octoturge
847f7cb686
Nothing subscribed to channel:print_alerts and nothing watched a printer fail, so an operator away from the screen found out when they came back to a ruined plate. Alerts are now rows in printer_alerts, listed at GET /alerts (open=true for what still needs a person) and cleared with POST /alerts/:id/acknowledge, which is operator-only and keeps the first acknowledger on the record. Two sources. Telemetry: a change into error is a failed print if the printer was printing or paused, otherwise a printer error; a print the printer paused itself (how an AMS fault looks) is announced too. Transitions, not levels - a printer sitting in error is one alert, not one per frame - and a connection's first sight of a printer raises nothing, so a gateway that reconnects does not re-announce known faults. AI: the worker's Valkey publications are stored when confidence is at least ALERT_MIN_CONFIDENCE (default 0.6); the worker deliberately does not threshold, so the policy lives here. A bad message costs one message, not the listener. e2e-authz.sh gains the scoping/ack cases; new e2e-alerts.sh drives a stand-in gateway over the real /ws/edge/v1 and the real Valkey channel (checked to fail when the derivation is broken).
46 lines
1.7 KiB
TypeScript
46 lines
1.7 KiB
TypeScript
import { pgTable, uuid, text, timestamp, real, pgEnum, index } from "drizzle-orm/pg-core";
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import { farms } from "./farms";
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import { printers } from "./printers";
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export const alertKindEnum = pgEnum("alert_kind", [
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"print_failed",
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"print_paused",
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"printer_error",
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"ai_detection",
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]);
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/**
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* The permanent record of something an operator should look at.
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*
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* A table and not a channel: Valkey PUBLISH keeps nothing, so an alert raised
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* while no console was open would otherwise be gone for good. The console
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* lists open (unacknowledged) rows, which is also what makes "I was away,
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* what happened" answerable.
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*/
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export const printerAlerts = pgTable(
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"printer_alerts",
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{
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id: uuid("id").primaryKey().defaultRandom(),
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farmId: uuid("farm_id")
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.notNull()
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.references(() => farms.id, { onDelete: "cascade" }),
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// Set null rather than cascade: the history of why a deleted printer was
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// flagged is still worth having, and the farm cascade bounds it anyway.
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printerId: uuid("printer_id").references(() => printers.id, { onDelete: "set null" }),
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kind: alertKindEnum("kind").notNull(),
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message: text("message").notNull(),
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// Only for ai_detection; null is "not applicable", not zero confidence.
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confidence: real("confidence"),
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// Where the frame the detection came from lives, for ai_detection.
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objectKey: text("object_key"),
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acknowledgedBy: uuid("acknowledged_by"),
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acknowledgedAt: timestamp("acknowledged_at", { withTimezone: true }),
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createdAt: timestamp("created_at", { withTimezone: true }).defaultNow().notNull(),
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},
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(table) => ({
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farmOpen: index("printer_alerts_farm_open_idx").on(table.farmId, table.acknowledgedAt),
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}),
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);
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export type PrinterAlert = typeof printerAlerts.$inferSelect;
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