UI 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

@@ -46,7 +46,8 @@ class FileViewerActivity :
     private lateinit var binding: ActivityFileViewerBinding
     private var filesAdapter: FileAdapter? = null
     private lateinit var onBackPressedCallback: OnBackPressedCallback
-    private lateinit var filePicker: ActivityResultLauncher<String>
+    private lateinit var filePickerUpload: ActivityResultLauncher<String>
+    private lateinit var filePickerUpdate: ActivityResultLauncher<String>
     private lateinit var requestPermissionLauncher: ActivityResultLauncher<Array<String>>
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -61,11 +62,24 @@ class FileViewerActivity :
             }
         }
 
-        filePicker = registerForActivityResult(
+        filePickerUpload = registerForActivityResult(ActivityResultContracts.GetContent()
+        ) { uri: Uri? ->
+            uri?.let {
+                val titleText = getString(R.string.text_upload_file_title)
+                val positiveText = getString(R.string.text_upload)
+
+                showBeforeSubmitFileDialog(uri, titleText, positiveText, ::configureUploadFilePositiveButtonEvent)
+            }
+        }
+
+        filePickerUpdate = registerForActivityResult(
             ActivityResultContracts.GetContent()
         ) { uri: Uri? ->
-            uri?.let { validUri ->
-                showUploadFileDialog(validUri)
+            uri?.let {
+                val titleText = getString(R.string.text_update_file_title)
+                val positiveText = getString(R.string.text_update)
+
+                showBeforeSubmitFileDialog(uri, titleText, positiveText, ::configureUpdateFilePositiveButtonEvent)
             }
         }
 
@@ -110,9 +124,7 @@ class FileViewerActivity :
             }
 
             R.id.uploadFile -> {
-                filePicker.launch(
-                    FileViewerViewModel.ANY_MIME_TYPE
-                )
+                filePickerUpload.launch(FileViewerViewModel.ANY_MIME_TYPE)
             }
 
             R.id.signOut -> {
@@ -130,6 +142,7 @@ class FileViewerActivity :
         FileViewerViewState.Finish -> buildFinishState()
         FileViewerViewState.CheckPermissions -> requestPermissions()
         FileViewerViewState.SignOut -> buildSignOutState()
+        is FileViewerViewState.ShowUpdateFilePicker -> launchUpdateFilePicker()
     }
 
     private fun buildInitialState() {
@@ -195,6 +208,14 @@ class FileViewerActivity :
         dispatchEvent(FileViewerViewEvent.DeleteFile(file))
     }
 
+    override fun onUpdateClicked(file: OmhFile) {
+        dispatchEvent(FileViewerViewEvent.UpdateFileClicked(file))
+    }
+
+    private fun launchUpdateFilePicker() {
+        filePickerUpdate.launch(FileViewerViewModel.ANY_MIME_TYPE)
+    }
+
     private fun buildFinishState() = finish().also { finishAffinity() }
 
     private fun showCreateFileDialog() {
@@ -266,18 +287,22 @@ class FileViewerActivity :
         }
     }
 
-    private fun showUploadFileDialog(uri: Uri) {
-        val fileName: String = DocumentFile
-            .fromSingleUri(this, uri)?.name
-            ?: FileViewerViewModel.DEFAULT_FILE_NAME
-
+    private fun showBeforeSubmitFileDialog(
+        uri: Uri,
+        titleText: String,
+        positiveTextButton: String,
+        positiveAction: (DialogInterface, String, Uri) -> Unit
+    ) {
         val dialogUploadFileView = DialogUploadFileBinding.inflate(layoutInflater)
+        val documentFileName = DocumentFile.fromSingleUri(this, uri)?.name
+        val fileName = viewModel.getFileName(documentFileName)
+
         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)
+            .setTitle(titleText)
+            .setPositiveButton(positiveTextButton) { dialog, _ ->
+                positiveAction(dialog, fileName, uri)
             }
             .setNegativeButton(getString(R.string.text_cancel)) { dialog, _ ->
                 dialog.cancel()
@@ -303,6 +328,15 @@ class FileViewerActivity :
         dialog.dismiss()
     }
 
+    private fun configureUpdateFilePositiveButtonEvent(
+        dialog: DialogInterface,
+        fileName: String,
+        uri: Uri
+    ) {
+        dispatchEvent(FileViewerViewEvent.UpdateFile(this, uri, fileName))
+        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

@@ -52,8 +52,18 @@ sealed class FileViewerViewEvent : ViewEvent {
         override fun getEventName() = "FileViewerViewEvent.UploadFile"
     }
 
+    class UpdateFile(val context: Context, val uri: Uri, val fileName: String) : FileViewerViewEvent() {
+
+        override fun getEventName() = "FileViewerViewEvent.UpdateFile"
+    }
+
     object SignOut : FileViewerViewEvent() {
 
         override fun getEventName() = "FileViewerViewEvent.SignOut"
     }
+
+    class UpdateFileClicked(val file: OmhFile) : FileViewerViewEvent() {
+
+        override fun getEventName() = "FileViewerViewEvent.UpdateFileClicked"
+    }
 }

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

@@ -4,6 +4,7 @@ import android.content.Context
 import android.net.Uri
 import com.omh.android.auth.api.OmhAuthClient
 import android.os.Environment
+import androidx.documentfile.provider.DocumentFile
 import com.omh.android.storage.api.OmhStorageClient
 import com.omh.android.storage.api.domain.model.OmhFile
 import com.omh.android.storage.api.domain.model.OmhFileType
@@ -39,10 +40,11 @@ class FileViewerViewModel @Inject constructor(
         const val DEFAULT_FILE_NAME = "Untitled"
     }
 
+    var isUpload = false
     var isGridLayoutManager = true
     var createFileSelectedType: OmhFileType? = null
     private val parentIdStack = Stack<String>().apply { push(ID_ROOT) }
-    private var lastFileClicked: OmhFile? = null
+    var lastFileClicked: OmhFile? = null
 
     override fun getInitialState(): FileViewerViewState = FileViewerViewState.Initial
 
@@ -56,8 +58,10 @@ class FileViewerViewModel @Inject constructor(
             is FileViewerViewEvent.CreateFile -> createFileEvent(event)
             is FileViewerViewEvent.DeleteFile -> deleteFileEvent(event)
             is FileViewerViewEvent.UploadFile -> uploadFile(event)
+            is FileViewerViewEvent.UpdateFile -> updateFileEvent(event)
             FileViewerViewEvent.SignOut -> signOut()
             FileViewerViewEvent.DownloadFile -> downloadFileEvent()
+            is FileViewerViewEvent.UpdateFileClicked -> updateFileClickEvent(event)
         }
     }
 
@@ -111,14 +115,14 @@ class FileViewerViewModel @Inject constructor(
     }
 
     private fun downloadFileEvent() {
-        setState(FileViewerViewState.Loading)
-
         lastFileClicked?.let { file ->
             if (!file.isDownloadable()) {
                 toastMessage.postValue("${file.name} is not downloadable")
                 return
             }
 
+            setState(FileViewerViewState.Loading)
+
             val mimeType = file.normalizedMimeType()
             val cancellable = omhStorageClient.downloadFile(file.id, mimeType)
                 .addOnSuccess { data ->
@@ -138,6 +142,35 @@ class FileViewerViewModel @Inject constructor(
         }
     }
 
+    private fun updateFileEvent(event: FileViewerViewEvent.UpdateFile) {
+        val fileId = lastFileClicked?.id ?: return
+
+        setState(FileViewerViewState.Loading)
+
+        val filePath = getFile(event.context, event.uri, event.fileName)
+        val cancellable = omhStorageClient.updateFile(filePath, fileId)
+            .addOnSuccess { result ->
+                val resultMessage = if (result.file == null) {
+                    "${event.fileName} was not updated"
+                } else {
+                    "${event.fileName} was successfully updated"
+                }
+
+                toastMessage.postValue(resultMessage)
+
+                refreshFileListEvent()
+            }
+            .addOnFailure { e ->
+                toastMessage.postValue("ERROR: ${event.fileName} was not updated")
+                e.printStackTrace()
+
+                refreshFileListEvent()
+            }
+            .execute()
+
+        cancellableCollector.addCancellable(cancellable)
+    }
+
     private fun createFileEvent(event: FileViewerViewEvent.CreateFile) {
         setState(FileViewerViewState.Loading)
         val parentId = parentIdStack.peek()
@@ -234,6 +267,11 @@ class FileViewerViewModel @Inject constructor(
         cancellableCollector.addCancellable(cancellable)
     }
 
+    private fun updateFileClickEvent(event: FileViewerViewEvent.UpdateFileClicked) {
+        lastFileClicked = event.file
+        setState(FileViewerViewState.ShowUpdateFilePicker)
+    }
+
     private fun handleDownloadSuccess(
         result: DownloadFileUseCaseResult,
         file: OmhFile
@@ -253,4 +291,6 @@ class FileViewerViewModel @Inject constructor(
         super.onCleared()
         cancellableCollector.clear()
     }
+
+    fun getFileName(documentFileName: String?): String = documentFileName ?: DEFAULT_FILE_NAME
 }

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

@@ -39,4 +39,9 @@ sealed class FileViewerViewState : ViewState {
 
         override fun getName() = "FileViewerViewState.SignOut"
     }
+
+    object ShowUpdateFilePicker : FileViewerViewState() {
+
+        override fun getName() = "FileViewerViewState.FilePicker"
+    }
 }

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"

storage-sample/src/main/res/values/strings.xml

@@ -11,6 +11,8 @@
     <string name="text_file_type_label">File Type:</string>
     <string name="text_upload_file_title">Upload File</string>
     <string name="text_upload">Upload</string>
+    <string name="text_update_file_title">Update File</string>
+    <string name="text_update">Update</string>
     <string name="text_cancel">Cancel</string>
     <string name="text_sign_out">Sign out</string>
 </resources>