60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
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package service
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import (
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"accounting-app/internal/config"
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"fmt"
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"net/smtp"
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)
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// EmailService handles email notifications
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type EmailService struct {
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host string
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port int
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username string
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password string
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from string
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enabled bool
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}
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// NewEmailService creates a new EmailService instance
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func NewEmailService(cfg *config.Config) *EmailService {
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if cfg.SMTPHost == "" || cfg.SMTPUser == "" {
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return &EmailService{enabled: false}
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}
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return &EmailService{
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host: cfg.SMTPHost,
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port: cfg.SMTPPort,
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username: cfg.SMTPUser,
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password: cfg.SMTPPassword,
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from: cfg.SMTPFrom,
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enabled: true,
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}
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}
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// SendAllocationNotification sends an email notification for auto allocation
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func (s *EmailService) SendAllocationNotification(to string, amount float64, ruleName string) error {
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if !s.enabled || to == "" {
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return nil
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}
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subject := "Auto Allocation Executed"
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body := fmt.Sprintf("Your automatic allocation rule '%s' has been executed.\nAmount: %.2f", ruleName, amount)
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// Simple text email
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msg := []byte(fmt.Sprintf("To: %s\r\n"+
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"From: %s\r\n"+
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"Subject: %s\r\n"+
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"Content-Type: text/plain; charset=UTF-8\r\n"+
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"\r\n"+
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"%s\r\n", to, s.from, subject, body))
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auth := smtp.PlainAuth("", s.username, s.password, s.host)
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addr := fmt.Sprintf("%s:%d", s.host, s.port)
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if err := smtp.SendMail(addr, auth, s.from, []string{to}, msg); err != nil {
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return fmt.Errorf("failed to send email: %w", err)
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}
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return nil
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}
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