arimelody.me/music/model/track.go

package model

import (
	"html/template"
	"strings"
)

type (
	Track struct {
		ID          string `json:"id"`
		Title       string `json:"title"`
		Description string `json:"description"`
		Lyrics      string `json:"lyrics"`
		PreviewURL  string `json:"previewURL" db:"preview_url"`
	}

	DisplayTrack struct {
		*Track
		Lyrics template.HTML
		Number int
	}
)

func (track Track) MakeDisplay(number int) DisplayTrack {
    return DisplayTrack{
        Track: &track,
        Lyrics: template.HTML(strings.Replace(track.Lyrics, "\n", "<br>", -1)),
        Number: number,
    }
}