LoginFragment.kt

    private val onDownloadCompleteReceiver = object : BroadcastReceiver() {
        override fun onReceive(context: Context?, intent: Intent?) {
            if (intent == null) {
                log("onDownloadComplete intent is: $intent")
                return
            }
            if (intent.action == DownloadManager.ACTION_DOWNLOAD_COMPLETE) {
                val id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1)
                val downloadedFileURI = mDownloadManager?.getUriForDownloadedFile(id)
                viewModel.enqueuedDownloadingTasksIds.let { enqueuedTasks ->
                    if (!enqueuedTasks.contains(id)) {
                        log("downloaded file is not pcmc file")
                        return
                    } else {
                        enqueuedTasks.remove(id)
                        if (enqueuedTasks.isEmpty()) { // this file is the last file to be downloaded
                            viewModel.updateMapDownloadingStatus(getString(R.string.all_files_downloaded))
                            proceedExtractingZip(downloadedFileURI, isLastFile = true)
                        } else {
                            proceedExtractingZip(downloadedFileURI)
                        }
                    }
                    log("Downloaded file id: $id \nURI: $downloadedFileURI")
                }
            }
        }
    }