DXCDT-323: Allow updating an email template when it does not exist

internal/auth0/email_template.go

@@ -3,6 +3,11 @@ package auth0
 import "github.com/auth0/go-auth0/management"
 
 type EmailTemplateAPI interface {
+	// Create an email template.
+	//
+	// See: https://auth0.com/docs/api/management/v2#!/Email_Templates/post_email_templates
+	Create(template *management.EmailTemplate, opts ...management.RequestOption) error
+
 	// Read an email template by pre-defined name.
 	//
 	// These names are `verify_email`, `reset_email`, `welcome_email`,

internal/cli/email_templates.go

@@ -2,11 +2,13 @@ package cli
 
 import (
 	"fmt"
+	"net/http"
 
 	"github.com/auth0/go-auth0/management"
 	"github.com/spf13/cobra"
 
 	"github.com/auth0/auth0-cli/internal/ansi"
+	"github.com/auth0/auth0-cli/internal/auth0"
 	"github.com/auth0/auth0-cli/internal/prompt"
 )
 
@@ -133,13 +135,11 @@ func showEmailTemplateCmd(cli *cli) *cobra.Command {
 			}
 
 			var email *management.EmailTemplate
-
-			if err := ansi.Waiting(func() error {
-				var err error
+			if err := ansi.Waiting(func() (err error) {
 				email, err = cli.api.EmailTemplate.Read(apiEmailTemplateFor(inputs.Template))
 				return err
 			}); err != nil {
-				return fmt.Errorf("Unable to get the email template '%s': %w", inputs.Template, err)
+				return fmt.Errorf("failed to get the email template '%s': %w", inputs.Template, err)
 			}
 
 			cli.renderer.EmailTemplateShow(email)
@@ -192,12 +192,30 @@ func updateEmailTemplateCmd(cli *cli) *cobra.Command {
 			}
 
 			var oldTemplate *management.EmailTemplate
+			templateExists := true
 			err := ansi.Waiting(func() (err error) {
 				oldTemplate, err = cli.api.EmailTemplate.Read(apiEmailTemplateFor(inputs.Template))
 				return err
 			})
 			if err != nil {
-				return fmt.Errorf("failed to get the email template '%s': %w", inputs.Template, err)
+				wrappedError := fmt.Errorf("failed to get the email template '%s': %w", inputs.Template, err)
+
+				mErr, ok := err.(management.Error)
+				if !ok {
+					return wrappedError
+				}
+
+				if mErr.Status() != http.StatusNotFound {
+					return wrappedError
+				} else {
+					templateExists = false
+					oldTemplate = &management.EmailTemplate{
+						From:    auth0.String(""),
+						Subject: auth0.String(""),
+						Enabled: auth0.Bool(false),
+						Syntax:  auth0.String("liquid"),
+					}
+				}
 			}
 
 			if err := emailTemplateFrom.AskU(cmd, &inputs.From, oldTemplate.From); err != nil {
@@ -234,6 +252,7 @@ func updateEmailTemplateCmd(cli *cli) *cobra.Command {
 			emailTemplate := &management.EmailTemplate{
 				Enabled:  &inputs.Enabled,
 				Template: &template,
+				Syntax:   oldTemplate.Syntax,
 			}
 			if inputs.Body != "" {
 				emailTemplate.Body = &inputs.Body
@@ -252,7 +271,11 @@ func updateEmailTemplateCmd(cli *cli) *cobra.Command {
 			}
 
 			if err = ansi.Waiting(func() error {
-				return cli.api.EmailTemplate.Update(template, emailTemplate)
+				if templateExists {
+					return cli.api.EmailTemplate.Update(template, emailTemplate)
+				}
+
+				return cli.api.EmailTemplate.Create(emailTemplate)
 			}); err != nil {
 				return fmt.Errorf("failed to update the email template '%s': %w", inputs.Template, err)
 			}