DownloadWorker: Download required shared libs for apps

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/data/room/AuroraDatabase.kt

@@ -2,10 +2,13 @@ package com.aurora.store.data.room
 
 import androidx.room.Database
 import androidx.room.RoomDatabase
+import androidx.room.TypeConverters
 import com.aurora.store.data.room.download.Download
 import com.aurora.store.data.room.download.DownloadDao
+import com.aurora.store.data.room.download.DownloadConverter
 
 @Database(entities = [Download::class], version = 1, exportSchema = false)
+@TypeConverters(DownloadConverter::class)
 abstract class AuroraDatabase : RoomDatabase() {
     abstract fun downloadDao(): DownloadDao
 }

app/src/main/java/com/aurora/store/data/room/download/Download.kt

@@ -23,7 +23,8 @@ data class Download(
     var speed: Long,
     var timeRemaining: Long,
     var totalFiles: Int,
-    var downloadedFiles: Int
+    var downloadedFiles: Int,
+    val sharedLibs: List<SharedLib>
 ) : Parcelable {
     val isFinished get() = status in DownloadStatus.finished
 
@@ -43,7 +44,8 @@ data class Download(
                 0L,
                 0L,
                 0,
-                0
+                0,
+                app.dependencies.dependentLibraries.map { SharedLib.fromApp(it) }
             )
         }
     }

app/src/main/java/com/aurora/store/data/room/download/DownloadConverter.kt

@@ -0,0 +1,19 @@
+package com.aurora.store.data.room.download
+
+import androidx.room.TypeConverter
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+
+object DownloadConverter {
+
+    @TypeConverter
+    fun toSharedLibList(string: String): List<SharedLib> {
+        val listType = object : TypeToken<List<SharedLib>>() {}.type
+        return Gson().fromJson(string, listType)
+    }
+
+    @TypeConverter
+    fun fromSharedLibList(list: List<SharedLib>): String {
+        return Gson().toJson(list)
+    }
+}

app/src/main/java/com/aurora/store/data/room/download/SharedLib.kt

@@ -0,0 +1,17 @@
+package com.aurora.store.data.room.download
+
+import android.os.Parcelable
+import com.aurora.gplayapi.data.models.App
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+data class SharedLib(
+    val packageName: String,
+    val versionCode: Int
+) : Parcelable {
+    companion object {
+        fun fromApp(app: App): SharedLib {
+            return SharedLib(app.packageName, app.versionCode)
+        }
+    }
+}

app/src/main/java/com/aurora/store/data/work/DownloadWorker.kt

@@ -35,7 +35,6 @@ import kotlinx.coroutines.withContext
 import java.io.File
 import java.net.URL
 import kotlinx.coroutines.NonCancellable
-import kotlin.io.path.ExperimentalPathApi
 import kotlin.properties.Delegates
 import com.aurora.gplayapi.data.models.File as GPlayFile
 
@@ -89,16 +88,33 @@ class DownloadWorker @AssistedInject constructor(
             return Result.failure()
         }
 
-        // Download and verify all files exists
+        // Create dirs & generate download request for files and shared libs (if any)
-        totalBytes = files.sumOf { it.size }
-
         PathUtil.getAppDownloadDir(appContext, download.packageName, download.versionCode).mkdirs()
         if (files.any { it.type == GPlayFile.FileType.OBB || it.type == GPlayFile.FileType.PATCH }) {
             PathUtil.getObbDownloadDir(download.packageName).mkdirs()
         }
 
-        val requestList = getDownloadRequest(files)
+        val requestList = mutableListOf<Request>()
+        if (download.sharedLibs.isNotEmpty()) {
+            // Purchase and append shared libs data to existing request
+            download.sharedLibs.forEach {
+                PathUtil.getLibDownloadDir(
+                    appContext,
+                    download.packageName,
+                    download.versionCode,
+                    it.packageName
+                ).mkdirs()
+                val libs = purchaseHelper.purchase(it.packageName, it.versionCode, 0)
+                requestList.addAll(getDownloadRequest(libs, it.packageName))
+            }
+        }
+        requestList.addAll(getDownloadRequest(files, null))
+
+        // Update data for notification
         download.totalFiles = requestList.size
+        totalBytes = requestList.sumOf { it.size }
+
+        // Download and verify all files exists
         requestList.forEach { request ->
             downloading = true
             runCatching { downloadFile(request); download.downloadedFiles++ }
@@ -134,7 +150,6 @@ class DownloadWorker @AssistedInject constructor(
         return Result.success()
     }
 
-    @OptIn(ExperimentalPathApi::class)
     private suspend fun onFailure() {
         withContext(NonCancellable) {
             Log.i(TAG, "Cleaning up!")
@@ -147,13 +162,13 @@ class DownloadWorker @AssistedInject constructor(
         }
     }
 
-    private fun getDownloadRequest(files: List<GPlayFile>): List<Request> {
+    private fun getDownloadRequest(files: List<GPlayFile>, libPackageName: String?): List<Request> {
         val downloadList = mutableListOf<Request>()
         files.filter { it.url.isNotBlank() }.forEach {
             val filePath = when (it.type) {
                 GPlayFile.FileType.BASE, GPlayFile.FileType.SPLIT -> {
                     PathUtil.getApkDownloadFile(
-                        appContext, download.packageName, download.versionCode, it
+                        appContext, download.packageName, download.versionCode, it, libPackageName
                     )
                 }
 

app/src/main/java/com/aurora/store/util/PathUtil.kt

@@ -32,6 +32,8 @@ fun Context.getInternalBaseDirectory(): String {
 
 object PathUtil {
 
+    private const val libraries = "libraries"
+
     private fun getDownloadDirectory(context: Context): String {
         return if (context.isExternalStorageEnable()) {
             getExternalPath(context)
@@ -47,22 +49,45 @@ object PathUtil {
     private fun getVersionDirectory(
         context: Context,
         packageName: String,
-        versionCode: Int
+        versionCode: Int,
+        sharedLibPackageName: String? = null
     ): String {
-        return getPackageDirectory(context, packageName) + "/$versionCode"
+        return if (!sharedLibPackageName.isNullOrBlank()) {
+            getLibDownloadDir(context, packageName, versionCode, sharedLibPackageName).absolutePath
+        } else {
+            getPackageDirectory(context, packageName) + "/$versionCode"
+        }
     }
 
     fun getAppDownloadDir(context: Context, packageName: String, versionCode: Int): File {
         return File(getPackageDirectory(context, packageName), versionCode.toString())
     }
 
+    fun getLibDownloadDir(
+        context: Context,
+        packageName: String,
+        versionCode: Int,
+        sharedLibPackageName: String
+    ): File {
+        return File(
+            getAppDownloadDir(context, packageName, versionCode).absolutePath,
+            "$libraries/$sharedLibPackageName"
+        )
+    }
+
     fun getApkDownloadFile(
         context: Context,
         packageName: String,
         versionCode: Int,
-        file: GPlayFile
+        file: GPlayFile,
+        sharedLibPackageName: String? = null
     ): String {
-        return getVersionDirectory(context, packageName, versionCode) + "/${file.name}"
+        return getVersionDirectory(
+            context,
+            packageName,
+            versionCode,
+            sharedLibPackageName
+        ) + "/${file.name}"
     }
 
     fun getApkDownloadFile(context: Context, packageName: String, versionCode: Int): String {
@@ -71,7 +96,7 @@ object PathUtil {
 
     fun getExternalPath(context: Context): String {
         val defaultDir =
-            java.io.File("${Environment.getExternalStorageDirectory().absolutePath}/Aurora/Store")
+            File("${Environment.getExternalStorageDirectory().absolutePath}/Aurora/Store")
 
         if (!defaultDir.exists())
             defaultDir.mkdirs()
@@ -112,8 +137,8 @@ object PathUtil {
         return "${context.getInternalBaseDirectory()}/SpoofConfigs"
     }
 
-    fun getNewEmptySpoofConfig(context: Context): java.io.File {
+    fun getNewEmptySpoofConfig(context: Context): File {
-        val file = java.io.File("${getSpoofDirectory(context)}/${UUID.randomUUID()}.properties")
+        val file = File("${getSpoofDirectory(context)}/${UUID.randomUUID()}.properties")
         file.parentFile?.mkdirs()
         file.createNewFile()
         return file
@@ -121,9 +146,9 @@ object PathUtil {
 
     fun canWriteToDirectory(context: Context, directoryPath: String): Boolean {
         val directory = if (directoryPath.startsWith("/")) {
-            java.io.File(directoryPath)
+            File(directoryPath)
         } else {
-            java.io.File(context.getExternalFilesDir(null), directoryPath)
+            File(context.getExternalFilesDir(null), directoryPath)
         }
 
         return if (isRAndAbove()) {