email refactor

backend/services/email/domain/MessagingEmailService.js

@@ -0,0 +1,97 @@
+const EmailClient = require("../core/EmailClient");
+const TemplateManager = require("../core/TemplateManager");
+
+/**
+ * MessagingEmailService handles all messaging-related email notifications
+ * This service is responsible for:
+ * - Sending new message notifications to users
+ */
+class MessagingEmailService {
+  constructor() {
+    this.emailClient = new EmailClient();
+    this.templateManager = new TemplateManager();
+    this.initialized = false;
+  }
+
+  /**
+   * Initialize the messaging 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("Messaging Email Service initialized successfully");
+  }
+
+  /**
+   * Send new message notification email
+   * @param {Object} receiver - User object of the message receiver
+   * @param {string} receiver.firstName - Receiver's first name
+   * @param {string} receiver.email - Receiver's email address
+   * @param {Object} sender - User object of the message sender
+   * @param {string} sender.id - Sender's user ID
+   * @param {string} sender.firstName - Sender's first name
+   * @param {string} sender.lastName - Sender's last name
+   * @param {Object} message - Message object
+   * @param {string} message.subject - Message subject
+   * @param {string} message.content - Message content
+   * @param {Date} message.createdAt - Message creation timestamp
+   * @returns {Promise<{success: boolean, messageId?: string, error?: string}>}
+   */
+  async sendNewMessageNotification(receiver, sender, message) {
+    if (!this.initialized) {
+      await this.initialize();
+    }
+
+    try {
+      const frontendUrl = process.env.FRONTEND_URL || "http://localhost:3000";
+      const conversationUrl = `${frontendUrl}/messages/conversations/${sender.id}`;
+
+      const timestamp = new Date(message.createdAt).toLocaleString("en-US", {
+        dateStyle: "medium",
+        timeStyle: "short",
+      });
+
+      const variables = {
+        recipientName: receiver.firstName || "there",
+        senderName: `${sender.firstName} ${sender.lastName}`.trim() || "A user",
+        subject: message.subject,
+        messageContent: message.content,
+        conversationUrl: conversationUrl,
+        timestamp: timestamp,
+      };
+
+      const htmlContent = await this.templateManager.renderTemplate(
+        "newMessageToUser",
+        variables
+      );
+
+      const subject = `New message from ${sender.firstName} ${sender.lastName}`;
+
+      const result = await this.emailClient.sendEmail(
+        receiver.email,
+        subject,
+        htmlContent
+      );
+
+      if (result.success) {
+        console.log(
+          `Message notification email sent to ${receiver.email} from ${sender.firstName} ${sender.lastName}`
+        );
+      }
+
+      return result;
+    } catch (error) {
+      console.error("Failed to send message notification email:", error);
+      return { success: false, error: error.message };
+    }
+  }
+}
+
+module.exports = MessagingEmailService;