jschoubben
7b06a7a408
Every module named its events the way the old bus spelled a routing key — `module.<module>.<verb>`. Design 29 says a module names an event locally and the mesh works out where it lands, so all 37 were stale against a rule already decided. On the new bus that derives into a namespace belonging to a module called "module", so no cross-module subscription in the mesh matched anything: nothing failed, nothing reacted (novox/hq 04-ISSUES/127). 36 manifests converted, and 43 files of module code with them. The code mattered as much as the manifests: the runtime builds the subject from what `emit()` is handed, so a converted manifest with unconverted code would have had the permission and the subject disagree. Three things the new check found on the way: - `photos` emitted an event its manifest never declared, which the new bus refuses outright. Declared. - `showcase` waited for an event nothing emits, so its demo could never be triggered — only `showcase` may publish under its own name. It emits both halves now. - `distribution` declared an event named after a different module. It emits `image.pushed` under its own name. An event about a *role* belongs on the seat, where the name outlives whoever holds it, but the sdk has no way to publish on a seat yet, so that stays recorded rather than declared. The audit logger's "everything" pattern is `**` rather than the old bus's `#`.
70 lines
2.7 KiB
TypeScript
70 lines
2.7 KiB
TypeScript
// lidarr's events. The tool runtime imports this once the broker is bound. It watches the download
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// queue and turns its comings and goings into mesh events.
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//
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// Emits (novox/hq ADR 0041/0042):
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// module.lidarr.album.grabbed — a release entered the queue (Lidarr grabbed it)
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// module.lidarr.download.completed — a release left the queue, imported. The download.completed
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// routing key matches what a media consumer subscribes to
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// (module.*.download.completed) to rescan its library.
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// Consumes: none.
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//
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// The queue is polled and diffed, primed silently on the first look (like plex's index.ts) so a
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// restart mid-download does not re-announce everything already in flight as freshly grabbed.
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import { emit } from "@novox/mesh-sdk/events";
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import { LidarrClient, type LidarrQueueItem } from "./client.js";
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// Building the client throws when Lidarr has no URL/key yet. Like the tools (see tools/index.ts),
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// the events entrypoint must not crash the runtime for that — it stays idle until configured.
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function buildClient(): LidarrClient | null {
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try {
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return LidarrClient.fromEnv();
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} catch {
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return null;
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}
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}
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const lidarr = buildClient();
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// Lidarr removes an item from the queue once it has been imported; a "warning"/"failed" status is
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// how a stuck or broken grab shows itself, so we do not call those a completion when they vanish.
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const FAILED_STATUSES = new Set(["failed", "warning"]);
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const inQueue = new Map<number, LidarrQueueItem>();
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let primed = false;
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async function pollQueue(lidarr: LidarrClient): Promise<void> {
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const { items } = await lidarr.getQueue();
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const now = new Map(items.map((i) => [i.id, i]));
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if (primed) {
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// Entered the queue since last look — Lidarr grabbed a release.
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for (const [id, item] of now) {
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if (!inQueue.has(id)) await emit("album.grabbed", { title: item.title, status: item.status });
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}
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// Left the queue — imported and done, unless it was last seen failing.
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for (const [id, item] of inQueue) {
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if (!now.has(id) && !FAILED_STATUSES.has(item.status)) {
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await emit("download.completed", { title: item.title });
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}
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}
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}
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inQueue.clear();
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for (const [id, item] of now) inQueue.set(id, item);
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primed = true;
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}
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const tick = (fn: () => Promise<void>, everyMs: number): void => {
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const run = (): void => void fn().catch((err) => console.error(`[lidarr] ${err}`));
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setInterval(run, everyMs);
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run();
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};
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if (lidarr) {
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tick(() => pollQueue(lidarr), 30_000);
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console.log("[lidarr] watching the download queue, emitting grabs and completions");
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} else {
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console.log("[lidarr] not configured — events idle until an API key is available");
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}
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