アプリのアナリティクス

const stripe = require('stripe')('sk_live_xxxxx');

// Create a report run for app installs
const reportRun = await stripe.reporting.reportRuns.create({
  report_type: 'app.installs.daily',
  parameters: {
    interval_start: Math.floor(new Date('2025-03-01').getTime() / 1000),
    interval_end: Math.floor(new Date('2025-03-31').getTime() / 1000),
    app_id: 'com.tajo.brevo-integration',
  },
});

// Poll for report completion
const checkReport = async (reportId) => {
  const report = await stripe.reporting.reportRuns.retrieve(reportId);

  if (report.status === 'succeeded') {
    // Download the report file
    const file = await stripe.files.retrieve(report.result.id);
    console.log('Report URL:', file.url);
    return file;
  }

  if (report.status === 'failed') {
    throw new Error('Report generation failed');
  }

  // Report still processing
  return null;
};

const express = require('express');
const stripe = require('stripe')('sk_live_xxxxx');

const app = express();

app.post('/webhooks/stripe-app', express.raw({ type: 'application/json' }), async (req, res) => {
  const sig = req.headers['stripe-signature'];
  const webhookSecret = process.env.STRIPE_APP_WEBHOOK_SECRET;

  let event;

  try {
    event = stripe.webhooks.constructEvent(req.body, sig, webhookSecret);
  } catch (err) {
    console.error('Webhook signature verification failed:', err.message);
    return res.status(400).send('Webhook signature verification failed');
  }

  switch (event.type) {
    case 'account.application.authorized': {
      const account = event.data.object;
      console.log('App installed by:', account.id);

      // Track in your analytics system
      await trackEvent('app_installed', {
        account_id: account.id,
        timestamp: new Date(event.created * 1000),
      });

      // Trigger onboarding email
      await sendOnboardingEmail(account.id);
      break;
    }

    case 'account.application.deauthorized': {
      const account = event.data.object;
      console.log('App uninstalled by:', account.id);

      // Track churn
      await trackEvent('app_uninstalled', {
        account_id: account.id,
        timestamp: new Date(event.created * 1000),
      });

      // Clean up account data
      await cleanupAccountData(account.id);
      break;
    }

    default:
      console.log('Unhandled event type:', event.type);
  }

  res.json({ received: true });
});

const stripe = require('stripe')('sk_live_xxxxx');

// List all connected accounts with your app installed
const getInstalledAccounts = async () => {
  const accounts = [];
  let hasMore = true;
  let startingAfter = null;

  while (hasMore) {
    const params = { limit: 100 };
    if (startingAfter) {
      params.starting_after = startingAfter;
    }

    const response = await stripe.accounts.list(params);

    for (const account of response.data) {
      // Check if your app is installed on this account
      if (account.settings?.apps?.includes('com.tajo.brevo-integration')) {
        accounts.push({
          id: account.id,
          email: account.email,
          created: account.created,
        });
      }
    }

    hasMore = response.has_more;
    if (response.data.length > 0) {
      startingAfter = response.data[response.data.length - 1].id;
    }
  }

  return accounts;
};

// Aggregate analytics for reporting
const getAppAnalytics = async (startDate, endDate) => {
  const [stripeInstalls, brevoSyncStats, activationData] = await Promise.all([
    // Stripe install data
    getStripeInstallReport(startDate, endDate),
    // Brevo sync metrics from Tajo
    getBrevoSyncMetrics(startDate, endDate),
    // Activation funnel from your database
    getActivationFunnel(startDate, endDate),
  ]);

  return {
    // Acquisition
    totalInstalls: stripeInstalls.installs,
    totalUninstalls: stripeInstalls.uninstalls,
    netInstalls: stripeInstalls.installs - stripeInstalls.uninstalls,
    listingConversionRate: stripeInstalls.conversionRate,

    // Activation
    onboardingCompleted: activationData.completedOnboarding,
    brevoConnected: activationData.connectedBrevo,
    firstSyncCompleted: activationData.firstSyncCompleted,
    activationRate: activationData.completedOnboarding / stripeInstalls.installs,

    // Engagement
    totalCustomersSynced: brevoSyncStats.totalCustomers,
    totalEventsSynced: brevoSyncStats.totalEvents,
    averageSyncFrequency: brevoSyncStats.avgSyncPerDay,

    // Retention
    churnRate: stripeInstalls.uninstalls / stripeInstalls.totalActive,
    monthlyGrowthRate: stripeInstalls.momGrowth,
  };
};