113 lines
3.2 KiB
TypeScript
113 lines
3.2 KiB
TypeScript
import { Jetstream } from "@skyware/jetstream";
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import {
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deleteNote,
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getCursor,
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getWebhooksByDid,
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saveCursor,
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upsertNote,
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} from "./src/data/db.ts";
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import { Note } from "./src/data/note.ts";
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import { log } from "./src/log.ts";
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globalThis.addEventListener("unhandledrejection", (e) => {
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log("[jetstream] unhandled rejection:", e.reason);
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});
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globalThis.addEventListener("error", (e) => {
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log("[jetstream] uncaught error:", e.error);
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});
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const fireWebhooks = async (
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did: string,
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payload: Record<string, unknown>,
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): Promise<void> => {
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const webhooks = getWebhooksByDid(did);
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if (webhooks.length === 0) return;
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const results = await Promise.allSettled(
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webhooks.map(({ method, url, token }) => {
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const hasBody = method !== "GET" && method !== "HEAD";
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return fetch(url, {
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method,
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headers: {
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...(hasBody ? { "Content-Type": "application/json" } : {}),
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...(token ? { Authorization: `Bearer ${token}` } : {}),
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},
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body: hasBody ? JSON.stringify(payload) : undefined,
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});
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}),
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);
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for (const result of results) {
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if (result.status === "rejected") {
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log(`[jetstream] webhook error for ${did}:`, result.reason);
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}
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}
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};
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const cursor = getCursor();
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log(`[jetstream] starting with cursor: ${cursor ?? "none"}`);
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const jetstream = new Jetstream({
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wantedCollections: ["space.remanso.note"],
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cursor: cursor ? Number(cursor) : undefined,
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endpoint: "https://jetstream2.fr.hose.cam/subscribe"
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});
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jetstream.onCreate("space.remanso.note", async (event) => {
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try {
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const { did, commit: { rkey, record } } = event;
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log(`[jetstream] creating ${did}/${rkey}...`);
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const note = record as unknown as Omit<Note, "did" | "rkey">;
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upsertNote({ did, rkey, ...note });
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log(`[jetstream] create ${did}/${rkey}: ${note.title}`);
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await fireWebhooks(did, { event: "create", did, rkey, ...note });
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} catch (error) {
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log(`[jetstream] error on create:`, error);
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}
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});
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jetstream.onUpdate("space.remanso.note", async (event) => {
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try {
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const { did, commit: { rkey, record } } = event;
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log(`[jetstream] updating ${did}/${rkey}...`);
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const note = record as unknown as Omit<Note, "did" | "rkey">;
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upsertNote({ did, rkey, ...note });
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log(`[jetstream] update ${did}/${rkey}: ${note.title}`);
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await fireWebhooks(did, { event: "update", did, rkey, ...note });
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} catch (error) {
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log(`[jetstream] error on update:`, error);
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}
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});
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jetstream.onDelete("space.remanso.note", async (event) => {
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try {
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const { did, commit: { rkey } } = event;
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log(`[jetstream] deleting ${did}/${rkey}...`);
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deleteNote({ did, rkey });
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log(`[jetstream] delete ${did}/${rkey}`);
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await fireWebhooks(did, { event: "delete", did, rkey });
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} catch (error) {
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log(`[jetstream] error on delete:`, error);
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}
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});
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jetstream.on("open", () => {
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log("[jetstream] connected");
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});
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jetstream.on("close", () => {
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log("[jetstream] connection closed");
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});
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jetstream.on("error", (error) => {
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log("[jetstream] connection closed with error", error);
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});
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log("[jetstream] launching");
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jetstream.start();
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setInterval(() => {
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if (jetstream.cursor) {
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saveCursor(jetstream.cursor);
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}
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}, 5000);
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