Initial commit: Complete NodeJS-native setup
- Migrated from Python pre-commit to NodeJS-native solution - Reorganized documentation structure - Set up Husky + lint-staged for efficient pre-commit hooks - Fixed Dockerfile healthcheck issue - Added comprehensive documentation index
This commit is contained in:
William Valentin
191
services/mailgun.service.ts
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191
services/mailgun.service.ts
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// Mailgun Email Service
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// This service handles email sending via Mailgun API
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import {
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getMailgunConfig,
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isMailgunConfigured,
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isDevelopmentMode,
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type MailgunConfig,
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} from './mailgun.config';
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interface EmailTemplate {
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subject: string;
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html: string;
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text?: string;
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}
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export class MailgunService {
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private config: MailgunConfig;
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constructor() {
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this.config = getMailgunConfig();
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// Log configuration status on startup
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const status = this.getConfigurationStatus();
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if (status.mode === 'development') {
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console.log(
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'📧 Mailgun Service: Running in development mode (emails will be logged only)'
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);
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console.log(
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'💡 To enable real emails, configure Mailgun credentials in .env.local'
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);
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} else {
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console.log(
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'📧 Mailgun Service: Configured for production with domain:',
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status.domain
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);
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}
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}
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private getVerificationEmailTemplate(verificationUrl: string): EmailTemplate {
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return {
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subject: 'Verify Your Email - Medication Reminder',
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html: `
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<div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
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<h2 style="color: #4f46e5;">Verify Your Email Address</h2>
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<p>Thank you for signing up for Medication Reminder! Please click the button below to verify your email address:</p>
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<div style="text-align: center; margin: 30px 0;">
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<a href="${verificationUrl}"
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style="background-color: #4f46e5; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; display: inline-block;">
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Verify Email Address
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</a>
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</div>
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<p>Or copy and paste this link into your browser:</p>
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<p style="word-break: break-all; color: #6b7280;">${verificationUrl}</p>
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<p style="color: #6b7280; font-size: 14px;">This link will expire in 24 hours.</p>
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</div>
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`,
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text: `
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Verify Your Email - Medication Reminder
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Thank you for signing up! Please verify your email by visiting:
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${verificationUrl}
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This link will expire in 24 hours.
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`,
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};
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}
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private getPasswordResetEmailTemplate(resetUrl: string): EmailTemplate {
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return {
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subject: 'Reset Your Password - Medication Reminder',
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html: `
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<div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
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<h2 style="color: #4f46e5;">Reset Your Password</h2>
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<p>You requested to reset your password. Click the button below to set a new password:</p>
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<div style="text-align: center; margin: 30px 0;">
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<a href="${resetUrl}"
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style="background-color: #4f46e5; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; display: inline-block;">
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Reset Password
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</a>
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</div>
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<p>Or copy and paste this link into your browser:</p>
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<p style="word-break: break-all; color: #6b7280;">${resetUrl}</p>
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<p style="color: #6b7280; font-size: 14px;">This link will expire in 1 hour. If you didn't request this, please ignore this email.</p>
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</div>
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`,
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text: `
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Reset Your Password - Medication Reminder
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You requested to reset your password. Visit this link to set a new password:
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${resetUrl}
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This link will expire in 1 hour. If you didn't request this, please ignore this email.
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`,
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};
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}
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async sendEmail(to: string, template: EmailTemplate): Promise<boolean> {
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try {
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// In development mode or when Mailgun is not configured, just log the email
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if (isDevelopmentMode()) {
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console.log('📧 Mock Email Sent (Development Mode):', {
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to,
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subject: template.subject,
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from: `${this.config.fromName} <${this.config.fromEmail}>`,
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html: template.html,
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text: template.text,
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note: 'To enable real emails, configure Mailgun credentials in environment variables',
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});
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return true;
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}
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// Production Mailgun API call
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const formData = new FormData();
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formData.append(
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'from',
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`${this.config.fromName} <${this.config.fromEmail}>`
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);
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formData.append('to', to);
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formData.append('subject', template.subject);
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formData.append('html', template.html);
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if (template.text) {
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formData.append('text', template.text);
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}
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const response = await fetch(
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`${this.config.baseUrl}/${this.config.domain}/messages`,
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{
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method: 'POST',
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headers: {
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Authorization: `Basic ${btoa(`api:${this.config.apiKey}`)}`,
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},
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body: formData,
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}
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);
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if (!response.ok) {
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const errorText = await response.text();
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throw new Error(`Mailgun API error: ${response.status} - ${errorText}`);
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}
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const result = await response.json();
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console.log('📧 Email sent successfully via Mailgun:', {
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to,
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subject: template.subject,
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messageId: result.id,
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});
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return true;
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} catch (error) {
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console.error('Email sending failed:', error);
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return false;
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}
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}
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async sendVerificationEmail(email: string, token: string): Promise<boolean> {
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const baseUrl = process.env.APP_BASE_URL || 'http://localhost:5173';
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const verificationUrl = `${baseUrl}/verify-email?token=${token}`;
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const template = this.getVerificationEmailTemplate(verificationUrl);
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return this.sendEmail(email, template);
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}
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async sendPasswordResetEmail(email: string, token: string): Promise<boolean> {
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const baseUrl = process.env.APP_BASE_URL || 'http://localhost:5173';
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const resetUrl = `${baseUrl}/reset-password?token=${token}`;
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const template = this.getPasswordResetEmailTemplate(resetUrl);
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return this.sendEmail(email, template);
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}
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// Utility method to check if Mailgun is properly configured
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isConfigured(): boolean {
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return isMailgunConfigured();
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}
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// Get configuration status for debugging
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getConfigurationStatus(): {
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configured: boolean;
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mode: 'development' | 'production';
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domain: string;
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fromEmail: string;
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} {
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return {
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configured: isMailgunConfigured(),
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mode: isDevelopmentMode() ? 'development' : 'production',
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domain: this.config.domain,
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fromEmail: this.config.fromEmail,
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};
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}
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}
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export const mailgunService = new MailgunService();
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