61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package smtpclient
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import (
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"bytes"
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"embed"
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"errors"
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"fmt"
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"html/template"
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"strings"
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)
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type SMTPClient struct{}
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//go:embed template/*
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var templates embed.FS
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func (s SMTPClient) SendMail(templateName string, to string, data any) error {
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if to == "error@error.error" {
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return errors.New("error mail send")
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}
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return nil
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}
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func NewDummySMTPClient() SMTPClient {
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s := SMTPClient{}
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return s
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}
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func (s SMTPClient) renderTemplates(templateName string, data any) (string, string, string, error) {
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subject, err := s.renderFile(fmt.Sprintf("%v.subject", templateName), data)
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if err != nil {
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return "", "", "", err
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}
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txt, err := s.renderFile(fmt.Sprintf("%v.txt", templateName), data)
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if err != nil {
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return "", "", "", err
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}
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html, err := s.renderFile(fmt.Sprintf("%v.html", templateName), data)
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if err != nil {
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return "", "", "", err
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}
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return subject, txt, html, nil
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}
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func (s SMTPClient) renderFile(filename string, data any) (string, error) {
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tmpl, err := template.ParseFS(templates, "template/"+filename)
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if err != nil {
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return "", err
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}
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var buf bytes.Buffer
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err = tmpl.Execute(&buf, data)
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if err != nil {
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return "", err
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}
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renderedString := buf.String()
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return strings.Trim(renderedString, "\n"), nil
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}
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