Email verification Backend

SerpentRace_Backend/src/Application/Services/EmailService.ts

@@ -1,6 +1,7 @@
 import * as nodemailer from 'nodemailer';
 import * as fs from 'fs';
 import * as path from 'path';
+import sharp from 'sharp';
 import { logError, logAuth, logStartup } from './Logger';
 import { EmailTemplateHelper, LocalizedSubjects } from './EmailTemplateHelper';
 
@@ -28,9 +29,14 @@ export class EmailService {
   private transporter!: nodemailer.Transporter;
   private config: EmailConfig;
   private templatesPath: string;
+  private logoPath: string;
+  private resizedLogoBuffer?: Buffer;
 
   constructor() {
     this.templatesPath = path.join(__dirname, '../../Templates');
+    this.logoPath = path.join(__dirname, '../../../assets/Logo.png');
+    // Load logo asynchronously after initialization
+    this.loadLogoBase64().catch(err => console.error('[EmailService] Error loading logo:', err));
     
     this.config = {
       host: process.env.EMAIL_HOST || 'smtp.gmail.com',
@@ -63,6 +69,32 @@ export class EmailService {
     }
   }
 
+  /**
+   * Load and resize logo for email attachments - 32x32 pixels
+   */
+  private async loadLogoBase64(): Promise<void> {
+    try {
+      if (fs.existsSync(this.logoPath)) {
+        const logoBuffer = fs.readFileSync(this.logoPath);
+        
+        // Resize to 60x60 pixels with high quality and centered
+        this.resizedLogoBuffer = await sharp(logoBuffer)
+          .resize(60, 60, {
+            fit: 'contain',
+            background: { r: 255, g: 255, b: 255, alpha: 1 },
+            position: 'center'
+          })
+          .png()
+          .toBuffer();
+        
+        console.log(`[EmailService] ✅ Logo loaded and resized to 60x60`);
+      }
+    } catch (error) {
+      console.error(`[EmailService] ❌ Failed to load/resize logo:`, error);
+      logError('Failed to load logo for emails', error instanceof Error ? error : new Error(String(error)));
+    }
+  }
+
   /**
    * Send email with template
    * @param options - Email options including template and data
@@ -73,19 +105,29 @@ export class EmailService {
       let textContent = options.text;
 
       if (options.template) {
-        const templateResult = await this.loadTemplate(options.template, options.templateData || {});
+        const templateResult = await this.loadTemplate(options.template, options.templateData);
         htmlContent = templateResult.html;
         textContent = templateResult.text;
       }
 
-      const mailOptions = {
+      const mailOptions: any = {
         from: this.config.from,
         to: options.to,
         subject: options.subject,
         html: htmlContent,
-        text: textContent
+        text: textContent,
+        attachments: []
       };
 
+      // Add logo as CID attachment if available
+      if (this.resizedLogoBuffer) {
+        mailOptions.attachments.push({
+          filename: 'logo.png',
+          content: this.resizedLogoBuffer,
+          cid: 'logo@serpentrace' // Content-ID for referencing in HTML
+        });
+      }
+
       const result = await this.transporter.sendMail(mailOptions);
       logAuth('Email sent successfully', undefined, {
         messageId: result.messageId,