612 lines
25 KiB
Go
612 lines
25 KiB
Go
package services
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"sync"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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sender "github.com/koddr/go-email-sender"
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"github.com/patbritton/sojorn-backend/internal/config"
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"github.com/rs/zerolog/log"
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)
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type EmailService struct {
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config *config.Config
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pool *pgxpool.Pool
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token string
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tokenExpires time.Time
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mu sync.Mutex
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}
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func NewEmailService(cfg *config.Config, pool *pgxpool.Pool) *EmailService {
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return &EmailService{config: cfg, pool: pool}
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}
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type dbTemplate struct {
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Subject string
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Title string
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Header string
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Content string
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ButtonText string
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ButtonURL string
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ButtonColor string
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Footer string
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TextBody string
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Enabled bool
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}
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func (s *EmailService) getTemplate(slug string) *dbTemplate {
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if s.pool == nil {
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return nil
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}
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var t dbTemplate
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err := s.pool.QueryRow(context.Background(),
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`SELECT subject, title, header, content, button_text, button_url, button_color, footer, text_body, enabled
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FROM email_templates WHERE slug = $1`, slug).
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Scan(&t.Subject, &t.Title, &t.Header, &t.Content, &t.ButtonText, &t.ButtonURL, &t.ButtonColor, &t.Footer, &t.TextBody, &t.Enabled)
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if err != nil {
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log.Debug().Str("slug", slug).Err(err).Msg("Email template not found in DB, using hardcoded fallback")
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return nil
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}
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if !t.Enabled {
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log.Info().Str("slug", slug).Msg("Email template disabled, skipping send")
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return &t
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}
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return &t
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}
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func (s *EmailService) sendFromTemplate(slug string, replacements map[string]string, toEmail, toName string, fallback func() error) error {
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t := s.getTemplate(slug)
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if t == nil {
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return fallback()
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}
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if !t.Enabled {
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return nil
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}
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r := func(s string) string {
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for k, v := range replacements {
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s = strings.ReplaceAll(s, k, v)
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}
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return s
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}
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subject := r(t.Subject)
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title := r(t.Title)
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header := r(t.Header)
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content := r(t.Content)
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buttonText := r(t.ButtonText)
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buttonURL := r(t.ButtonURL)
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footer := r(t.Footer)
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textBody := r(t.TextBody)
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buttonColor := t.ButtonColor
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if buttonColor == "" {
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buttonColor = "#4338CA"
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}
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htmlBody := s.BuildHTMLEmailWithColor(title, header, content, buttonURL, buttonText, footer, buttonColor)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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}
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// SendPulse API Structs
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type sendPulseAuthResponse struct {
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AccessToken string `json:"access_token"`
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TokenType string `json:"token_type"`
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ExpiresIn int `json:"expires_in"`
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}
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type sendPulseEmailRequest struct {
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Email sendPulseEmailData `json:"email"`
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}
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type sendPulseEmailData struct {
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HTML string `json:"html"`
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Text string `json:"text"`
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Subject string `json:"subject"`
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From sendPulseIdentity `json:"from"`
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To []sendPulseIdentity `json:"to"`
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}
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type sendPulseIdentity struct {
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Name string `json:"name"`
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Email string `json:"email"`
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}
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func (s *EmailService) SendVerificationEmail(toEmail, toName, token string) error {
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apiBase := strings.TrimSuffix(s.config.APIBaseURL, "/api/v1")
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verifyURL := fmt.Sprintf("%s/api/v1/auth/verify?token=%s", apiBase, url.QueryEscape(token))
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name := toName
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if name == "" {
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name = "there"
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}
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return s.sendFromTemplate("verification", map[string]string{
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"{{name}}": name,
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"{{verify_url}}": verifyURL,
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}, toEmail, toName, func() error {
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subject := "Verify your Sojorn account"
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title := "Email Verification"
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header := fmt.Sprintf("Hey %s!", name)
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content := `
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<p>Welcome to Sojorn — your vibrant new social space. We're thrilled to have you join our community!</p>
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<p>To get started in the app, please verify your email address by clicking the button below:</p>
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`
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footer := fmt.Sprintf(`
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<table role="presentation" width="100%%" cellpadding="0" cellspacing="0" style="margin-top: 24px;">
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<tr><td style="background: #F9FAFB; border-radius: 8px; padding: 16px;">
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<p style="font-size: 13px; color: #9CA3AF; margin: 0 0 8px 0;">If the button above doesn't work, copy and paste this link into your browser:</p>
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<a href="%s" style="color: #4338CA; text-decoration: underline; word-break: break-all; font-size: 13px;">%s</a>
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</td></tr>
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</table>
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`, verifyURL, verifyURL)
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htmlBody := s.buildHTMLEmail(title, header, content, verifyURL, "Verify My Email", footer)
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textBody := fmt.Sprintf("Welcome to Sojorn!\n\nPlease verify your email by visiting this link:\n\n%s\n\nIf you did not create an account, you can ignore this email.", verifyURL)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) SendPasswordResetEmail(toEmail, toName, token string) error {
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resetURL := fmt.Sprintf("%s/reset-password?token=%s", s.config.AppBaseURL, url.QueryEscape(token))
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return s.sendFromTemplate("password_reset", map[string]string{
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"{{name}}": toName,
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"{{reset_url}}": resetURL,
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}, toEmail, toName, func() error {
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subject := "Reset your Sojorn password"
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title := "Password Reset"
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header := "Reset your password"
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content := fmt.Sprintf(`
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<p>Hey %s,</p>
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<p>You requested a password reset for your Sojorn account. Click the button below to set a new password:</p>
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`, toName)
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footer := fmt.Sprintf(`
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<table role="presentation" width="100%%" cellpadding="0" cellspacing="0" style="margin-top: 24px;">
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<tr><td style="background: #F9FAFB; border-radius: 8px; padding: 16px;">
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<p style="font-size: 13px; color: #9CA3AF; margin: 0 0 8px 0;">If the button doesn't work, copy and paste this link:</p>
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<a href="%s" style="color: #4338CA; text-decoration: underline; word-break: break-all; font-size: 13px;">%s</a>
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</td></tr>
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</table>
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<p style="color: #9CA3AF; font-size: 12px; margin-top: 16px;">This link expires in 1 hour. If you did not request this, you can safely ignore this email.</p>
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`, resetURL, resetURL)
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htmlBody := s.buildHTMLEmail(title, header, content, resetURL, "Reset Password", footer)
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textBody := fmt.Sprintf("Reset your Sojorn password by visiting this link:\n\n%s\n\nThis link expires in 1 hour.", resetURL)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) sendEmail(toEmail, toName, subject, htmlBody, textBody string) error {
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// Prefer SendPulse API
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if s.config.SendPulseID != "" && s.config.SendPulseSecret != "" {
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return s.sendViaSendPulse(toEmail, toName, subject, htmlBody, textBody)
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}
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// Fallback to Sender.net API (if configured)
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if s.config.SenderAPIToken != "" {
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log.Warn().Msg("Using deprecated Sender.net API token, consider migrating to SendPulse")
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// Implementation omitted/deprecated to simplify
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}
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if s.config.SMTPHost == "" || s.config.SMTPUser == "" {
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log.Warn().Msg("SMTP not configured, skipping email send")
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return nil
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}
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// SMTP Fallback
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emailSender := sender.NewEmailSender(
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s.config.SMTPUser,
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s.config.SMTPPass,
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s.config.SMTPHost,
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s.config.SMTPPort,
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)
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// SMTP Fallback - Send HTML email
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err := emailSender.SendHTMLEmail(
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"Sojorn", // from name
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[]string{toEmail}, // recipients
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nil, // cc
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subject, // subject
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htmlBody, // html body
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nil, // attachments
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)
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if err != nil {
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log.Error().Err(err).Msg("Failed to send email via SMTP")
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return err
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}
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log.Info().Msgf("Email sent to %s via SMTP", toEmail)
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return nil
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}
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func (s *EmailService) getSendPulseToken() (string, error) {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.token != "" && time.Now().Before(s.tokenExpires) {
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return s.token, nil
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}
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url := "https://api.sendpulse.com/oauth/access_token"
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payload := map[string]string{
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"grant_type": "client_credentials",
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"client_id": s.config.SendPulseID,
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"client_secret": s.config.SendPulseSecret,
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}
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jsonData, _ := json.Marshal(payload)
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resp, err := http.Post(url, "application/json", bytes.NewBuffer(jsonData))
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if err != nil {
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return "", err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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body, _ := io.ReadAll(resp.Body)
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log.Error().Str("body", string(body)).Int("status", resp.StatusCode).Msg("Failed to get SendPulse Token")
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return "", fmt.Errorf("failed to auth sendpulse: %d", resp.StatusCode)
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}
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var authResp sendPulseAuthResponse
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if err := json.NewDecoder(resp.Body).Decode(&authResp); err != nil {
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return "", err
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}
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s.token = authResp.AccessToken
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s.tokenExpires = time.Now().Add(time.Duration(authResp.ExpiresIn-60) * time.Second) // Buffer 60s
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log.Info().Msg("Authenticated with SendPulse")
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return s.token, nil
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}
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func (s *EmailService) sendViaSendPulse(toEmail, toName, subject, htmlBody, textBody string) error {
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token, err := s.getSendPulseToken()
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if err != nil {
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return err
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}
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url := "https://api.sendpulse.com/smtp/emails"
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// Determine correct FROM email
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fromEmail := s.config.SMTPFrom
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if fromEmail == "" {
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fromEmail = "no-reply@sojorn.net"
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}
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reqBody := sendPulseEmailRequest{
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Email: sendPulseEmailData{
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HTML: htmlBody,
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Text: textBody,
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Subject: subject,
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From: sendPulseIdentity{
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Name: "Sojorn",
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Email: fromEmail,
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},
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To: []sendPulseIdentity{
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{Name: toName, Email: toEmail},
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},
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},
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}
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jsonData, _ := json.Marshal(reqBody)
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req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonData))
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if err != nil {
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return err
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}
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req.Header.Set("Authorization", "Bearer "+token)
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req.Header.Set("Content-Type", "application/json")
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client := &http.Client{Timeout: 10 * time.Second}
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resp, err := client.Do(req)
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if err != nil {
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log.Error().Err(err).Msg("Failed to call SendPulse API")
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return err
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}
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defer resp.Body.Close()
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bodyBytes, _ := io.ReadAll(resp.Body)
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if resp.StatusCode >= 400 {
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log.Error().Int("status", resp.StatusCode).Str("body", string(bodyBytes)).Msg("SendPulse API Error")
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// If 401, maybe token expired? Reset token and retry once?
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if resp.StatusCode == 401 {
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s.mu.Lock()
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s.token = ""
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s.mu.Unlock()
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// Simple retry logic could be added here
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}
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return fmt.Errorf("sendpulse error: %s", string(bodyBytes))
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}
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log.Info().Msgf("Email sent to %s via SendPulse", toEmail)
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return nil
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}
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func (s *EmailService) SendBanNotificationEmail(toEmail, toName, reason string) error {
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return s.sendFromTemplate("ban_notification", map[string]string{
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"{{name}}": toName,
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"{{reason}}": reason,
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}, toEmail, toName, func() error {
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subject := "Your Sojorn account has been suspended"
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title := "Account Suspended"
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header := "Your account has been suspended"
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content := fmt.Sprintf(`
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<p>Hi %s,</p>
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<p>After a review of your recent activity, your Sojorn account has been <strong>permanently suspended</strong> for violating our <a href="https://mp.ls/terms" style="color: #4338CA;">Community Guidelines</a>.</p>
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<p style="background: #FEF2F2; border-left: 4px solid #EF4444; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
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<strong>Reason:</strong> %s
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</p>
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<p>If you believe this action was taken in error, you can submit an appeal.</p>
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`, toName, reason)
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appealURL := "mailto:appeals@sojorn.net?subject=Account%%20Appeal"
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footer := `<p style="color: #9CA3AF; font-size: 12px; margin-top: 16px;">You can also reply directly to this email to submit your appeal.</p>`
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htmlBody := s.buildHTMLEmail(title, header, content, appealURL, "Submit an Appeal", footer)
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textBody := fmt.Sprintf("Hi %s,\n\nYour Sojorn account has been permanently suspended.\n\nReason: %s\n\nIf you believe this was in error, reply to this email or contact appeals@sojorn.net.\n\n— The Sojorn Team", toName, reason)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) SendSuspensionNotificationEmail(toEmail, toName, reason, duration string) error {
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return s.sendFromTemplate("suspension_notification", map[string]string{
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"{{name}}": toName,
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"{{reason}}": reason,
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"{{duration}}": duration,
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}, toEmail, toName, func() error {
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subject := "Your Sojorn account has been temporarily suspended"
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title := "Account Temporarily Suspended"
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header := "Your account has been temporarily suspended"
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content := fmt.Sprintf(`
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<p>Hi %s,</p>
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<p>Your Sojorn account has been <strong>temporarily suspended for %s</strong> due to a violation of our <a href="https://mp.ls/terms" style="color: #4338CA;">Community Guidelines</a>.</p>
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<p style="background: #FFFBEB; border-left: 4px solid #F59E0B; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
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<strong>Reason:</strong> %s
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</p>
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<p>Your account will be automatically restored after the suspension period.</p>
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`, toName, duration, reason)
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htmlBody := s.buildHTMLEmail(title, header, content, "https://mp.ls/terms", "Review Community Guidelines", "")
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textBody := fmt.Sprintf("Hi %s,\n\nYour Sojorn account has been temporarily suspended for %s.\n\nReason: %s\n\nYour account will be restored after the suspension period.\n\n— The Sojorn Team", toName, duration, reason)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) SendAccountRestoredEmail(toEmail, toName, reason string) error {
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return s.sendFromTemplate("account_restored", map[string]string{
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"{{name}}": toName,
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"{{reason}}": reason,
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}, toEmail, toName, func() error {
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subject := "Your Sojorn account has been restored"
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title := "Account Restored"
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header := "Welcome back!"
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content := fmt.Sprintf(`
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<p>Hi %s,</p>
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<p>Great news — your Sojorn account has been <strong>restored</strong> and is fully active again.</p>
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<p style="background: #F0FDF4; border-left: 4px solid #22C55E; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
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<strong>Note:</strong> %s
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</p>
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<p>All of your previous posts and comments have been restored and are visible again.</p>
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`, toName, reason)
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htmlBody := s.buildHTMLEmail(title, header, content, "https://mp.ls/sojorn", "Open Sojorn", "")
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textBody := fmt.Sprintf("Hi %s,\n\nYour Sojorn account has been restored and is fully active again.\n\nNote: %s\n\nAll of your posts and comments are visible again.\n\n— The Sojorn Team", toName, reason)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) SendDeactivationEmail(toEmail, toName string) error {
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return s.sendFromTemplate("deactivation", map[string]string{
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"{{name}}": toName,
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}, toEmail, toName, func() error {
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subject := "Your Sojorn account has been deactivated"
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title := "Account Deactivated"
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header := "Your account has been deactivated"
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content := fmt.Sprintf(`
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<p>Hey %s,</p>
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<p>Your Sojorn account has been deactivated. Your profile is now hidden from other users.</p>
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<ul style="text-align: left; color: #4B5563;">
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<li>Your profile, posts, and connections are hidden but <strong>fully preserved</strong></li>
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<li>No one can see your account while it is deactivated</li>
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<li>You can reactivate at any time simply by <strong>logging back in</strong></li>
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</ul>
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`, toName)
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htmlBody := s.buildHTMLEmail(title, header, content, "https://mp.ls/sojorn", "Log In to Reactivate", "")
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textBody := fmt.Sprintf("Hey %s,\n\nYour Sojorn account has been deactivated. Your profile is now hidden.\n\nLog back in at any time to reactivate.\n\n— The Sojorn Team", toName)
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return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
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})
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}
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func (s *EmailService) SendDeletionScheduledEmail(toEmail, toName, deletionDate string) error {
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return s.sendFromTemplate("deletion_scheduled", map[string]string{
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"{{name}}": toName,
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"{{deletion_date}}": deletionDate,
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}, toEmail, toName, func() error {
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subject := "Your Sojorn account is scheduled for deletion"
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title := "Account Deletion Scheduled"
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header := "Your account is scheduled for deletion"
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content := fmt.Sprintf(`
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<p>Hey %s,</p>
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<p>Your Sojorn account has been scheduled for <strong>permanent deletion on %s</strong>.</p>
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<ul style="text-align: left; color: #4B5563;">
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<li>Your account is immediately deactivated and hidden</li>
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<li>On <strong>%s</strong>, all data will be permanently destroyed</li>
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<li>This includes posts, messages, encryption keys, profile, followers, and your handle</li>
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</ul>
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<p style="background: #F0FDF4; border-left: 4px solid #22C55E; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
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<strong>Changed your mind?</strong> Simply log back in before %s to cancel.
|
|
</p>
|
|
`, toName, deletionDate, deletionDate, deletionDate)
|
|
|
|
htmlBody := s.buildHTMLEmail(title, header, content, "https://mp.ls/sojorn", "Log In to Cancel Deletion", "")
|
|
textBody := fmt.Sprintf("Hey %s,\n\nYour Sojorn account has been scheduled for permanent deletion on %s.\n\nLog back in before %s to cancel.\n\n— The Sojorn Team", toName, deletionDate, deletionDate)
|
|
return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
|
|
})
|
|
}
|
|
|
|
func (s *EmailService) SendDestroyConfirmationEmail(toEmail, toName, confirmURL string) error {
|
|
return s.sendFromTemplate("destroy_confirmation", map[string]string{
|
|
"{{name}}": toName,
|
|
"{{confirm_url}}": confirmURL,
|
|
}, toEmail, toName, func() error {
|
|
subject := "FINAL WARNING: Confirm Permanent Account Destruction"
|
|
title := "Account Destruction"
|
|
header := "Confirm account destruction"
|
|
content := fmt.Sprintf(`
|
|
<p>Hey %s,</p>
|
|
<p>You requested <strong>immediate and permanent destruction</strong> of your Sojorn account.</p>
|
|
<p style="background: #FEF2F2; border-left: 4px solid #DC2626; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
|
|
<strong>THIS ACTION IS IRREVERSIBLE</strong>
|
|
</p>
|
|
<ul style="text-align: left; color: #4B5563;">
|
|
<li>All your posts, comments, and media will be permanently deleted</li>
|
|
<li>All your messages and encryption keys will be destroyed</li>
|
|
<li>Your profile, followers, and social connections will be erased</li>
|
|
<li>Your handle will be released and cannot be reclaimed</li>
|
|
<li><strong>There is no recovery. No backup. No undo.</strong></li>
|
|
</ul>
|
|
<p>If you are absolutely certain, click the button below.</p>
|
|
`, toName)
|
|
|
|
footer := `<p style="color: #9CA3AF; font-size: 13px; margin-top: 16px;">This link expires in 1 hour. If you did not request this, ignore this email.</p>`
|
|
htmlBody := s.BuildHTMLEmailWithColor(title, header, content, confirmURL, "PERMANENTLY DESTROY MY ACCOUNT", footer, "#DC2626")
|
|
textBody := fmt.Sprintf("FINAL WARNING\n\nHey %s,\n\nYou requested IMMEDIATE AND PERMANENT DESTRUCTION of your Sojorn account.\n\nTo confirm, visit:\n%s\n\nThis link expires in 1 hour.\n\n— The Sojorn Team", toName, confirmURL)
|
|
return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
|
|
})
|
|
}
|
|
|
|
func (s *EmailService) SendContentRemovalEmail(toEmail, toName, contentType, reason string, strikeCount int) error {
|
|
strikeWarning := ""
|
|
if strikeCount >= 5 {
|
|
strikeWarning = `<p style="background: #FEF2F2; border-left: 4px solid #EF4444; padding: 12px 16px; border-radius: 4px; margin: 16px 0;"><strong>Warning:</strong> You are close to a permanent suspension.</p>`
|
|
} else if strikeCount >= 3 {
|
|
strikeWarning = `<p style="background: #FFFBEB; border-left: 4px solid #F59E0B; padding: 12px 16px; border-radius: 4px; margin: 16px 0;"><strong>Warning:</strong> Continued violations may result in suspension.</p>`
|
|
}
|
|
|
|
return s.sendFromTemplate("content_removal", map[string]string{
|
|
"{{name}}": toName,
|
|
"{{content_type}}": contentType,
|
|
"{{reason}}": reason,
|
|
"{{strike_count}}": fmt.Sprintf("%d", strikeCount),
|
|
"{{strike_warning}}": strikeWarning,
|
|
}, toEmail, toName, func() error {
|
|
subject := fmt.Sprintf("Your %s on Sojorn was removed", contentType)
|
|
title := "Content Removed"
|
|
header := fmt.Sprintf("Your %s has been removed", contentType)
|
|
|
|
content := fmt.Sprintf(`
|
|
<p>Hi %s,</p>
|
|
<p>One of your %ss has been removed by our moderation team for violating our <a href="https://mp.ls/terms" style="color: #4338CA;">Community Guidelines</a>.</p>
|
|
<p style="background: #FEF2F2; border-left: 4px solid #EF4444; padding: 12px 16px; border-radius: 4px; margin: 16px 0;">
|
|
<strong>Reason:</strong> %s
|
|
</p>
|
|
<p>This is <strong>strike %d</strong> on your account.</p>
|
|
%s
|
|
<p>If you believe this was in error, you can reply to this email.</p>
|
|
`, toName, contentType, reason, strikeCount, strikeWarning)
|
|
|
|
htmlBody := s.buildHTMLEmail(title, header, content, "https://mp.ls/terms", "Review Community Guidelines", "")
|
|
textBody := fmt.Sprintf("Hi %s,\n\nYour %s has been removed.\n\nReason: %s\nStrike %d on your account.\n\n— The Sojorn Team", toName, contentType, reason, strikeCount)
|
|
return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
|
|
})
|
|
}
|
|
|
|
// SendGenericEmail sends an email with pre-built HTML and text bodies
|
|
func (s *EmailService) SendGenericEmail(toEmail, toName, subject, htmlBody, textBody string) error {
|
|
return s.sendEmail(toEmail, toName, subject, htmlBody, textBody)
|
|
}
|
|
|
|
func (s *EmailService) AddSubscriber(email, name string) {
|
|
}
|
|
|
|
func (s *EmailService) buildHTMLEmail(title, header, content, buttonURL, buttonText, footer string) string {
|
|
return s.BuildHTMLEmailWithColor(title, header, content, buttonURL, buttonText, footer, "#4338CA")
|
|
}
|
|
|
|
func (s *EmailService) BuildHTMLEmailWithColor(title, header, content, buttonURL, buttonText, footer, buttonColor string) string {
|
|
tpl := `<!DOCTYPE html>
|
|
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
<meta name="x-apple-disable-message-reformatting">
|
|
<title>{{TITLE}}</title>
|
|
<!--[if mso]>
|
|
<noscript><xml><o:OfficeDocumentSettings><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml></noscript>
|
|
<![endif]-->
|
|
<style>
|
|
body, table, td, a { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
|
|
table, td { mso-table-lspace: 0pt; mso-table-rspace: 0pt; }
|
|
img { -ms-interpolation-mode: bicubic; border: 0; height: auto; line-height: 100%; outline: none; text-decoration: none; }
|
|
body { margin: 0; padding: 0; width: 100% !important; }
|
|
a[x-apple-data-detectors] { color: inherit !important; text-decoration: none !important; font-size: inherit !important; font-family: inherit !important; font-weight: inherit !important; line-height: inherit !important; }
|
|
</style>
|
|
</head>
|
|
<body style="font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; margin: 0; padding: 0; background-color: #F3F4F6; width: 100%;">
|
|
<table role="presentation" width="100%" cellpadding="0" cellspacing="0" style="background-color: #F3F4F6;">
|
|
<tr><td style="padding: 40px 20px;">
|
|
<table role="presentation" width="520" cellpadding="0" cellspacing="0" align="center" style="max-width: 520px; margin: 0 auto; background-color: #ffffff; border-radius: 16px; overflow: hidden;">
|
|
<!-- Header -->
|
|
<tr><td style="background-color: #4338CA; padding: 40px; text-align: center;">
|
|
<img src="https://mp.ls/img/sojornlogo.png" alt="Sojorn" width="80" height="80" style="width: 80px; height: 80px; border-radius: 20px; margin-bottom: 16px; display: block; margin-left: auto; margin-right: auto;">
|
|
<p style="color: #ffffff; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin: 0;">{{TITLE}}</p>
|
|
</td></tr>
|
|
|
|
<!-- Content -->
|
|
<tr><td style="padding: 40px; text-align: center; color: #374151;">
|
|
<h1 style="color: #1F2937; font-size: 24px; font-weight: 700; margin: 0 0 16px 0;">{{HEADER}}</h1>
|
|
<div style="font-size: 16px; line-height: 1.6; color: #4B5563; margin-bottom: 32px; text-align: left;">
|
|
{{CONTENT}}
|
|
</div>
|
|
|
|
<!-- Button (table-based for Outlook) -->
|
|
<table role="presentation" cellpadding="0" cellspacing="0" align="center" style="margin: 0 auto;">
|
|
<tr><td style="background-color: {{BUTTON_COLOR}}; border-radius: 12px; text-align: center;">
|
|
<a href="{{BUTTON_URL}}" target="_blank" style="display: block; padding: 16px 40px; color: #ffffff; text-decoration: none; font-weight: 600; font-size: 16px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;">{{BUTTON_TEXT}}</a>
|
|
</td></tr>
|
|
</table>
|
|
|
|
{{FOOTER}}
|
|
</td></tr>
|
|
|
|
<!-- Footer -->
|
|
<tr><td style="padding: 32px; text-align: center; background-color: #F9FAFB; border-top: 1px solid #E5E7EB;">
|
|
<p style="font-size: 12px; color: #9CA3AF; margin: 0 0 8px 0;">© 2026 Sojorn by MPLS LLC. All rights reserved.</p>
|
|
<p style="font-size: 12px; color: #9CA3AF; margin: 0;">
|
|
<a href="https://mp.ls/sojorn" style="color: #9CA3AF; text-decoration: none;">Website</a> •
|
|
<a href="https://mp.ls/privacy" style="color: #9CA3AF; text-decoration: none;">Privacy</a> •
|
|
<a href="https://mp.ls/terms" style="color: #9CA3AF; text-decoration: none;">Terms</a>
|
|
</p>
|
|
</td></tr>
|
|
</table>
|
|
</td></tr>
|
|
</table>
|
|
</body>
|
|
</html>`
|
|
|
|
r := strings.NewReplacer(
|
|
"{{TITLE}}", title,
|
|
"{{HEADER}}", header,
|
|
"{{CONTENT}}", content,
|
|
"{{BUTTON_COLOR}}", buttonColor,
|
|
"{{BUTTON_URL}}", buttonURL,
|
|
"{{BUTTON_TEXT}}", buttonText,
|
|
"{{FOOTER}}", footer,
|
|
)
|
|
return r.Replace(tpl)
|
|
}
|