email refactor

backend/services/email/domain/UserEngagementEmailService.js

@@ -0,0 +1,77 @@
+const EmailClient = require("../core/EmailClient");
+const TemplateManager = require("../core/TemplateManager");
+
+/**
+ * UserEngagementEmailService handles user engagement emails
+ * This service is responsible for:
+ * - Sending first listing celebration emails
+ * - Other user engagement and milestone emails
+ */
+class UserEngagementEmailService {
+  constructor() {
+    this.emailClient = new EmailClient();
+    this.templateManager = new TemplateManager();
+    this.initialized = false;
+  }
+
+  /**
+   * Initialize the user engagement email service
+   * @returns {Promise<void>}
+   */
+  async initialize() {
+    if (this.initialized) return;
+
+    await Promise.all([
+      this.emailClient.initialize(),
+      this.templateManager.initialize(),
+    ]);
+
+    this.initialized = true;
+    console.log("User Engagement Email Service initialized successfully");
+  }
+
+  /**
+   * Send first listing celebration email to owner
+   * @param {Object} owner - Owner user object
+   * @param {string} owner.firstName - Owner's first name
+   * @param {string} owner.email - Owner's email address
+   * @param {Object} item - Item object
+   * @param {number} item.id - Item ID
+   * @param {string} item.name - Item name
+   * @returns {Promise<{success: boolean, messageId?: string, error?: string}>}
+   */
+  async sendFirstListingCelebrationEmail(owner, item) {
+    if (!this.initialized) {
+      await this.initialize();
+    }
+
+    try {
+      const frontendUrl = process.env.FRONTEND_URL || "http://localhost:3000";
+
+      const variables = {
+        ownerName: owner.firstName || "there",
+        itemName: item.name,
+        itemId: item.id,
+        viewItemUrl: `${frontendUrl}/items/${item.id}`,
+      };
+
+      const htmlContent = await this.templateManager.renderTemplate(
+        "firstListingCelebrationToOwner",
+        variables
+      );
+
+      const subject = `Congratulations! Your first item is live on RentAll`;
+
+      return await this.emailClient.sendEmail(
+        owner.email,
+        subject,
+        htmlContent
+      );
+    } catch (error) {
+      console.error("Failed to send first listing celebration email:", error);
+      return { success: false, error: error.message };
+    }
+  }
+}
+
+module.exports = UserEngagementEmailService;