arimelody.me/music/model/release.go

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package model
import (
"strings"
"time"
)
type (
ReleaseType string
Release struct {
ID string `json:"id"`
Visible bool `json:"visible"`
Title string `json:"title"`
Description string `json:"description"`
ReleaseType ReleaseType `json:"type" db:"type"`
ReleaseDate time.Time `json:"releaseDate" db:"release_date"`
Artwork string `json:"artwork"`
Buyname string `json:"buyname"`
Buylink string `json:"buylink"`
Links []*Link `json:"links"`
Credits []*Credit `json:"credits"`
Tracks []*Track `json:"tracks"`
}
)
const (
Single ReleaseType = "single"
Album ReleaseType = "album"
EP ReleaseType = "EP"
Compilation ReleaseType = "compilation"
Upcoming ReleaseType = "upcoming"
)
// GETTERS
func (release Release) TextReleaseDate() string {
return release.ReleaseDate.Format("2006-01-02T15:04")
}
func (release Release) PrintReleaseDate() string {
return release.ReleaseDate.Format("02 January 2006")
}
func (release Release) GetReleaseYear() int {
return release.ReleaseDate.Year()
}
func (release Release) GetArtwork() string {
if release.Artwork == "" {
return "/img/default-cover-art.png"
}
return release.Artwork
}
func (release Release) IsSingle() bool {
return len(release.Tracks) == 1;
}
func (release Release) IsReleased() bool {
return release.ReleaseDate.Before(time.Now())
}
func (release Release) GetUniqueArtists(only_primary bool) []Artist {
var artists = []Artist{}
for _, credit := range release.Credits {
if only_primary && !credit.Primary {
continue
}
exists := false
for _, a := range artists {
if a.ID == credit.Artist.ID {
exists = true
break
}
}
if exists {
continue
}
artists = append(artists, *credit.Artist)
}
return artists
}
func (release Release) GetUniqueArtistNames(only_primary bool) []string {
var names = []string{}
for _, artist := range release.GetUniqueArtists(only_primary) {
names = append(names, artist.Name)
}
return names
}
func (release Release) PrintArtists(only_primary bool, ampersand bool) string {
names := release.GetUniqueArtistNames(only_primary)
if len(names) == 0 {
return "Unknown Artist"
} else if len(names) == 1 {
return names[0]
}
if ampersand {
res := strings.Join(names[:len(names)-1], ", ")
res += " & " + names[len(names)-1]
return res
} else {
return strings.Join(names[:], ", ")
}
}