Fix bug during deletion

app/src/main/java/net/pokeranalytics/android/ui/fragment/DataListFragment.kt

@@ -46,7 +46,7 @@ class DataListFragment : RealmFragment(), LiveRowRepresentableDataSource, RowRep
 
 	private var deletedItem: RealmObject? = null
 	private var lastDeletedItemPosition: Int = 0
-	private var lastItemClickedPosition: Int = 0
+	private var lastItemClickedId: String = ""
 
 	override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
 		super.onCreateView(inflater, container, savedInstanceState)
@@ -61,11 +61,12 @@ class DataListFragment : RealmFragment(), LiveRowRepresentableDataSource, RowRep
 	override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
 		super.onActivityResult(requestCode, resultCode, data)
 		if (requestCode == REQUEST_CODE_DETAILS && resultCode == Activity.RESULT_OK) {
-			val needToDeleteItem = data?.getBooleanExtra(DataListActivity.IntentKey.ITEM_DELETED.keyName, false) ?: false
+			val needToDeleteItem =
+				data?.getBooleanExtra(DataListActivity.IntentKey.ITEM_DELETED.keyName, false) ?: false
 			if (needToDeleteItem) {
 				GlobalScope.launch(Dispatchers.Main) {
 					delay(300)
-					deleteItem(lastItemClickedPosition)
+					deleteItem(lastItemClickedId)
 				}
 			}
 		}
@@ -95,20 +96,15 @@ class DataListFragment : RealmFragment(), LiveRowRepresentableDataSource, RowRep
 
 	override fun onRowSelected(position: Int, row: RowRepresentable, fromAction: Boolean) {
 		this.dataType?.let {
-            if (it == LiveData.FILTER) {
-                val intent = Intent()
-                intent.putExtra(FiltersActivity.IntentKey.FILTER_ID.keyName, (row as Filter).id)
-                activity?.setResult(Activity.RESULT_OK, intent)
-                activity?.finish()
-            } else {
-                lastItemClickedPosition = position
-                EditableDataActivity.newInstanceForResult(
-                    this,
-                    it.ordinal,
-                    (row as Identifiable).id,
-                    REQUEST_CODE_DETAILS
-                )
-            }
+			if (it == LiveData.FILTER) {
+				val intent = Intent()
+				intent.putExtra(FiltersActivity.IntentKey.FILTER_ID.keyName, (row as Filter).id)
+				activity?.setResult(Activity.RESULT_OK, intent)
+				activity?.finish()
+			} else {
+				lastItemClickedId = (row as Identifiable).id
+				EditableDataActivity.newInstanceForResult(this, it.ordinal, lastItemClickedId, REQUEST_CODE_DETAILS)
+			}
 		}
 	}
 
@@ -130,7 +126,7 @@ class DataListFragment : RealmFragment(), LiveRowRepresentableDataSource, RowRep
 		dataListAdapter = RowRepresentableAdapter(this, this)
 
 		val swipeToDelete = SwipeToDeleteCallback(dataListAdapter) { position ->
-			deleteItem(position)
+			deleteItem((this.items[position] as Identifiable).id)
 		}
 
 		val itemTouchHelper = ItemTouchHelper(swipeToDelete)
@@ -156,30 +152,31 @@ class DataListFragment : RealmFragment(), LiveRowRepresentableDataSource, RowRep
 	/**
 	 * Delete item
 	 */
-	private fun deleteItem(position: Int) {
+	private fun deleteItem(itemId: String) {
 
 		if (isDetached || activity == null) {
 			return
 		}
 
 		// Save the delete position & create a copy of the object
-		val mRecentlyDeletedItem = rowRepresentableForPosition(position)
-		lastDeletedItemPosition = position
+		val itemPosition = this.items.indexOfFirst { (it as Identifiable).id == itemId }
+		val itemToDelete = this.items.find { (it as Identifiable).id == itemId }
 
-		if (mRecentlyDeletedItem is RealmObject) {
+		if (itemToDelete is RealmObject && itemPosition != -1) {
 
 			// Check if the object is valid for the deletion
-			if ((mRecentlyDeletedItem as Deletable).isValidForDelete(this.getRealm())) {
-				deletedItem = getRealm().copyFromRealm(mRecentlyDeletedItem)
+			if ((itemToDelete as Deletable).isValidForDelete(this.getRealm())) {
+				deletedItem = getRealm().copyFromRealm(itemToDelete)
+				lastDeletedItemPosition = itemPosition
 				getRealm().executeTransaction {
-					mRecentlyDeletedItem.deleteFromRealm()
+					itemToDelete.deleteFromRealm()
 				}
-				dataListAdapter.notifyItemRemoved(position)
+				dataListAdapter.notifyItemRemoved(itemPosition)
 				showUndoSnackBar()
 			} else {
-				dataListAdapter.notifyItemChanged(position)
+				dataListAdapter.notifyItemChanged(itemPosition)
 				val builder = AlertDialog.Builder(requireContext())
-					.setMessage((mRecentlyDeletedItem as Deletable).getFailedDeleteMessage())
+					.setMessage((itemToDelete as Deletable).getFailedDeleteMessage())
 					.setNegativeButton(R.string.ok, null)
 				builder.show()
 			}