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BUG-046 (CRITICAL): getUsageStats() now accepts apiKey param and returns only that key usage instead of all users. Route passes req.apiKeyInfo.key. BUG-047: Added visible Copy button to Pro key success page in billing.ts. BUG-048: Added class="open-email-change" to Change Email links in all HTML pages so the JS modal opener can find them.
78 lines
2.6 KiB
JavaScript
78 lines
2.6 KiB
JavaScript
import { isProKey } from "../services/keys.js";
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import logger from "../services/logger.js";
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import pool from "../services/db.js";
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const FREE_TIER_LIMIT = 100;
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// In-memory cache, periodically synced to PostgreSQL
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let usage = new Map();
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function getMonthKey() {
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const d = new Date();
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return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, "0")}`;
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}
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export async function loadUsageData() {
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try {
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const result = await pool.query("SELECT key, count, month_key FROM usage");
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usage = new Map();
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for (const row of result.rows) {
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usage.set(row.key, { count: row.count, monthKey: row.month_key });
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}
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logger.info(`Loaded usage data for ${usage.size} keys from PostgreSQL`);
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}
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catch (error) {
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logger.info("No existing usage data found, starting fresh");
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usage = new Map();
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}
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}
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async function saveUsageEntry(key, record) {
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try {
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await pool.query(`INSERT INTO usage (key, count, month_key) VALUES ($1, $2, $3)
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ON CONFLICT (key) DO UPDATE SET count = $2, month_key = $3`, [key, record.count, record.monthKey]);
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}
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catch (error) {
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logger.error({ err: error }, "Failed to save usage data");
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}
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}
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export function usageMiddleware(req, res, next) {
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const keyInfo = req.apiKeyInfo;
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const key = keyInfo?.key || "unknown";
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const monthKey = getMonthKey();
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if (isProKey(key)) {
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trackUsage(key, monthKey);
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next();
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return;
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}
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const record = usage.get(key);
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if (record && record.monthKey === monthKey && record.count >= FREE_TIER_LIMIT) {
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res.status(429).json({
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error: "Free tier limit reached",
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limit: FREE_TIER_LIMIT,
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used: record.count,
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upgrade: "Upgrade to Pro for unlimited conversions: https://docfast.dev/pricing",
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});
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return;
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}
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trackUsage(key, monthKey);
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next();
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}
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function trackUsage(key, monthKey) {
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const record = usage.get(key);
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if (!record || record.monthKey !== monthKey) {
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const newRecord = { count: 1, monthKey };
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usage.set(key, newRecord);
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saveUsageEntry(key, newRecord).catch((err) => logger.error({ err }, "Failed to save usage entry"));
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}
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else {
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record.count++;
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saveUsageEntry(key, record).catch((err) => logger.error({ err }, "Failed to save usage entry"));
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}
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}
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export function getUsageStats(apiKey) {
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const stats = {};
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if (apiKey) {
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const record = usage.get(apiKey);
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if (record) {
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const masked = apiKey.slice(0, 8) + "...";
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stats[masked] = { count: record.count, month: record.monthKey };
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}
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}
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return stats;
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}
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