Mohamed Boudra
eca0a5bf67
Automatic desktop update checks still respect rollout admission. Manual checks carry an explicit intent through the app and desktop updater service, and the up-to-date state now shows when the last check completed.
43 lines
1.3 KiB
TypeScript
43 lines
1.3 KiB
TypeScript
import { UUID } from "builder-util-runtime";
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import { z } from "zod";
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export type AppReleaseChannel = "stable" | "beta";
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export type AppUpdateCheckIntent = "automatic" | "manual";
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export const rolloutManifestSchema = z.object({
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rolloutHours: z
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.union([z.number(), z.string().transform(Number)])
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.pipe(z.number().finite().nonnegative())
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.optional()
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.catch(undefined),
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releaseDate: z.string().optional().catch(undefined),
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});
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export function shouldAdmitAppUpdate(args: {
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channel: AppReleaseChannel;
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intent: AppUpdateCheckIntent;
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rolloutHours: number | undefined;
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releaseDate: string | undefined;
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now: number;
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bucket: number;
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}): boolean {
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if (args.intent === "manual") return true;
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if (args.channel !== "stable") return true;
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if (args.rolloutHours == null) return true;
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if (args.rolloutHours === 0) return true;
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if (!args.releaseDate) return true;
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const releaseTime = new Date(args.releaseDate).getTime();
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if (Number.isNaN(releaseTime)) return true;
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const ageHours = (args.now - releaseTime) / 3_600_000;
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if (ageHours < 0) return false;
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const pct = Math.min(100, (ageHours / args.rolloutHours) * 100);
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return args.bucket * 100 < pct;
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}
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export function bucketFromStagingUserId(stagingUserId: string): number {
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return UUID.parse(stagingUserId).readUInt32BE(12) / 0x100000000;
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}
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