lazy loading email templates
This commit is contained in:
jackiettran
@@ -1,6 +1,7 @@
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const fs = require("fs").promises;
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const path = require("path");
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const logger = require("../../../utils/logger");
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const { escapeHtml } = require("./emailUtils");
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/**
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* TemplateManager handles loading, caching, and rendering email templates
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@@ -10,6 +11,14 @@ const logger = require("../../../utils/logger");
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* - Rendering templates with variable substitution
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* - Providing fallback templates when files can't be loaded
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*/
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// Critical templates that must be preloaded at startup for auth flows
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const CRITICAL_TEMPLATES = [
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"emailVerificationToUser",
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"passwordResetToUser",
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"passwordChangedToUser",
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"personalInfoChangedToUser",
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];
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class TemplateManager {
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constructor() {
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// Singleton pattern - return existing instance if already created
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@@ -17,15 +26,76 @@ class TemplateManager {
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return TemplateManager.instance;
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}
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this.templates = new Map();
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this.templates = new Map(); // Cached template content
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this.templateNames = new Set(); // Discovered template names
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this.initialized = false;
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this.initializationPromise = null;
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this.templatesDir = path.join(
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__dirname,
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"..",
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"..",
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"..",
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"templates",
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"emails"
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);
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TemplateManager.instance = this;
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}
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/**
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* Initialize the template manager by loading all email templates
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* Discover all available templates by scanning the templates directory
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* Only reads filenames, not content (for fast startup)
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* @returns {Promise<void>}
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*/
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async discoverTemplates() {
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try {
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const files = await fs.readdir(this.templatesDir);
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for (const file of files) {
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if (file.endsWith(".html")) {
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this.templateNames.add(file.replace(".html", ""));
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}
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}
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logger.info("Discovered email templates", {
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count: this.templateNames.size,
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});
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} catch (error) {
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logger.error("Failed to discover email templates", {
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templatesDir: this.templatesDir,
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error,
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});
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throw error;
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}
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}
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/**
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* Load a single template from disk (lazy loading)
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* @param {string} templateName - Name of the template (without .html extension)
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* @returns {Promise<string>} Template content
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*/
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async loadTemplate(templateName) {
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// Return cached template if already loaded
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if (this.templates.has(templateName)) {
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return this.templates.get(templateName);
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}
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const templatePath = path.join(this.templatesDir, `${templateName}.html`);
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try {
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const content = await fs.readFile(templatePath, "utf-8");
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this.templates.set(templateName, content);
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logger.debug("Loaded template", { templateName });
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return content;
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} catch (error) {
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logger.error("Failed to load template", {
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templateName,
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templatePath,
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error,
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});
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throw error;
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}
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}
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/**
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* Initialize the template manager by discovering templates and preloading critical ones
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* @returns {Promise<void>}
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*/
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async initialize() {
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@@ -39,133 +109,35 @@ class TemplateManager {
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// Start initialization and store the promise
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this.initializationPromise = (async () => {
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await this.loadEmailTemplates();
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this.initialized = true;
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logger.info("Email Template Manager initialized successfully");
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})();
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// Discover all available templates (fast - only reads filenames)
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await this.discoverTemplates();
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return this.initializationPromise;
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}
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/**
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* Load all email templates from disk into memory
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* @returns {Promise<void>}
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*/
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async loadEmailTemplates() {
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const templatesDir = path.join(
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__dirname,
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"..",
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"..",
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"..",
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"templates",
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"emails"
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);
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// Critical templates that must load for the app to function
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const criticalTemplates = [
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"emailVerificationToUser.html",
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"passwordResetToUser.html",
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"passwordChangedToUser.html",
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"personalInfoChangedToUser.html",
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];
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try {
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const templateFiles = [
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"conditionCheckReminderToUser.html",
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"rentalConfirmationToUser.html",
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"emailVerificationToUser.html",
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"passwordResetToUser.html",
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"passwordChangedToUser.html",
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"personalInfoChangedToUser.html",
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"lateReturnToCS.html",
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"damageReportToCS.html",
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"lostItemToCS.html",
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"rentalRequestToOwner.html",
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"rentalRequestConfirmationToRenter.html",
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"rentalCancellationConfirmationToUser.html",
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"rentalCancellationNotificationToUser.html",
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"rentalDeclinedToRenter.html",
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"rentalApprovalConfirmationToOwner.html",
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"rentalCompletionThankYouToRenter.html",
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"rentalCompletionCongratsToOwner.html",
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"payoutReceivedToOwner.html",
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"firstListingCelebrationToOwner.html",
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"itemDeletionToOwner.html",
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"alphaInvitationToUser.html",
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"feedbackConfirmationToUser.html",
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"feedbackNotificationToAdmin.html",
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"newMessageToUser.html",
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"forumCommentToPostAuthor.html",
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"forumReplyToCommentAuthor.html",
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"forumAnswerAcceptedToCommentAuthor.html",
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"forumThreadActivityToParticipant.html",
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"forumPostClosed.html",
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"forumItemRequestNotification.html",
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"forumPostDeletionToAuthor.html",
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"forumCommentDeletionToAuthor.html",
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"paymentDeclinedToRenter.html",
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"paymentMethodUpdatedToOwner.html",
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"authenticationRequiredToRenter.html",
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"payoutFailedToOwner.html",
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"accountDisconnectedToOwner.html",
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"payoutsDisabledToOwner.html",
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"disputeAlertToAdmin.html",
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"disputeLostAlertToAdmin.html",
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"userBannedNotification.html",
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];
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const failedTemplates = [];
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for (const templateFile of templateFiles) {
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try {
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const templatePath = path.join(templatesDir, templateFile);
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const templateContent = await fs.readFile(templatePath, "utf-8");
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const templateName = path.basename(templateFile, ".html");
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this.templates.set(templateName, templateContent);
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logger.debug("Loaded template", { templateName });
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} catch (error) {
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logger.error("Failed to load template", {
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templateFile,
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templatePath: path.join(templatesDir, templateFile),
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error,
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});
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failedTemplates.push(templateFile);
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// Preload critical templates for auth flows
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const missingCritical = [];
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for (const templateName of CRITICAL_TEMPLATES) {
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if (!this.templateNames.has(templateName)) {
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missingCritical.push(templateName);
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} else {
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await this.loadTemplate(templateName);
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}
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}
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logger.info("Loaded email templates", {
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loaded: this.templates.size,
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total: templateFiles.length,
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});
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// Check if critical templates are missing
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const missingCriticalTemplates = criticalTemplates.filter(
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(template) => !this.templates.has(path.basename(template, ".html"))
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);
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if (missingCriticalTemplates.length > 0) {
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if (missingCritical.length > 0) {
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const error = new Error(
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`Critical email templates failed to load: ${missingCriticalTemplates.join(
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", "
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)}`
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`Critical email templates not found: ${missingCritical.join(", ")}`
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);
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error.missingTemplates = missingCriticalTemplates;
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error.missingTemplates = missingCritical;
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throw error;
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}
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// Warn if non-critical templates failed
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if (failedTemplates.length > 0) {
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logger.warn("Non-critical templates failed to load, using fallback versions", {
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failedTemplates,
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});
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}
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} catch (error) {
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logger.error("Failed to load email templates", {
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templatesDir,
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error,
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this.initialized = true;
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logger.info("Email Template Manager initialized successfully", {
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discovered: this.templateNames.size,
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preloaded: CRITICAL_TEMPLATES.length,
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});
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throw error; // Re-throw to fail server startup
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}
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})();
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return this.initializationPromise;
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}
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/**
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@@ -181,24 +153,36 @@ class TemplateManager {
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await this.initialize();
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}
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let template = this.templates.get(templateName);
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let template;
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if (!template) {
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// Check if template exists in our discovered templates
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if (this.templateNames.has(templateName)) {
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// Lazy load the template if not already cached
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template = await this.loadTemplate(templateName);
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} else {
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logger.error("Template not found, using fallback", {
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templateName,
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availableTemplates: Array.from(this.templates.keys()),
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discoveredTemplates: Array.from(this.templateNames),
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});
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template = this.getFallbackTemplate(templateName);
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} else {
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logger.debug("Template found", { templateName });
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}
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let rendered = template;
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try {
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Object.keys(variables).forEach((key) => {
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// Variables ending in 'Html' or 'Section' contain trusted HTML content
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// (e.g., refundSection, stripeSection, earningsSection) - don't escape these
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const isTrustedHtml = key.endsWith("Html") || key.endsWith("Section");
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let value = variables[key] || "";
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// Escape HTML in user-provided values to prevent XSS
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if (!isTrustedHtml && typeof value === "string") {
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value = escapeHtml(value);
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}
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const regex = new RegExp(`{{${key}}}`, "g");
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rendered = rendered.replace(regex, variables[key] || "");
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rendered = rendered.replace(regex, value);
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});
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} catch (error) {
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logger.error("Error rendering template", {
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@@ -212,25 +196,27 @@ class TemplateManager {
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}
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/**
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* Get a fallback template when the HTML file is not available
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* @param {string} templateName - Name of the template
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* @returns {string} Fallback HTML template
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* Get a generic fallback template when the HTML file is not available
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* This is used as a last resort when a template cannot be loaded
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* @param {string} templateName - Name of the template (for logging)
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* @returns {string} Generic fallback HTML template
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*/
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getFallbackTemplate(templateName) {
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const baseTemplate = `
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logger.warn("Using generic fallback template", { templateName });
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return `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{{title}}</title>
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<title>Village Share</title>
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<style>
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body { font-family: Arial, sans-serif; margin: 0; padding: 20px; background-color: #f5f5f5; }
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.container { max-width: 600px; margin: 0 auto; background-color: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
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.header { text-align: center; border-bottom: 2px solid #e9ecef; padding-bottom: 20px; margin-bottom: 30px; }
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.logo { font-size: 24px; font-weight: bold; color: #333; }
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.content { line-height: 1.6; color: #555; }
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.button { display: inline-block; background-color: #007bff; color: white; padding: 12px 24px; text-decoration: none; border-radius: 4px; margin: 20px 0; }
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.footer { margin-top: 30px; padding-top: 20px; border-top: 1px solid #e9ecef; text-align: center; font-size: 12px; color: #6c757d; }
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</style>
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</head>
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@@ -240,7 +226,9 @@ class TemplateManager {
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<div class="logo">Village Share</div>
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</div>
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<div class="content">
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{{content}}
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<p>Hi {{recipientName}},</p>
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<h2>{{title}}</h2>
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<p>{{message}}</p>
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</div>
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<div class="footer">
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<p>This email was sent from Village Share. If you have any questions, please contact support.</p>
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@@ -249,315 +237,6 @@ class TemplateManager {
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</body>
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</html>
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`;
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const templates = {
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conditionCheckReminderToUser: baseTemplate.replace(
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"{{content}}",
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`
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<h2>{{title}}</h2>
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<p>{{message}}</p>
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<p><strong>Rental Item:</strong> {{itemName}}</p>
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<p><strong>Deadline:</strong> {{deadline}}</p>
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<p>Please complete this condition check as soon as possible to ensure proper documentation.</p>
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`
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),
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rentalConfirmationToUser: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>{{title}}</h2>
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<p>{{message}}</p>
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<p><strong>Item:</strong> {{itemName}}</p>
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<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
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<p>Thank you for using Village Share!</p>
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`
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),
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emailVerificationToUser: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>Verify Your Email Address</h2>
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<p>Thank you for registering with Village Share! Please verify your email address by clicking the button below.</p>
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<p><a href="{{verificationUrl}}" class="button">Verify Email Address</a></p>
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<p>If the button doesn't work, copy and paste this link into your browser: {{verificationUrl}}</p>
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<p><strong>This link will expire in 24 hours.</strong></p>
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`
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),
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passwordResetToUser: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>Reset Your Password</h2>
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<p>We received a request to reset the password for your Village Share account. Click the button below to choose a new password.</p>
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<p><a href="{{resetUrl}}" class="button">Reset Password</a></p>
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<p>If the button doesn't work, copy and paste this link into your browser: {{resetUrl}}</p>
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<p><strong>This link will expire in 1 hour.</strong></p>
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<p>If you didn't request this, you can safely ignore this email.</p>
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`
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),
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passwordChangedToUser: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>Your Password Has Been Changed</h2>
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<p>This is a confirmation that the password for your Village Share account ({{email}}) has been successfully changed.</p>
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<p><strong>Changed on:</strong> {{timestamp}}</p>
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<p>For your security, all existing sessions have been logged out.</p>
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<p><strong>Didn't change your password?</strong> If you did not make this change, please contact our support team immediately.</p>
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`
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),
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rentalRequestToOwner: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{ownerName}},</p>
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<h2>New Rental Request for {{itemName}}</h2>
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<p>{{renterName}} would like to rent your item.</p>
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<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
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<p><strong>Total Amount:</strong> \${{totalAmount}}</p>
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<p><strong>Your Earnings:</strong> \${{payoutAmount}}</p>
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<p><strong>Delivery Method:</strong> {{deliveryMethod}}</p>
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<p><strong>Intended Use:</strong> {{intendedUse}}</p>
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<p><a href="{{approveUrl}}" class="button">Review & Respond</a></p>
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<p>Please respond to this request within 24 hours.</p>
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`
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),
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rentalRequestConfirmationToRenter: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{renterName}},</p>
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<h2>Your Rental Request Has Been Submitted!</h2>
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<p>Your request to rent <strong>{{itemName}}</strong> has been sent to the owner.</p>
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<p><strong>Item:</strong> {{itemName}}</p>
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<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
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<p><strong>Delivery Method:</strong> {{deliveryMethod}}</p>
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<p><strong>Total Amount:</strong> \${{totalAmount}}</p>
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<p>{{paymentMessage}}</p>
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<p>You'll receive an email notification once the owner responds to your request.</p>
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<p><a href="{{viewRentalsUrl}}" class="button">View My Rentals</a></p>
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`
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),
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rentalCancellationConfirmationToUser: baseTemplate.replace(
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"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>Rental Cancelled Successfully</h2>
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<p>This confirms that your rental for <strong>{{itemName}}</strong> has been cancelled.</p>
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<p><strong>Item:</strong> {{itemName}}</p>
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<p><strong>Start Date:</strong> {{startDate}}</p>
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<p><strong>End Date:</strong> {{endDate}}</p>
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<p><strong>Cancelled On:</strong> {{cancelledAt}}</p>
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{{refundSection}}
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`
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),
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rentalCancellationNotificationToUser: baseTemplate.replace(
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||||
"{{content}}",
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`
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<p>Hi {{recipientName}},</p>
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<h2>Rental Cancellation Notice</h2>
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<p>{{cancellationMessage}}</p>
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<p><strong>Item:</strong> {{itemName}}</p>
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<p><strong>Start Date:</strong> {{startDate}}</p>
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<p><strong>End Date:</strong> {{endDate}}</p>
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||||
<p><strong>Cancelled On:</strong> {{cancelledAt}}</p>
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||||
{{additionalInfo}}
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||||
<p>If you have any questions or concerns, please reach out to our support team.</p>
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||||
`
|
||||
),
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||||
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||||
payoutReceivedToOwner: baseTemplate.replace(
|
||||
"{{content}}",
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||||
`
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||||
<p>Hi {{ownerName}},</p>
|
||||
<h2 style="color: #28a745;">Earnings Received: \${{payoutAmount}}</h2>
|
||||
<p>Great news! Your earnings from the rental of <strong>{{itemName}}</strong> have been transferred to your account.</p>
|
||||
<h3>Rental Details</h3>
|
||||
<p><strong>Item:</strong> {{itemName}}</p>
|
||||
<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
|
||||
<p><strong>Transfer ID:</strong> {{stripeTransferId}}</p>
|
||||
<h3>Earnings Breakdown</h3>
|
||||
<p><strong>Rental Amount:</strong> \${{totalAmount}}</p>
|
||||
<p><strong>Community Upkeep Fee (10%):</strong> -\${{platformFee}}</p>
|
||||
<p style="font-size: 18px; color: #28a745;"><strong>Your Earnings:</strong> \${{payoutAmount}}</p>
|
||||
<p>Funds are typically available in your bank account within 2-3 business days.</p>
|
||||
<p><a href="{{earningsDashboardUrl}}" class="button">View Earnings Dashboard</a></p>
|
||||
<p>Thank you for being a valued member of the Village Share community!</p>
|
||||
`
|
||||
),
|
||||
|
||||
rentalDeclinedToRenter: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{renterName}},</p>
|
||||
<h2>Rental Request Declined</h2>
|
||||
<p>Thank you for your interest in renting <strong>{{itemName}}</strong>. Unfortunately, the owner is unable to accept your rental request at this time.</p>
|
||||
<h3>Request Details</h3>
|
||||
<p><strong>Item:</strong> {{itemName}}</p>
|
||||
<p><strong>Start Date:</strong> {{startDate}}</p>
|
||||
<p><strong>End Date:</strong> {{endDate}}</p>
|
||||
<p><strong>Delivery Method:</strong> {{deliveryMethod}}</p>
|
||||
{{ownerMessage}}
|
||||
<div class="info-box">
|
||||
<p><strong>What happens next?</strong></p>
|
||||
<p>{{paymentMessage}}</p>
|
||||
<p>We encourage you to explore other similar items available for rent on Village Share. There are many great options waiting for you!</p>
|
||||
</div>
|
||||
<p style="text-align: center;"><a href="{{browseItemsUrl}}" class="button">Browse Available Items</a></p>
|
||||
<p>If you have any questions or concerns, please don't hesitate to contact our support team.</p>
|
||||
`
|
||||
),
|
||||
|
||||
rentalApprovalConfirmationToOwner: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{ownerName}},</p>
|
||||
<h2>You've Approved the Rental Request!</h2>
|
||||
<p>You've successfully approved the rental request for <strong>{{itemName}}</strong>.</p>
|
||||
<h3>Rental Details</h3>
|
||||
<p><strong>Item:</strong> {{itemName}}</p>
|
||||
<p><strong>Renter:</strong> {{renterName}}</p>
|
||||
<p><strong>Start Date:</strong> {{startDate}}</p>
|
||||
<p><strong>End Date:</strong> {{endDate}}</p>
|
||||
<p><strong>Your Earnings:</strong> \${{payoutAmount}}</p>
|
||||
{{stripeSection}}
|
||||
<h3>What's Next?</h3>
|
||||
<ul>
|
||||
<li>Coordinate with the renter on pickup details</li>
|
||||
<li>Take photos of the item's condition before handoff</li>
|
||||
<li>Provide any care instructions or usage tips</li>
|
||||
</ul>
|
||||
<p><a href="{{rentalDetailsUrl}}" class="button">View Rental Details</a></p>
|
||||
`
|
||||
),
|
||||
|
||||
rentalCompletionThankYouToRenter: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{renterName}},</p>
|
||||
<h2>Thank You for Returning On Time!</h2>
|
||||
<p>You've successfully returned <strong>{{itemName}}</strong> on time. On-time returns like yours help build trust in the Village Share community!</p>
|
||||
<h3>Rental Summary</h3>
|
||||
<p><strong>Item:</strong> {{itemName}}</p>
|
||||
<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
|
||||
<p><strong>Returned On:</strong> {{returnedDate}}</p>
|
||||
{{reviewSection}}
|
||||
<p><a href="{{browseItemsUrl}}" class="button">Browse Available Items</a></p>
|
||||
`
|
||||
),
|
||||
|
||||
rentalCompletionCongratsToOwner: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{ownerName}},</p>
|
||||
<h2>Congratulations on Completing a Rental!</h2>
|
||||
<p><strong>{{itemName}}</strong> has been successfully returned on time. Great job!</p>
|
||||
<h3>Rental Summary</h3>
|
||||
<p><strong>Item:</strong> {{itemName}}</p>
|
||||
<p><strong>Renter:</strong> {{renterName}}</p>
|
||||
<p><strong>Rental Period:</strong> {{startDate}} to {{endDate}}</p>
|
||||
{{earningsSection}}
|
||||
{{stripeSection}}
|
||||
<p><a href="{{owningUrl}}" class="button">View My Listings</a></p>
|
||||
`
|
||||
),
|
||||
|
||||
feedbackConfirmationToUser: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{userName}},</p>
|
||||
<h2>Thank You for Your Feedback!</h2>
|
||||
<p>We've received your feedback and our team will review it carefully.</p>
|
||||
<div style="background-color: #f8f9fa; border-left: 4px solid #007bff; padding: 15px; margin: 20px 0; font-style: italic;">
|
||||
{{feedbackText}}
|
||||
</div>
|
||||
<p><strong>Submitted:</strong> {{submittedAt}}</p>
|
||||
<p>Your input helps us improve Village Share for everyone. We take all feedback seriously and use it to make the platform better.</p>
|
||||
<p>If your feedback requires a response, our team will reach out to you directly.</p>
|
||||
`
|
||||
),
|
||||
|
||||
feedbackNotificationToAdmin: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<h2>New Feedback Received</h2>
|
||||
<p><strong>From:</strong> {{userName}} ({{userEmail}})</p>
|
||||
<p><strong>User ID:</strong> {{userId}}</p>
|
||||
<p><strong>Submitted:</strong> {{submittedAt}}</p>
|
||||
<h3>Feedback Content</h3>
|
||||
<div style="background-color: #e7f3ff; border-left: 4px solid #007bff; padding: 20px; margin: 20px 0;">
|
||||
{{feedbackText}}
|
||||
</div>
|
||||
<h3>Technical Context</h3>
|
||||
<p><strong>Feedback ID:</strong> {{feedbackId}}</p>
|
||||
<p><strong>Page URL:</strong> {{url}}</p>
|
||||
<p><strong>User Agent:</strong> {{userAgent}}</p>
|
||||
<p>Please review this feedback and take appropriate action if needed.</p>
|
||||
`
|
||||
),
|
||||
|
||||
paymentDeclinedToRenter: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{renterFirstName}},</p>
|
||||
<h2>Payment Issue with Your Rental Request</h2>
|
||||
<p>The owner tried to approve your rental for <strong>{{itemName}}</strong>, but there was an issue processing your payment.</p>
|
||||
<h3>What Happened</h3>
|
||||
<p>{{declineReason}}</p>
|
||||
<div class="info-box">
|
||||
<p><strong>What You Can Do</strong></p>
|
||||
<p>Please update your payment method so the owner can complete the approval of your rental request.</p>
|
||||
</div>
|
||||
<p>Once you update your payment method, the owner will be notified and can try to approve your rental again.</p>
|
||||
`
|
||||
),
|
||||
|
||||
paymentMethodUpdatedToOwner: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{ownerFirstName}},</p>
|
||||
<h2>Payment Method Updated</h2>
|
||||
<p>The renter has updated their payment method for the rental of <strong>{{itemName}}</strong>.</p>
|
||||
<div class="info-box">
|
||||
<p><strong>Ready to Approve</strong></p>
|
||||
<p>You can now try approving the rental request again. The renter's new payment method will be charged when you approve.</p>
|
||||
</div>
|
||||
<p style="text-align: center;"><a href="{{approvalUrl}}" class="button">Review & Approve Rental</a></p>
|
||||
`
|
||||
),
|
||||
|
||||
userBannedNotification: baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<p>Hi {{userName}},</p>
|
||||
<h2>Your Account Has Been Suspended</h2>
|
||||
<p>Your Village Share account has been suspended by our moderation team.</p>
|
||||
<div style="background-color: #f8d7da; border-left: 4px solid #dc3545; padding: 20px; margin: 20px 0;">
|
||||
<p><strong>Reason for Suspension:</strong></p>
|
||||
<p>{{banReason}}</p>
|
||||
</div>
|
||||
<p>You have been logged out of all devices and cannot log in to your account.</p>
|
||||
<p>If you believe this suspension was made in error, please contact <a href="mailto:{{supportEmail}}">{{supportEmail}}</a>.</p>
|
||||
`
|
||||
),
|
||||
};
|
||||
|
||||
return (
|
||||
templates[templateName] ||
|
||||
baseTemplate.replace(
|
||||
"{{content}}",
|
||||
`
|
||||
<h2>{{title}}</h2>
|
||||
<p>{{message}}</p>
|
||||
`
|
||||
)
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -90,9 +90,26 @@ function formatCurrency(amount, currency = "USD") {
|
||||
}).format(amount / 100);
|
||||
}
|
||||
|
||||
/**
|
||||
* Escape HTML special characters to prevent XSS attacks
|
||||
* Converts characters that could be interpreted as HTML into safe entities
|
||||
* @param {*} str - Value to escape (will be converted to string)
|
||||
* @returns {string} HTML-escaped string safe for insertion into HTML
|
||||
*/
|
||||
function escapeHtml(str) {
|
||||
if (str === null || str === undefined) return "";
|
||||
return String(str)
|
||||
.replace(/&/g, "&")
|
||||
.replace(/</g, "<")
|
||||
.replace(/>/g, ">")
|
||||
.replace(/"/g, """)
|
||||
.replace(/'/g, "'");
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
htmlToPlainText,
|
||||
formatEmailDate,
|
||||
formatShortDate,
|
||||
formatCurrency,
|
||||
escapeHtml,
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user