mirror of
https://gitlab.com/wgp/dougal/software.git
synced 2025-12-06 10:37:07 +00:00
6a21ddd1cd
The events listener now uses a proper self-consuming queue and the event handlers have been rewritten accordingly. The way this works is that running init() on the handlers library instantiates the handlers and returns two higher-order functions, prepare() and despatch(). A call to the latter of these is appended to the queue with each new incoming event. The handlers have access to a context object (ctx) which may be used to persist data between calls and/or exchange data between handlers. This is used notably to give the handlers access to project configurations, which are themselves refreshed by a project configuration change handler (DetectProjectConfigurationChange).
81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
const { schema2pid } = require('../../lib/db/connection');
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const { event } = require('../../lib/db');
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const { ALERT, ERROR, WARNING, NOTICE, INFO, DEBUG } = require('DOUGAL_ROOT/debug')(__filename);
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class DetectSoftStart {
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author = `*${this.constructor.name}*`;
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prev = null;
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constructor () {
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DEBUG(`${this.author} instantiated`);
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}
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async run (data, ctx) {
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if (!data || data.channel !== "realtime") {
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return;
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}
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if (!(data.payload && data.payload.new && data.payload.new.meta)) {
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return;
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}
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if (!this.prev) {
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DEBUG("Initialising `prev`");
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this.prev = data;
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return;
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}
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try {
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DEBUG("Running");
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const cur = data?.payload?.new?.meta;
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const prev = this.prev?.payload?.new?.meta;
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// DEBUG("%j", prev);
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// DEBUG("%j", cur);
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DEBUG("cur.num_guns: %d\ncur.num_active: %d\nprv.num_active: %d\ntest passed: %j", cur.num_guns, cur.num_active, prev.num_active, cur.num_active >= 1 && !prev.num_active && cur.num_active < cur.num_guns);
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if (cur.num_active >= 1 && !prev.num_active && cur.num_active < cur.num_guns) {
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INFO("Soft start detected @", cur.tstamp);
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// FIXME Shouldn't need to use schema2pid as pid already present in payload.
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const projectId = await schema2pid(cur._schema ?? prev._schema);
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// TODO: Try and grab the corresponding comment from the configuration?
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const payload = {
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tstamp: cur.tstamp,
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remarks: "Soft start",
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labels: [ "Daily", "Guns", "Prod" ],
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meta: {auto: true, author: `*${this.constructor.name}*`}
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};
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DEBUG("Posting event", projectId, payload);
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await event.post(projectId, payload);
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} else if (cur.num_active == cur.num_guns && prev.num_active < cur.num_active) {
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INFO("Full volume detected @", cur.tstamp);
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const projectId = await schema2pid(cur._schema ?? prev._schema);
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// TODO: Try and grab the corresponding comment from the configuration?
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const payload = {
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tstamp: cur.tstamp,
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remarks: "Full volume",
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labels: [ "Daily", "Guns", "Prod" ],
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meta: {auto: true, author: `*${this.constructor.name}*`}
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};
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DEBUG("Posting event", projectId, payload);
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await event.post(projectId, payload);
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}
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} catch (err) {
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DEBUG(`${this.author} error`, err);
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throw err;
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} finally {
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this.prev = data;
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}
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}
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}
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module.exports = DetectSoftStart;
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