email collection

cmd/welcome/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"errors"
 	"fmt"
+	"net/mail"
 	"os"
 	"regexp"
 	"strings"
@@ -80,6 +81,27 @@ func promptUsername(townData stats.TildeData) (un string, err error) {
 	return "", nil
 }
 
+func promptEmail(defaultEmail string) (email string, err error) {
+	emailPrompt := &survey.Input{
+		Message: "e-mail (for account recovery only)?",
+		Default: defaultEmail,
+	}
+	err = survey.AskOne(emailPrompt, &email,
+		survey.WithValidator(survey.Required),
+		survey.WithIcons(surveyIconSet),
+		survey.WithValidator(func(val interface{}) error {
+			email := val.(string)
+			_, err := mail.ParseAddress(email)
+			if err != nil {
+				return fmt.Errorf("could not understand that email: %w", err)
+			}
+
+			return nil
+		}))
+
+	return "", nil
+}
+
 func _main() error {
 	townData, err := stats.Stats()
 	if err != nil {
@@ -125,8 +147,11 @@ func _main() error {
 		return err
 	}
 
-	// TODO collect username
+	data.Email, err = promptEmail(invite.Email)
-	// TODO collect email
+	if err != nil {
+		return err
+	}
+
 	// TODO collect public key
 	// TODO have enough to make account; can now do that
 	// TODO assuming account creation succeeded, mark invite as used