Changes:

- Proper structure for code
- Support for musicCarouselShelfRenderer in genres

utils/fetch.go

@@ -0,0 +1,59 @@
+package utils
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+func ErrMsg(err error) string {
+	return fmt.Sprintf("{\"error\":true,\"message\":\"%s\"}", err)
+}
+
+func Fetch(path string, data []byte) (string, int, error) {
+
+	url := "https://music.youtube.com/youtubei/v1/" + path + "?alt=json&key=AIzaSyC9XL3ZjWddXya6X74dJoCTL-WEYFDNX30&prettyPrint=false"
+
+	req, err := http.NewRequest("POST", url, bytes.NewBuffer(data))
+	if err != nil {
+		return "", 500, err
+	}
+
+	req.Header.Set("Content-Type", "application/json; charset=utf-8")
+	req.Header.Set("Origin", "https://music.youtube.com")
+	req.Header.Set("x-origin", "https://music.youtube.com")
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36")
+
+	client := &http.Client{}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", 500, err
+	}
+
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", 500, err
+	}
+
+	return string(body), resp.StatusCode, nil
+}
+
+func FetchBrowse(browse BrowseData) (string, int) {
+
+	data, err := json.Marshal(browse)
+	if err != nil {
+		return ErrMsg(err), 500
+	}
+
+	raw, status, err := Fetch("browse", data)
+	if err != nil {
+		return ErrMsg(err), 500
+	}
+
+	return raw, status
+}

utils/types.go

@@ -0,0 +1,100 @@
+package utils
+
+import "strings"
+
+type Client struct {
+	Name    string `json:"clientName,omitempty"`
+	Version string `json:"clientVersion,omitempty"`
+	Hl      string `json:"hl",omitempty`
+}
+
+type Context struct {
+	Client Client `json:"client",omitempty`
+}
+
+type PageType struct {
+	PageType string `json:"pageType,omitempty"`
+}
+
+type BrowseMusicConfig struct {
+	MusicConfig PageType `json:"browseEndpointContextMusicConfig,omitempty"`
+}
+
+type Form struct {
+	Values []string `json:"selectedValues"`
+}
+
+type WatchMusicConfig struct {
+	Panel bool   `json:"hasPersistentPlaylistPanel,omitempty"`
+	Type  string `json:"musicVideoType,omitempty"`
+}
+
+type BrowseData struct {
+	Context     Context           `json:"context,omitempty"`
+	MusicConfig BrowseMusicConfig `json:"browseEndpointContextMusicConfig,omitempty"`
+	BrowseId    string            `json:"browseId,omitempty"`
+	Params      string            `json:"params,omitempty"`
+	Form        Form              `json:"formData,omitempty"`
+}
+
+type NextData struct {
+	Id          string           `json:"videoId,omitempty"`
+	PlaylistId  string           `json:"playlistId",omitempty`
+	Context     Context          `json:"context,omitempty"`
+	Audio       bool             `json:"isAudioOnly,omitempty"`
+	Tuner       string           `json:"tunerSettingValue,omitempty"`
+	Panel       bool             `json:"enablePersistentPlaylistPanel,omitempty"`
+	MusicConfig WatchMusicConfig `json:"watchEndpointMusicConfig,omitempty"`
+}
+
+var BaseContext Context = Context{
+	Client: Client{
+		Name:    "WEB_REMIX",
+		Version: "1.20220926.01.00",
+		Hl:      "en-US",
+	},
+}
+
+func TypeBrowse(t, id, params, form string) BrowseData {
+	if t != "" {
+		return BrowseData{
+			Context: BaseContext,
+			MusicConfig: BrowseMusicConfig{
+				MusicConfig: PageType{
+					PageType: "MUSIC_PAGE_TYPE_" + strings.ToUpper(t),
+				},
+			},
+			BrowseId: id,
+		}
+	} else if form != "" {
+		return BrowseData{
+			Context:  BaseContext,
+			BrowseId: id,
+			Params:   params,
+			Form: Form{
+				Values: []string{form},
+			},
+		}
+	} else {
+		return BrowseData{
+			Context:  BaseContext,
+			BrowseId: id,
+			Params:   params,
+		}
+	}
+}
+
+func TypeNext(id, pid string) NextData {
+	return NextData{
+		Id:         id,
+		PlaylistId: pid,
+		Context:    BaseContext,
+		Panel:      true,
+		Audio:      true,
+		Tuner:      "AUTOMIX_SETTING_NORMAL",
+		MusicConfig: WatchMusicConfig{
+			Panel: true,
+			Type:  "MUSIC_VIDEO_TYPE_ATV",
+		},
+	}
+}