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123 changes: 123 additions & 0 deletions
123
app/src/main/java/com/mhss/app/mybrain/data/backup/ExportWorker.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| package com.mhss.app.mybrain.data.backup | ||
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| import android.content.ContentUris | ||
| import android.content.ContentValues | ||
| import android.content.Context | ||
| import android.net.Uri | ||
| import android.os.Build | ||
| import android.os.Environment | ||
| import android.provider.MediaStore | ||
| import androidx.hilt.work.HiltWorker | ||
| import androidx.work.CoroutineWorker | ||
| import androidx.work.WorkerParameters | ||
| import androidx.work.workDataOf | ||
| import com.mhss.app.mybrain.data.local.dao.BookmarkDao | ||
| import com.mhss.app.mybrain.data.local.dao.DiaryDao | ||
| import com.mhss.app.mybrain.data.local.dao.NoteDao | ||
| import com.mhss.app.mybrain.data.local.dao.TaskDao | ||
| import com.mhss.app.mybrain.domain.model.NotesBackUp | ||
| import com.mhss.app.mybrain.util.BackupUtil.toJson | ||
| import com.mhss.app.mybrain.util.Constants | ||
| import dagger.assisted.Assisted | ||
| import dagger.assisted.AssistedInject | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.flow.first | ||
| import kotlinx.coroutines.withContext | ||
| import java.io.File | ||
| import java.io.FileOutputStream | ||
|
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|
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| @HiltWorker | ||
| class ExportWorker @AssistedInject constructor( | ||
| @Assisted appContext: Context, | ||
| @Assisted workerParams: WorkerParameters, | ||
| private val notesDao: NoteDao, | ||
| private val tasksDao: TaskDao, | ||
| private val diaryDao: DiaryDao, | ||
| private val bookmarksDao: BookmarkDao | ||
| ) : CoroutineWorker(appContext, workerParams) { | ||
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| override suspend fun doWork() = withContext(Dispatchers.IO) { | ||
| export() | ||
| } | ||
|
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| private suspend fun export(): Result { | ||
| return try { | ||
| val notes = notesDao.getAllNotes().first() | ||
| val folders = notesDao.getAllNoteFolders().first() | ||
| val notesBackup = NotesBackUp(notes, folders).toJson() | ||
| saveFile(Constants.BACKUP_NOTES_FILE_NAME, notesBackup) | ||
| setProgress(workDataOf("progress" to 25)) | ||
|
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| val tasks = tasksDao.getAllTasks().first().toJson() | ||
| saveFile(Constants.BACKUP_TASKS_FILE_NAME, tasks) | ||
| setProgress(workDataOf("progress" to 50)) | ||
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| val diary = diaryDao.getAllEntries().first().toJson() | ||
| saveFile(Constants.BACKUP_DIARY_FILE_NAME, diary) | ||
| setProgress(workDataOf("progress" to 75)) | ||
|
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| val bookmarks = bookmarksDao.getAllBookmarks().first().toJson() | ||
| saveFile(Constants.BACKUP_BOOKMARKS_FILE_NAME, bookmarks) | ||
| setProgress(workDataOf("progress" to 100)) | ||
|
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| Result.success(workDataOf("success" to true)) | ||
| } catch (e: Exception) { | ||
| e.printStackTrace() | ||
| Result.failure() | ||
| } | ||
| } | ||
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| private fun saveFile(fileName: String, content: String) { | ||
| val contentResolver = applicationContext.contentResolver | ||
| val values = ContentValues().apply { | ||
| put(MediaStore.MediaColumns.DISPLAY_NAME, fileName) | ||
| put(MediaStore.MediaColumns.MIME_TYPE,"text/plain") | ||
| } | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { | ||
| values.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOCUMENTS + File.separator + "${Constants.EXPORT_DIR}/") | ||
| } | ||
| val fileUri = getFileUri(fileName) ?: contentResolver.insert(MediaStore.Files.getContentUri("external"), values) | ||
|
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| fileUri?.let { | ||
| contentResolver.openFileDescriptor(it, "w")?.use { pfd -> | ||
| FileOutputStream(pfd.fileDescriptor).use { outputStream -> | ||
| outputStream.write(content.toByteArray()) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| private fun getFileUri(name: String): Uri? { | ||
| val projection = arrayOf( | ||
| MediaStore.Files.FileColumns._ID, | ||
| MediaStore.Files.FileColumns.DISPLAY_NAME | ||
| ) | ||
| val selection = "${MediaStore.MediaColumns.RELATIVE_PATH} = ? AND ${MediaStore.Files.FileColumns.DISPLAY_NAME} = ?" | ||
| val selectionArgs = arrayOf( | ||
| Environment.DIRECTORY_DOCUMENTS + File.separator + "${Constants.EXPORT_DIR}/", | ||
| name | ||
| ) | ||
| val resolver = applicationContext.contentResolver | ||
| val query = resolver.query( | ||
| MediaStore.Files.getContentUri("external"), | ||
| projection, | ||
| selection, | ||
| selectionArgs, | ||
| null | ||
| ) | ||
| query?.use { cursor -> | ||
| val idColumn = cursor.getColumnIndexOrThrow(MediaStore.Files.FileColumns._ID) | ||
| if (cursor.moveToFirst()) { | ||
| val id = cursor.getLong(idColumn) | ||
| return ContentUris.withAppendedId( | ||
| MediaStore.Files.getContentUri("external"), | ||
| id | ||
| ) | ||
| } | ||
| } | ||
| return null | ||
| } | ||
|
|
||
| } |
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