forked from vikunja/vikunja
102 lines
2.2 KiB
Go
102 lines
2.2 KiB
Go
package mail
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import (
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"bytes"
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"code.vikunja.io/api/models/utils"
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"github.com/labstack/gommon/log"
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"github.com/spf13/viper"
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"gopkg.in/gomail.v2"
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"text/template"
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)
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// Opts holds infos for a mail
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type Opts struct {
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To string
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Subject string
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Message string
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HTMLMessage string
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ContentType ContentType
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Boundary string
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Headers []*header
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}
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// ContentType represents mail content types
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type ContentType int
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// Enumerate all the team rights
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const (
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ContentTypePlain ContentType = iota
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ContentTypeHTML
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ContentTypeMultipart
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)
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type header struct {
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Field string
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Content string
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}
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// SendMail puts a mail in the queue
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func SendMail(opts *Opts) {
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m := gomail.NewMessage()
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m.SetHeader("From", viper.GetString("mailer.fromemail"))
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m.SetHeader("To", opts.To)
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m.SetHeader("Subject", opts.Subject)
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for _, h := range opts.Headers {
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m.SetHeader(h.Field, h.Content)
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}
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switch opts.ContentType {
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case ContentTypePlain:
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m.SetBody("text/plain", opts.Message)
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case ContentTypeHTML:
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m.SetBody("text/html", opts.Message)
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case ContentTypeMultipart:
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m.SetBody("text/plain", opts.Message)
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m.AddAlternative("text/html", opts.HTMLMessage)
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}
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Queue <- m
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}
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// Template holds a pointer about a template
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type Template struct {
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Templates *template.Template
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}
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// SendMailWithTemplate parses a template and sends it via mail
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func SendMailWithTemplate(to, subject, tpl string, data map[string]interface{}) {
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var htmlContent bytes.Buffer
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var plainContent bytes.Buffer
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t := &Template{
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Templates: template.Must(template.ParseGlob("templates/mail/*.tmpl")),
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}
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boundary := "np" + utils.MakeRandomString(13)
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data["Boundary"] = boundary
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data["FrontendURL"] = viper.GetString("service.frontendurl")
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if err := t.Templates.ExecuteTemplate(&htmlContent, tpl+".html.tmpl", data); err != nil {
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log.Error(3, "Template: %v", err)
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return
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}
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if err := t.Templates.ExecuteTemplate(&plainContent, tpl+".plain.tmpl", data); err != nil {
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log.Error(3, "Template: %v", err)
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return
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}
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opts := &Opts{
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To: to,
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Subject: subject,
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Message: plainContent.String(),
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HTMLMessage: htmlContent.String(),
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ContentType: ContentTypeMultipart,
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Boundary: boundary,
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Headers: []*header{{Field: "MIME-Version", Content: "1.0"}},
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}
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SendMail(opts)
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}
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