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Bulk "is live" endpoint

This commit is contained in:
dragongoose 2023-12-02 15:13:02 -05:00
parent fcbf9096df
commit f90cae54c3
No known key found for this signature in database
GPG key ID: 01397EEC371CDAA5
2 changed files with 61 additions and 130 deletions

View file

@ -2,8 +2,10 @@ package twitch
import (
"errors"
"fmt"
"safetwitch-backend/extractor"
"safetwitch-backend/extractor/structs"
"sync"
"github.com/tidwall/gjson"
)
@ -169,149 +171,78 @@ func GetStreamerId(channelName string) (string, error) {
}
}
func GetBulkStreamerInfo(streamers []string) ([]structs.Streamer, error) {
var payload []TwitchPayload
func BulkCheckIfStreamerIsLive(streamers []string) ([]string, error) {
// We can only make 35 different queries in the same request
// or else it throws 400 error :( So here, payload will be
// an array of an array, which we will make requests in
// 35 segments
var payloads [][]TwitchPayload
var tmparr []TwitchPayload
for _, streamer := range streamers {
tmp := []TwitchPayload{
// Streamer data
{
"operationName": "ChannelRoot_AboutPanel",
"variables": map[string]interface{}{
"channelLogin": streamer,
"skipSchedule": false,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "6089531acef6c09ece01b440c41978f4c8dc60cb4fa0124c9a9d3f896709b6c6",
},
},
},
if len(tmparr) > 34 {
// add full tmparr to payloads
payloads = append(payloads, tmparr)
// empty tmp arr
tmparr = []TwitchPayload{}
}
// Stream metadata
{
"operationName": "StreamMetadata",
"variables": map[string]interface{}{
"channelLogin": streamer,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "a647c2a13599e5991e175155f798ca7f1ecddde73f7f341f39009c14dbf59962",
},
},
tmp := TwitchPayload{
"operationName": "UseLive",
"variables": map[string]interface{}{
"channelLogin": streamer,
},
// Stream tags
{
"operationName": "StreamTagsTrackingChannel",
"variables": map[string]interface{}{
"channel": streamer,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "6aa3851aaaf88c320d514eb173563d430b28ed70fdaaf7eeef6ed4b812f48608",
},
},
},
// Stream preview image
{
"operationName": "VideoPreviewOverlay",
"variables": map[string]interface{}{
"login": streamer,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "9515480dee68a77e667cb19de634739d33f243572b007e98e67184b1a5d8369f",
},
},
},
// Current views
{
"operationName": "UseViewCount",
"variables": map[string]interface{}{
"channelLogin": streamer,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "00b11c9c428f79ae228f30080a06ffd8226a1f068d6f52fbc057cbde66e994c2",
},
},
},
// Get offline banner image
{
"operationName": "ChannelShell",
"variables": map[string]interface{}{
"login": streamer,
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "580ab410bcd0c1ad194224957ae2241e5d252b2c5173d8e0cce9d32d5bb14efe",
},
"extensions": map[string]interface{}{
"persistedQuery": map[string]interface{}{
"version": 1,
"sha256Hash": "639d5f11bfb8bf3053b424d9ef650d04c4ebb7d94711d644afb08fe9a0fad5d9",
},
},
}
payload = append(payload, tmp...)
tmparr = append(tmparr, tmp)
}
if len(tmparr) > 0 {
payloads = append(payloads, tmparr)
}
_, body, err := parseResponse(payload)
if err != nil {
return []structs.Streamer{}, err
bodies := []string{}
bodiesMutex := sync.Mutex{}
wg := sync.WaitGroup{}
ch := make(chan error, len(payloads))
for _, payload := range payloads {
wg.Add(1)
go func(payload []TwitchPayload) {
defer wg.Done()
_, body, err := parseResponse(payload)
if err != nil {
ch <- err
return
}
bodiesMutex.Lock()
bodies = append(bodies, string(body))
bodiesMutex.Unlock()
}(payload)
}
wg.Wait()
fmt.Println(bodies)
len := len(streamers) * 6
var liveStreamers []string
var foundStreamers []structs.Streamer
// parse the data from all of the segments before
for _, body := range bodies {
fmt.Println(body)
for i := 0; i < len(streamers); i++ {
stream := gjson.Get(string(body), extractor.GenGjsonQuery(i, ".data.user.stream"))
for i := 0; i < (len / 6); i++ {
offset := i * 6
// begin parsing response
streamerFound := gjson.Get(string(body), extractor.GenGjsonQuery(offset, ".data.user"))
if streamerFound.String() == "" {
// return structs.Streamer{}, errors.New("streamer not found")
continue
}
streamerData := gjson.Get(string(body), extractor.GenGjsonQuery(offset, ".data"))
parsedSocials, err := ParseSocials(streamerData.String())
if err != nil {
// return structs.Streamer{}, err
continue
}
parsedStream, err := ParseStream(string(body), offset)
var isLive bool
if err != nil {
if err.Error() == "streamer is not live" {
parsedStream = nil
} else {
continue
if stream.IsObject() {
liveStreamers = append(liveStreamers, streamers[i])
}
}
if parsedStream != nil {
isLive = true
} else {
isLive = false
}
streamerBanner := gjson.Get(string(body), extractor.GenGjsonQuery(offset+5, ".data.userOrError.bannerImageURL")).String()
parsedStreamer, err := ParseStreamer(streamerData, isLive, parsedSocials, parsedStream, streamers[i], streamerBanner)
if err != nil {
return []structs.Streamer{}, err
}
foundStreamers = append(foundStreamers, parsedStreamer)
}
return foundStreamers, nil
return liveStreamers, nil
}

View file

@ -32,7 +32,7 @@ func Routes(route *gin.Engine) {
Streamers []string `json:"streamers"`
}
auth.POST("/bulk", func(context *gin.Context) {
auth.POST("/isLive/bulk", func(context *gin.Context) {
var f postData
err := context.ShouldBindJSON(&f)
if err != nil {
@ -40,7 +40,7 @@ func Routes(route *gin.Engine) {
return
}
data, err := twitch.GetBulkStreamerInfo(f.Streamers)
data, err := twitch.BulkCheckIfStreamerIsLive(f.Streamers)
if err != nil {
context.Error(err)
return