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109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
package spotify
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strings"
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"github.com/sirupsen/logrus"
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"golang.org/x/oauth2"
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)
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func getCurrentTrackForChannel(channel string) (track currentPlayingTrackResponse, err error) {
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channel = strings.TrimLeft(channel, "#")
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conf, err := oauthConfig(channel, "")
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if err != nil {
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return track, fmt.Errorf("getting oauth config: %w", err)
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}
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var token *oauth2.Token
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if err = db.ReadEncryptedCoreMeta(strings.Join([]string{"spotify-auth", channel}, ":"), &token); err != nil {
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return track, fmt.Errorf("loading oauth token: %w", err)
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}
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defer func() {
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if err := db.StoreEncryptedCoreMeta(strings.Join([]string{"spotify-auth", channel}, ":"), token); err != nil {
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logrus.WithError(err).Error("storing back Spotify auth token")
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}
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}()
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ctx, cancel := context.WithTimeout(context.Background(), spotifyRequestTimeout)
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defer cancel()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://api.spotify.com/v1/me/player/currently-playing", nil)
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if err != nil {
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return track, fmt.Errorf("creating currently-playing request: %w", err)
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}
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resp, err := conf.Client(context.Background(), token).Do(req)
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if err != nil {
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return track, fmt.Errorf("executing request: %w", err)
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}
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defer func() {
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if err := resp.Body.Close(); err != nil {
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logrus.WithError(err).Error("closing Spotify response body (leaked fd)")
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}
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}()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return track, fmt.Errorf("reading response body: %w", err)
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}
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switch resp.StatusCode {
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case http.StatusOK:
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// This is perfect, continue below
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case http.StatusUnauthorized:
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// The token is FUBAR
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return track, fmt.Errorf("token expired (HTTP 401 - unauthorized)")
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case http.StatusForbidden:
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// The request is FUBAR
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return track, fmt.Errorf("bad oAuth request, report this to dev (HTTP 403 - forbidden): %q", body)
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case http.StatusTooManyRequests:
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// We asked too often
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return track, fmt.Errorf("rate-limited (HTTP 429 - too many requests)")
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default:
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// WTF?
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return track, fmt.Errorf("unexpected HTTP status %d", resp.StatusCode)
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}
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if err = json.Unmarshal(body, &track); err != nil {
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return track, fmt.Errorf("decoding response (%q): %w", body, err)
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}
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return track, nil
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}
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func getCurrentArtistTitleForChannel(channel string) (artistTitle string, err error) {
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track, err := getCurrentTrackForChannel(channel)
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if err != nil {
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return "", fmt.Errorf("getting track info: %w", err)
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}
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var artistNames []string
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for _, artist := range track.Item.Artists {
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artistNames = append(artistNames, artist.Name)
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}
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return strings.Join([]string{
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strings.Join(artistNames, ", "),
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track.Item.Name,
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}, " - "), nil
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}
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func getCurrentLinkForChannel(channel string) (link string, err error) {
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track, err := getCurrentTrackForChannel(channel)
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if err != nil {
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return "", fmt.Errorf("getting track info: %w", err)
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}
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return track.Item.ExternalUrls.Spotify, nil
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}
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