Examples with BackupManager com.ichi2.anki.BackupManager used on opensource projects

Example 1 with BackupManager

use of com.ichi2.anki.BackupManager in project AnkiChinaAndroid by ankichinateam.

the class BackupManager method repairCollection.

/**
 * Run the sqlite3 command-line-tool (if it exists) on the collection to dump to a text file
 * and reload as a new database. Recently this command line tool isn't available on many devices
 *
 * @param col Collection
 * @return whether the repair was successful
 */
public static boolean repairCollection(Collection col) {
    String deckPath = col.getPath();
    File deckFile = new File(deckPath);
    Time time = col.getTime();
    Timber.i("BackupManager - RepairCollection - Closing Collection");
    col.close();
    // repair file
    String execString = "sqlite3 " + deckPath + " .dump | sqlite3 " + deckPath + ".tmp";
    Timber.i("repairCollection - Execute: %s", execString);
    try {
        String[] cmd = { "/system/bin/sh", "-c", execString };
        Process process = Runtime.getRuntime().exec(cmd);
        process.waitFor();
        if (!new File(deckPath + ".tmp").exists()) {
            Timber.e("repairCollection - dump to " + deckPath + ".tmp failed");
            return false;
        }
        if (!moveDatabaseToBrokenFolder(deckPath, false, time)) {
            Timber.e("repairCollection - could not move corrupt file to broken folder");
            return false;
        }
        Timber.i("repairCollection - moved corrupt file to broken folder");
        File repairedFile = new File(deckPath + ".tmp");
        return repairedFile.renameTo(deckFile);
    } catch (IOException | InterruptedException e) {
        Timber.e(e, "repairCollection - error");
    }
    return false;
}