AppDetailFragment: Launch batch transfer after download.

app/src/main/java/de/ccc/events/badge/card10/hatchery/AppDetailFragment.kt

@@ -22,6 +22,7 @@
 
 package de.ccc.events.badge.card10.hatchery
 
+import android.net.Uri
 import android.os.AsyncTask
 import android.os.Bundle
 import android.util.Log
@@ -29,9 +30,13 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
+import androidx.core.net.toUri
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
 import de.ccc.events.badge.card10.R
 import de.ccc.events.badge.card10.common.LoadingDialog
+import de.ccc.events.badge.card10.filetransfer.BatchTransferFragment
+import de.ccc.events.badge.card10.filetransfer.TransferJob
 import kotlinx.android.synthetic.main.app_detail_fragment.*
 import org.apache.commons.compress.archivers.tar.TarArchiveInputStream
 import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream
@@ -73,7 +78,8 @@ class AppDetailFragment : Fragment() {
                     ) { dialog, _ -> dialog.dismiss() }
                     .create()
 
-            ReleaseDownload(app, ctx.cacheDir, loadingDialog, errorDialog).execute()
+            val fm = fragmentManager ?: throw java.lang.IllegalStateException()
+            ReleaseDownload(app, ctx.cacheDir, loadingDialog, errorDialog, fm).execute()
         }
     }
 
@@ -81,10 +87,11 @@ class AppDetailFragment : Fragment() {
         private val app: App,
         private val cacheDir: File,
         private val loadingDialog: LoadingDialog,
-        private val errorDialog: AlertDialog
-    ) : AsyncTask<Void, Void, List<String>?>() {
+        private val errorDialog: AlertDialog,
+        private val fragmentManager: FragmentManager
+    ) : AsyncTask<Void, Void, List<TransferJob>?>() {
 
-        override fun doInBackground(vararg p0: Void?): List<String>? {
+        override fun doInBackground(vararg p0: Void?): List<TransferJob>? {
             return try {
                 cacheDir.deleteRecursively()
                 cacheDir.mkdir()
@@ -96,7 +103,7 @@ class AppDetailFragment : Fragment() {
 
                 inputStream.copyTo(outputStream)
 
-                val appFiles = mutableListOf<String>()
+                val appFiles = mutableListOf<TransferJob>()
                 val tarStream = TarArchiveInputStream(GzipCompressorInputStream(file.inputStream()))
                 while (true) {
                     val entry = tarStream.nextTarEntry ?: break
@@ -110,7 +117,7 @@ class AppDetailFragment : Fragment() {
                     targetFile.createNewFile()
                     Log.d(TAG, "Extracting ${entry.name} to ${targetFile.absolutePath}")
                     tarStream.copyTo(targetFile.outputStream())
-                    appFiles.add("apps/${entry.name}")
+                    appFiles.add(TransferJob(targetFile.toUri(), "apps/${entry.name}"))
                 }
 
                 val launcher = createLauncher(app.slug, cacheDir)
@@ -122,17 +129,27 @@ class AppDetailFragment : Fragment() {
             }
         }
 
-        override fun onPostExecute(result: List<String>?) {
-            if (result == null) {
+        override fun onPostExecute(jobs: List<TransferJob>?) {
+            if (jobs == null) {
                 loadingDialog.dismiss()
                 errorDialog.show()
                 return
             }
 
             loadingDialog.dismiss()
+
+            val bundle = Bundle()
+            bundle.putParcelableArray("jobs", jobs.toTypedArray())
+            val fragment = BatchTransferFragment()
+            fragment.arguments = bundle
+
+            fragmentManager.beginTransaction()
+                .replace(R.id.fragment_container, fragment)
+                .addToBackStack(null)
+                .commit()
         }
 
-        fun createLauncher(slug: String, cacheDir: File): String {
+        fun createLauncher(slug: String, cacheDir: File): TransferJob {
             val fileName = "$slug.py"
             val file = File(cacheDir, fileName)
             file.createNewFile()
@@ -145,7 +162,7 @@ class AppDetailFragment : Fragment() {
 
             file.writeText(src)
 
-            return fileName
+            return TransferJob(file.toUri(), fileName)
         }
     }
 }