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refactor(GoogleDrive): add more logging, also use appdata folder.

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Signed-off-by: KaiserBh <kaiserbh@proton.me>
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KaiserBh 2024-01-10 11:23:27 +11:00
parent 9a53f4c0ab
commit e04d191dfb
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1 changed files with 38 additions and 30 deletions
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32
app/src/main/java/eu/kanade/tachiyomi/data/sync/service/GoogleDriveSyncService.kt
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@ -67,40 +67,46 @@ class GoogleDriveSyncService(context: Context, json: Json, syncPreferences: Sync
private val googleDriveService = GoogleDriveService(context)
override suspend fun beforeSync() {
try {
googleDriveService.refreshToken()
val drive = googleDriveService.driveService ?: throw Exception("Google Drive service not initialized")
var backoff = 2000L // Start with 2 seconds
var backoff = 2000L
while (true) {
val lockFiles = findLockFile(drive) // Fetch the current list of lock files
val lockFiles = findLockFile(drive)
logcat(LogPriority.DEBUG) { "Found ${lockFiles.size} lock file(s)" }
when {
lockFiles.isEmpty() -> {
// No lock file exists, try to create a new one
logcat(LogPriority.DEBUG) { "No lock file found, creating a new one" }
createLockFile(drive)
}
lockFiles.size == 1 -> {
// Exactly one lock file exists
val lockFile = lockFiles.first()
val createdTime = Instant.parse(lockFile.createdTime.toString())
val ageMinutes = java.time.Duration.between(createdTime, Instant.now()).toMinutes()
logcat(LogPriority.DEBUG) { "Lock file age: $ageMinutes minutes" }
if (ageMinutes <= 3) {
// Lock file is new and presumably held by this process, break the loop to proceed
logcat(LogPriority.DEBUG) { "Lock file is new, proceeding with sync" }
break
} else {
// Lock file is old, delete and attempt to create a new one
logcat(LogPriority.DEBUG) { "Lock file is old, deleting and creating a new one" }
deleteLockFile(drive)
createLockFile(drive)
}
}
else -> {
// More than one lock file exists, likely due to a race condition
logcat(LogPriority.DEBUG) { "Multiple lock files found, applying backoff" }
delay(backoff) // Apply backoff strategy
backoff = (backoff * 2).coerceAtMost(32000L) // Max backoff of 32 seconds
backoff = (backoff * 2).coerceAtMost(32000L)
logcat(LogPriority.DEBUG) { "Backoff increased to $backoff milliseconds" }
}
}
// The loop continues until it can confirm that there's exactly one new lock file.
logcat(LogPriority.DEBUG) { "Loop iteration complete, backoff time: $backoff" }
}
} catch (e: Exception) {
logcat(LogPriority.ERROR) { "Error in GoogleDrive beforeSync: ${e.message}" }
}
}
@ -199,9 +205,11 @@ class GoogleDriveSyncService(context: Context, json: Json, syncPreferences: Sync
private fun createLockFile(drive: Drive) {
try {
val fileMetadata = File()
fileMetadata.name = lockFileName
fileMetadata.mimeType = "text/plain"
val fileMetadata = File().apply {
name = lockFileName
mimeType = "text/plain"
parents = listOf("appDataFolder")
}
// Create an empty content to upload as the lock file
val emptyContent = ByteArrayContent.fromString("text/plain", "")