📊 Summary Metrics

Topics covered: ${summaries.length}
Total tweets analyzed: ${summaries.reduce((sum, s) => sum + s.content.tweetCount, 0)}
Sentiment breakdown: ${this.getSentimentBreakdown(summaries)}
Generated: ${new Date().toLocaleString()}

\n ` : '';\n\n return `\n \n \n \n \n \n Your Twitter Feed Summary\n \n \n \n

🐦 Your Twitter Feed Summary

AI-powered insights from your social media

\n\n ${metricsSection}\n\n

📝 Topic Summaries

\n ${summaryCards}\n

\n\n

\n Generated by OffX AI Summary Service
\n This email contains AI-generated content based on your Twitter feed\n

\n \n \n \n `;\n }\n\n /**\n * Generate individual summary card HTML\n */\n private generateSummaryCard(summary: EmailSummaryData): string {\n const sentimentColor = {\n positive: '#28a745',\n negative: '#dc3545',\n neutral: '#6c757d'\n }[summary.content.sentiment.sentiment];\n\n const keyPointsList = summary.content.keyPoints\n .map(point => `

${point}

`)\n .join('');\n\n const keywords = summary.content.trendingKeywords.length > 0 \n ? summary.content.trendingKeywords.slice(0, 5).map(kw => \n `${kw}`\n ).join('')\n : 'No keywords identified';\n\n return `\n

\n \n

📌 ${summary.topicTitle}

🗣️ ${summary.content.tweetCount} tweets

\n ${summary.content.sentiment.sentiment.toUpperCase()}\n

\n\n

\n ${summary.content.summary}\n

\n\n ${summary.content.keyPoints.length > 0 ? `\n

🔑 Key Points:

\n ${keyPointsList}\n \n

\n ` : ''}\n\n

🏷️ Trending Keywords:

${keywords}

\n\n ${summary.content.influentialAuthors.length > 0 ? `\n

\n Notable voices: ${summary.content.influentialAuthors.slice(0, 3).join(', ')}\n

\n ` : ''}\n\n

\n Generated ${new Date(summary.created_at).toLocaleString()} • Time window: ${summary.time_period}\n

\n \n

\n `;\n }\n\n /**\n * Generate plain text email template\n */\n private generateTextTemplate(summaries: EmailSummaryData[], includeMetrics: boolean): string {\n const header = `\n🐦 YOUR TWITTER FEED SUMMARY\nAI-powered insights from your social media\n\n${new Date().toLocaleDateString()}\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n`;\n\n const metricsSection = includeMetrics ? `\n📊 SUMMARY METRICS\n• Topics covered: ${summaries.length}\n• Total tweets analyzed: ${summaries.reduce((sum, s) => sum + s.content.tweetCount, 0)}\n• Sentiment breakdown: ${this.getSentimentBreakdown(summaries)}\n• Generated: ${new Date().toLocaleString()}\n\n` : '';\n\n const summaryTexts = summaries.map(summary => `\n📌 ${summary.topicTitle.toUpperCase()}\n🗣️ ${summary.content.tweetCount} tweets • Sentiment: ${summary.content.sentiment.sentiment.toUpperCase()}\n\n${summary.content.summary}\n\n🔑 Key Points:\n${summary.content.keyPoints.map(point => `• ${point}`).join('\\n')}\n\n🏷️ Keywords: ${summary.content.trendingKeywords.slice(0, 5).join(', ') || 'None'}\n\n${summary.content.influentialAuthors.length > 0 ? `Notable voices: ${summary.content.influentialAuthors.slice(0, 3).join(', ')}` : ''}\n\nGenerated: ${new Date(summary.created_at).toLocaleString()} • Time window: ${summary.time_period}\n━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n`).join('\\n');\n\n const footer = `\nGenerated by OffX AI Summary Service\nThis email contains AI-generated content based on your Twitter feed\n`;\n\n return header + metricsSection + summaryTexts + footer;\n }\n\n /**\n * Get sentiment breakdown statistics\n */\n private getSentimentBreakdown(summaries: EmailSummaryData[]): string {\n const counts = summaries.reduce((acc, s) => {\n acc[s.content.sentiment.sentiment] = (acc[s.content.sentiment.sentiment] || 0) + 1;\n return acc;\n }, {} as Record);\n\n return Object.entries(counts)\n .map(([sentiment, count]) => `${count} ${sentiment}`)\n .join(', ');\n }\n\n /**\n * Send email with retry logic\n */\n private async sendEmailWithRetry(emailData: {\n to: string;\n subject: string;\n html: string;\n text: string;\n }, maxRetries: number = 3): Promise {\n let lastError: Error | null = null;\n\n for (let attempt = 1; attempt <= maxRetries; attempt++) {\n try {\n console.log(`📧 Sending email attempt ${attempt}/${maxRetries} to ${emailData.to}`);\n \n await email({\n to: emailData.to,\n subject: emailData.subject,\n html: emailData.html,\n text: emailData.text,\n });\n\n console.log(`📧 Email sent successfully on attempt ${attempt}`);\n return; // Success!\n\n } catch (error: unknown) {\n lastError = error instanceof Error ? error : new Error(String(error));\n console.warn(`📧 Email attempt ${attempt} failed:`, lastError.message);\n \n if (attempt < maxRetries) {\n // Wait before retrying (exponential backoff)\n const delay = Math.pow(2, attempt) * 1000; // 2s, 4s, 8s\n console.log(`📧 Retrying in ${delay}ms...`);\n await new Promise(resolve => setTimeout(resolve, delay));\n }\n }\n }\n\n // All attempts failed\n throw new Error(`Failed to send email after ${maxRetries} attempts. Last error: ${lastError?.message}`);\n }\n}","deleted","label",[168,150],"backend","permalink","https://www.val.town/x/jpd3v/offx/code/backend/email-delivery.ts","extension","actionData","errors"]