improved icon cache clean up

This commit is contained in:
Hunter Kehoe 2022-08-28 20:34:39 -06:00
parent f68bb5f379
commit 80cc011852

View file

@ -2,6 +2,7 @@ package io.heckel.ntfy.work
import android.content.Context
import android.net.Uri
import androidx.core.content.FileProvider
import androidx.work.CoroutineWorker
import androidx.work.WorkerParameters
import io.heckel.ntfy.BuildConfig
@ -10,6 +11,7 @@ import io.heckel.ntfy.db.Repository
import io.heckel.ntfy.msg.DownloadIconWorker
import io.heckel.ntfy.ui.DetailAdapter
import io.heckel.ntfy.util.Log
import io.heckel.ntfy.util.fileStat
import io.heckel.ntfy.util.topicShortUrl
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
@ -65,18 +67,22 @@ class DeleteWorker(ctx: Context, params: WorkerParameters) : CoroutineWorker(ctx
private fun deleteExpiredIcons() {
Log.d(TAG, "Deleting icons for deleted notifications")
val resolver = applicationContext.contentResolver
val repository = Repository.getInstance(applicationContext)
val activeIconUris = repository.getActiveIconUris()
val expiredIconUris = repository.getDeletedIconUris()
val urisToDelete = expiredIconUris.minus(activeIconUris)
urisToDelete.forEach { uri ->
val activeIconFilenames = activeIconUris.map{ fileStat(applicationContext, Uri.parse(it)).filename }.toSet()
val iconDir = File(applicationContext.cacheDir, DownloadIconWorker.ICON_CACHE_DIR)
val allIconFilenames = iconDir.listFiles().map{ file -> file.name }
val filenamesToDelete = allIconFilenames.minus(activeIconFilenames)
filenamesToDelete.forEach { filename ->
try {
val deleted = resolver.delete(Uri.parse(uri), null, null) > 0
val file = File(iconDir, filename)
val deleted = file.delete()
if (!deleted) {
Log.w(TAG, "Unable to delete icon at $uri")
Log.w(TAG, "Unable to delete icon: $filename")
}
val uri = FileProvider.getUriForFile(applicationContext,
DownloadIconWorker.FILE_PROVIDER_AUTHORITY, file).toString()
repository.clearIconUri(uri)
} catch (e: Exception) {
Log.w(TAG, "Failed to delete icon: ${e.message}", e)