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5f24abe | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | import { Resource } from "@opencode-ai/console-resource"
import { getRedis } from "./redis"
// Workspaces whose balance/usage updates should be batched in Redis to avoid
// row-level lock contention on BillingTable / UserTable.
export const HOT_WORKSPACES = new Set<string>([
"wrk_01KJ8PX5CH50Y4YNGNS9ZR8YDC", // invoice
])
// Probability that a given request flushes the accumulated totals to the DB.
// Lower = fewer DB writes, more staleness. ~1 in 100 -> ~1% of requests write.
const FLUSH_PROBABILITY = 1 / 100
export async function accumulateUsage(workspaceID: string, userID: string, workspaceCost: number, userCost: number) {
const redis = getRedis()
const wKey = `${Resource.App.stage}:usage:wrk:${workspaceID}`
const uKey = `${Resource.App.stage}:usage:usr:${workspaceID}:${userID}`
await Promise.all([redis.incrby(wKey, workspaceCost), redis.incrby(uKey, userCost)])
if (Math.random() > FLUSH_PROBABILITY) return null
// Atomically take the current totals and reset to 0
const [workspaceTotal, userTotal] = await Promise.all([redis.getdel<number>(wKey), redis.getdel<number>(uKey)])
const workspaceFlush = Number(workspaceTotal ?? 0)
const userFlush = Number(userTotal ?? 0)
if (workspaceFlush === 0 && userFlush === 0) return null
return { workspaceCost: workspaceFlush, userCost: userFlush }
}
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