Use LB API to lookup missing metadata for loves

This is faster than using the MBID API individually

internal/listenbrainz/client.go

@@ -28,6 +28,7 @@ import (
 	"time"
 
 	"github.com/go-resty/resty/v2"
+	"go.uploadedlobster.com/mbtypes"
 	"go.uploadedlobster.com/scotty/pkg/ratelimit"
 )
 
@@ -158,3 +159,24 @@ func (c Client) Lookup(ctx context.Context, recordingName string, artistName str
 	}
 	return
 }
+
+func (c Client) MetadataRecordings(ctx context.Context, mbids []mbtypes.MBID) (result RecordingMetadataResult, err error) {
+	const path = "/metadata/recording/"
+	errorResult := ErrorResult{}
+	body := RecordingMetadataRequest{
+		RecordingMBIDs: mbids,
+		Includes:       "artist release",
+	}
+	response, err := c.HTTPClient.R().
+		SetContext(ctx).
+		SetBody(body).
+		SetResult(&result).
+		SetError(&errorResult).
+		Post(path)
+
+	if !response.IsSuccess() {
+		err = errors.New(errorResult.Error)
+		return
+	}
+	return
+}

internal/listenbrainz/models.go

@@ -82,9 +82,9 @@ type MBIDMapping struct {
 }
 
 type Artist struct {
-	ArtistCreditName string `json:"artist_credit_name,omitempty"`
-	ArtistMBID       string `json:"artist_mbid,omitempty"`
-	JoinPhrase       string `json:"join_phrase,omitempty"`
+	ArtistCreditName string       `json:"artist_credit_name,omitempty"`
+	ArtistMBID       mbtypes.MBID `json:"artist_mbid,omitempty"`
+	JoinPhrase       string       `json:"join_phrase,omitempty"`
 }
 
 type GetFeedbackResult struct {
@@ -112,6 +112,44 @@ type LookupResult struct {
 	ArtistMBIDs      []mbtypes.MBID `json:"artist_mbids"`
 }
 
+type RecordingMetadataRequest struct {
+	RecordingMBIDs []mbtypes.MBID `json:"recording_mbids"`
+	Includes       string         `json:"inc,omitempty"`
+}
+
+// Result for a recording metadata lookup
+type RecordingMetadataResult map[mbtypes.MBID]RecordingMetadata
+
+type RecordingMetadata struct {
+	Artist struct {
+		Name           string `json:"name"`
+		ArtistCreditID int    `json:"artist_credit_id"`
+		Artists        []struct {
+			Name       string       `json:"name"`
+			Area       string       `json:"area"`
+			ArtistMBID mbtypes.MBID `json:"artist_mbid"`
+			JoinPhrase string       `json:"join_phrase"`
+			BeginYear  int          `json:"begin_year"`
+			Type       string       `json:"type"`
+			// todo rels
+		} `json:"artists"`
+	} `json:"artist"`
+	Recording struct {
+		Name   string `json:"name"`
+		Length int    `json:"length"`
+		// TODO rels
+	} `json:"recording"`
+	Release struct {
+		Name             string       `json:"name"`
+		AlbumArtistName  string       `json:"album_artist_name"`
+		Year             int          `json:"year"`
+		MBID             mbtypes.MBID `json:"mbid"`
+		ReleaseGroupMBID mbtypes.MBID `json:"release_group_mbid"`
+		CAAID            int          `json:"caa_id"`
+		CAAReleaseMBID   mbtypes.MBID `json:"caa_release_mbid"`
+	} `json:"release"`
+}
+
 type StatusResult struct {
 	Status string `json:"status"`
 }