feat: send email

email.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"os"
+
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/resendlabs/resend-go"
+)
+
+// sendEmailSuccessMsg is the tea.Msg handled by Bubble Tea when the email has
+// been sent successfully.
+type sendEmailSuccessMsg struct{}
+
+// sendEmailFailureMsg is the tea.Msg handled by Bubble Tea when the email has
+// failed to send.
+type sendEmailFailureMsg error
+
+// sendEmailCmd returns a tea.Cmd that sends the email.
+func (m Model) sendEmailCmd() tea.Cmd {
+	return func() tea.Msg {
+		attachments := make([]string, len(m.Attachments.Items()))
+		for i, a := range m.Attachments.Items() {
+			at, ok := a.(attachment)
+			if !ok {
+				continue
+			}
+			attachments[i] = string(at)
+		}
+		err := sendEmail(m.From.Value(), m.To.Value(), m.Subject.Value(), m.Body.Value(), attachments)
+		if err != nil {
+			return sendEmailFailureMsg(err)
+		}
+		return sendEmailSuccessMsg{}
+	}
+}
+
+func sendEmail(from, to, subject, body string, attachments []string) error {
+	client := resend.NewClient(os.Getenv(RESEND_API_KEY))
+
+	request := &resend.SendEmailRequest{
+		From:    from,
+		To:      []string{to},
+		Subject: subject,
+		Html:    body,
+	}
+
+	_, err := client.Emails.Send(request)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}