSeqTracker = new ServiceSeqTracker();
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const start = async () => {
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await setupVapidDetails();
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const since = await serviceSeqTracker.getSince();
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const changesStream = new CouchDBChangesStream<MessageDocument>(
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messagesDbUrl,
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{
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since,
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feed: "continuous",
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include_docs: true,
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heartbeat: 1000,
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filter: "_selector",
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selector: {
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type: "message",
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},
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},
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);
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// Gracefully handle SIGINT
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process.on("SIGINT", async () => {
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changesStream.stop();
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process.stdout.write("\n");
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process.exit(2);
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});
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console.info("Service started from sequence", since);
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for await (const change of changesStream) {
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const { seq, doc } = change;
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if (!doc) {
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console.error("Change missing document:", change);
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continue;
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}
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serviceSeqTracker.checkNextSeq(seq);
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try {
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if (doc.from === "guest") {
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const qrDoc = await qrDb.get(`qr:${doc.qr_code_uri}`);
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if (qrDoc.messageDeliveryMethod !== "webPush") {
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console.log(`Skip !webPush`);
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continue;
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}
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console.log("FROM GUEST");
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console.log(qrDoc.user_uuid);
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console.log(qrDoc.browser_uuid);
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} else if (doc.from === "owner") {
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console.log("FROM OWNER");
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} else {
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continue;
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}
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console.log(
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`Processed change: ${JSON.stringify({ _id: change.id, ref: doc._rev, seq: change.seq })}`,
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);
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} catch (error) {
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console.error(
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`Failed processing: ${JSON.stringify(error)} change: ${JSON.stringify({ id: doc._id, rev: doc._rev, seq: seq })}`,
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);
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} finally {
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await serviceSeqTracker.saveSeq(seq);
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}
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}
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};
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start().catch((error) => {
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console.error("error", error);
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process.exit(1);
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});
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