Files
openchamber/packages/vscode/src/exeDevQuota.ts
T

68 lines
2.6 KiB
TypeScript

type ExeDevUsageWindow = {
usedPercent: number | null;
remainingPercent: number | null;
windowSeconds: null;
resetAfterSeconds: number | null;
resetAt: number;
resetAtFormatted: string;
resetAfterFormatted: string | null;
valueLabel: string;
};
type ExeDevUsagePayload = {
total_cost_usd?: number | null;
monthly_allowance_usd?: number | null;
period_end?: string | null;
};
const EXEC_URL = 'https://exe.dev/exec';
const USAGE_COMMAND = 'billing credits usage --group=day --json';
const numberValue = (value: number | null | undefined) => {
if (value === null || value === undefined || !Number.isFinite(value)) return null;
return value;
};
export const parseExeDevUsage = (payload: ExeDevUsagePayload | null): Record<string, ExeDevUsageWindow> | null => {
if (!payload) return null;
const totalCost = numberValue(payload.total_cost_usd);
const monthlyAllowance = numberValue(payload.monthly_allowance_usd);
const resetAt = payload.period_end ? Date.parse(payload.period_end) : Number.NaN;
if (totalCost === null || monthlyAllowance === null || monthlyAllowance < 0 || !Number.isFinite(resetAt)) return null;
const usedPercent = monthlyAllowance > 0 ? Math.min(100, Math.max(0, (totalCost / monthlyAllowance) * 100)) : null;
const remainingPercent = usedPercent === null ? null : Math.max(0, 100 - usedPercent);
const resetAfterSeconds = Math.max(0, Math.floor((resetAt - Date.now()) / 1000));
return {
monthly: {
usedPercent,
remainingPercent,
windowSeconds: null,
resetAfterSeconds,
resetAt,
resetAtFormatted: new Date(resetAt).toLocaleString(),
resetAfterFormatted: null,
valueLabel: `$${totalCost.toFixed(2)} / $${monthlyAllowance.toFixed(2)}`,
},
};
};
export const fetchExeDevUsage = async (usageToken: string, fetchImpl: typeof fetch = fetch) => {
const response = await fetchImpl(EXEC_URL, {
method: 'POST',
headers: {
Accept: 'application/json',
Authorization: `Bearer ${usageToken}`,
'Content-Type': 'text/plain',
'User-Agent': 'OpenChamber quota provider',
},
body: USAGE_COMMAND,
signal: AbortSignal.timeout(15_000),
});
if (response.status === 401 || response.status === 403) throw new Error('exe.dev authentication failed');
if (!response.ok) throw new Error(`exe.dev usage API returned HTTP ${response.status}`);
const payload: ExeDevUsagePayload | null = await response.text().then((text) => JSON.parse(text)).catch(() => null);
const windows = parseExeDevUsage(payload);
if (!windows) throw new Error('exe.dev usage data could not be parsed');
return windows;
};