appcore/email/render.go

// Copyright 2024 Patial Tech (Ankit Patial).
//
// This file is part of code.patial.tech/go/appcore, which is MIT licensed.
// See http://opensource.org/licenses/MIT

package email

import (
	"bytes"
	"html/template"
	txt "text/template"
)

func RenderHTMLTemplate(layout, content string, data map[string]any) (string, error) {
	// layout
	tpl, err := template.New("layout").Parse(layout)
	if err != nil {
		return "", err
	}

	// content
	_, err = tpl.New("content").Parse(content)
	if err != nil {
		return "", err
	}

	// execute layout + content template and RenderHTML data
	buf := new(bytes.Buffer)
	err = tpl.ExecuteTemplate(buf, "layout", data)
	if err != nil {
		return "", err
	}

	return buf.String(), nil
}

func RenderTxtTemplate(content string, data map[string]any) (string, error) {
	tpl, err := txt.New("content").Parse(content)
	if err != nil {
		return "", err
	}

	buf := new(bytes.Buffer)
	err = tpl.ExecuteTemplate(buf, "content", data)
	if err != nil {
		return "", err
	}

	return buf.String(), nil
}