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