From df63ab8d5e97bca3ef930ed7ae4f92a61fcd8144 Mon Sep 17 00:00:00 2001
From: Evan Chen <evanchen@kumoly.io>
Date: Sat, 25 Dec 2021 03:31:53 +0800
Subject: [PATCH] update

---
 email/base.gohtml | 17 ++++++++++++++++-
 email/email.go    |  9 +++++----
 email/engine.go   |  4 ++++
 email/service.go  |  1 +
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/email/base.gohtml b/email/base.gohtml
index f30654c..c5d2968 100644
--- a/email/base.gohtml
+++ b/email/base.gohtml
@@ -347,7 +347,22 @@
                       <br />
                       {{ if .Sender }}{{.Sender}}{{else}}{{.App.Name}}{{end}}
                     </p>
-                    
+                    {{ with .Actions }} 
+                      <table class="body-sub">
+                        <tbody>
+                            {{ range $action := . }}
+                              {{if $action.Button.Text}}
+                              <tr>
+                                <td>
+                                  <p class="sub">{{$.App.TroubleText | replace "{ACTION}" $action.Button.Text}}</p>
+                                  <p class="sub"><a href="{{ $action.Button.Link }}">{{ $action.Button.Link }}</a></p>
+                                </td>
+                              </tr>
+                              {{ end }}
+                            {{ end }}
+                        </tbody>
+                      </table>
+                    {{ end }}
                   </td>
                 </tr>
               </table>
diff --git a/email/email.go b/email/email.go
index 7ddd31a..0037f7e 100644
--- a/email/email.go
+++ b/email/email.go
@@ -15,10 +15,11 @@ func init() {
 }
 
 type App struct {
-	Name      string
-	Link      string
-	Logo      string
-	Copyright string
+	Name        string
+	Link        string
+	Logo        string
+	Copyright   string
+	TroubleText string
 }
 
 type Button struct {
diff --git a/email/engine.go b/email/engine.go
index 9703fae..a061efa 100644
--- a/email/engine.go
+++ b/email/engine.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	_ "embed"
 	"html/template"
+	"strings"
 
 	"github.com/vanng822/go-premailer/premailer"
 	"github.com/yuin/goldmark"
@@ -29,6 +30,9 @@ func init() {
 		"mul": func(a, b int) int {
 			return a * b
 		},
+		"replace": func(from, to, input string) string {
+			return strings.Replace(input, from, to, -1)
+		},
 	}).Parse(mailTmpl))
 }
 
diff --git a/email/service.go b/email/service.go
index 3770d84..fd12841 100644
--- a/email/service.go
+++ b/email/service.go
@@ -37,5 +37,6 @@ func setupDefault() {
 		time.Now().Year(), app.Name)
 	app.Link = "https://kumoly.io"
 	app.Logo = "http://www.duchess-france.org/wp-content/uploads/2016/01/gopher.png"
+	app.TroubleText = "If you’re having trouble with the button '{ACTION}', copy and paste the URL below into your web browser."
 	dial = gomail.NewDialer("mail.kumoly.io", 587, "test@kumoly.io", "test")
 }