Storage sdk: Implement the ui to update a file.

storage-sample/src/main/java/com/omh/android/storage/sample/presentation/file_viewer/FileAdapter.kt

@@ -94,6 +94,8 @@ class FileAdapter(
         fun onFileClicked(file: OmhFile)
 
         fun onDeleteClicked(file: OmhFile)
+
+        fun onUpdateClicked(file: OmhFile)
     }
 
     abstract class FileViewHolder(binding: View) : RecyclerView.ViewHolder(binding) {
@@ -114,6 +116,7 @@ class FileAdapter(
                 loadFileIcon(context, iconLink, fileIcon)
                 root.setOnClickListener { listener.onFileClicked(file) }
                 buttonDelete.setOnClickListener { listener.onDeleteClicked(file) }
+                buttonUpdate.setOnClickListener { listener.onUpdateClicked(file) }
             }
         }
     }
@@ -131,6 +134,7 @@ class FileAdapter(
                 loadFileIcon(context, iconLink, fileIcon)
                 root.setOnClickListener { listener.onFileClicked(file) }
                 buttonDelete.setOnClickListener { listener.onDeleteClicked(file) }
+                buttonUpdate.setOnClickListener { listener.onUpdateClicked(file) }
             }
         }
     }

storage-sample/src/main/java/com/omh/android/storage/sample/presentation/file_viewer/FileViewerActivity.kt

@@ -64,8 +64,13 @@ class FileViewerActivity :
         filePicker = registerForActivityResult(
             ActivityResultContracts.GetContent()
         ) { uri: Uri? ->
-            uri?.let { validUri ->
-                showUploadFileDialog(validUri)
+            uri?.let {
+                val fileName = if (viewModel.isUpload) {
+                    DocumentFile.fromSingleUri(this, uri)?.name
+                } else {
+                    viewModel.selectedFile?.name
+                } ?: FileViewerViewModel.DEFAULT_FILE_NAME
+                showUploadFileDialog(uri, fileName)
             }
         }
 
@@ -110,9 +115,8 @@ class FileViewerActivity :
             }
 
             R.id.uploadFile -> {
-                filePicker.launch(
-                    FileViewerViewModel.ANY_MIME_TYPE
-                )
+                viewModel.isUpload = true
+                filePicker.launch(FileViewerViewModel.ANY_MIME_TYPE)
             }
 
             R.id.signOut -> {
@@ -195,6 +199,12 @@ class FileViewerActivity :
         dispatchEvent(FileViewerViewEvent.DeleteFile(file))
     }
 
+    override fun onUpdateClicked(file: OmhFile) {
+        viewModel.selectedFile = file
+        viewModel.isUpload = false
+        filePicker.launch(FileViewerViewModel.ANY_MIME_TYPE)
+    }
+
     private fun buildFinishState() = finish().also { finishAffinity() }
 
     private fun showCreateFileDialog() {
@@ -266,18 +276,18 @@ class FileViewerActivity :
         }
     }
 
-    private fun showUploadFileDialog(uri: Uri) {
-        val fileName: String = DocumentFile
-            .fromSingleUri(this, uri)?.name
-            ?: FileViewerViewModel.DEFAULT_FILE_NAME
-
+    private fun showUploadFileDialog(uri: Uri, fileName: String) {
         val dialogUploadFileView = DialogUploadFileBinding.inflate(layoutInflater)
         dialogUploadFileView.fileName.text = fileName
 
         val uploadFileDialogBuilder = AlertDialog.Builder(this)
             .setTitle(getString(R.string.text_upload_file_title))
             .setPositiveButton(getString(R.string.text_upload)) { dialog, _ ->
-                configureUploadFilePositiveButtonEvent(dialog, fileName, uri)
+                if (viewModel.isUpload) {
+                    configureUploadFilePositiveButtonEvent(dialog, fileName, uri)
+                } else {
+                    configureUpdateFilePositiveButtonEvent(dialog, uri)
+                }
             }
             .setNegativeButton(getString(R.string.text_cancel)) { dialog, _ ->
                 dialog.cancel()
@@ -303,6 +313,14 @@ class FileViewerActivity :
         dialog.dismiss()
     }
 
+    private fun configureUpdateFilePositiveButtonEvent(
+        dialog: DialogInterface,
+        uri: Uri
+    ) {
+        dispatchEvent(FileViewerViewEvent.UpdateFile(this, uri))
+        dialog.dismiss()
+    }
+
     private fun requestPermissions() {
         val permissionsToRequest: Array<String> = arrayOf(
             Manifest.permission.READ_EXTERNAL_STORAGE,

storage-sample/src/main/java/com/omh/android/storage/sample/presentation/file_viewer/FileViewerViewEvent.kt

@@ -52,6 +52,11 @@ sealed class FileViewerViewEvent : ViewEvent {
         override fun getEventName() = "FileViewerViewEvent.UploadFile"
     }
 
+    class UpdateFile(val context: Context, val uri: Uri) : FileViewerViewEvent() {
+
+        override fun getEventName() = "FileViewerViewEvent.UpdateFile"
+    }
+
     object SignOut : FileViewerViewEvent() {
 
         override fun getEventName() = "FileViewerViewEvent.SignOut"

storage-sample/src/main/java/com/omh/android/storage/sample/presentation/file_viewer/FileViewerViewModel.kt

@@ -38,6 +38,8 @@ class FileViewerViewModel @Inject constructor(
         const val DEFAULT_FILE_NAME = "Untitled"
     }
 
+    var selectedFile: OmhFile? = null
+    var isUpload = false
     var isGridLayoutManager = true
     var createFileSelectedType: OmhFileType? = null
     private val parentIdStack = Stack<String>().apply { push(ID_ROOT) }
@@ -55,6 +57,7 @@ class FileViewerViewModel @Inject constructor(
             is FileViewerViewEvent.CreateFile -> createFileEvent(event)
             is FileViewerViewEvent.DeleteFile -> deleteFileEvent(event)
             is FileViewerViewEvent.UploadFile -> uploadFile(event)
+            is FileViewerViewEvent.UpdateFile -> updateFile(event)
             FileViewerViewEvent.SignOut -> signOut()
             FileViewerViewEvent.DownloadFile -> downloadFileEvent()
         }
@@ -137,6 +140,37 @@ class FileViewerViewModel @Inject constructor(
         }
     }
 
+    private fun updateFile(event: FileViewerViewEvent.UpdateFile) {
+        val file = selectedFile ?: return
+
+        setState(FileViewerViewState.Loading)
+
+        val parentId = parentIdStack.peek()
+        val filePath = getFile(event.context, event.uri, file.name)
+
+        val cancellable = omhStorageClient.updateFile(filePath, file.id, parentId)
+            .addOnSuccess { result ->
+                val resultMessage = if (result.file == null) {
+                    "${file.name} was not updated"
+                } else {
+                    "${file.name} was successfully updated"
+                }
+
+                toastMessage.postValue(resultMessage)
+
+                refreshFileListEvent()
+            }
+            .addOnFailure { e ->
+                toastMessage.postValue("ERROR: ${file.name} was not updated")
+                e.printStackTrace()
+
+                refreshFileListEvent()
+            }
+            .execute()
+
+        cancellableCollector.addCancellable(cancellable)
+    }
+
     private fun createFileEvent(event: FileViewerViewEvent.CreateFile) {
         setState(FileViewerViewState.Loading)
         val parentId = parentIdStack.peek()

storage-sample/src/main/res/layout/file_grid_adapter.xml

@@ -9,6 +9,17 @@
     android:background="@drawable/rounded_for_grid"
     android:orientation="vertical">
 
+    <ImageView
+        android:id="@+id/buttonUpdate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginEnd="5dp"
+        android:src="@android:drawable/ic_menu_edit"
+        app:layout_constraintEnd_toStartOf="@id/buttonDelete"
+        app:layout_constraintTop_toTopOf="parent"
+        app:tint="@color/black" />
+
     <ImageView
         android:id="@+id/buttonDelete"
         android:layout_width="wrap_content"

storage-sample/src/main/res/layout/file_linear_adapter.xml

@@ -23,11 +23,22 @@
         android:ellipsize="end"
         android:maxLines="1"
         app:layout_constraintBottom_toBottomOf="@+id/fileIcon"
-        app:layout_constraintEnd_toStartOf="@+id/buttonDelete"
+        app:layout_constraintEnd_toStartOf="@+id/buttonUpdate"
         app:layout_constraintStart_toEndOf="@+id/fileIcon"
         app:layout_constraintTop_toTopOf="@+id/fileIcon"
         tools:text="File Name" />
 
+    <ImageView
+        android:id="@+id/buttonUpdate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="5dp"
+        android:src="@android:drawable/ic_menu_edit"
+        app:layout_constraintBottom_toBottomOf="@+id/fileName"
+        app:layout_constraintEnd_toStartOf="@+id/buttonDelete"
+        app:layout_constraintTop_toTopOf="@+id/fileName"
+        app:tint="@color/black" />
+
     <ImageView
         android:id="@+id/buttonDelete"
         android:layout_width="wrap_content"