idk wtf i'm doin'

app/src/main/java/xyz/quaver/pupil/util/download/Cache.kt

@@ -34,8 +34,10 @@ import xyz.quaver.pupil.util.getCachedGallery
 import xyz.quaver.pupil.util.getDownloadDirectory
 import xyz.quaver.pupil.util.isParentOf
 import xyz.quaver.pupil.util.json
+import java.io.BufferedInputStream
 import java.io.File
 import java.io.FileOutputStream
+import java.io.InputStream
 import java.net.URL
 import java.util.*
 import java.util.concurrent.locks.Lock
@@ -250,7 +252,7 @@ class Cache(context: Context) : ContextWrapper(context) {
     }
 
 
-    fun putImage(galleryID: Int, index: Int, ext: String, data: ByteArray) {
+    fun putImage(galleryID: Int, index: Int, ext: String, data: InputStream) {
         if (preference.getBoolean("cache_disable", false))
             return
 
@@ -260,8 +262,10 @@ class Cache(context: Context) : ContextWrapper(context) {
         }
 
         try {
-            FileOutputStream(cache).use {
-                it.write(data)
+            BufferedInputStream(data).use { inputStream ->
+                FileOutputStream(cache).use { outputStream ->
+                    inputStream.copyTo(outputStream)
+                }
             }
         } catch (e: Exception) {
             cache.delete()

app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt

@@ -143,7 +143,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
     *  null -> Download in progress / Loading
     */
     val exception = SparseArray<MutableList<Throwable?>?>()
-    val results = SparseArray<MutableList<ByteArray?>?>()
     val notification = SparseArray<NotificationCompat.Builder>()
 
     private val loop = loop()
@@ -196,7 +195,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
         progress.clear()
         exception.clear()
-        results.clear()
         notification.clear()
         notificationManager.cancelAll()
     }
@@ -213,7 +211,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
         progress.remove(galleryID)
         exception.remove(galleryID)
-        results.remove(galleryID)
         notification.remove(galleryID)
         notificationManager.cancel(galleryID)
 
@@ -262,7 +259,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
         if (reader == null) {
             progress.put(galleryID, null)
             exception.put(galleryID, null)
-            results.put(galleryID, null)
 
             Cache(this@DownloadWorker).setDownloading(galleryID, false)
             return@launch
@@ -277,9 +273,6 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
                 0F
         }.toMutableList())
         exception.put(galleryID, reader.galleryInfo.files.map { null }.toMutableList())
-        results.put(galleryID, reader.galleryInfo.files.indices.map { index ->
-            cache?.firstOrNull { it?.nameWithoutExtension?.toIntOrNull()  == index }?.readBytes()
-        }.toMutableList())
 
         if (notification[galleryID] == null)
             initNotification(galleryID)
@@ -329,19 +322,13 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
 
                     try {
                         response.body().use {
-                            it!!
-
-                            results[galleryID]?.set(i, it.source().readByteArray())
+                            Cache(this@DownloadWorker).putImage(galleryID, i, ext, it!!.byteStream())
                         }
                         progress[galleryID]?.set(i, Float.POSITIVE_INFINITY)
 
                         notify(galleryID)
 
                         CoroutineScope(Dispatchers.IO).launch {
-                            results[galleryID]?.get(i)?.also {
-                                Cache(this@DownloadWorker).putImage(galleryID, i, ext, it)
-                            }
-
                             if (isCompleted(galleryID)) {
                                 with(Cache(this@DownloadWorker)) {
                                     if (isDownloading(galleryID)) {

app/src/main/java/xyz/quaver/pupil/util/update.kt

@@ -319,7 +319,7 @@ fun importOldGalleries(context: Context, folder: File) = CoroutineScope(Dispatch
             @Suppress("NAME_SHADOWING")
             val index = it.nameWithoutExtension.toIntOrNull() ?: return@forEach
 
-            Cache(context).putImage(galleryID, index, it.extension, it.readBytes())
+            Cache(context).putImage(galleryID, index, it.extension, it.inputStream())
         }
     }