Refactored folder synchronization logic and improved migration handling (#21)

- Updated `MainViewModel` to skip synchronization until folder migration is completed and added metadata syncing when opening books.
- Modified folder migration to detach existing folder books (converting them to standard local files) before starting a fresh scan.
- Added `detachAllFolderBooks` to `RecentFileDao` and `RecentFilesRepository` to facilitate the migration process.
- Updated `MetadataExtractionWorker` to sync local metadata to the folder immediately after extraction.
- Simplified `FolderSyncWorker` by removing legacy migration lookups and streamlining the reconciliation of local and remote metadata.
- Updated `FolderMigrationDialog` UI text to reflect that books are now read directly from folders without duplication.
- Fixed various indentation and formatting issues across several files.
This commit is contained in:
Aryan 2026-03-02 03:03:36 +05:30 committed by GitHub
parent 34c6ec3fef
commit 0885b6949e
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6 changed files with 105 additions and 196 deletions

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@ -529,9 +529,15 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
remoteConfigRepository.init()
val isMigrationCompleted = prefs.getBoolean(KEY_FOLDER_MIGRATION_COMPLETED, false)
if (_internalState.value.syncedFolderUri != null) {
Timber.d("App Start: Triggering local folder metadata-only sync.")
syncFolderMetadata()
if (isMigrationCompleted) {
Timber.d("App Start: Triggering local folder metadata-only sync.")
syncFolderMetadata()
} else {
Timber.d("App Start: Skipping sync. Waiting for migration/detachment logic.")
}
}
viewModelScope.launch { billingClientWrapper.initializeConnection() }
@ -593,11 +599,16 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
}
fun completeFolderMigration() {
Timber.tag("FolderSync").d("User accepted migration. Marking completed and starting scan.")
prefs.edit { putBoolean(KEY_FOLDER_MIGRATION_COMPLETED, true) }
_internalState.update { it.copy(showFolderMigrationDialog = false) }
Timber.tag("FolderSync").d("User acknowledged update. Detaching old books and starting fresh scan.")
scanSyncedFolder()
viewModelScope.launch {
recentFilesRepository.detachAllFolderBooks()
prefs.edit { putBoolean(KEY_FOLDER_MIGRATION_COMPLETED, true) }
_internalState.update { it.copy(showFolderMigrationDialog = false) }
scanSyncedFolder()
}
}
private val fontsRepository = FontsRepository(appContext)
@ -1330,8 +1341,12 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
if (workInfo != null) {
when (workInfo.state) {
WorkInfo.State.RUNNING, WorkInfo.State.ENQUEUED -> {
val msg = if (metadataOnly) "Folder Sync: Updating metadata..." else "Folder Sync: Scanning files..."
_internalState.update { it.copy(isLoading = true, bannerMessage = BannerMessage(msg)) }
val msg = if (metadataOnly) "Folder Sync: Updating metadata..." else "Scanning folder for new books..."
_internalState.update { it.copy(
isLoading = false,
isRefreshing = true,
bannerMessage = BannerMessage(msg)
) }
}
WorkInfo.State.SUCCEEDED -> {
_internalState.update { it.copy(
@ -1342,7 +1357,11 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
) }
}
WorkInfo.State.FAILED, WorkInfo.State.CANCELLED -> {
_internalState.update { it.copy(isLoading = false, isRefreshing = false, errorMessage = "Sync failed.") } // ADD isRefreshing = false
_internalState.update { it.copy(
isLoading = false,
isRefreshing = false,
errorMessage = "Sync failed."
) }
}
else -> Unit
}
@ -2255,9 +2274,14 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
if (type == FileType.PDF) {
viewModelScope.launch {
val recentItem = recentFilesRepository.getFileByBookId(bookId)
Timber.d(
"openBook: Loading PDF. bookId=$bookId, initialBookmarksJson from DB: ${recentItem?.bookmarksJson}"
)
if (recentItem?.sourceFolderUri != null) {
launch(Dispatchers.IO) {
recentFilesRepository.syncLocalMetadataToFolder(bookId)
}
}
Timber.d("openBook: Loading PDF. bookId=$bookId ...")
_internalState.update {
it.copy(
selectedPdfUri = uri,
@ -2278,6 +2302,11 @@ open class MainViewModel(application: Application) : AndroidViewModel(applicatio
} else if (type == FileType.EPUB || type == FileType.MOBI || type == FileType.MD || type == FileType.TXT || type == FileType.HTML) {
viewModelScope.launch {
val recentItem = recentFilesRepository.getFileByBookId(bookId)
if (recentItem?.sourceFolderUri != null) {
launch(Dispatchers.IO) {
recentFilesRepository.syncLocalMetadataToFolder(bookId)
}
}
val locator =
if (recentItem?.lastChapterIndex != null && recentItem.locatorBlockIndex != null && recentItem.locatorCharOffset != null) {
Locator(