safetwitch-backend/extractor/twitch/VODPreview.go

package twitch

import (
	"safetwitch-backend/extractor/structs"

	"github.com/tidwall/gjson"
)

/*
If you don't understand the meaning of shelve in
this context, go to an offline streamer on twitch
and look under the videos tag. Each row is considered
a shelve, and each can be expanded. This is to be used
on a streamers profile page
*/
func GetStreamerVideoShelves(streamerName string) ([]structs.Shelve, error) {
	payload := []TwitchPayload{
		{
			"operationName": "ChannelVideoShelvesQuery",
			"variables": map[string]interface{}{
				"channelLogin": streamerName,
				"first":        5,
			},
			"extensions": map[string]interface{}{
				"persistedQuery": map[string]interface{}{
					"version":    1,
					"sha256Hash": "8afefb1ed16c4d8e20fa55024a7ed1727f63b6eca47d8d33a28500770bad8479",
				},
			},
		},
		{
			"operationName": "ChannelRoot_AboutPanel",
			"variables": map[string]interface{}{
				"channelLogin": streamerName,
				"skipSchedule": false,
			},
			"extensions": map[string]interface{}{
				"persistedQuery": map[string]interface{}{
					"version":    1,
					"sha256Hash": "6089531acef6c09ece01b440c41978f4c8dc60cb4fa0124c9a9d3f896709b6c6",
				},
			},
		},
	}

	_, body, err := parseResponse(payload)
	if err != nil {
		return []structs.Shelve{}, err
	}

	streamerData := gjson.Get(string(body), "1.data")
	parsedSocials, err := ParseSocials(streamerData.String())
	if err != nil {
		return []structs.Shelve{}, err
	}
	parsedStreamer, err := ParseStreamer(streamerData, false, parsedSocials, nil, streamerName, "")
	if err != nil {
		return []structs.Shelve{}, err
	}
	/*
		Twitch seperates videos by shelves.
		There are 4 shells:
		- Recent broadcasts
		- Recent highlights and uploads
		- Popular clips
		- All videos

		Each one of these shelves can be expanded to get more data
	*/

	shelves := gjson.Get(string(body), "0.data.user.videoShelves.edges")
	parsedShelves := []structs.Shelve{}
	for _, shelve := range shelves.Array() {
		parsedShelves = append(parsedShelves, ParseShelve(shelve.Get("node"), parsedStreamer))
	}

	return parsedShelves, nil
}