/
main.go
184 lines (149 loc) · 3.76 KB
/
main.go
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package main
import (
"fmt"
"log"
"strings"
"github.com/zmb3/spotify"
"golang.org/x/oauth2"
"github.com/kr/pretty"
"net/http"
"encoding/json"
"os"
"sync"
"time"
"errors"
"flag"
)
var dothing *bool = flag.Bool("c", false, "create plist")
func IsDiscWeek(p *spotify.SimplePlaylist) bool {
return p.Name == "Discover Weekly" && p.Owner.ID == "spotifydiscover"
}
func NewPlistName() string {
now := time.Now()
weekday := time.Duration(now.Weekday())
day := time.Hour * 24
tostart := -weekday * day
toend := (6-weekday) * day
start := now.Add(tostart)
end := now.Add(toend)
return fmt.Sprintf("Discover Weekly %v/%v/%v - %v/%v/%v", start.Year(), start.Month(), start.Day(), end.Year(), end.Month(), end.Day())
}
func GetTrax(c *spotify.Client, id spotify.ID) ([]spotify.ID, error) {
discTrax, err := c.GetPlaylistTracksOpt("spotifydiscover", id, nil, "items(track(id, name))")
if err != nil {
return nil, errors.New("getplay err: " + err.Error())
}
ids := make([]spotify.ID, 0, len(discTrax.Tracks))
for _, t := range discTrax.Tracks {
fmt.Printf("ID: %v, Name: %v\n", t.Track.ID, t.Track.Name)
ids = append(ids, spotify.ID(t.Track.ID))
}
return ids, nil
}
func MakePlist(c *spotify.Client, id spotify.ID) error {
u, err := c.CurrentUser()
if err != nil {
return errors.New("curuser err: " + err.Error())
}
uid := u.ID
pl, err := c.CreatePlaylistForUser(uid, NewPlistName(), false)
if err != nil {
return errors.New("create error: " + err.Error())
}
ids, err := GetTrax(c, id)
if err != nil {
return errors.New("gettrax err: " + err.Error())
}
snap, err := c.AddTracksToPlaylist(u.ID, pl.ID, ids...)
if err != nil {
return errors.New("addtrax err: " + err.Error())
}
fmt.Println(snap)
return nil
}
var done sync.WaitGroup
func main() {
flag.Parse()
auth := spotify.NewAuthenticator("http://localhost:8888/", spotify.ScopePlaylistReadPrivate, spotify.ScopePlaylistReadCollaborative)
authurl := auth.AuthURL("potato")
fmt.Println(authurl)
coderesult := make(chan *oauth2.Token, 1)
http.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
rw.WriteHeader(204)
fmt.Println("wrote to req")
go func() {
tok, err := auth.Token("potato", req)
if err != nil {
log.Fatal(err)
}
pretty.Println(tok)
coderesult <- tok
go func() {
done.Add(1)
defer done.Done()
if fi, err := os.OpenFile("auth", os.O_WRONLY|os.O_CREATE| os.O_EXCL, 0600); err == nil {
err := json.NewEncoder(fi).Encode(tok)
if err != nil {
log.Println("Error with token writing:", err)
} else {
log.Println("Finished writing to file")
}
fi.Close()
} else {
log.Println("error opening auth file:", err)
}
}()
}()
})
go func() {
err := http.ListenAndServe("localhost:8888", nil)
if err != nil {
log.Fatal(err)
}
}()
fmt.Println("running server")
if fi, err := os.Open("auth"); err == nil {
defer fi.Close()
var mtok oauth2.Token
err = json.NewDecoder(fi).Decode(&mtok)
if err != nil {
log.Println("Bad file for token:", err)
} else {
coderesult <- &mtok
}
} else {
log.Println("auth fi err:", err)
}
tok := <- coderesult
cli := auth.NewClient(tok)
plays, err := cli.CurrentUsersPlaylists()
if err != nil {
log.Fatal(err)
}
news := make(chan spotify.SimplePlaylist, 2)
disc := make(chan spotify.SimplePlaylist, 1)
go func() {
for _, p := range plays.Playlists {
if strings.Contains(p.Name, "New") {
news <- p
} else if IsDiscWeek(&p) {
disc <- p
}
}
close(news)
close(disc)
}()
fmt.Println("news:\n")
for p := range news {
pretty.Println(p.Name)
}
p := <- disc
pretty.Println(p)
if *dothing {
err = MakePlist(&cli, p.ID)
if err != nil {
log.Println("MakePlist err:", err)
}
}
done.Wait()
}