1f12f3f62a
Complete rewrite of Django REST API to Go with: - Gin web framework for HTTP routing - GORM for database operations - GoAdmin for admin panel - Gorush integration for push notifications - Redis for caching and job queues Features implemented: - User authentication (login, register, logout, password reset) - Residence management (CRUD, sharing, share codes) - Task management (CRUD, kanban board, completions) - Contractor management (CRUD, specialties) - Document management (CRUD, warranties) - Notifications (preferences, push notifications) - Subscription management (tiers, limits) Infrastructure: - Docker Compose for local development - Database migrations and seed data - Admin panel for data management 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
306 lines
9.0 KiB
Go
306 lines
9.0 KiB
Go
package services
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import (
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"bytes"
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"fmt"
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"html/template"
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"time"
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"github.com/rs/zerolog/log"
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"gopkg.in/gomail.v2"
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"github.com/treytartt/mycrib-api/internal/config"
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)
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// EmailService handles sending emails
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type EmailService struct {
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cfg *config.EmailConfig
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dialer *gomail.Dialer
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}
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// NewEmailService creates a new email service
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func NewEmailService(cfg *config.EmailConfig) *EmailService {
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dialer := gomail.NewDialer(cfg.Host, cfg.Port, cfg.User, cfg.Password)
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return &EmailService{
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cfg: cfg,
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dialer: dialer,
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}
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}
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// SendEmail sends an email
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func (s *EmailService) SendEmail(to, subject, htmlBody, textBody string) error {
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m := gomail.NewMessage()
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m.SetHeader("From", s.cfg.From)
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m.SetHeader("To", to)
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m.SetHeader("Subject", subject)
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m.SetBody("text/plain", textBody)
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m.AddAlternative("text/html", htmlBody)
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if err := s.dialer.DialAndSend(m); err != nil {
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log.Error().Err(err).Str("to", to).Str("subject", subject).Msg("Failed to send email")
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return fmt.Errorf("failed to send email: %w", err)
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}
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log.Info().Str("to", to).Str("subject", subject).Msg("Email sent successfully")
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return nil
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}
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// SendWelcomeEmail sends a welcome email with verification code
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func (s *EmailService) SendWelcomeEmail(to, firstName, code string) error {
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subject := "Welcome to MyCrib - Verify Your Email"
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name := firstName
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if name == "" {
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name = "there"
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}
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htmlBody := fmt.Sprintf(`
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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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<style>
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body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.header { text-align: center; padding: 20px 0; }
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.code { background: #f4f4f4; padding: 20px; text-align: center; font-size: 32px; font-weight: bold; letter-spacing: 8px; border-radius: 8px; margin: 20px 0; }
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.footer { text-align: center; color: #666; font-size: 12px; margin-top: 40px; }
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</style>
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</head>
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<body>
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<div class="container">
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<div class="header">
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<h1>Welcome to MyCrib!</h1>
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</div>
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<p>Hi %s,</p>
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<p>Thank you for creating a MyCrib account. To complete your registration, please verify your email address by entering the following code:</p>
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<div class="code">%s</div>
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<p>This code will expire in 24 hours.</p>
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<p>If you didn't create a MyCrib account, you can safely ignore this email.</p>
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<p>Best regards,<br>The MyCrib Team</p>
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<div class="footer">
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<p>© %d MyCrib. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>
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`, name, code, time.Now().Year())
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textBody := fmt.Sprintf(`
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Welcome to MyCrib!
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Hi %s,
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Thank you for creating a MyCrib account. To complete your registration, please verify your email address by entering the following code:
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%s
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This code will expire in 24 hours.
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If you didn't create a MyCrib account, you can safely ignore this email.
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Best regards,
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The MyCrib Team
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`, name, code)
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return s.SendEmail(to, subject, htmlBody, textBody)
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}
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// SendVerificationEmail sends an email verification code
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func (s *EmailService) SendVerificationEmail(to, firstName, code string) error {
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subject := "MyCrib - Verify Your Email"
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name := firstName
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if name == "" {
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name = "there"
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}
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htmlBody := fmt.Sprintf(`
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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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<style>
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body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.code { background: #f4f4f4; padding: 20px; text-align: center; font-size: 32px; font-weight: bold; letter-spacing: 8px; border-radius: 8px; margin: 20px 0; }
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.footer { text-align: center; color: #666; font-size: 12px; margin-top: 40px; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Verify Your Email</h1>
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<p>Hi %s,</p>
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<p>Please use the following code to verify your email address:</p>
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<div class="code">%s</div>
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<p>This code will expire in 24 hours.</p>
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<p>If you didn't request this, you can safely ignore this email.</p>
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<p>Best regards,<br>The MyCrib Team</p>
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<div class="footer">
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<p>© %d MyCrib. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>
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`, name, code, time.Now().Year())
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textBody := fmt.Sprintf(`
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Verify Your Email
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Hi %s,
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Please use the following code to verify your email address:
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%s
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This code will expire in 24 hours.
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If you didn't request this, you can safely ignore this email.
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Best regards,
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The MyCrib Team
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`, name, code)
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return s.SendEmail(to, subject, htmlBody, textBody)
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}
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// SendPasswordResetEmail sends a password reset email
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func (s *EmailService) SendPasswordResetEmail(to, firstName, code string) error {
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subject := "MyCrib - Password Reset Request"
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name := firstName
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if name == "" {
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name = "there"
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}
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htmlBody := fmt.Sprintf(`
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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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<style>
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body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.code { background: #f4f4f4; padding: 20px; text-align: center; font-size: 32px; font-weight: bold; letter-spacing: 8px; border-radius: 8px; margin: 20px 0; }
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.warning { background: #fff3cd; border: 1px solid #ffc107; padding: 15px; border-radius: 8px; margin: 20px 0; }
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.footer { text-align: center; color: #666; font-size: 12px; margin-top: 40px; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Password Reset Request</h1>
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<p>Hi %s,</p>
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<p>We received a request to reset your password. Use the following code to complete the reset:</p>
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<div class="code">%s</div>
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<p>This code will expire in 15 minutes.</p>
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<div class="warning">
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<strong>Security Notice:</strong> If you didn't request a password reset, please ignore this email. Your password will remain unchanged.
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</div>
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<p>Best regards,<br>The MyCrib Team</p>
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<div class="footer">
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<p>© %d MyCrib. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>
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`, name, code, time.Now().Year())
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textBody := fmt.Sprintf(`
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Password Reset Request
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Hi %s,
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We received a request to reset your password. Use the following code to complete the reset:
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%s
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This code will expire in 15 minutes.
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SECURITY NOTICE: If you didn't request a password reset, please ignore this email. Your password will remain unchanged.
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Best regards,
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The MyCrib Team
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`, name, code)
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return s.SendEmail(to, subject, htmlBody, textBody)
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}
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// SendPasswordChangedEmail sends a password changed confirmation email
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func (s *EmailService) SendPasswordChangedEmail(to, firstName string) error {
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subject := "MyCrib - Your Password Has Been Changed"
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name := firstName
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if name == "" {
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name = "there"
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}
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htmlBody := fmt.Sprintf(`
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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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<style>
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body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; }
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.container { max-width: 600px; margin: 0 auto; padding: 20px; }
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.warning { background: #fff3cd; border: 1px solid #ffc107; padding: 15px; border-radius: 8px; margin: 20px 0; }
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.footer { text-align: center; color: #666; font-size: 12px; margin-top: 40px; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Password Changed</h1>
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<p>Hi %s,</p>
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<p>Your MyCrib password was successfully changed on %s.</p>
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<div class="warning">
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<strong>Didn't make this change?</strong> If you didn't change your password, please contact us immediately at support@mycrib.com or reset your password.
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</div>
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<p>Best regards,<br>The MyCrib Team</p>
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<div class="footer">
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<p>© %d MyCrib. All rights reserved.</p>
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</div>
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</div>
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</body>
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</html>
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`, name, time.Now().UTC().Format("January 2, 2006 at 3:04 PM UTC"), time.Now().Year())
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textBody := fmt.Sprintf(`
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Password Changed
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Hi %s,
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Your MyCrib password was successfully changed on %s.
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DIDN'T MAKE THIS CHANGE? If you didn't change your password, please contact us immediately at support@mycrib.com or reset your password.
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Best regards,
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The MyCrib Team
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`, name, time.Now().UTC().Format("January 2, 2006 at 3:04 PM UTC"))
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return s.SendEmail(to, subject, htmlBody, textBody)
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}
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// EmailTemplate represents an email template
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type EmailTemplate struct {
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name string
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template *template.Template
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}
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// ParseTemplate parses an email template from a string
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func ParseTemplate(name, tmpl string) (*EmailTemplate, error) {
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t, err := template.New(name).Parse(tmpl)
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if err != nil {
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return nil, err
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}
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return &EmailTemplate{name: name, template: t}, nil
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}
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// Execute executes the template with the given data
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func (t *EmailTemplate) Execute(data interface{}) (string, error) {
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var buf bytes.Buffer
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if err := t.template.Execute(&buf, data); err != nil {
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return "", err
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}
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return buf.String(), nil
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}
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