/
search.go
170 lines (146 loc) · 3.73 KB
/
search.go
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package youtube
import (
"fmt"
"log/slog"
"net/url"
"sync"
"time"
yt "github.com/kkdai/youtube/v2"
"github.com/lmittmann/tint"
"github.com/pauloo27/aryzona/internal/config"
"github.com/pauloo27/aryzona/internal/core/h"
"github.com/pauloo27/aryzona/internal/discord/voicer/playable"
"github.com/tidwall/gjson"
)
type SearchResult struct {
vid *yt.Video
pl *yt.Playlist
plVids []*SearchResult // will be lazy loaded
ID string
Title, Author string
Duration time.Duration
ThumbnailURL string
}
func searchWithAPI(searchQuery string, limit int) ([]string, error) {
apiKey := config.Config.YoutubeAPIKey
uri := fmt.Sprintf(
"https://www.googleapis.com/youtube/v3/search?q=%s&key=%s&maxResults=%d&type=video",
url.QueryEscape(searchQuery), url.QueryEscape(apiKey),
limit,
)
buf, err := h.Get(uri)
if err != nil {
return nil, err
}
results := gjson.GetBytes(buf, "items.#.id.videoId").Array()
ids := make([]string, len(results))
for i, id := range results {
ids[i] = id.String()
}
return ids, nil
}
func SearchFor(searchQuery string, limit int) ([]*SearchResult, error) {
if pl, err := defaultClient.GetPlaylist(searchQuery); err == nil && len(pl.Videos) != 0 {
return []*SearchResult{playlistAsSearchResult(pl)}, nil
}
if vid, err := defaultClient.GetVideo(searchQuery); err == nil {
return []*SearchResult{videoAsSearchResult(vid)}, nil
}
ids, err := searchWithAPI(searchQuery, limit)
if err != nil {
return nil, err
}
return loadResults(ids), nil
}
func loadResults(ids []string) []*SearchResult {
wg := sync.WaitGroup{}
results := make([]*SearchResult, len(ids))
for i, id := range ids {
wg.Add(1)
go func(i int, id string) {
defer wg.Done()
vid, err := defaultClient.GetVideo(id)
if err != nil {
slog.Warn("Error getting video", "id", id, tint.Err(err))
return
}
results[i] = videoAsSearchResult(vid)
}(i, id)
}
wg.Wait()
// remove nils from the slice
j := 0
for i, result := range results {
if result != nil {
if i != j {
results[j] = result
}
j++
}
}
return results
}
func videoAsSearchResult(vid *yt.Video) *SearchResult {
return &SearchResult{
ID: vid.ID,
vid: vid,
Title: vid.Title,
Author: vid.Author,
Duration: vid.Duration,
ThumbnailURL: vid.Thumbnails[0].URL,
}
}
func playlistAsSearchResult(pl *yt.Playlist) *SearchResult {
duration := time.Duration(0)
for _, vid := range pl.Videos {
duration += vid.Duration
}
plVids := make([]*SearchResult, len(pl.Videos))
for i, vid := range pl.Videos {
plVids[i] = playlistVidAsSearchResult(vid)
}
return &SearchResult{
pl: pl,
plVids: plVids,
ID: pl.ID,
Title: pl.Title,
Author: pl.Author,
Duration: duration,
ThumbnailURL: pl.Videos[0].Thumbnails[0].URL,
}
}
func playlistVidAsSearchResult(vid *yt.PlaylistEntry) *SearchResult {
return &SearchResult{
ID: vid.ID,
Title: vid.Title,
Author: vid.Author,
Duration: vid.Duration,
ThumbnailURL: fmt.Sprintf("https://img.youtube.com/vi/%s/mqdefault.jpg", vid.ID),
}
}
func (r *SearchResult) IsPlaylist() bool {
return r.pl != nil
}
func (r *SearchResult) IsLive() bool {
return r.vid != nil && r.Duration == 0
}
func (r *SearchResult) ToPlayable() []playable.Playable {
if r.IsPlaylist() {
playables := make([]playable.Playable, len(r.plVids))
for i, vid := range r.plVids {
playables[i] = vid.ToPlayable()[0]
}
return playables
}
return []playable.Playable{
YouTubePlayable{
ID: r.ID,
Title: r.Title,
Author: r.Author,
ThumbnailURL: r.ThumbnailURL,
Duration: r.Duration,
Live: r.IsLive(),
vid: r.vid,
},
}
}