26-27 lesson homework

app/build.gradle

@@ -1,6 +1,8 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'androidx.navigation.safeargs.kotlin'
+    id 'kotlinx-serialization'
 }
 
 android {
@@ -29,13 +31,44 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    viewBinding {
+        enabled = true
+    }
 }
 
 dependencies {
+    def koin_version= "3.2.0"
+// Koin Core features
+    implementation "io.insert-koin:koin-android:$koin_version"
+    implementation "io.insert-koin:koin-core:$koin_version"
+// Navigation Graph
+    implementation "io.insert-koin:koin-androidx-navigation:$koin_version"
+// Koin Test features
+    testImplementation "io.insert-koin:koin-test:$koin_version"
+
+    implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:0.8.0"
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation "com.squareup.okhttp3:okhttp:4.9.3"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.1"
+
+    implementation "androidx.navigation:navigation-fragment-ktx:2.4.2"
+    implementation "androidx.navigation:navigation-ui-ktx:2.4.2"
+
+    implementation "androidx.fragment:fragment-ktx:1.4.1"
+    implementation "androidx.activity:activity-ktx:1.4.0"
+
+    implementation "androidx.recyclerview:recyclerview:1.2.1"
+
+    implementation "io.coil-kt:coil:2.0.0-rc03"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.1"
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.4.1'
 
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.4.1'
-    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'com.google.android.material:material:1.6.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'

app/src/main/AndroidManifest.xml

@@ -2,15 +2,17 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.github.krottv.tmstemp">
 
+    <uses-permission android:name="android.permission.INTERNET"/>
     <application
+        android:name=".MyApp"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.TmsTemp">
         <activity
-            android:name=".MainActivity"
+            android:name=".view.MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/github/krottv/tmstemp/MyApp.kt

@@ -0,0 +1,39 @@
+package com.github.krottv.tmstemp
+
+import android.app.Application
+import com.github.krottv.tmstemp.data.ITunesRemoteDataSourceRetrofit
+import com.github.krottv.tmstemp.data.LibraryRemoteDataSourceRetrofit
+import com.github.krottv.tmstemp.data.MusicApi
+import com.github.krottv.tmstemp.presentation.AlbumsViewModel
+import com.github.krottv.tmstemp.presentation.TracksViewModel
+import org.koin.android.ext.koin.androidContext
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.core.context.startKoin
+import org.koin.core.module.Module
+import org.koin.core.module.dsl.factoryOf
+import org.koin.dsl.module
+
+class MyApp : Application() {
+
+    private val itunesModule: Module
+        get() = module {
+            factory<MusicApi> { ITunesRemoteDataSourceRetrofit() }
+        }
+    private val libraryModule: Module
+        get() = module {
+            factory<MusicApi> { LibraryRemoteDataSourceRetrofit() }
+        }
+    private val viewModelModule: Module
+        get() = module {
+            viewModel { AlbumsViewModel(get()) }
+            viewModel { TracksViewModel(get()) }
+        }
+
+    override fun onCreate() {
+        super.onCreate()
+        startKoin {
+            androidContext(this@MyApp)
+            modules(libraryModule, itunesModule, viewModelModule)
+        }
+    }
+}

app/src/main/java/com/github/krottv/tmstemp/data/DataSourceFake.kt

@@ -0,0 +1,20 @@
+package com.github.krottv.tmstemp.data
+
+import com.github.krottv.tmstemp.domain.AlbumModel
+
+class DataSourceFake {
+
+    fun getITunesAlbums(): List<AlbumModel>{
+        val model = AlbumModel(0,
+        "https://inspiry-2ee60.web.app/music/images/itunes/hip_hop.jpg",
+        "Some Text",
+        10)
+
+        val mutableListOf = ArrayList<AlbumModel>(10)
+        for (i in 0..10){
+            mutableListOf.add(model.copy(name = "Some Text $i"))
+        }
+
+        return mutableListOf
+    }
+}

app/src/main/java/com/github/krottv/tmstemp/data/ITunesRemoteDataSourceRetrofit.kt

@@ -0,0 +1,35 @@
+package com.github.krottv.tmstemp.data
+
+import android.util.Log
+import com.github.krottv.tmstemp.domain.AlbumModel
+import com.github.krottv.tmstemp.domain.Tracks
+import com.github.krottv.tmstemp.domain.TracksModel
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import retrofit2.Retrofit
+import retrofit2.create
+
+class ITunesRemoteDataSourceRetrofit : MusicApi {
+
+    override suspend fun getAlbums(): List<AlbumModel> {
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://us-central1-inspiry-2ee60.cloudfunctions.net/getItunesAlbums/")
+            .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .build()
+
+        val musicApi: MusicApi = retrofit.create()
+        return musicApi.getAlbums()
+    }
+
+    override suspend fun getTracks(albumId: Long): TracksModel {
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://us-central1-inspiry-2ee60.cloudfunctions.net/getItunesTracks/")
+            .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .build()
+
+        val musicApi: MusicApi = retrofit.create()
+
+        return musicApi.getTracks(1)
+    }
+}

app/src/main/java/com/github/krottv/tmstemp/data/LibraryRemoteDataSourceRetrofit.kt

@@ -0,0 +1,34 @@
+package com.github.krottv.tmstemp.data
+
+import com.github.krottv.tmstemp.domain.AlbumModel
+import com.github.krottv.tmstemp.domain.TracksModel
+import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
+import kotlinx.serialization.json.Json
+import okhttp3.MediaType.Companion.toMediaType
+import retrofit2.Retrofit
+import retrofit2.create
+
+class LibraryRemoteDataSourceRetrofit : MusicApi {
+
+    override suspend fun getAlbums(): List<AlbumModel> {
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://us-central1-inspiry-2ee60.cloudfunctions.net/getLibraryAlbums/")
+            .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .build()
+
+        val musicApi: MusicApi = retrofit.create()
+
+        return musicApi.getAlbums()
+    }
+
+    override suspend fun getTracks(albumId: Long): TracksModel {
+        val retrofit = Retrofit.Builder()
+            .baseUrl("https://us-central1-inspiry-2ee60.cloudfunctions.net/getLibraryTracks/")
+            .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
+            .build()
+
+        val musicApi: MusicApi = retrofit.create()
+
+        return musicApi.getTracks(1)
+    }
+}

app/src/main/java/com/github/krottv/tmstemp/data/MusicApi.kt

@@ -0,0 +1,14 @@
+package com.github.krottv.tmstemp.data
+
+import com.github.krottv.tmstemp.domain.AlbumModel
+import com.github.krottv.tmstemp.domain.TracksModel
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+interface MusicApi {
+    @GET("getAlbums")
+    suspend fun getAlbums(): List<AlbumModel>
+
+    @GET("getTrack")
+    suspend fun getTracks(@Query("albumId") albumId: Long): TracksModel
+}

app/src/main/java/com/github/krottv/tmstemp/domain/Album.kt

@@ -0,0 +1,11 @@
+package com.github.krottv.tmstemp.domain
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Album(
+    var id: Int,
+    var image: String,
+    var name: String,
+    var trackCount: Int
+)

app/src/main/java/com/github/krottv/tmstemp/domain/AlbumModel.kt

@@ -0,0 +1,13 @@
+package com.github.krottv.tmstemp.domain
+
+import android.media.Image
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AlbumModel(
+    val id: Long,
+    val image: String,
+    val name: String,
+    val trackCount: Int) {
+
+}

app/src/main/java/com/github/krottv/tmstemp/domain/Tracks.kt

@@ -0,0 +1,11 @@
+package com.github.krottv.tmstemp.domain
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Tracks(
+    var artist: String,
+    var image: String,
+    var title: String,
+    var url: String
+)

app/src/main/java/com/github/krottv/tmstemp/domain/TracksModel.kt

@@ -0,0 +1,9 @@
+package com.github.krottv.tmstemp.domain
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TracksModel(
+    var album: Album ,
+    var tracks: ArrayList<Tracks>
+)

app/src/main/java/com/github/krottv/tmstemp/presentation/AlbumsViewModel.kt

@@ -0,0 +1,25 @@
+package com.github.krottv.tmstemp.presentation
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.github.krottv.tmstemp.data.ITunesRemoteDataSourceRetrofit
+import com.github.krottv.tmstemp.data.MusicApi
+import com.github.krottv.tmstemp.domain.AlbumModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class AlbumsViewModel(val musicApi: MusicApi): ViewModel(){
+
+    private val _stateITunes = MutableStateFlow<List<AlbumModel>?>(null)
+    val stateITunes: StateFlow<List<AlbumModel>?> = _stateITunes
+
+    fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _stateITunes.emit(musicApi.getAlbums())
+        }
+    }
+
+
+}