Move dashboard server into project

inventory-server/dashboard/klaviyo-server/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "klaviyo-server",
+  "version": "1.0.0",
+  "description": "Klaviyo API integration server",
+  "main": "server.js",
+  "type": "module",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "dotenv": "^16.4.7",
+    "esm": "^3.2.25",
+    "express": "^4.18.2",
+    "express-rate-limit": "^7.5.0",
+    "ioredis": "^5.4.1",
+    "luxon": "^3.5.0",
+    "node-fetch": "^3.3.2",
+    "recharts": "^2.15.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.2"
+  }
+}

inventory-server/dashboard/klaviyo-server/routes/campaigns.routes.js

@@ -0,0 +1,71 @@
+import express from 'express';
+import { CampaignsService } from '../services/campaigns.service.js';
+import { TimeManager } from '../utils/time.utils.js';
+
+export function createCampaignsRouter(apiKey, apiRevision) {
+  const router = express.Router();
+  const timeManager = new TimeManager();
+  const campaignsService = new CampaignsService(apiKey, apiRevision);
+
+  // Get campaigns with optional filtering
+  router.get('/', async (req, res) => {
+    try {
+      const params = {
+        pageSize: parseInt(req.query.pageSize) || 50,
+        sort: req.query.sort || '-send_time',
+        status: req.query.status,
+        startDate: req.query.startDate,
+        endDate: req.query.endDate,
+        pageCursor: req.query.pageCursor
+      };
+
+      console.log('[Campaigns Route] Fetching campaigns with params:', params);
+      const data = await campaignsService.getCampaigns(params);
+      console.log('[Campaigns Route] Success:', {
+        count: data.data?.length || 0
+      });
+      res.json(data);
+    } catch (error) {
+      console.error('[Campaigns Route] Error:', error);
+      res.status(500).json({ 
+        status: 'error', 
+        message: error.message,
+        details: error.response?.data || null
+      });
+    }
+  });
+
+  // Get campaigns by time range
+  router.get('/:timeRange', async (req, res) => {
+    try {
+      const { timeRange } = req.params;
+      const { status } = req.query;
+
+      let result;
+      if (timeRange === 'custom') {
+        const { startDate, endDate } = req.query;
+        if (!startDate || !endDate) {
+          return res.status(400).json({ error: 'Custom range requires startDate and endDate' });
+        }
+
+        result = await campaignsService.getCampaigns({
+          startDate,
+          endDate,
+          status
+        });
+      } else {
+        result = await campaignsService.getCampaignsByTimeRange(
+          timeRange,
+          { status }
+        );
+      }
+
+      res.json(result);
+    } catch (error) {
+      console.error("[Campaigns Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  return router;
+} 

inventory-server/dashboard/klaviyo-server/routes/events.routes.js

@@ -0,0 +1,480 @@
+import express from 'express';
+import { EventsService } from '../services/events.service.js';
+import { TimeManager } from '../utils/time.utils.js';
+import { RedisService } from '../services/redis.service.js';
+
+// Import METRIC_IDS from events service
+const METRIC_IDS = {
+  PLACED_ORDER: 'Y8cqcF',
+  SHIPPED_ORDER: 'VExpdL',
+  ACCOUNT_CREATED: 'TeeypV',
+  CANCELED_ORDER: 'YjVMNg',
+  NEW_BLOG_POST: 'YcxeDr',
+  PAYMENT_REFUNDED: 'R7XUYh'
+};
+
+export function createEventsRouter(apiKey, apiRevision) {
+  const router = express.Router();
+  const timeManager = new TimeManager();
+  const eventsService = new EventsService(apiKey, apiRevision);
+  const redisService = new RedisService();
+
+  // Get events with optional filtering
+  router.get('/', async (req, res) => {
+    try {
+      const params = {
+        pageSize: parseInt(req.query.pageSize) || 50,
+        sort: req.query.sort || '-datetime',
+        metricId: req.query.metricId,
+        startDate: req.query.startDate,
+        endDate: req.query.endDate,
+        pageCursor: req.query.pageCursor,
+        fields: {}
+      };
+
+      // Parse fields parameter if provided
+      if (req.query.fields) {
+        try {
+          params.fields = JSON.parse(req.query.fields);
+        } catch (e) {
+          console.warn('[Events Route] Invalid fields parameter:', e);
+        }
+      }
+
+      console.log('[Events Route] Fetching events with params:', params);
+      const data = await eventsService.getEvents(params);
+      console.log('[Events Route] Success:', {
+        count: data.data?.length || 0,
+        included: data.included?.length || 0
+      });
+      res.json(data);
+    } catch (error) {
+      console.error('[Events Route] Error:', error);
+      res.status(500).json({ 
+        status: 'error', 
+        message: error.message,
+        details: error.response?.data || null
+      });
+    }
+  });
+
+  // Get events by time range
+  router.get('/by-time/:timeRange', async (req, res) => {
+    try {
+      const { timeRange } = req.params;
+      const { metricId, startDate, endDate } = req.query;
+
+      let result;
+      if (timeRange === 'custom') {
+        if (!startDate || !endDate) {
+          return res.status(400).json({ error: 'Custom range requires startDate and endDate' });
+        }
+
+        const range = timeManager.getCustomRange(startDate, endDate);
+        if (!range) {
+          return res.status(400).json({ error: 'Invalid date range' });
+        }
+
+        result = await eventsService.getEvents({
+          metricId,
+          startDate: range.start.toISO(),
+          endDate: range.end.toISO()
+        });
+      } else {
+        result = await eventsService.getEventsByTimeRange(
+          timeRange,
+          { metricId }
+        );
+      }
+
+      res.json(result);
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Get comprehensive statistics for a time period
+  router.get('/stats', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate } = req.query;
+      console.log('[Events Route] Stats request:', {
+        timeRange,
+        startDate,
+        endDate
+      });
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO()
+      };
+
+      console.log('[Events Route] Calculating period stats with params:', params);
+      const stats = await eventsService.calculatePeriodStats(params);
+      console.log('[Events Route] Stats response:', {
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO()
+        },
+        shippedCount: stats?.shipping?.shippedCount,
+        totalOrders: stats?.orderCount
+      });
+
+      res.json({
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO(),
+          displayStart: timeManager.formatForDisplay(range.start),
+          displayEnd: timeManager.formatForDisplay(range.end)
+        },
+        stats
+      });
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Add new route for smart revenue projection
+  router.get('/projection', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate } = req.query;
+      console.log('[Events Route] Projection request:', {
+        timeRange,
+        startDate,
+        endDate
+      });
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO()
+      };
+
+      // Try to get from cache first with a short TTL
+      const cacheKey = redisService._getCacheKey('projection', params);
+      const cachedData = await redisService.get(cacheKey);
+      
+      if (cachedData) {
+        console.log('[Events Route] Cache hit for projection');
+        return res.json(cachedData);
+      }
+
+      console.log('[Events Route] Calculating smart projection with params:', params);
+      const projection = await eventsService.calculateSmartProjection(params);
+      
+      // Cache the results with a short TTL (5 minutes)
+      await redisService.set(cacheKey, projection, 300);
+
+      res.json(projection);
+    } catch (error) {
+      console.error("[Events Route] Error calculating projection:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Add new route for detailed stats
+  router.get('/stats/details', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate, metric, daily = false } = req.query;
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO(),
+        metric,
+        daily: daily === 'true' || daily === true
+      };
+
+      // Try to get from cache first
+      const cacheKey = redisService._getCacheKey('stats:details', params);
+      const cachedData = await redisService.get(cacheKey);
+      
+      if (cachedData) {
+        console.log('[Events Route] Cache hit for detailed stats');
+        return res.json({
+          timeRange: {
+            start: range.start.toISO(),
+            end: range.end.toISO(),
+            displayStart: timeManager.formatForDisplay(range.start),
+            displayEnd: timeManager.formatForDisplay(range.end)
+          },
+          stats: cachedData
+        });
+      }
+
+      const stats = await eventsService.calculateDetailedStats(params);
+
+      // Cache the results
+      const ttl = redisService._getTTL(timeRange);
+      await redisService.set(cacheKey, stats, ttl);
+
+      res.json({
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO(),
+          displayStart: timeManager.formatForDisplay(range.start),
+          displayEnd: timeManager.formatForDisplay(range.end)
+        },
+        stats
+      });
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Get product statistics for a time period
+  router.get('/products', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate } = req.query;
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO()
+      };
+
+      // Try to get from cache first
+      const cacheKey = redisService._getCacheKey('events', params);
+      const cachedData = await redisService.getEventData('products', params);
+      
+      if (cachedData) {
+        console.log('[Events Route] Cache hit for products');
+        return res.json({
+          timeRange: {
+            start: range.start.toISO(),
+            end: range.end.toISO(),
+            displayStart: timeManager.formatForDisplay(range.start),
+            displayEnd: timeManager.formatForDisplay(range.end)
+          },
+          stats: {
+            products: cachedData
+          }
+        });
+      }
+
+      const stats = await eventsService.calculatePeriodStats(params);
+
+      res.json({
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO(),
+          displayStart: timeManager.formatForDisplay(range.start),
+          displayEnd: timeManager.formatForDisplay(range.end)
+        },
+        stats
+      });
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Get event feed (multiple event types sorted by time)
+  router.get('/feed', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate, metricIds } = req.query;
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO(),
+        metricIds: metricIds ? JSON.parse(metricIds) : null
+      };
+
+      const result = await eventsService.getMultiMetricEvents(params);
+
+      res.json({
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO(),
+          displayStart: timeManager.formatForDisplay(range.start),
+          displayEnd: timeManager.formatForDisplay(range.end)
+        },
+        ...result
+      });
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Get aggregated events data
+  router.get('/aggregate', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate, interval = 'day', metricId, property } = req.query;
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else if (timeRange) {
+        range = timeManager.getDateRange(timeRange);
+      } else {
+        return res.status(400).json({ error: 'Must provide either timeRange or startDate and endDate' });
+      }
+
+      if (!range) {
+        return res.status(400).json({ error: 'Invalid time range' });
+      }
+
+      const params = {
+        timeRange,
+        startDate: range.start.toISO(),
+        endDate: range.end.toISO(),
+        metricId,
+        interval,
+        property
+      };
+
+      const result = await eventsService.getEvents(params);
+      const groupedData = timeManager.groupEventsByInterval(result.data, interval, property);
+
+      res.json({
+        timeRange: {
+          start: range.start.toISO(),
+          end: range.end.toISO(),
+          displayStart: timeManager.formatForDisplay(range.start),
+          displayEnd: timeManager.formatForDisplay(range.end)
+        },
+        data: groupedData
+      });
+    } catch (error) {
+      console.error("[Events Route] Error:", error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  // Get date range for a given time period
+  router.get("/dateRange", async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate } = req.query;
+
+      let range;
+      if (startDate && endDate) {
+        range = timeManager.getCustomRange(startDate, endDate);
+      } else {
+        range = timeManager.getDateRange(timeRange || 'today');
+      }
+
+      if (!range) {
+        return res.status(400).json({ 
+          error: "Invalid time range parameters" 
+        });
+      }
+
+      res.json({
+        start: range.start.toISO(),
+        end: range.end.toISO(),
+        displayStart: timeManager.formatForDisplay(range.start),
+        displayEnd: timeManager.formatForDisplay(range.end)
+      });
+    } catch (error) {
+      console.error('Error getting date range:', error);
+      res.status(500).json({ 
+        error: "Failed to get date range" 
+      });
+    }
+  });
+
+  // Clear cache for a specific time range
+  router.post("/clearCache", async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate } = req.body;
+      await redisService.clearCache({ timeRange, startDate, endDate });
+      res.json({ message: "Cache cleared successfully" });
+    } catch (error) {
+      console.error('Error clearing cache:', error);
+      res.status(500).json({ error: "Failed to clear cache" });
+    }
+  });
+
+  // Add new batch metrics endpoint
+  router.get('/batch', async (req, res) => {
+    try {
+      const { timeRange, startDate, endDate, metrics } = req.query;
+      
+      // Parse metrics array from query
+      const metricsList = metrics ? JSON.parse(metrics) : [];
+      
+      const params = timeRange === 'custom'
+        ? { startDate, endDate, metrics: metricsList }
+        : { timeRange, metrics: metricsList };
+
+      const results = await eventsService.getBatchMetrics(params);
+      
+      res.json(results);
+    } catch (error) {
+      console.error('[Events Route] Error in batch request:', error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  return router;
+} 

inventory-server/dashboard/klaviyo-server/routes/index.js

@@ -0,0 +1,17 @@
+import express from 'express';
+import { createEventsRouter } from './events.routes.js';
+import { createMetricsRoutes } from './metrics.routes.js';
+import { createCampaignsRouter } from './campaigns.routes.js';
+import { createReportingRouter } from './reporting.routes.js';
+
+export function createApiRouter(apiKey, apiRevision) {
+  const router = express.Router();
+
+  // Mount routers
+  router.use('/events', createEventsRouter(apiKey, apiRevision));
+  router.use('/metrics', createMetricsRoutes(apiKey, apiRevision));
+  router.use('/campaigns', createCampaignsRouter(apiKey, apiRevision));
+  router.use('/reporting', createReportingRouter(apiKey, apiRevision));
+
+  return router;
+} 

inventory-server/dashboard/klaviyo-server/routes/metrics.routes.js

@@ -0,0 +1,29 @@
+import express from 'express';
+import { MetricsService } from '../services/metrics.service.js';
+
+const router = express.Router();
+
+export function createMetricsRoutes(apiKey, apiRevision) {
+  const metricsService = new MetricsService(apiKey, apiRevision);
+
+  // Get all metrics
+  router.get('/', async (req, res) => {
+    try {
+      console.log('[Metrics Route] Fetching metrics');
+      const data = await metricsService.getMetrics();
+      console.log('[Metrics Route] Success:', {
+        count: data.data?.length || 0
+      });
+      res.json(data);
+    } catch (error) {
+      console.error('[Metrics Route] Error:', error);
+      res.status(500).json({ 
+        status: 'error', 
+        message: error.message,
+        details: error.response?.data || null
+      });
+    }
+  });
+
+  return router;
+} 

inventory-server/dashboard/klaviyo-server/routes/reporting.routes.js

@@ -0,0 +1,29 @@
+import express from 'express';
+import { ReportingService } from '../services/reporting.service.js';
+import { TimeManager } from '../utils/time.utils.js';
+
+export function createReportingRouter(apiKey, apiRevision) {
+  const router = express.Router();
+  const reportingService = new ReportingService(apiKey, apiRevision);
+  const timeManager = new TimeManager();
+
+  // Get campaign reports by time range
+  router.get('/campaigns/:timeRange', async (req, res) => {
+    try {
+      const { timeRange } = req.params;
+      const { channel } = req.query;
+      
+      const reports = await reportingService.getCampaignReports({
+        timeRange,
+        channel
+      });
+
+      res.json(reports);
+    } catch (error) {
+      console.error('[ReportingRoutes] Error fetching campaign reports:', error);
+      res.status(500).json({ error: error.message });
+    }
+  });
+
+  return router;
+} 

inventory-server/dashboard/klaviyo-server/server.js

@@ -0,0 +1,78 @@
+import express from 'express';
+import cors from 'cors';
+import dotenv from 'dotenv';
+import rateLimit from 'express-rate-limit';
+import { createApiRouter } from './routes/index.js';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+// Get directory name in ES modules
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// Load environment variables
+const envPath = path.resolve(__dirname, '.env');
+console.log('[Server] Loading .env file from:', envPath);
+dotenv.config({ path: envPath });
+
+// Debug environment variables (without exposing sensitive data)
+console.log('[Server] Environment variables loaded:', {
+  REDIS_HOST: process.env.REDIS_HOST || '(not set)',
+  REDIS_PORT: process.env.REDIS_PORT || '(not set)',
+  REDIS_USERNAME: process.env.REDIS_USERNAME || '(not set)',
+  REDIS_PASSWORD: process.env.REDIS_PASSWORD ? '(set)' : '(not set)',
+  NODE_ENV: process.env.NODE_ENV || '(not set)',
+});
+
+const app = express();
+const port = process.env.KLAVIYO_PORT || 3004;
+
+// Rate limiting for reporting endpoints
+const reportingLimiter = rateLimit({
+  windowMs: 10 * 60 * 1000, // 10 minutes
+  max: 10, // limit each IP to 10 requests per windowMs
+  message: 'Too many requests to reporting endpoint, please try again later',
+  keyGenerator: (req) => {
+    // Use a combination of IP and endpoint for more granular control
+    return `${req.ip}-reporting`;
+  },
+  skip: (req) => {
+    // Only apply to campaign-values-reports endpoint
+    return !req.path.includes('campaign-values-reports');
+  }
+});
+
+// Middleware
+app.use(cors());
+app.use(express.json());
+
+// Debug middleware to log all requests
+app.use((req, res, next) => {
+  console.log(`[${new Date().toISOString()}] ${req.method} ${req.url}`);
+  next();
+});
+
+// Apply rate limiting to reporting endpoints
+app.use('/api/klaviyo/reporting', reportingLimiter);
+
+// Create and mount API routes
+const apiRouter = createApiRouter(
+  process.env.KLAVIYO_API_KEY,
+  process.env.KLAVIYO_API_REVISION || '2024-02-15'
+);
+app.use('/api/klaviyo', apiRouter);
+
+// Error handling middleware
+app.use((err, req, res, next) => {
+  console.error('Unhandled error:', err);
+  res.status(500).json({
+    status: 'error',
+    message: 'Internal server error',
+    details: process.env.NODE_ENV === 'development' ? err.message : undefined
+  });
+});
+
+// Start server
+app.listen(port, '0.0.0.0', () => {
+  console.log(`Klaviyo server listening at http://0.0.0.0:${port}`);
+}); 

inventory-server/dashboard/klaviyo-server/services/campaigns.service.js

@@ -0,0 +1,206 @@
+import fetch from 'node-fetch';
+import { TimeManager } from '../utils/time.utils.js';
+import { RedisService } from './redis.service.js';
+
+export class CampaignsService {
+  constructor(apiKey, apiRevision) {
+    this.apiKey = apiKey;
+    this.apiRevision = apiRevision;
+    this.baseUrl = 'https://a.klaviyo.com/api';
+    this.timeManager = new TimeManager();
+    this.redisService = new RedisService();
+  }
+
+  async getCampaigns(params = {}) {
+    try {
+      // Add request debouncing
+      const requestKey = JSON.stringify(params);
+      if (this._pendingRequests && this._pendingRequests[requestKey]) {
+        return this._pendingRequests[requestKey];
+      }
+
+      // Try to get from cache first
+      const cacheKey = this.redisService._getCacheKey('campaigns', params);
+      let cachedData = null;
+      try {
+        cachedData = await this.redisService.get(`${cacheKey}:raw`);
+        if (cachedData) {
+          return cachedData;
+        }
+      } catch (cacheError) {
+        console.warn('[CampaignsService] Cache error:', cacheError);
+      }
+
+      this._pendingRequests = this._pendingRequests || {};
+      this._pendingRequests[requestKey] = (async () => {
+        let allCampaigns = [];
+        let nextCursor = params.pageCursor;
+        let pageCount = 0;
+        
+        const filter = params.filter || this._buildFilter(params);
+        
+        do {
+          const queryParams = new URLSearchParams();
+          if (filter) {
+            queryParams.append('filter', filter);
+          }
+          queryParams.append('sort', params.sort || '-send_time');
+
+          if (nextCursor) {
+            queryParams.append('page[cursor]', nextCursor);
+          }
+
+          const url = `${this.baseUrl}/campaigns?${queryParams.toString()}`;
+
+          try {
+            const response = await fetch(url, {
+              method: 'GET',
+              headers: {
+                'Accept': 'application/json',
+                'Content-Type': 'application/json',
+                'Authorization': `Klaviyo-API-Key ${this.apiKey}`,
+                'revision': this.apiRevision
+              }
+            });
+
+            if (!response.ok) {
+              const errorData = await response.json();
+              console.error('[CampaignsService] API Error:', errorData);
+              throw new Error(`Klaviyo API error: ${response.status} ${response.statusText}`);
+            }
+
+            const responseData = await response.json();
+            allCampaigns = allCampaigns.concat(responseData.data || []);
+            pageCount++;
+            
+            nextCursor = responseData.links?.next ? 
+              new URL(responseData.links.next).searchParams.get('page[cursor]') : null;
+
+            if (nextCursor) {
+              await new Promise(resolve => setTimeout(resolve, 50));
+            }
+          } catch (fetchError) {
+            console.error('[CampaignsService] Fetch error:', fetchError);
+            throw fetchError;
+          }
+          
+        } while (nextCursor);
+
+        const transformedCampaigns = this._transformCampaigns(allCampaigns);
+
+        const result = {
+          data: transformedCampaigns,
+          meta: {
+            total_count: transformedCampaigns.length,
+            page_count: pageCount
+          }
+        };
+
+        try {
+          const ttl = this.redisService._getTTL(params.timeRange);
+          await this.redisService.set(`${cacheKey}:raw`, result, ttl);
+        } catch (cacheError) {
+          console.warn('[CampaignsService] Cache set error:', cacheError);
+        }
+
+        delete this._pendingRequests[requestKey];
+        return result;
+      })();
+
+      return await this._pendingRequests[requestKey];
+    } catch (error) {
+      console.error('[CampaignsService] Error fetching campaigns:', error);
+      throw error;
+    }
+  }
+
+  _buildFilter(params) {
+    const filters = [];
+    
+    if (params.startDate && params.endDate) {
+      const startUtc = this.timeManager.formatForAPI(params.startDate);
+      const endUtc = this.timeManager.formatForAPI(params.endDate);
+      
+      filters.push(`greater-or-equal(send_time,${startUtc})`);
+      filters.push(`less-than(send_time,${endUtc})`);
+    }
+
+    if (params.status) {
+      filters.push(`equals(status,"${params.status}")`);
+    }
+
+    if (params.customFilters) {
+      filters.push(...params.customFilters);
+    }
+
+    return filters.length > 0 ? (filters.length > 1 ? `and(${filters.join(',')})` : filters[0]) : null;
+  }
+
+  async getCampaignsByTimeRange(timeRange, options = {}) {
+    const range = this.timeManager.getDateRange(timeRange);
+    if (!range) {
+      throw new Error('Invalid time range specified');
+    }
+
+    const params = {
+      timeRange,
+      startDate: range.start.toISO(),
+      endDate: range.end.toISO(),
+      ...options
+    };
+
+    // Try to get from cache first
+    const cacheKey = this.redisService._getCacheKey('campaigns', params);
+    let cachedData = null;
+    try {
+      cachedData = await this.redisService.get(`${cacheKey}:raw`);
+      if (cachedData) {
+        return cachedData;
+      }
+    } catch (cacheError) {
+      console.warn('[CampaignsService] Cache error:', cacheError);
+    }
+
+    return this.getCampaigns(params);
+  }
+
+  _transformCampaigns(campaigns) {
+    if (!Array.isArray(campaigns)) {
+      console.warn('[CampaignsService] Campaigns is not an array:', campaigns);
+      return [];
+    }
+
+    return campaigns.map(campaign => {
+      try {
+        const stats = campaign.attributes?.campaign_message?.stats || {};
+        
+        return {
+          id: campaign.id,
+          name: campaign.attributes?.name || "Unnamed Campaign",
+          subject: campaign.attributes?.campaign_message?.subject || "",
+          send_time: campaign.attributes?.send_time,
+          stats: {
+            delivery_rate: stats.delivery_rate || 0,
+            delivered: stats.delivered || 0,
+            recipients: stats.recipients || 0,
+            open_rate: stats.open_rate || 0,
+            opens_unique: stats.opens_unique || 0,
+            opens: stats.opens || 0,
+            clicks_unique: stats.clicks_unique || 0,
+            click_rate: stats.click_rate || 0,
+            click_to_open_rate: stats.click_to_open_rate || 0,
+            conversion_value: stats.conversion_value || 0,
+            conversion_uniques: stats.conversion_uniques || 0
+          }
+        };
+      } catch (error) {
+        console.error('[CampaignsService] Error transforming campaign:', error, campaign);
+        return {
+          id: campaign.id || 'unknown',
+          name: 'Error Processing Campaign',
+          stats: {}
+        };
+      }
+    });
+  }
+} 

inventory-server/dashboard/klaviyo-server/services/metrics.service.js

@@ -0,0 +1,38 @@
+import fetch from 'node-fetch';
+
+export class MetricsService {
+  constructor(apiKey, apiRevision) {
+    this.apiKey = apiKey;
+    this.apiRevision = apiRevision;
+    this.baseUrl = 'https://a.klaviyo.com/api';
+  }
+  async getMetrics() {
+    try {
+      const response = await fetch(`${this.baseUrl}/metrics/`, {
+        headers: {
+          'Authorization': `Klaviyo-API-Key ${this.apiKey}`,
+          'revision': this.apiRevision,
+          'Content-Type': 'application/json',
+          'Accept': 'application/json'
+        }
+      });
+
+      if (!response.ok) {
+        const errorData = await response.json();
+        console.error('[MetricsService] API Error:', errorData);
+        throw new Error(`Klaviyo API error: ${response.status} ${response.statusText}`);
+      }
+
+      const data = await response.json();
+      // Sort the results by name before returning
+      if (data.data) {
+        data.data.sort((a, b) => a.attributes.name.localeCompare(b.attributes.name));
+      }
+
+      return data;
+    } catch (error) {
+      console.error('[MetricsService] Error fetching metrics:', error);
+      throw error;
+    }
+  }
+}

inventory-server/dashboard/klaviyo-server/services/redis.service.js

@@ -0,0 +1,262 @@
+import Redis from 'ioredis';
+import { TimeManager } from '../utils/time.utils.js';
+import dotenv from 'dotenv';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+// Get directory name in ES modules
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+// Load environment variables again (redundant but safe)
+const envPath = path.resolve(__dirname, '../.env');
+console.log('[RedisService] Loading .env file from:', envPath);
+dotenv.config({ path: envPath });
+
+export class RedisService {
+  constructor() {
+    this.timeManager = new TimeManager();
+    this.DEFAULT_TTL = 5 * 60; // 5 minutes default TTL
+    this.isConnected = false;
+    this._initializeRedis();
+  }
+
+  _initializeRedis() {
+    try {
+      // Debug: Print all environment variables we're looking for
+      console.log('[RedisService] Environment variables state:', {
+        REDIS_HOST: process.env.REDIS_HOST ? '(set)' : '(not set)',
+        REDIS_PORT: process.env.REDIS_PORT ? '(set)' : '(not set)',
+        REDIS_USERNAME: process.env.REDIS_USERNAME ? '(set)' : '(not set)',
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD ? '(set)' : '(not set)',
+      });
+
+      // Log Redis configuration (without password)
+      const host = process.env.REDIS_HOST || 'localhost';
+      const port = parseInt(process.env.REDIS_PORT) || 6379;
+      const username = process.env.REDIS_USERNAME || 'default';
+      const password = process.env.REDIS_PASSWORD;
+
+      console.log('[RedisService] Initializing Redis with config:', {
+        host,
+        port,
+        username,
+        hasPassword: !!password
+      });
+
+      const config = {
+        host,
+        port,
+        username,
+        retryStrategy: (times) => {
+          const delay = Math.min(times * 50, 2000);
+          return delay;
+        },
+        maxRetriesPerRequest: 3,
+        enableReadyCheck: true,
+        connectTimeout: 10000,
+        showFriendlyErrorStack: true,
+        retryUnfulfilled: true,
+        maxRetryAttempts: 5
+      };
+
+      // Only add password if it exists
+      if (password) {
+        console.log('[RedisService] Adding password to config');
+        config.password = password;
+      } else {
+        console.warn('[RedisService] No Redis password found in environment variables!');
+      }
+
+      this.client = new Redis(config);
+
+      // Handle connection events
+      this.client.on('connect', () => {
+        console.log('[RedisService] Connected to Redis');
+        this.isConnected = true;
+      });
+
+      this.client.on('ready', () => {
+        console.log('[RedisService] Redis is ready');
+        this.isConnected = true;
+      });
+
+      this.client.on('error', (err) => {
+        console.error('[RedisService] Redis error:', err);
+        this.isConnected = false;
+        // Log more details about the error
+        if (err.code === 'WRONGPASS') {
+          console.error('[RedisService] Authentication failed. Please check your Redis password.');
+        }
+      });
+
+      this.client.on('close', () => {
+        console.log('[RedisService] Redis connection closed');
+        this.isConnected = false;
+      });
+
+      this.client.on('reconnecting', (params) => {
+        console.log('[RedisService] Reconnecting to Redis:', params);
+      });
+
+    } catch (error) {
+      console.error('[RedisService] Error initializing Redis:', error);
+      this.isConnected = false;
+    }
+  }
+
+  async get(key) {
+    if (!this.isConnected) {
+      return null;
+    }
+    
+    try {
+      const data = await this.client.get(key);
+      return data ? JSON.parse(data) : null;
+    } catch (error) {
+      console.error('[RedisService] Error getting data:', error);
+      return null;
+    }
+  }
+
+  async set(key, data, ttl = this.DEFAULT_TTL) {
+    if (!this.isConnected) {
+      return;
+    }
+    
+    try {
+      await this.client.setex(key, ttl, JSON.stringify(data));
+    } catch (error) {
+      console.error('[RedisService] Error setting data:', error);
+    }
+  }
+
+// Helper to generate cache keys
+_getCacheKey(type, params = {}) {
+  const {
+    timeRange,
+    startDate,
+    endDate,
+    metricId,
+    metric,
+    daily,
+    cacheKey,
+    isPreviousPeriod,
+    customFilters
+  } = params;
+
+  let key = `klaviyo:${type}`;
+
+  // Handle "stats:details" for daily or metric-based keys
+  if (type === 'stats:details') {
+    // Add metric to key
+    key += `:${metric || 'all'}`;
+    
+    // Add daily flag if present
+    if (daily) {
+      key += ':daily';
+    }
+    
+    // Add custom filters hash if present
+    if (customFilters?.length) {
+      const filterHash = customFilters.join('').replace(/[^a-zA-Z0-9]/g, '');
+      key += `:${filterHash}`;
+    }
+  }
+
+  // If a specific cache key is provided, use it (highest priority)
+  if (cacheKey) {
+    key += `:${cacheKey}`;
+  } 
+  // Otherwise, build a default cache key
+  else if (timeRange) {
+    key += `:${timeRange}`;
+    if (metricId) {
+      key += `:${metricId}`;
+    }
+    if (isPreviousPeriod) {
+      key += ':prev';
+    }
+  } else if (startDate && endDate) {
+    // For custom date ranges, include both dates in the key
+    key += `:custom:${startDate}:${endDate}`;
+    if (metricId) {
+      key += `:${metricId}`;
+    }
+    if (isPreviousPeriod) {
+      key += ':prev';
+    }
+  }
+
+  // Add order type to key if present
+  if (['pre_orders', 'local_pickup', 'on_hold'].includes(metric)) {
+    key += `:${metric}`;
+  }
+
+  return key;
+}
+
+
+  // Get TTL based on time range
+  _getTTL(timeRange) {
+    const TTL_MAP = {
+      'today': 2 * 60, // 2 minutes
+      'yesterday': 30 * 60, // 30 minutes
+      'thisWeek': 5 * 60, // 5 minutes
+      'lastWeek': 60 * 60, // 1 hour
+      'thisMonth': 10 * 60, // 10 minutes
+      'lastMonth': 2 * 60 * 60, // 2 hours
+      'last7days': 5 * 60, // 5 minutes
+      'last30days': 15 * 60, // 15 minutes
+      'custom': 15 * 60 // 15 minutes
+    };
+    return TTL_MAP[timeRange] || this.DEFAULT_TTL;
+  }
+
+  async getEventData(type, params) {
+    if (!this.isConnected) {
+      return null;
+    }
+    
+    try {
+      const baseKey = this._getCacheKey('events', params);
+      const data = await this.get(`${baseKey}:${type}`);
+      return data;
+    } catch (error) {
+      console.error('[RedisService] Error getting event data:', error);
+      return null;
+    }
+  }
+
+  async cacheEventData(type, params, data) {
+    if (!this.isConnected) {
+      return;
+    }
+    
+    try {
+      const ttl = this._getTTL(params.timeRange);
+      const baseKey = this._getCacheKey('events', params);
+
+      // Cache raw event data
+      await this.set(`${baseKey}:${type}`, data, ttl);
+    } catch (error) {
+      console.error('[RedisService] Error caching event data:', error);
+    }
+  }
+
+  async clearCache(params = {}) {
+    if (!this.isConnected) {
+      return;
+    }
+    
+    try {
+      const pattern = this._getCacheKey('events', params) + '*';
+      const keys = await this.client.keys(pattern);
+      if (keys.length > 0) {
+        await this.client.del(...keys);
+      }
+    } catch (error) {
+      console.error('[RedisService] Error clearing cache:', error);
+    }
+  }
+} 

inventory-server/dashboard/klaviyo-server/services/reporting.service.js

@@ -0,0 +1,254 @@
+import fetch from 'node-fetch';
+import { TimeManager } from '../utils/time.utils.js';
+import { RedisService } from './redis.service.js';
+
+const METRIC_IDS = {
+  PLACED_ORDER: 'Y8cqcF'
+};
+
+export class ReportingService {
+  constructor(apiKey, apiRevision) {
+    this.apiKey = apiKey;
+    this.apiRevision = apiRevision;
+    this.baseUrl = 'https://a.klaviyo.com/api';
+    this.timeManager = new TimeManager();
+    this.redisService = new RedisService();
+    this._pendingReportRequest = null;
+  }
+
+  async getCampaignReports(params = {}) {
+    try {
+      // Check if there's a pending request
+      if (this._pendingReportRequest) {
+        console.log('[ReportingService] Using pending campaign report request');
+        return this._pendingReportRequest;
+      }
+
+      // Try to get from cache first
+      const cacheKey = this.redisService._getCacheKey('campaign_reports', params);
+      let cachedData = null;
+      try {
+        cachedData = await this.redisService.get(`${cacheKey}:raw`);
+        if (cachedData) {
+          console.log('[ReportingService] Using cached campaign report data');
+          return cachedData;
+        }
+      } catch (cacheError) {
+        console.warn('[ReportingService] Cache error:', cacheError);
+      }
+
+      // Create new request promise
+      this._pendingReportRequest = (async () => {
+        console.log('[ReportingService] Fetching fresh campaign report data');
+
+        const range = this.timeManager.getDateRange(params.timeRange || 'last30days');
+        
+        // Determine which channels to fetch based on params
+        const channelsToFetch = params.channel === 'all' || !params.channel
+          ? ['email', 'sms']
+          : [params.channel];
+
+        const allResults = [];
+        
+        // Fetch each channel
+        for (const channel of channelsToFetch) {
+          const payload = {
+            data: {
+              type: "campaign-values-report",
+              attributes: {
+                timeframe: {
+                  start: range.start.toISO(),
+                  end: range.end.toISO()
+                },
+                statistics: [
+                  "delivery_rate",
+                  "delivered",
+                  "recipients",
+                  "open_rate",
+                  "opens_unique",
+                  "opens",
+                  "click_rate",
+                  "clicks_unique",
+                  "click_to_open_rate",
+                  "conversion_value",
+                  "conversion_uniques"
+                ],
+                conversion_metric_id: METRIC_IDS.PLACED_ORDER,
+                filter: `equals(send_channel,"${channel}")`
+              }
+            }
+          };
+
+          const response = await fetch(`${this.baseUrl}/campaign-values-reports`, {
+            method: 'POST',
+            headers: {
+              'Accept': 'application/json',
+              'Content-Type': 'application/json',
+              'Authorization': `Klaviyo-API-Key ${this.apiKey}`,
+              'revision': this.apiRevision
+            },
+            body: JSON.stringify(payload)
+          });
+
+          if (!response.ok) {
+            const errorData = await response.json();
+            console.error('[ReportingService] API Error:', errorData);
+            throw new Error(`Klaviyo API error: ${response.status} ${response.statusText}`);
+          }
+
+          const reportData = await response.json();
+          console.log(`[ReportingService] Raw ${channel} report data:`, JSON.stringify(reportData, null, 2));
+          
+          // Get campaign IDs from the report
+          const campaignIds = reportData.data?.attributes?.results?.map(result => 
+            result.groupings?.campaign_id
+          ).filter(Boolean) || [];
+          
+          if (campaignIds.length > 0) {
+            // Get campaign details including send time and subject lines
+            const campaignDetails = await this.getCampaignDetails(campaignIds);
+            
+            // Process results for this channel
+            const channelResults = reportData.data.attributes.results.map(result => {
+              const campaignId = result.groupings.campaign_id;
+              const details = campaignDetails.find(detail => detail.id === campaignId);
+
+              return {
+                id: campaignId,
+                name: details.attributes.name,
+                subject: details.attributes.subject,
+                send_time: details.attributes.send_time,
+                channel: channel, // Use the channel we're currently processing
+                stats: {
+                  delivery_rate: result.statistics.delivery_rate,
+                  delivered: result.statistics.delivered,
+                  recipients: result.statistics.recipients,
+                  open_rate: result.statistics.open_rate,
+                  opens_unique: result.statistics.opens_unique,
+                  opens: result.statistics.opens,
+                  click_rate: result.statistics.click_rate,
+                  clicks_unique: result.statistics.clicks_unique,
+                  click_to_open_rate: result.statistics.click_to_open_rate,
+                  conversion_value: result.statistics.conversion_value,
+                  conversion_uniques: result.statistics.conversion_uniques
+                }
+              };
+            });
+
+            allResults.push(...channelResults);
+          }
+        }
+
+        // Sort all results by date
+        const enrichedData = {
+          data: allResults.sort((a, b) => {
+            const dateA = new Date(a.send_time);
+            const dateB = new Date(b.send_time);
+            return dateB - dateA; // Sort by date descending
+          })
+        };
+
+        console.log('[ReportingService] Enriched data:', JSON.stringify(enrichedData, null, 2));
+
+        // Cache the enriched response for 10 minutes
+        try {
+          await this.redisService.set(`${cacheKey}:raw`, enrichedData, 600);
+        } catch (cacheError) {
+          console.warn('[ReportingService] Cache set error:', cacheError);
+        }
+
+        return enrichedData;
+      })();
+
+      const result = await this._pendingReportRequest;
+      this._pendingReportRequest = null;
+      return result;
+
+    } catch (error) {
+      console.error('[ReportingService] Error fetching campaign reports:', error);
+      this._pendingReportRequest = null;
+      throw error;
+    }
+  }
+
+  async getCampaignDetails(campaignIds = []) {
+    if (!Array.isArray(campaignIds) || campaignIds.length === 0) {
+      return [];
+    }
+
+    const fetchWithTimeout = async (campaignId, retries = 3) => {
+      for (let i = 0; i < retries; i++) {
+        try {
+          const controller = new AbortController();
+          const timeoutId = setTimeout(() => controller.abort(), 10000); // 10 second timeout
+
+          const response = await fetch(
+            `${this.baseUrl}/campaigns/${campaignId}?include=campaign-messages`,
+            {
+              headers: {
+                'Accept': 'application/json',
+                'Authorization': `Klaviyo-API-Key ${this.apiKey}`,
+                'revision': this.apiRevision
+              },
+              signal: controller.signal
+            }
+          );
+
+          clearTimeout(timeoutId);
+
+          if (!response.ok) {
+            throw new Error(`Failed to fetch campaign ${campaignId}: ${response.status}`);
+          }
+
+          const data = await response.json();
+          if (!data.data) {
+            throw new Error(`Invalid response for campaign ${campaignId}`);
+          }
+
+          const message = data.included?.find(item => item.type === 'campaign-message');
+          
+          console.log('[ReportingService] Campaign details for ID:', campaignId, {
+            send_channel: data.data.attributes.send_channel,
+            raw_attributes: data.data.attributes
+          });
+
+          return {
+            id: data.data.id,
+            type: data.data.type,
+            attributes: {
+              ...data.data.attributes,
+              name: data.data.attributes.name,
+              send_time: data.data.attributes.send_time,
+              subject: message?.attributes?.content?.subject,
+              send_channel: data.data.attributes.send_channel || 'email'
+            }
+          };
+        } catch (error) {
+          if (i === retries - 1) throw error;
+          await new Promise(resolve => setTimeout(resolve, 1000 * (i + 1))); // Exponential backoff
+        }
+      }
+    };
+
+    // Process in smaller chunks to avoid overwhelming the API
+    const chunkSize = 10;
+    const campaignDetails = [];
+    
+    for (let i = 0; i < campaignIds.length; i += chunkSize) {
+      const chunk = campaignIds.slice(i, i + chunkSize);
+      const results = await Promise.all(
+        chunk.map(id => fetchWithTimeout(id).catch(error => {
+          console.error(`Failed to fetch campaign ${id}:`, error);
+          return null;
+        }))
+      );
+      campaignDetails.push(...results.filter(Boolean));
+      
+      if (i + chunkSize < campaignIds.length) {
+        await new Promise(resolve => setTimeout(resolve, 1000)); // 1 second delay between chunks
+      }
+    }
+
+    return campaignDetails;
+  }
+} 

inventory-server/dashboard/klaviyo-server/utils/time.utils.js

@@ -0,0 +1,448 @@
+import { DateTime } from 'luxon';
+
+export class TimeManager {
+  constructor(dayStartHour = 1) {
+    this.timezone = 'America/New_York';
+    this.dayStartHour = dayStartHour; // Hour (0-23) when the business day starts
+    this.weekStartDay = 7; // 7 = Sunday in Luxon
+  }
+
+  /**
+   * Get the start of the current business day
+   * If current time is before dayStartHour, return previous day at dayStartHour
+   */
+  getDayStart(dt = this.getNow()) {
+    if (!dt.isValid) {
+      console.error("[TimeManager] Invalid datetime provided to getDayStart");
+      return this.getNow();
+    }
+    const dayStart = dt.set({ hour: this.dayStartHour, minute: 0, second: 0, millisecond: 0 });
+    return dt.hour < this.dayStartHour ? dayStart.minus({ days: 1 }) : dayStart;
+  }
+
+  /**
+   * Get the end of the current business day
+   * End is defined as dayStartHour - 1 minute on the next day
+   */
+  getDayEnd(dt = this.getNow()) {
+    if (!dt.isValid) {
+      console.error("[TimeManager] Invalid datetime provided to getDayEnd");
+      return this.getNow();
+    }
+    const nextDay = this.getDayStart(dt).plus({ days: 1 });
+    return nextDay.minus({ minutes: 1 });
+  }
+
+  /**
+   * Get the start of the week containing the given date
+   * Aligns with custom day start time and starts on Sunday
+   */
+  getWeekStart(dt = this.getNow()) {
+    if (!dt.isValid) {
+      console.error("[TimeManager] Invalid datetime provided to getWeekStart");
+      return this.getNow();
+    }
+    // Set to start of week (Sunday) and adjust hour
+    const weekStart = dt.set({ weekday: this.weekStartDay }).startOf('day');
+    // If the week start time would be after the given time, go back a week
+    if (weekStart > dt) {
+      return weekStart.minus({ weeks: 1 }).set({ hour: this.dayStartHour });
+    }
+    return weekStart.set({ hour: this.dayStartHour });
+  }
+
+  /**
+   * Convert any date input to a Luxon DateTime in Eastern time
+   */
+  toDateTime(date) {
+    if (!date) return null;
+
+    if (date instanceof DateTime) {
+      return date.setZone(this.timezone);
+    }
+
+    // If it's an ISO string or Date object, parse it
+    const dt = DateTime.fromISO(date instanceof Date ? date.toISOString() : date);
+    if (!dt.isValid) {
+      console.error("[TimeManager] Invalid date input:", date);
+      return null;
+    }
+
+    return dt.setZone(this.timezone);
+  }
+
+  /**
+   * Format a date for API requests (UTC ISO string)
+   */
+  formatForAPI(date) {
+    if (!date) return null;
+
+    // Parse the input date
+    const dt = this.toDateTime(date);
+    if (!dt || !dt.isValid) {
+      console.error("[TimeManager] Invalid date for API:", date);
+      return null;
+    }
+
+    // Convert to UTC for API request
+    const utc = dt.toUTC();
+
+    console.log("[TimeManager] API date conversion:", {
+      input: date,
+      eastern: dt.toISO(),
+      utc: utc.toISO(),
+      offset: dt.offset
+    });
+
+    return utc.toISO();
+  }
+
+  /**
+   * Format a date for display (in Eastern time)
+   */
+  formatForDisplay(date) {
+    const dt = this.toDateTime(date);
+    if (!dt || !dt.isValid) return '';
+    return dt.toFormat('LLL d, yyyy h:mm a');
+  }
+
+  /**
+   * Validate if a date range is valid
+   */
+  isValidDateRange(start, end) {
+    const startDt = this.toDateTime(start);
+    const endDt = this.toDateTime(end);
+    return startDt && endDt && endDt > startDt;
+  }
+
+  /**
+   * Get the current time in Eastern timezone
+   */
+  getNow() {
+    return DateTime.now().setZone(this.timezone);
+  }
+
+  /**
+   * Get a date range for the last N hours
+   */
+  getLastNHours(hours) {
+    const now = this.getNow();
+    return {
+      start: now.minus({ hours }),
+      end: now
+    };
+  }
+
+  /**
+   * Get a date range for the last N days
+   * Aligns with custom day start time
+   */
+  getLastNDays(days) {
+    const now = this.getNow();
+    const dayStart = this.getDayStart(now);
+    return {
+      start: dayStart.minus({ days }),
+      end: this.getDayEnd(now)
+    };
+  }
+
+  /**
+   * Get a date range for a specific time period
+   * All ranges align with custom day start time
+   */
+  getDateRange(period) {
+    const now = this.getNow();
+    
+    // Normalize period to handle both 'last' and 'previous' prefixes
+    const normalizedPeriod = period.startsWith('previous') ? period.replace('previous', 'last') : period;
+    
+    switch (normalizedPeriod) {
+      case 'custom': {
+        // Custom ranges are handled separately via getCustomRange
+        console.warn('[TimeManager] Custom ranges should use getCustomRange method');
+        return null;
+      }
+      case 'today': {
+        const dayStart = this.getDayStart(now);
+        return {
+          start: dayStart,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'yesterday': {
+        const yesterday = now.minus({ days: 1 });
+        return {
+          start: this.getDayStart(yesterday),
+          end: this.getDayEnd(yesterday)
+        };
+      }
+      case 'last7days': {
+        // For last 7 days, we want to include today and the previous 6 days
+        const dayStart = this.getDayStart(now);
+        const weekStart = dayStart.minus({ days: 6 });
+        return {
+          start: weekStart,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'last30days': {
+        // Include today and previous 29 days
+        const dayStart = this.getDayStart(now);
+        const monthStart = dayStart.minus({ days: 29 });
+        return {
+          start: monthStart,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'last90days': {
+        // Include today and previous 89 days
+        const dayStart = this.getDayStart(now);
+        const start = dayStart.minus({ days: 89 });
+        return {
+          start,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'thisWeek': {
+        // Get the start of the week (Sunday) with custom hour
+        const weekStart = this.getWeekStart(now);
+        return {
+          start: weekStart,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'lastWeek': {
+        const lastWeek = now.minus({ weeks: 1 });
+        const weekStart = this.getWeekStart(lastWeek);
+        const weekEnd = weekStart.plus({ days: 6 }); // 6 days after start = Saturday
+        return {
+          start: weekStart,
+          end: this.getDayEnd(weekEnd)
+        };
+      }
+      case 'thisMonth': {
+        const dayStart = this.getDayStart(now);
+        const monthStart = dayStart.startOf('month').set({ hour: this.dayStartHour });
+        return {
+          start: monthStart,
+          end: this.getDayEnd(now)
+        };
+      }
+      case 'lastMonth': {
+        const lastMonth = now.minus({ months: 1 });
+        const monthStart = lastMonth.startOf('month').set({ hour: this.dayStartHour });
+        const monthEnd = monthStart.plus({ months: 1 }).minus({ days: 1 });
+        return {
+          start: monthStart,
+          end: this.getDayEnd(monthEnd)
+        };
+      }
+      default:
+        console.warn(`[TimeManager] Unknown period: ${period}`);
+        return null;
+    }
+  }
+
+  /**
+   * Format a duration in milliseconds to a human-readable string
+   */
+  formatDuration(ms) {
+    return DateTime.fromMillis(ms).toFormat("hh'h' mm'm' ss's'");
+  }
+
+  /**
+   * Get relative time string (e.g., "2 hours ago")
+   */
+  getRelativeTime(date) {
+    const dt = this.toDateTime(date);
+    if (!dt) return '';
+    return dt.toRelative();
+  }
+
+  /**
+   * Get a custom date range using exact dates and times provided
+   * @param {string} startDate - ISO string or Date for range start
+   * @param {string} endDate - ISO string or Date for range end
+   * @returns {Object} Object with start and end DateTime objects
+   */
+  getCustomRange(startDate, endDate) {
+    if (!startDate || !endDate) {
+      console.error("[TimeManager] Custom range requires both start and end dates");
+      return null;
+    }
+
+    const start = this.toDateTime(startDate);
+    const end = this.toDateTime(endDate);
+
+    if (!start || !end || !start.isValid || !end.isValid) {
+      console.error("[TimeManager] Invalid dates provided for custom range");
+      return null;
+    }
+
+    // Validate the range
+    if (end < start) {
+      console.error("[TimeManager] End date must be after start date");
+      return null;
+    }
+
+    return {
+      start,
+      end
+    };
+  }
+
+  /**
+   * Get the previous period's date range based on the current period
+   * @param {string} period - The current period
+   * @param {DateTime} now - The current datetime (optional)
+   * @returns {Object} Object with start and end DateTime objects
+   */
+  getPreviousPeriod(period, now = this.getNow()) {
+    const normalizedPeriod = period.startsWith('previous') ? period.replace('previous', 'last') : period;
+    
+    switch (normalizedPeriod) {
+      case 'today': {
+        const yesterday = now.minus({ days: 1 });
+        return {
+          start: this.getDayStart(yesterday),
+          end: this.getDayEnd(yesterday)
+        };
+      }
+      case 'yesterday': {
+        const twoDaysAgo = now.minus({ days: 2 });
+        return {
+          start: this.getDayStart(twoDaysAgo),
+          end: this.getDayEnd(twoDaysAgo)
+        };
+      }
+      case 'last7days': {
+        const dayStart = this.getDayStart(now);
+        const currentStart = dayStart.minus({ days: 6 });
+        const prevEnd = currentStart.minus({ milliseconds: 1 });
+        const prevStart = prevEnd.minus({ days: 6 });
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'last30days': {
+        const dayStart = this.getDayStart(now);
+        const currentStart = dayStart.minus({ days: 29 });
+        const prevEnd = currentStart.minus({ milliseconds: 1 });
+        const prevStart = prevEnd.minus({ days: 29 });
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'last90days': {
+        const dayStart = this.getDayStart(now);
+        const currentStart = dayStart.minus({ days: 89 });
+        const prevEnd = currentStart.minus({ milliseconds: 1 });
+        const prevStart = prevEnd.minus({ days: 89 });
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'thisWeek': {
+        const weekStart = this.getWeekStart(now);
+        const prevEnd = weekStart.minus({ milliseconds: 1 });
+        const prevStart = this.getWeekStart(prevEnd);
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'lastWeek': {
+        const lastWeekStart = this.getWeekStart(now.minus({ weeks: 1 }));
+        const prevEnd = lastWeekStart.minus({ milliseconds: 1 });
+        const prevStart = this.getWeekStart(prevEnd);
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'thisMonth': {
+        const monthStart = now.startOf('month').set({ hour: this.dayStartHour });
+        const prevEnd = monthStart.minus({ milliseconds: 1 });
+        const prevStart = prevEnd.startOf('month').set({ hour: this.dayStartHour });
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      case 'lastMonth': {
+        const lastMonthStart = now.minus({ months: 1 }).startOf('month').set({ hour: this.dayStartHour });
+        const prevEnd = lastMonthStart.minus({ milliseconds: 1 });
+        const prevStart = prevEnd.startOf('month').set({ hour: this.dayStartHour });
+        return {
+          start: prevStart,
+          end: prevEnd
+        };
+      }
+      default:
+        console.warn(`[TimeManager] No previous period defined for: ${period}`);
+        return null;
+    }
+  }
+
+  groupEventsByInterval(events, interval = 'day', property = null) {
+    if (!events?.length) return [];
+
+    const groupedData = new Map();
+    const now = DateTime.now().setZone('America/New_York');
+
+    for (const event of events) {
+      const datetime = DateTime.fromISO(event.attributes.datetime);
+      let groupKey;
+
+      switch (interval) {
+        case 'hour':
+          groupKey = datetime.startOf('hour').toISO();
+          break;
+        case 'day':
+          groupKey = datetime.startOf('day').toISO();
+          break;
+        case 'week':
+          groupKey = datetime.startOf('week').toISO();
+          break;
+        case 'month':
+          groupKey = datetime.startOf('month').toISO();
+          break;
+        default:
+          groupKey = datetime.startOf('day').toISO();
+      }
+
+      const existingGroup = groupedData.get(groupKey) || {
+        datetime: groupKey,
+        count: 0,
+        value: 0
+      };
+
+      existingGroup.count++;
+
+      if (property) {
+        // Extract property value from event
+        const props = event.attributes?.event_properties || event.attributes?.properties || {};
+        let value = 0;
+
+        if (property === '$value') {
+          // Special case for $value - use event value
+          value = Number(event.attributes?.value || 0);
+        } else {
+          // Otherwise get from properties
+          value = Number(props[property] || 0);
+        }
+
+        existingGroup.value = (existingGroup.value || 0) + value;
+      }
+
+      groupedData.set(groupKey, existingGroup);
+    }
+
+    // Convert to array and sort by datetime
+    return Array.from(groupedData.values())
+      .sort((a, b) => DateTime.fromISO(a.datetime) - DateTime.fromISO(b.datetime));
+  }
+}