Use fancy email report style

Author: Qi Xiao

cmd/server/main.go

@@ -58,8 +58,7 @@ const (
 contentTypeHTML = "text/html"
 contentTypePDF = "application/pdf"
 
-mailSubjectPrefix = `CookieScan report for `
-mailContentTemplate = `Your report for site %s is generated, please see the PDF attachment.`
+mailSubject = `Your CookieScan Report is Ready`
 )
 
 var (
@@ -271,13 +270,20 @@ func asyncEmailReport(opts *cmd.CommonOptions, site string, mailTo string) {
 }).WithError(err).Error("generate pdf report failed")
 return
 }
+emailContent, err := t.FormatEmail()
+if err != nil {
+logrus.WithFields(logrus.Fields{
+"site": site,
+"to": mailTo,
+}).WithError(err).Error("generate email content failed")
+}
 
 d := gomail.NewPlainDialer(mailServer, mailPort, mailUser, mailPassword)
 m := gomail.NewMessage()
 m.SetHeader("From", mailFrom)
 m.SetAddressHeader("To", mailTo, mailTo)
-m.SetHeader("Subject", mailSubjectPrefix+site)
-m.SetBody("text/html", fmt.Sprintf(mailContentTemplate, site))
+m.SetHeader("Subject", mailSubject)
+m.SetBody("text/html", emailContent)
 m.Attach(tempPDF, gomail.SetHeader(map[string][]string{"Content-Type": {contentTypePDF}}))
 
 defer m.Reset()
@@ -455,13 +461,18 @@ func analyzeFunc(opts *cmd.CommonOptions) http.HandlerFunc {
 sendResponse(http.StatusInternalServerError, false, err, nil, rw)
 return
 }
+emailContent, err := t.FormatEmail()
+if err != nil {
+sendResponse(http.StatusInternalServerError, false, err, nil, rw)
+return
+}
 
 d := gomail.NewPlainDialer(mailServer, mailPort, mailUser, mailPassword)
 m := gomail.NewMessage()
 m.SetHeader("From", mailFrom)
 m.SetAddressHeader("To", mailTo, mailTo)
-m.SetHeader("Subject", mailSubjectPrefix+site)
-m.SetBody("text/html", fmt.Sprintf(mailContentTemplate, site))
+m.SetHeader("Subject", mailSubject)
+m.SetBody("text/html", emailContent)
 m.Attach(tempPDF, gomail.SetHeader(map[string][]string{"Content-Type": {contentTypePDF}}))
 
 defer m.Reset()