[stable-3.30] Fix wrong null->0L conversion

app/src/main/java/com/nextcloud/client/jobs/InternalTwoWaySyncWork.kt

@@ -52,6 +52,13 @@ class InternalTwoWaySyncWork(
                     return checkFreeSpaceResult
                 }
 
+                // do not attempt to sync root folder
+                if (folder.remotePath == OCFile.ROOT_PATH) {
+                    folder.internalFolderSyncTimestamp = -1L
+                    fileDataStorageManager.saveFile(folder)
+                    continue
+                }
+
                 Log_OC.d(TAG, "Folder ${folder.remotePath}: started!")
                 val operation = SynchronizeFolderOperation(context, folder.remotePath, user, fileDataStorageManager)
                     .execute(context)

app/src/main/java/com/owncloud/android/datamodel/FileDataStorageManager.java

@@ -976,6 +976,10 @@ private long nullToZero(Long i) {
         return (i == null) ? 0 : i;
     }
 
+    private long nullToMinusOne(Long i) {
+        return (i == null) ? -1L : i;
+    }
+
     private OCFile createFileInstance(FileEntity fileEntity) {
         OCFile ocFile = new OCFile(fileEntity.getPath());
         ocFile.setDecryptedRemotePath(fileEntity.getPathDecrypted());
@@ -1040,7 +1044,7 @@ private OCFile createFileInstance(FileEntity fileEntity) {
         ocFile.setLivePhoto(fileEntity.getMetadataLivePhoto());
         ocFile.setHidden(nullToZero(fileEntity.getHidden()) == 1);
         ocFile.setE2eCounter(fileEntity.getE2eCounter());
-        ocFile.setInternalFolderSyncTimestamp(nullToZero(fileEntity.getInternalTwoWaySync()));
+        ocFile.setInternalFolderSyncTimestamp(nullToMinusOne(fileEntity.getInternalTwoWaySync()));
 
         String sharees = fileEntity.getSharees();
         // Surprisingly JSON deserialization causes significant overhead.

app/src/main/java/com/owncloud/android/ui/adapter/InternalTwoWaySyncAdapter.kt

@@ -7,6 +7,7 @@
 
 package com.owncloud.android.ui.adapter
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.view.LayoutInflater
 import android.view.ViewGroup
@@ -17,8 +18,8 @@ import com.owncloud.android.datamodel.FileDataStorageManager
 import com.owncloud.android.datamodel.OCFile
 
 class InternalTwoWaySyncAdapter(
-    dataStorageManager: FileDataStorageManager,
-    user: User,
+    private val dataStorageManager: FileDataStorageManager,
+    private val user: User,
     val context: Context
 ) : RecyclerView.Adapter<InternalTwoWaySyncViewHolder>() {
     var folders: List<OCFile> = dataStorageManager.getInternalTwoWaySyncFolders(user)
@@ -38,6 +39,12 @@ class InternalTwoWaySyncAdapter(
     }
 
     override fun onBindViewHolder(holder: InternalTwoWaySyncViewHolder, position: Int) {
-        holder.bind(folders[position], context)
+        holder.bind(folders[position], context, dataStorageManager, this)
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun update() {
+        folders = dataStorageManager.getInternalTwoWaySyncFolders(user)
+        notifyDataSetChanged()
     }
 }

app/src/main/java/com/owncloud/android/ui/adapter/InternalTwoWaySyncViewHolder.kt

@@ -12,12 +12,18 @@ import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import com.owncloud.android.R
 import com.owncloud.android.databinding.InternalTwoWaySyncViewHolderBinding
+import com.owncloud.android.datamodel.FileDataStorageManager
 import com.owncloud.android.datamodel.OCFile
 import com.owncloud.android.utils.DisplayUtils
 
 class InternalTwoWaySyncViewHolder(val binding: InternalTwoWaySyncViewHolderBinding) :
     RecyclerView.ViewHolder(binding.root) {
-    fun bind(folder: OCFile, context: Context) {
+    fun bind(
+        folder: OCFile,
+        context: Context,
+        dataStorageManager: FileDataStorageManager,
+        internalTwoWaySyncAdapter: InternalTwoWaySyncAdapter
+    ) {
         binding.run {
             size.text = DisplayUtils.bytesToHumanReadable(folder.fileLength)
             name.text = folder.decryptedFileName
@@ -39,6 +45,12 @@ class InternalTwoWaySyncViewHolder(val binding: InternalTwoWaySyncViewHolderBind
                     folder.internalFolderSyncTimestamp
                 )
             }
+
+            unset.setOnClickListener {
+                folder.internalFolderSyncTimestamp = -1L
+                dataStorageManager.saveFile(folder)
+                internalTwoWaySyncAdapter.update()
+            }
         }
     }
 }

app/src/main/res/layout/internal_two_way_sync_view_holder.xml

@@ -22,10 +22,11 @@
         android:src="@drawable/folder" />
 
     <LinearLayout
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
+        android:layout_weight="1"
         android:layout_height="@dimen/min_list_item_size"
         android:layout_marginStart="@dimen/standard_half_margin"
-        android:gravity="center_vertical"
+        android:gravity="center_vertical|start"
         android:orientation="vertical">
 
         <TextView
@@ -94,4 +95,12 @@
         </LinearLayout>
     </LinearLayout>
 
+    <ImageView
+        android:id="@+id/unset"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:contentDescription="@string/unset_internal_two_way_sync_description"
+        android:src="@drawable/ic_close" />
+
 </LinearLayout>

app/src/main/res/values/strings.xml

@@ -1237,4 +1237,5 @@
     <string name="file_name_validator_error_forbidden_space_character_extensions">Filenames must not contain spaces at the beginning or end</string>
     <string name="sync">Sync</string>
     <string name="please_select_a_server">Please select a server…</string>
+    <string name="unset_internal_two_way_sync_description">Remove folder from internal two way sync</string>
 </resources>