mirror of
https://github.com/knadh/listmonk.git
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124af1ee29
This commit introduces optional, custom `<title>` tags that can be
added to `static/email-templates/*.html` so as to make the subjectlines
fully scriptable for system e-mails and notifications.
The tag must look like this.
```
<title data-i18n>Stuff {{ .Subscriber.Name }} here!</title>
```
67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package main
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import (
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"bytes"
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"regexp"
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"strings"
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"github.com/knadh/listmonk/models"
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)
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const (
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notifTplImport = "import-status"
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notifTplCampaign = "campaign-status"
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notifSubscriberOptin = "subscriber-optin"
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notifSubscriberData = "subscriber-data"
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)
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var (
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reTitle = regexp.MustCompile(`(?s)<title\s*data-i18n\s*>(.+?)</title>`)
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)
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// notifData represents params commonly used across different notification
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// templates.
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type notifData struct {
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RootURL string
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LogoURL string
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}
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// sendNotification sends out an e-mail notification to admins.
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func (app *App) sendNotification(toEmails []string, subject, tplName string, data interface{}) error {
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if len(toEmails) == 0 {
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return nil
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}
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var buf bytes.Buffer
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if err := app.notifTpls.tpls.ExecuteTemplate(&buf, tplName, data); err != nil {
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app.log.Printf("error compiling notification template '%s': %v", tplName, err)
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return err
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}
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body := buf.Bytes()
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subject, body = getTplSubject(subject, body)
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m := models.Message{}
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m.ContentType = app.notifTpls.contentType
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m.From = app.constants.FromEmail
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m.To = toEmails
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m.Subject = subject
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m.Body = body
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m.Messenger = emailMsgr
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if err := app.manager.PushMessage(m); err != nil {
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app.log.Printf("error sending admin notification (%s): %v", subject, err)
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return err
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}
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return nil
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}
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// getTplSubject extrcts any custom i18n subject rendered in the given rendered
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// template body. If it's not found, the incoming subject and body are returned.
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func getTplSubject(subject string, body []byte) (string, []byte) {
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m := reTitle.FindSubmatch(body)
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if len(m) != 2 {
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return subject, body
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}
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return strings.TrimSpace(string(m[1])), reTitle.ReplaceAll(body, []byte(""))
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}
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