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accounted/app/api/extensions/cloud-backup/auto-sync/cron/route.ts
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367 lines
13 KiB
TypeScript

import { createServiceRoleClient } from '@/lib/supabase/service-client'
import { NextResponse } from 'next/server'
import { withCronContext } from '@/lib/api/with-cron-context'
import { errorResponse, errorResponseFromCode } from '@/lib/errors/get-structured-error'
import { getErrorMessage } from '@/lib/errors/get-error-message'
import { performSync, saveExtensionData } from '@/extensions/general/cloud-backup/lib/sync'
import { isScheduleDue } from '@/extensions/general/cloud-backup/lib/schedule'
import { CLOUD_PROVIDERS } from '@/extensions/general/cloud-backup/lib/provider-registry'
import {
sendBackupFailureAlert,
shouldSendBackupAlert,
type BackupAlertKind,
} from '@/extensions/general/cloud-backup/lib/backup-alert'
import type { CloudStorageProvider } from '@/extensions/general/cloud-backup/lib/cloud-provider'
import type {
CloudConnection,
CloudSchedule,
} from '@/extensions/general/cloud-backup/types'
/**
* GET /api/extensions/cloud-backup/auto-sync/cron
*
* Runs hourly. Finds every (company, provider) pair whose auto-sync is due
* (daily slot has passed and no attempt has run since it: see `isScheduleDue`)
* and triggers a full backup for each via the shared `performSync()` helper.
* Pairs left over when a run hits its time budget stay due and are picked up
* by the next hourly run instead of losing the day.
*
* Providers are scheduled independently: a company can back up to Google Drive
* nightly and to Dropbox weekly, and a Dropbox failure never marks the Drive
* backup unhealthy. Each provider keeps its own schedule record, failure
* counter and alert throttle.
*
* Failures increment `consecutive_failures` on that provider's schedule; alert
* emails go out on dead tokens (once per incident) and repeated failures
* (threshold in `backup-alert.ts`), throttled per company and provider.
*
* Uses the service role client: no user session, no RLS. Each row in
* `extension_data` carries its own `user_id` (the user who configured the
* schedule), which we use as the "actor" when writing back the sync result.
*/
export const GET = withCronContext('cron.cloud_backup_auto_sync', async (_request, ctx) => {
const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL
const supabaseServiceKey = process.env.SUPABASE_SERVICE_ROLE_KEY
if (!supabaseUrl || !supabaseServiceKey) {
return errorResponseFromCode('INTERNAL_ERROR', ctx.log, {
requestId: ctx.requestId,
details: { reason: 'Missing Supabase configuration' },
})
}
const supabase = createServiceRoleClient(supabaseUrl, supabaseServiceKey)
const now = new Date()
const origin = process.env.NEXT_PUBLIC_APP_URL || 'http://localhost:3000'
// Every provider's schedules are fetched, but only providers this deployment
// has credentials for are run: without them every sync would fail on the
// token refresh and burn the failure counter. Schedules belonging to an
// unconfigured provider are counted and logged rather than dropped silently,
// because that is a deployment mistake someone needs to see.
const providerByScheduleKey = new Map<string, CloudStorageProvider>(
CLOUD_PROVIDERS.map((p) => [p.keys.schedule, p])
)
const { data: rows, error } = await supabase
.from('extension_data')
.select('company_id, user_id, key, value')
.eq('extension_id', 'cloud-backup')
.in('key', [...providerByScheduleKey.keys()])
if (error) {
ctx.log.error('failed to fetch schedules', error, {
message: error.message,
code: error.code,
})
return errorResponse(error, ctx.log, { requestId: ctx.requestId })
}
if (!rows || rows.length === 0) {
return NextResponse.json({ message: 'No schedules configured', processed: 0 })
}
interface Candidate {
companyId: string
userId: string
provider: CloudStorageProvider
schedule: CloudSchedule
}
const candidates: Candidate[] = []
const unconfigured = new Map<string, number>()
for (const row of rows) {
const provider = providerByScheduleKey.get(row.key as string)
if (!provider) continue
const schedule = row.value as CloudSchedule | null
if (!isScheduleDue(schedule, now)) continue
if (!provider.isConfigured()) {
unconfigured.set(provider.id, (unconfigured.get(provider.id) ?? 0) + 1)
continue
}
candidates.push({
companyId: row.company_id as string,
userId: row.user_id as string,
provider,
schedule: schedule as CloudSchedule,
})
}
if (unconfigured.size > 0) {
// Companies are expecting a backup that this deployment cannot perform.
ctx.log.error(
'due backups skipped: provider has no OAuth credentials in this environment',
undefined,
{ skipped: Object.fromEntries(unconfigured) }
)
}
if (candidates.length === 0) {
return NextResponse.json({
message: 'No companies due this hour',
checked: rows.length,
processed: 0,
})
}
// Connections flagged needs_reauth carry a permanently dead refresh token
// (the provider returned 400 invalid_grant): skip them instead of retrying
// every night. They stay visible in the UI until the user reconnects.
const connectionKeys = [
...new Set(candidates.map((c) => c.provider.keys.connection)),
]
const { data: connectionRows, error: connectionError } = await supabase
.from('extension_data')
.select('company_id, key, value')
.eq('extension_id', 'cloud-backup')
.in('key', connectionKeys)
.in('company_id', [...new Set(candidates.map((c) => c.companyId))])
if (connectionError) {
// Fail open: without connection data we cannot tell who needs reauth,
// so fall back to attempting everyone (performSync re-flags dead tokens).
ctx.log.warn('failed to fetch connections for reauth check', {
message: connectionError.message,
})
}
// Keyed by company + connection key: one company can hold a healthy Drive
// connection and a dead Dropbox one at the same time.
const connectionByCompanyAndKey = new Map<string, CloudConnection>()
for (const r of connectionRows ?? []) {
const value = r.value as CloudConnection | null
if (value) connectionByCompanyAndKey.set(`${r.company_id}:${r.key}`, value)
}
const startTime = Date.now()
const TIME_BUDGET_MS = 250_000 // 4m10s: leaves 50s margin below Vercel's 300s Pro limit
const results: {
companyId: string
provider: string
status: 'success' | 'error' | 'skipped'
error?: string
}[] = []
/**
* Send a failure alert if warranted and return the new last_alert_at.
* Best-effort: alert failures are logged inside sendBackupFailureAlert.
*/
const maybeAlert = async (params: {
companyId: string
userId: string
providerLabel: string
kind: BackupAlertKind
consecutiveFailures: number
errorMessage: string | null
lastAlertAt: string | null | undefined
}): Promise<string | null> => {
const prior = params.lastAlertAt ?? null
if (
!shouldSendBackupAlert({
kind: params.kind,
consecutiveFailures: params.consecutiveFailures,
lastAlertAt: prior,
now: new Date(),
})
) {
return prior
}
const sent = await sendBackupFailureAlert(supabase, {
companyId: params.companyId,
userId: params.userId,
providerLabel: params.providerLabel,
kind: params.kind,
consecutiveFailures: params.consecutiveFailures,
errorMessage: params.errorMessage,
origin,
})
return sent.sent ? new Date().toISOString() : prior
}
for (const candidate of candidates) {
if (Date.now() - startTime > TIME_BUDGET_MS) {
ctx.log.info('time budget reached', {
processedSoFar: results.length,
skipped: candidates.length - results.length,
})
break
}
const { companyId, userId, provider, schedule } = candidate
const scheduleKey = provider.keys.schedule
const connection = connectionByCompanyAndKey.get(
`${companyId}:${provider.keys.connection}`
)
if (connection?.status === 'needs_reauth') {
// Do not touch last_auto_sync_* here: the schedule keeps showing the
// failure from the night the dead token was detected. But make sure the
// incident has been alerted once: a token can go dead via a manual sync
// (which never emails) and would otherwise stay silent forever.
const alertedSinceIncident =
schedule.last_alert_at &&
connection.needs_reauth_at &&
new Date(schedule.last_alert_at).getTime() >=
new Date(connection.needs_reauth_at).getTime()
if (!alertedSinceIncident) {
const lastAlertAt = await maybeAlert({
companyId,
userId,
providerLabel: provider.label,
kind: 'needs_reauth',
consecutiveFailures: schedule.consecutive_failures ?? 0,
errorMessage: null,
lastAlertAt: schedule.last_alert_at,
})
if (lastAlertAt !== (schedule.last_alert_at ?? null)) {
await saveExtensionData(supabase, companyId, userId, scheduleKey, {
...schedule,
last_alert_at: lastAlertAt,
}).catch((persistErr) => {
ctx.log.error('failed to persist alert state', persistErr as Error, {
companyId,
provider: provider.id,
})
})
}
}
results.push({
companyId,
provider: provider.id,
status: 'skipped',
error: 'needs_reauth',
})
continue
}
try {
const syncResult = await performSync({
supabase,
companyId,
userId,
origin,
includeDocuments: true,
allowDocumentFallback: true,
provider,
})
const consecutiveFailures = syncResult.ok
? 0
: (schedule.consecutive_failures ?? 0) + 1
const safeSyncError = syncResult.ok ? null : getErrorMessage(syncResult.message)
let lastAlertAt = schedule.last_alert_at ?? null
if (!syncResult.ok) {
lastAlertAt = await maybeAlert({
companyId,
userId,
providerLabel: provider.label,
kind: syncResult.reason === 'needs_reauth' ? 'needs_reauth' : 'repeated_failures',
consecutiveFailures,
errorMessage: safeSyncError,
lastAlertAt,
})
}
const updated: CloudSchedule = {
...schedule,
last_auto_sync_at: new Date().toISOString(),
last_auto_sync_status: syncResult.ok ? 'success' : 'error',
last_auto_sync_error: safeSyncError,
consecutive_failures: consecutiveFailures,
last_alert_at: lastAlertAt,
}
await saveExtensionData(supabase, companyId, userId, scheduleKey, updated)
results.push({
companyId,
provider: provider.id,
status: syncResult.ok ? 'success' : 'error',
error: safeSyncError ?? undefined,
})
} catch (err) {
const safeMessage = getErrorMessage(err)
ctx.log.error('cloud backup sync failed for company', err as Error, {
companyId,
provider: provider.id,
})
const consecutiveFailures = (schedule.consecutive_failures ?? 0) + 1
const lastAlertAt = await maybeAlert({
companyId,
userId,
providerLabel: provider.label,
kind: 'repeated_failures',
consecutiveFailures,
errorMessage: safeMessage.slice(0, 200),
lastAlertAt: schedule.last_alert_at,
})
const updated: CloudSchedule = {
...schedule,
last_auto_sync_at: new Date().toISOString(),
last_auto_sync_status: 'error',
last_auto_sync_error: safeMessage.slice(0, 200),
consecutive_failures: consecutiveFailures,
last_alert_at: lastAlertAt,
}
await saveExtensionData(supabase, companyId, userId, scheduleKey, updated).catch(
(persistErr) => {
ctx.log.error('failed to persist failure state', persistErr as Error, {
companyId,
provider: provider.id,
})
},
)
results.push({
companyId,
provider: provider.id,
status: 'error',
error: safeMessage,
})
}
}
const successCount = results.filter((r) => r.status === 'success').length
const errorCount = results.filter((r) => r.status === 'error').length
const skippedCount = results.filter((r) => r.status === 'skipped').length
ctx.log.info('cloud backup cron summary', {
processed: results.length,
succeeded: successCount,
failed: errorCount,
skipped: skippedCount,
})
return NextResponse.json({
checked: rows.length,
candidates: candidates.length,
processed: results.length,
successes: successCount,
errors: errorCount,
skipped: skippedCount,
results,
})
})