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YoutubeMusic.kt Ported to KMP

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shabinder 2021-01-30 22:20:04 +05:30
parent cc4362963a
commit 6e20cc3b0a
5 changed files with 55 additions and 324 deletions
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2
common/dependency-injection/src/commonMain/kotlin/com/shabinder/common/DI.kt
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@ -5,6 +5,7 @@ import com.shabinder.common.database.createDb
import com.shabinder.common.database.getLogger
import com.shabinder.common.providers.GaanaProvider
import com.shabinder.common.providers.SpotifyProvider
import com.shabinder.common.providers.YoutubeMusic
import io.ktor.client.*
import io.ktor.client.features.json.*
import io.ktor.client.features.json.serializer.*
@ -24,6 +25,7 @@ fun commonModule(enableNetworkLogs: Boolean) = module {
single { Dir() }
single { createDb() }
single { Kermit(getLogger()) }
single { YoutubeMusic(get(),get()) }
single { SpotifyProvider(get(),get(),get(),get()) }
single { GaanaProvider(get(),get(),get(),get()) }
single { YoutubeProvider(get(),get(),get(),get()) }

20
common/dependency-injection/src/commonMain/kotlin/com/shabinder/common/YoutubeMusic.kt
View File

@ -1,20 +0,0 @@
package com.shabinder.common
import co.touchlab.kermit.Logger
import io.ktor.client.*
expect class YoutubeMusic(
logger: Logger,
httpClient: HttpClient
) {
fun getYTTracks(response: String): List<YoutubeTrack>
fun sortByBestMatch(
ytTracks: List<YoutubeTrack>,
trackName: String,
trackArtists: List<String>,
trackDurationSec: Int
): Map<String, Int>
suspend fun getYoutubeMusicResponse(query: String): String
}

89
common/dependency-injection/src/androidMain/kotlin/com/shabinder/common/YoutubeMusic.kt → common/dependency-injection/src/commonMain/kotlin/com/shabinder/common/providers/YoutubeMusic.kt
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@ -1,33 +1,30 @@
package com.shabinder.common
package com.shabinder.common.providers
import android.annotation.SuppressLint
import co.touchlab.kermit.Logger
import com.beust.klaxon.JsonArray
import com.beust.klaxon.JsonObject
import com.beust.klaxon.Parser
import com.shabinder.common.YoutubeTrack
import com.willowtreeapps.fuzzywuzzy.diffutils.FuzzySearch
import io.ktor.client.*
import io.ktor.client.request.*
import io.ktor.http.*
import kotlinx.serialization.json.buildJsonObject
import kotlinx.serialization.json.put
import kotlinx.serialization.json.putJsonObject
import kotlinx.serialization.json.*
import kotlin.math.absoluteValue
private const val apiKey = "AIzaSyC9XL3ZjWddXya6X74dJoCTL-WEYFDNX30"
actual class YoutubeMusic actual constructor(
class YoutubeMusic constructor(
private val logger: Logger,
private val httpClient:HttpClient,
) {
private val tag = "YTMUSIC"
actual fun getYTTracks(response: String):List<YoutubeTrack>{
private val tag = "YT Music"
suspend fun getYTTracks(query: String):List<YoutubeTrack>{
val youtubeTracks = mutableListOf<YoutubeTrack>()
val stringBuilder: StringBuilder = StringBuilder(response)
val responseObj: JsonObject = Parser.default().parse(stringBuilder) as JsonObject
val contentBlocks = responseObj.obj("contents")?.obj("sectionListRenderer")?.array<JsonObject>("contents")
val resultBlocks = mutableListOf<JsonArray<JsonObject>>()
val responseObj = Json.parseToJsonElement(getYoutubeMusicResponse(query))
val contentBlocks = responseObj.jsonObject["contents"]
?.jsonObject?.get("sectionListRenderer")
?.jsonObject?.get("contents")?.jsonArray
val resultBlocks = mutableListOf<JsonArray>()
if (contentBlocks != null) {
for (cBlock in contentBlocks){
/**
@ -36,11 +33,12 @@ actual class YoutubeMusic actual constructor(
*results for xyz, search for abc instead') we have no use for them, the for
*loop below if throw a keyError if we don't ignore them
*/
if(cBlock.containsKey("itemSectionRenderer")){
if(cBlock.jsonObject.containsKey("itemSectionRenderer")){
continue
}
for(contents in cBlock.obj("musicShelfRenderer")?.array<JsonObject>("contents") ?: listOf()){
for(contents in cBlock.jsonObject["musicShelfRenderer"]?.jsonObject?.get("contents")?.jsonArray
?: listOf()){
/**
* apparently content Blocks without an 'overlay' field don't have linkBlocks
* I have no clue what they are and why there even exist
@ -51,21 +49,24 @@ actual class YoutubeMusic actual constructor(
TODO check and correct
}*/
val result = contents.obj("musicResponsiveListItemRenderer")
?.array<JsonObject>("flexColumns")
val result = contents.jsonObject["musicResponsiveListItemRenderer"]
?.jsonObject?.get("flexColumns")?.jsonArray
//Add the linkBlock
val linkBlock = contents.obj("musicResponsiveListItemRenderer")
?.obj("overlay")
?.obj("musicItemThumbnailOverlayRenderer")
?.obj("content")
?.obj("musicPlayButtonRenderer")
?.obj("playNavigationEndpoint")
val linkBlock = contents.jsonObject["musicResponsiveListItemRenderer"]
?.jsonObject?.get("overlay")
?.jsonObject?.get("musicItemThumbnailOverlayRenderer")
?.jsonObject?.get("content")
?.jsonObject?.get("musicPlayButtonRenderer")
?.jsonObject?.get("playNavigationEndpoint")
// detailsBlock is always a list, so we just append the linkBlock to it
// instead of carrying along all the other junk from "musicResponsiveListItemRenderer"
linkBlock?.let { result?.add(it) }
result?.let { resultBlocks.add(it) }
val finalResult = buildJsonArray {
result?.let { add(it) }
linkBlock?.let { add(it) }
}
resultBlocks.add(finalResult)
}
}
@ -89,7 +90,7 @@ actual class YoutubeMusic actual constructor(
! 4 - Duration (hh:mm:ss)
!
! We blindly gather all the details we get our hands on, then
! cherrypick the details we need based on their index numbers,
! cherry pick the details we need based on their index numbers,
! we do so only if their Type is 'Song' or 'Video
*/
@ -109,18 +110,17 @@ actual class YoutubeMusic actual constructor(
! result[:-1] ,i.e., skip last element in array '
*/
for(detail in result.subList(0,result.size-1)){
if(detail.obj("musicResponsiveListItemFlexColumnRenderer")?.size!! < 2) continue
if(detail.jsonObject["musicResponsiveListItemFlexColumnRenderer"]?.jsonObject?.size?:0 < 2) continue
// if not a dummy, collect All Variables
val details = detail.obj("musicResponsiveListItemFlexColumnRenderer")
?.obj("text")
?.array<JsonObject>("runs") ?: listOf()
val details = detail.jsonObject["musicResponsiveListItemFlexColumnRenderer"]
?.jsonObject?.get("text")
?.jsonObject?.get("runs")?.jsonArray ?: listOf()
for (d in details){
d["text"]?.let {
if(it.toString() != " • "){
availableDetails.add(
it.toString()
)
d.jsonObject["text"]?.jsonPrimitive?.contentOrNull?.let {
if(it != " • "){
availableDetails.add(it)
}
}
}
@ -143,7 +143,7 @@ actual class YoutubeMusic actual constructor(
! reference the dict keys by index
*/
val videoId:String? = result.last().obj("watchEndpoint")?.get("videoId") as String?
val videoId:String? = result.last().jsonObject["watchEndpoint"]?.jsonObject?.get("videoId")?.jsonPrimitive?.content
val ytTrack = YoutubeTrack(
name = availableDetails[0],
type = availableDetails[1],
@ -152,7 +152,6 @@ actual class YoutubeMusic actual constructor(
videoId = videoId
)
youtubeTracks.add(ytTrack)
}
}
}
@ -160,11 +159,11 @@ actual class YoutubeMusic actual constructor(
return youtubeTracks
}
@SuppressLint("DefaultLocale")
actual fun sortByBestMatch(ytTracks:List<YoutubeTrack>,
trackName:String,
trackArtists:List<String>,
trackDurationSec:Int,
fun sortByBestMatch(
ytTracks:List<YoutubeTrack>,
trackName:String,
trackArtists:List<String>,
trackDurationSec:Int,
):Map<String,Int>{
/*
* "linksWithMatchValue" is map with Youtube VideoID and its rating/match with 100 as Max Value
@ -233,7 +232,7 @@ actual class YoutubeMusic actual constructor(
return linksWithMatchValue.toList().sortedByDescending { it.second }.toMap()
}
actual suspend fun getYoutubeMusicResponse(query: String):String{
private suspend fun getYoutubeMusicResponse(query: String):String{
return httpClient.post("https://music.youtube.com/youtubei/v1/search?alt=json&key=$apiKey"){
contentType(ContentType.Application.Json)
headers{

252
common/dependency-injection/src/desktopMain/kotlin/com/shabinder/common/YoutubeMusic.kt
View File

@ -1,252 +0,0 @@
package com.shabinder.common
import co.touchlab.kermit.Logger
import com.beust.klaxon.JsonArray
import com.beust.klaxon.JsonObject
import com.beust.klaxon.Parser
import io.ktor.client.*
import io.ktor.client.request.*
import io.ktor.http.*
import kotlinx.serialization.json.buildJsonObject
import kotlinx.serialization.json.put
import kotlinx.serialization.json.putJsonObject
import me.xdrop.fuzzywuzzy.FuzzySearch
import kotlin.math.absoluteValue
private const val apiKey = "AIzaSyC9XL3ZjWddXya6X74dJoCTL-WEYFDNX30"
actual class YoutubeMusic actual constructor(
private val logger: Logger,
private val httpClient:HttpClient,
) {
private val tag = "YTMUSIC"
actual fun getYTTracks(response: String):List<YoutubeTrack>{
val youtubeTracks = mutableListOf<YoutubeTrack>()
val stringBuilder: StringBuilder = StringBuilder(response)
val responseObj: JsonObject = Parser.default().parse(stringBuilder) as JsonObject
val contentBlocks = responseObj.obj("contents")?.obj("sectionListRenderer")?.array<JsonObject>("contents")
val resultBlocks = mutableListOf<JsonArray<JsonObject>>()
if (contentBlocks != null) {
for (cBlock in contentBlocks){
/**
*Ignore user-suggestion
*The 'itemSectionRenderer' field is for user notices (stuff like - 'showing
*results for xyz, search for abc instead') we have no use for them, the for
*loop below if throw a keyError if we don't ignore them
*/
if(cBlock.containsKey("itemSectionRenderer")){
continue
}
for(contents in cBlock.obj("musicShelfRenderer")?.array<JsonObject>("contents") ?: listOf()){
/**
* apparently content Blocks without an 'overlay' field don't have linkBlocks
* I have no clue what they are and why there even exist
*
if(!contents.containsKey("overlay")){
println(contents)
continue
TODO check and correct
}*/
val result = contents.obj("musicResponsiveListItemRenderer")
?.array<JsonObject>("flexColumns")
//Add the linkBlock
val linkBlock = contents.obj("musicResponsiveListItemRenderer")
?.obj("overlay")
?.obj("musicItemThumbnailOverlayRenderer")
?.obj("content")
?.obj("musicPlayButtonRenderer")
?.obj("playNavigationEndpoint")
// detailsBlock is always a list, so we just append the linkBlock to it
// instead of carrying along all the other junk from "musicResponsiveListItemRenderer"
linkBlock?.let { result?.add(it) }
result?.let { resultBlocks.add(it) }
}
}
/* We only need results that are Songs or Videos, so we filter out the rest, since
! Songs and Videos are supplied with different details, extracting all details from
! both is just carrying on redundant data, so we also have to selectively extract
! relevant details. What you need to know to understand how we do that here:
!
! Songs details are ALWAYS in the following order:
! 0 - Name
! 1 - Type (Song)
! 2 - com.shabinder.spotiflyer.models.gaana.Artist
! 3 - Album
! 4 - Duration (mm:ss)
!
! Video details are ALWAYS in the following order:
! 0 - Name
! 1 - Type (Video)
! 2 - Channel
! 3 - Viewers
! 4 - Duration (hh:mm:ss)
!
! We blindly gather all the details we get our hands on, then
! cherrypick the details we need based on their index numbers,
! we do so only if their Type is 'Song' or 'Video
*/
for(result in resultBlocks){
// Blindly gather available details
val availableDetails = mutableListOf<String>()
/*
Filter Out dummies here itself
! 'musicResponsiveListItemFlexColumnRenderer' should have more that one
! sub-block, if not its a dummy, why does the YTM response contain dummies?
! I have no clue. We skip these.
! Remember that we appended the linkBlock to result, treating that like the
! other constituents of a result block will lead to errors, hence the 'in
! result[:-1] ,i.e., skip last element in array '
*/
for(detail in result.subList(0,result.size-1)){
if(detail.obj("musicResponsiveListItemFlexColumnRenderer")?.size!! < 2) continue
// if not a dummy, collect All Variables
val details = detail.obj("musicResponsiveListItemFlexColumnRenderer")
?.obj("text")
?.array<JsonObject>("runs") ?: listOf()
for (d in details){
d["text"]?.let {
if(it.toString() != " • "){
availableDetails.add(
it.toString()
)
}
}
}
}
// log("YT Music details",availableDetails.toString())
/*
! Filter Out non-Song/Video results and incomplete results here itself
! From what we know about detail order, note that [1] - indicate result type
*/
if ( availableDetails.size == 5 && availableDetails[1] in listOf("Song","Video") ){
// skip if result is in hours instead of minutes (no song is that long)
if(availableDetails[4].split(':').size != 2) continue
/*
! grab Video ID
! this is nested as [playlistEndpoint/watchEndpoint][videoId/playlistId/...]
! so hardcoding the dict keys for data look up is an ardours process, since
! the sub-block pattern is fixed even though the key isn't, we just
! reference the dict keys by index
*/
val videoId:String? = result.last().obj("watchEndpoint")?.get("videoId") as String?
val ytTrack = YoutubeTrack(
name = availableDetails[0],
type = availableDetails[1],
artist = availableDetails[2],
duration = availableDetails[4],
videoId = videoId
)
youtubeTracks.add(ytTrack)
}
}
}
logger.i(youtubeTracks.joinToString(" abc \n"),tag)
return youtubeTracks
}
actual fun sortByBestMatch(ytTracks:List<YoutubeTrack>,
trackName:String,
trackArtists:List<String>,
trackDurationSec:Int,
):Map<String,Int>{
/*
* "linksWithMatchValue" is map with Youtube VideoID and its rating/match with 100 as Max Value
**/
val linksWithMatchValue = mutableMapOf<String,Int>()
for (result in ytTracks){
// LoweCasing Name to match Properly
// most song results on youtube go by $artist - $songName or artist1/artist2
var hasCommonWord = false
val resultName = result.name?.toLowerCase()?.replace("-"," ")?.replace("/"," ") ?: ""
val trackNameWords = trackName.toLowerCase().split(" ")
for (nameWord in trackNameWords){
if (nameWord.isNotBlank() && FuzzySearch.partialRatio(nameWord,resultName) > 85) hasCommonWord = true
}
// Skip this Result if No Word is Common in Name
if (!hasCommonWord) {
//log("YT Api Removing", result.toString())
continue
}
// Find artist match
// Will Be Using Fuzzy Search Because YT Spelling might be mucked up
// match = (no of artist names in result) / (no. of artist names on spotify) * 100
var artistMatchNumber = 0
if(result.type == "Song"){
for (artist in trackArtists){
if(FuzzySearch.ratio(artist.toLowerCase(),result.artist?.toLowerCase()) > 85)
artistMatchNumber++
}
}else{//i.e. is a Video
for (artist in trackArtists) {
if(FuzzySearch.partialRatio(artist.toLowerCase(),result.name?.toLowerCase()) > 85)
artistMatchNumber++
}
}
if(artistMatchNumber == 0) {
//log("YT Api Removing", result.toString())
continue
}
val artistMatch = (artistMatchNumber / trackArtists.size ) * 100
// Duration Match
/*! time match = 100 - (delta(duration)**2 / original duration * 100)
! difference in song duration (delta) is usually of the magnitude of a few
! seconds, we need to amplify the delta if it is to have any meaningful impact
! wen we calculate the avg match value*/
val difference = result.duration?.split(":")?.get(0)?.toInt()?.times(60)
?.plus(result.duration?.split(":")?.get(1)?.toInt()?:0)
?.minus(trackDurationSec)?.absoluteValue ?: 0
val nonMatchValue :Float= ((difference*difference).toFloat()/trackDurationSec.toFloat())
val durationMatch = 100 - (nonMatchValue*100)
val avgMatch = (artistMatch + durationMatch)/2
linksWithMatchValue[result.videoId.toString()] = avgMatch.toInt()
}
//log("YT Api Result", "$trackName - $linksWithMatchValue")
return linksWithMatchValue.toList().sortedByDescending { it.second }.toMap()
}
actual suspend fun getYoutubeMusicResponse(query: String):String{
return httpClient.post("https://music.youtube.com/youtubei/v1/search?alt=json&key=$apiKey"){
contentType(ContentType.Application.Json)
headers{
//append("Content-Type"," application/json")
append("Referer"," https://music.youtube.com/search")
}
body = buildJsonObject {
putJsonObject("context"){
putJsonObject("client"){
put("clientName" ,"WEB_REMIX")
put("clientVersion" ,"0.1")
}
}
put("query",query)
}
}
}
}

16
fuzzywuzzy/app/build.gradle
View File

@ -24,15 +24,17 @@ kotlin {
}
}
/*
wasm32("wasm")
iosArm64("ios")
iosX64("iosSim")
macosX64("macos")
mingwX64("win")
wasm32("wasm")
linuxArm32Hfp("linArm32")
linuxMips32("linMips32")
linuxMipsel32("linMipsel32")
linuxX64("lin64")
*/
sourceSets {
commonMain {
@ -81,16 +83,16 @@ kotlin {
implementation kotlin("stdlib-js")
}
}
nativeMain {
/*nativeMain {
kotlin.srcDir('src/nativeMain/kotlin')
}
}*/
iosSimMain.dependsOn iosMain
iosSimTest.dependsOn iosTest
//iosSimMain.dependsOn iosMain
//iosSimTest.dependsOn iosTest
configure([targets.ios, targets.iosSim, targets.macos, targets.win, targets.linArm32, targets.linMips32, targets.linMipsel32, targets.lin64]) {
/*configure([targets.ios, targets.iosSim, targets.macos, targets.win, targets.linArm32, targets.linMips32, targets.linMipsel32, targets.lin64]) {
compilations.main.source(sourceSets.nativeMain)
}
}*/
}
}