GET /api/v1/analytics/campaign

curl -X GET "https://api.xem.email/api/v1/analytics/campaign?campaignId=campaign_123" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN"

const response = await fetch(
  'https://api.xem.email/api/v1/analytics/campaign?campaignId=campaign_123',
  {
    headers: {
      'Authorization': 'Bearer YOUR_ACCESS_TOKEN'
    }
  }
);

const analytics = await response.json();

import requests

response = requests.get(
    'https://api.xem.email/api/v1/analytics/campaign',
    params={'campaignId': 'campaign_123'},
    headers={'Authorization': 'Bearer YOUR_ACCESS_TOKEN'}
)

analytics = response.json()

{
  "openCount": 1250,
  "openRate": 0.25,
  "uniqueOpens": 1200,
  "repeatOpens": 50,
  "clickCount": 312,
  "clickRate": 0.0624,
  "uniqueClicks": 300,
  "repeatClicks": 12,
  "bounceCount": 25,
  "complaintCount": 2,
  "engagementScore": 0.85,
  "industryAvgOpenRate": 0.22,
  "industryAvgClickRate": 0.05,
  "firstOpenTime": 3600000000,
  "averageReadTime": 1800000000,
  "timelineData": [
    {
      "timestamp": "2024-01-01T10:00:00Z",
      "eventType": "open",
      "count": 45,
      "uniqueCount": 42,
      "country": "US",
      "city": "New York",
      "deviceType": "desktop",
      "browser": "Chrome"
    }
  ],
  "geoBreakdown": {
    "US": 800,
    "CA": 200,
    "UK": 150,
    "AU": 100
  },
  "deviceBreakdown": {
    "desktop": 750,
    "mobile": 400,
    "tablet": 100
  },
  "browserBreakdown": {
    "Chrome": 600,
    "Safari": 300,
    "Firefox": 200,
    "Edge": 150
  },
  "osBreakdown": {
    "Windows": 500,
    "macOS": 400,
    "iOS": 200,
    "Android": 150
  },
  "cityBreakdown": {
    "New York": 150,
    "Los Angeles": 120,
    "Toronto": 80,
    "London": 70
  },
  "regionBreakdown": {
    "North America": 1000,
    "Europe": 200,
    "Asia": 50
  },
  "hourlyBreakdown": {
    "9": 200,
    "10": 300,
    "11": 250,
    "12": 150
  },
  "dayOfWeekBreakdown": {
    "Monday": 300,
    "Tuesday": 250,
    "Wednesday": 200,
    "Thursday": 150,
    "Friday": 100
  },
  "clickedLinks": [
    {
      "url": "https://example.com/product",
      "clickCount": 150,
      "uniqueClicks": 145,
      "clickRate": 0.03,
      "averageTimeToClick": 3000000000,
      "firstClickTime": "2024-01-01T10:15:00Z",
      "lastClickTime": "2024-01-01T18:30:00Z",
      "deviceBreakdown": {
        "desktop": 100,
        "mobile": 45
      }
    }
  ]
}

{
  "error": "validation_error",
  "message": "Campaign not found",
  "code": "CAMPAIGN_NOT_FOUND"
}

{
  "error": "validation_error",
  "message": "Campaign ID is required",
  "code": "MISSING_CAMPAIGN_ID"
}

{
  "error": "forbidden",
  "message": "Insufficient permissions to access this campaign",
  "code": "INSUFFICIENT_PERMISSIONS"
}

function calculateMetrics(analytics) {
  const {
    openCount,
    clickCount,
    bounceCount,
    complaintCount,
    timelineData
  } = analytics;

  // Calculate delivery rate
  const totalSent = timelineData.reduce((sum, event) => sum + event.count, 0);
  const deliveryRate = ((totalSent - bounceCount) / totalSent) * 100;

  // Calculate engagement rate
  const engagementRate = ((openCount + clickCount) / totalSent) * 100;

  // Calculate spam score
  const spamScore = (complaintCount / totalSent) * 1000;

  return {
    deliveryRate: deliveryRate.toFixed(2) + '%',
    engagementRate: engagementRate.toFixed(2) + '%',
    spamScore: spamScore.toFixed(2)
  };
}

function createCharts(analytics) {
  // Geographic chart
  const geoData = Object.entries(analytics.geoBreakdown).map(([country, count]) => ({
    country,
    opens: count
  }));

  // Device breakdown chart
  const deviceData = Object.entries(analytics.deviceBreakdown).map(([device, count]) => ({
    device,
    opens: count
  }));

  // Timeline chart
  const timelineData = analytics.timelineData.map(event => ({
    time: new Date(event.timestamp),
    opens: event.count,
    clicks: event.eventType === 'click' ? event.count : 0
  }));

  return { geoData, deviceData, timelineData };
}

function monitorPerformance(analytics) {
  const {
    openRate,
    clickRate,
    industryAvgOpenRate,
    industryAvgClickRate,
    engagementScore
  } = analytics;

  const alerts = [];

  // Check if performance is below industry average
  if (openRate < industryAvgOpenRate * 0.8) {
    alerts.push('Open rate is significantly below industry average');
  }

  if (clickRate < industryAvgClickRate * 0.8) {
    alerts.push('Click rate is significantly below industry average');
  }

  // Check engagement score
  if (engagementScore < 0.5) {
    alerts.push('Low engagement score detected');
  }

  return alerts;
}

async function pollAnalytics(campaignId, interval = 30000) {
  const poll = async () => {
    try {
      const response = await fetch(
        `/api/v1/analytics/campaign?campaignId=${campaignId}`,
        {
          headers: { 'Authorization': `Bearer ${token}` }
        }
      );
      
      if (response.ok) {
        const analytics = await response.json();
        updateDashboard(analytics);
      }
    } catch (error) {
      console.error('Analytics polling error:', error);
    }
  };

  // Poll immediately
  await poll();
  
  // Then poll at intervals
  setInterval(poll, interval);
}

// Set up webhook to receive real-time analytics updates
app.post('/webhook/analytics', (req, res) => {
  const { campaignId, eventType, data } = req.body;
  
  if (eventType === 'email_opened' || eventType === 'email_clicked') {
    updateAnalyticsInRealTime(campaignId, data);
  }
  
  res.status(200).send('OK');
});