feat: lyrics tab (#113)

app/src/main/java/com/android/swingmusic/presentation/navigator/CoreNavigator.kt

@@ -9,6 +9,7 @@ import com.android.swingmusic.auth.presentation.screen.destinations.LoginWithUse
 import com.android.swingmusic.common.presentation.navigator.CommonNavigator
 import com.android.swingmusic.folder.presentation.screen.destinations.FoldersAndTracksScreenDestination
 import com.android.swingmusic.home.presentation.destinations.HomeDestination
+import com.android.swingmusic.player.presentation.screen.destinations.LyricsScreenDestination
 import com.android.swingmusic.player.presentation.screen.destinations.QueueScreenDestination
 import com.android.swingmusic.search.presentation.screen.destinations.ViewAllSearchResultsDestination
 import com.ramcosta.composedestinations.navigation.navigate
@@ -145,4 +146,10 @@ class CoreNavigator(
             launchSingleTop = true
         }
     }
+
+    override fun gotoLyrics() {
+        navController.navigate(LyricsScreenDestination) {
+            launchSingleTop = true
+        }
+    }
 }

app/src/main/java/com/android/swingmusic/presentation/navigator/NavGraphs.kt

@@ -9,6 +9,7 @@ import com.android.swingmusic.auth.presentation.screen.destinations.LoginWithQrC
 import com.android.swingmusic.auth.presentation.screen.destinations.LoginWithUsernameScreenDestination
 import com.android.swingmusic.folder.presentation.screen.destinations.FoldersAndTracksScreenDestination
 import com.android.swingmusic.home.presentation.destinations.HomeDestination
+import com.android.swingmusic.player.presentation.screen.destinations.LyricsScreenDestination
 import com.android.swingmusic.player.presentation.screen.destinations.NowPlayingScreenDestination
 import com.android.swingmusic.player.presentation.screen.destinations.QueueScreenDestination
 import com.android.swingmusic.search.presentation.screen.destinations.SearchScreenDestination
@@ -43,6 +44,7 @@ object NavGraphs {
                     // inner destinations
                     NowPlayingScreenDestination,
                     QueueScreenDestination,
+                    LyricsScreenDestination,
                     AlbumWithInfoScreenDestination,
                     ViewAllScreenOnArtistDestination,
                     ArtistInfoScreenDestination,

core/src/main/java/com/android/swingmusic/core/data/dto/LyricsCheckDto.kt

@@ -0,0 +1,8 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class LyricsCheckDto(
+    @SerializedName("exists")
+    val exists: Boolean?
+)

core/src/main/java/com/android/swingmusic/core/data/dto/LyricsDto.kt

@@ -0,0 +1,14 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class LyricsDto(
+    @SerializedName("error")
+    val error: Boolean?,
+    @SerializedName("synced")
+    val synced: Boolean?,
+    @SerializedName("lyrics")
+    val lyrics: List<LyricsLineDto>?,
+    @SerializedName("copyright")
+    val copyright: String?
+)

core/src/main/java/com/android/swingmusic/core/data/dto/LyricsLineDto.kt

@@ -0,0 +1,10 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class LyricsLineDto(
+    @SerializedName("time")
+    val time: Double?,
+    @SerializedName("text")
+    val text: String?
+)

core/src/main/java/com/android/swingmusic/core/data/dto/LyricsRequestDto.kt

@@ -0,0 +1,10 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class LyricsRequestDto(
+    @SerializedName("filepath")
+    val filepath: String,
+    @SerializedName("trackhash")
+    val trackhash: String
+)

core/src/main/java/com/android/swingmusic/core/data/dto/PluginLyricsRequestDto.kt

@@ -0,0 +1,16 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class PluginLyricsRequestDto(
+    @SerializedName("trackhash")
+    val trackhash: String,
+    @SerializedName("title")
+    val title: String,
+    @SerializedName("artist")
+    val artist: String,
+    @SerializedName("filepath")
+    val filepath: String,
+    @SerializedName("album")
+    val album: String
+)

core/src/main/java/com/android/swingmusic/core/data/dto/PluginLyricsResultDto.kt

@@ -0,0 +1,12 @@
+package com.android.swingmusic.core.data.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class PluginLyricsResultDto(
+    @SerializedName("trackhash")
+    val trackhash: String?,
+    @SerializedName("lyrics")
+    val lyrics: List<LyricsLineDto>?,
+    @SerializedName("error")
+    val error: String?
+)

core/src/main/java/com/android/swingmusic/core/data/mapper/Mapper.kt

@@ -18,6 +18,9 @@ import com.android.swingmusic.core.data.dto.FolderDto
 import com.android.swingmusic.core.data.dto.FoldersAndTracksDto
 import com.android.swingmusic.core.data.dto.FoldersAndTracksRequestDto
 import com.android.swingmusic.core.data.dto.GenreDto
+import com.android.swingmusic.core.data.dto.LyricsDto
+import com.android.swingmusic.core.data.dto.LyricsLineDto
+import com.android.swingmusic.core.data.dto.PluginLyricsResultDto
 import com.android.swingmusic.core.data.dto.RootDirsDto
 import com.android.swingmusic.core.data.dto.TopResultItemDto
 import com.android.swingmusic.core.data.dto.TopSearchResultsDto
@@ -42,6 +45,8 @@ import com.android.swingmusic.core.domain.model.Folder
 import com.android.swingmusic.core.domain.model.FoldersAndTracks
 import com.android.swingmusic.core.domain.model.FoldersAndTracksRequest
 import com.android.swingmusic.core.domain.model.Genre
+import com.android.swingmusic.core.domain.model.Lyrics
+import com.android.swingmusic.core.domain.model.LyricsLine
 import com.android.swingmusic.core.domain.model.RootDirs
 import com.android.swingmusic.core.domain.model.TopResultItem
 import com.android.swingmusic.core.domain.model.TopSearchResults
@@ -112,6 +117,34 @@ object Map {
         )
     }
 
+    fun LyricsLineDto.toLyricsLine(): LyricsLine {
+        return LyricsLine(
+            time = (time ?: 0.0).toLong(),
+            text = text ?: ""
+        )
+    }
+
+    fun LyricsDto.toLyrics(): Lyrics {
+        val lines = lyrics?.map { it.toLyricsLine() } ?: emptyList()
+        val hasError = error == true
+        return Lyrics(
+            synced = synced ?: true,
+            lines = if (hasError) emptyList() else lines,
+            copyright = copyright ?: "",
+            exists = !hasError && lines.isNotEmpty()
+        )
+    }
+
+    fun PluginLyricsResultDto.toLyrics(): Lyrics {
+        val lines = lyrics?.map { it.toLyricsLine() } ?: emptyList()
+        return Lyrics(
+            synced = true,
+            lines = lines,
+            copyright = "",
+            exists = lines.isNotEmpty()
+        )
+    }
+
     fun FoldersAndTracksRequestDto.toFolderAndTracksRequest(): FoldersAndTracksRequest {
         return FoldersAndTracksRequest(
             folder = folder ?: "",

core/src/main/java/com/android/swingmusic/core/domain/model/Lyrics.kt

@@ -0,0 +1,8 @@
+package com.android.swingmusic.core.domain.model
+
+data class Lyrics(
+    val synced: Boolean,
+    val lines: List<LyricsLine>,
+    val copyright: String,
+    val exists: Boolean
+)

core/src/main/java/com/android/swingmusic/core/domain/model/LyricsLine.kt

@@ -0,0 +1,6 @@
+package com.android.swingmusic.core.domain.model
+
+data class LyricsLine(
+    val time: Long,
+    val text: String
+)

feature/common/src/main/java/com/android/swingmusic/common/presentation/navigator/CommonNavigator.kt

@@ -25,4 +25,6 @@ interface CommonNavigator {
 
     fun gotoSourceFolder(name: String, path: String)
 
+    fun gotoLyrics()
+
 }

feature/player/build.gradle.kts

@@ -46,6 +46,7 @@ dependencies {
     implementation(project(":uicomponent"))
     // Common
     implementation(project(":feature:common"))
+    implementation(project(":feature:settings"))
 
     // Core
     implementation(libs.androidx.core.ktx)
@@ -66,6 +67,7 @@ dependencies {
     // Hilt DI
     implementation(libs.hilt.android)
     ksp(libs.hilt.android.compiler)
+    implementation(libs.androidx.hilt.navigation.compose)
 
     // Retrofit
     implementation(libs.retrofit)

feature/player/src/main/java/com/android/swingmusic/player/data/di/RepositoryModule.kt

@@ -1,12 +1,15 @@
 package com.android.swingmusic.player.data.di
 
 
+import com.android.swingmusic.player.data.repository.DataLyricsRepository
 import com.android.swingmusic.player.data.repository.DataPLayerRepository
+import com.android.swingmusic.player.domain.repository.LyricsRepository
 import com.android.swingmusic.player.domain.repository.PLayerRepository
 import dagger.Binds
 import dagger.Module
 import dagger.hilt.InstallIn
 import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
 
 @Module
 @InstallIn(SingletonComponent::class)
@@ -15,4 +18,10 @@ abstract class RepositoryModule {
     abstract fun bindQueueRepository(
         dataQueueRepository: DataPLayerRepository
     ): PLayerRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindLyricsRepository(
+        dataLyricsRepository: DataLyricsRepository
+    ): LyricsRepository
 }

feature/player/src/main/java/com/android/swingmusic/player/data/repository/DataLyricsRepository.kt

@@ -0,0 +1,107 @@
+package com.android.swingmusic.player.data.repository
+
+import com.android.swingmusic.auth.data.baseurlholder.BaseUrlHolder
+import com.android.swingmusic.auth.data.tokenholder.AuthTokenHolder
+import com.android.swingmusic.auth.domain.repository.AuthRepository
+import com.android.swingmusic.core.data.dto.LyricsRequestDto
+import com.android.swingmusic.core.data.dto.PluginLyricsRequestDto
+import com.android.swingmusic.core.data.mapper.Map.toLyrics
+import com.android.swingmusic.core.data.util.Resource
+import com.android.swingmusic.core.domain.model.Lyrics
+import com.android.swingmusic.network.data.api.service.NetworkApiService
+import com.android.swingmusic.player.domain.repository.LyricsRepository
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import retrofit2.HttpException
+import timber.log.Timber
+import java.io.IOException
+import javax.inject.Inject
+
+class DataLyricsRepository @Inject constructor(
+    private val networkApiService: NetworkApiService,
+    private val authRepository: AuthRepository
+) : LyricsRepository {
+
+    private suspend fun authHeader(): String {
+        val token = AuthTokenHolder.accessToken ?: authRepository.getAccessToken()
+        return "Bearer ${token ?: "TOKEN NOT FOUND"}"
+    }
+
+    private suspend fun baseUrl(): String {
+        return BaseUrlHolder.baseUrl ?: authRepository.getBaseUrl() ?: ""
+    }
+
+    override suspend fun getLyrics(filepath: String, trackHash: String): Flow<Resource<Lyrics>> =
+        flow {
+            try {
+                emit(Resource.Loading())
+                val dto = networkApiService.getLyrics(
+                    url = "${baseUrl()}lyrics",
+                    request = LyricsRequestDto(filepath = filepath, trackhash = trackHash),
+                    bearerToken = authHeader()
+                )
+                emit(Resource.Success(dto.toLyrics()))
+            } catch (e: IOException) {
+                emit(Resource.Error<Lyrics>(message = "Unable to fetch lyrics\nCheck your connection and try again!"))
+            } catch (e: HttpException) {
+                emit(Resource.Error<Lyrics>(message = "Unable to fetch lyrics"))
+            } catch (e: Exception) {
+                Timber.tag("LYRICS").e(e)
+                emit(Resource.Error<Lyrics>(message = "Connection Failed"))
+            }
+        }
+
+    override suspend fun checkLyricsExist(filepath: String, trackHash: String): Boolean {
+        return try {
+            val dto = networkApiService.checkLyricsExist(
+                url = "${baseUrl()}lyrics/check",
+                request = LyricsRequestDto(filepath = filepath, trackhash = trackHash),
+                bearerToken = authHeader()
+            )
+            dto.exists ?: false
+        } catch (e: Exception) {
+            false
+        }
+    }
+
+    override suspend fun searchLyricsOnline(
+        trackHash: String,
+        title: String,
+        artist: String,
+        filepath: String,
+        album: String
+    ): Flow<Resource<Lyrics>> = flow {
+        try {
+            emit(Resource.Loading())
+            val dto = networkApiService.searchLyricsOnline(
+                url = "${baseUrl()}plugins/lyrics/search",
+                request = PluginLyricsRequestDto(
+                    trackhash = trackHash,
+                    title = title,
+                    artist = artist,
+                    filepath = filepath,
+                    album = album
+                ),
+                bearerToken = authHeader()
+            )
+            val pluginError = dto.error
+            if (!pluginError.isNullOrEmpty()) {
+                emit(Resource.Error<Lyrics>(message = pluginError))
+            } else {
+                val lyrics = dto.toLyrics()
+                if (lyrics.lines.isEmpty()) {
+                    emit(Resource.Error<Lyrics>(message = "No lyrics found"))
+                } else {
+                    emit(Resource.Success(lyrics.copy(exists = true)))
+                }
+            }
+        } catch (e: IOException) {
+            emit(Resource.Error<Lyrics>(message = "Unable to search lyrics\nCheck your connection and try again!"))
+        } catch (e: HttpException) {
+            emit(Resource.Error<Lyrics>(message = "Unable to search lyrics"))
+        } catch (e: Exception) {
+            Timber.tag("LYRICS").e(e)
+            emit(Resource.Error<Lyrics>(message = "Search failed"))
+        }
+    }
+}

feature/player/src/main/java/com/android/swingmusic/player/domain/repository/LyricsRepository.kt

@@ -0,0 +1,20 @@
+package com.android.swingmusic.player.domain.repository
+
+import com.android.swingmusic.core.data.util.Resource
+import com.android.swingmusic.core.domain.model.Lyrics
+import kotlinx.coroutines.flow.Flow
+
+interface LyricsRepository {
+
+    suspend fun getLyrics(filepath: String, trackHash: String): Flow<Resource<Lyrics>>
+
+    suspend fun checkLyricsExist(filepath: String, trackHash: String): Boolean
+
+    suspend fun searchLyricsOnline(
+        trackHash: String,
+        title: String,
+        artist: String,
+        filepath: String,
+        album: String
+    ): Flow<Resource<Lyrics>>
+}

feature/player/src/main/java/com/android/swingmusic/player/presentation/event/LyricsUiEvent.kt

@@ -0,0 +1,10 @@
+package com.android.swingmusic.player.presentation.event
+
+import com.android.swingmusic.core.domain.model.Track
+
+sealed interface LyricsUiEvent {
+    data class LoadLyrics(val track: Track) : LyricsUiEvent
+    data class PositionChanged(val positionMs: Long) : LyricsUiEvent
+    data class SetUserScrolled(val value: Boolean) : LyricsUiEvent
+    data class SearchOnline(val track: Track) : LyricsUiEvent
+}