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refactor(gateway): return inserted usage row id and timestamp from logMicrodollarUsage #3336

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Merged
markijbema merged 2 commits into from
May 19, 2026
Merged

refactor(gateway): return inserted usage row id and timestamp from logMicrodollarUsage #3336

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a19c074
refactor(gateway): return inserted usage row id and timestamp
May 19, 2026
0fcea99
fix(gateway): return null from logMicrodollarUsage when insert fails
May 19, 2026
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18 changes: 12 additions & 6 deletions apps/web/src/lib/ai-gateway/processUsage.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -245,25 +245,30 @@ export function toInsertableDbUsageRecord(
export async function logMicrodollarUsage(
usageStats: MicrodollarUsageStats,
usageContext: MicrodollarUsageContext
) {
): Promise<{ usageId: string; createdAt: string } | null> {
usageContext.status_code = usageStats.status_code;
const contextInfo = extractUsageContextInfo(usageContext);
const { core, metadata } = toInsertableDbUsageRecord(usageStats, contextInfo);

await saveUsageRelatedData(
const inserted = await saveUsageRelatedData(
core,
metadata,
usageContext.prior_microdollar_usage,
usageContext.posthog_distinct_id ?? null
);

// `insertUsageRecord` swallows DB errors and returns null; surface that
// failure to callers so dependent FK writes don't dangle on a row that
// was never persisted.
return inserted ? { usageId: core.id, createdAt: core.created_at } : null;
}

async function saveUsageRelatedData(
coreUsageFields: MicrodollarUsage,
metadataFields: UsageMetaData,
prior_microdollar_usage: number,
posthog_distinct_id: string | null
) {
): Promise<BalanceUpdateResult> {
const isFirst = await isFirstUsage(coreUsageFields, prior_microdollar_usage);
if (isFirst && posthog_distinct_id)
await sendFirstUsageEvent(coreUsageFields, posthog_distinct_id);
Expand All @@ -277,6 +282,7 @@ async function saveUsageRelatedData(
);
}
await ingestOrganizationTokenUsage(coreUsageFields);
return balanceUpdateResult;
}

async function isFirstUsage(
Expand Down Expand Up @@ -909,14 +915,14 @@ export function calculateKiloExclusiveCost_mUsd(
export async function processTokenData(
usageStats: MicrodollarUsageStats | null,
usageContext: MicrodollarUsageContext
) {
): Promise<{ usageId: string; createdAt: string } | null> {
if (!usageStats) {
captureMessage('SUSPICIOUS: No usage information', {
level: 'error',
tags: { source: 'usage_processing' },
extra: { usageContext },
});
return;
return null;
}

const timer = createTimer();
Expand Down Expand Up @@ -987,7 +993,7 @@ export async function processTokenData(
usageStats.cacheDiscount_mUsd = 0;
}

await logMicrodollarUsage(usageStats, usageContext);
return logMicrodollarUsage(usageStats, usageContext);
}

function useAnthropicStyleTokenCounting(requestedModel: string, provider: ProviderId) {
Expand Down