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Code Issues Releases Wiki Activity

Extract import database logic in ContentSettingsManager

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This commit is contained in:
XiangRongLin
2020-12-19 11:22:25 +01:00
parent 68175c1cf0
commit f78a7fa630
2 changed files with 95 additions and 49 deletions
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52
app/src/main/java/org/schabi/newpipe/settings/ContentSettingsFragment.java
View File

@@ -224,33 +224,24 @@ public class ContentSettingsFragment extends BasePreferenceFragment {
private void importDatabase(final String filePath) {
// check if file is supported
try (ZipFile zipFile = new ZipFile(filePath)) {
} catch (final IOException ioe) {
if (!manager.isValidZipFile(filePath)) {
Toast.makeText(getContext(), R.string.no_valid_zip_file, Toast.LENGTH_SHORT)
.show();
.show();
return;
}
try {
if (!databasesDir.exists() && !databasesDir.mkdir()) {
if (!manager.ensureDbDirectoryExists()) {
throw new Exception("Could not create databases dir");
}
final boolean isDbFileExtracted = ZipHelper.extractFileFromZip(filePath,
newpipeDb.getPath(), "newpipe.db");
if (isDbFileExtracted) {
newpipeDbJournal.delete();
newpipeDbWal.delete();
newpipeDbShm.delete();
} else {
if (!manager.extractDb(filePath)) {
Toast.makeText(getContext(), R.string.could_not_import_all_files, Toast.LENGTH_LONG)
.show();
.show();
}
//If settings file exist, ask if it should be imported.
if (ZipHelper.extractFileFromZip(filePath, newpipeSettings.getPath(),
"newpipe.settings")) {
if (manager.containSettings(filePath)) {
final AlertDialog.Builder alert = new AlertDialog.Builder(getContext());
alert.setTitle(R.string.import_settings);
@@ -261,7 +252,8 @@ public class ContentSettingsFragment extends BasePreferenceFragment {
});
alert.setPositiveButton(getString(R.string.finish), (dialog, which) -> {
dialog.dismiss();
loadSharedPreferences(newpipeSettings);
manager.loadSharedPreferences(PreferenceManager
.getDefaultSharedPreferences(requireContext()));
// restart app to properly load db
System.exit(0);
});
@@ -275,34 +267,6 @@ public class ContentSettingsFragment extends BasePreferenceFragment {
}
}
private void loadSharedPreferences(final File src) {
try (ObjectInputStream input = new ObjectInputStream(new FileInputStream(src))) {
final SharedPreferences.Editor prefEdit = PreferenceManager
.getDefaultSharedPreferences(requireContext()).edit();
prefEdit.clear();
final Map<String, ?> entries = (Map<String, ?>) input.readObject();
for (final Map.Entry<String, ?> entry : entries.entrySet()) {
final Object v = entry.getValue();
final String key = entry.getKey();
if (v instanceof Boolean) {
prefEdit.putBoolean(key, (Boolean) v);
} else if (v instanceof Float) {
prefEdit.putFloat(key, (Float) v);
} else if (v instanceof Integer) {
prefEdit.putInt(key, (Integer) v);
} else if (v instanceof Long) {
prefEdit.putLong(key, (Long) v);
} else if (v instanceof String) {
prefEdit.putString(key, (String) v);
}
}
prefEdit.commit();
} catch (final IOException | ClassNotFoundException e) {
e.printStackTrace();
}
}
/*//////////////////////////////////////////////////////////////////////////
// Error
//////////////////////////////////////////////////////////////////////////*/

92
app/src/main/java/org/schabi/newpipe/settings/ContentSettingsManager.kt
View File

@@ -1,23 +1,34 @@
package org.schabi.newpipe.settings
import android.content.SharedPreferences
import androidx.preference.PreferenceManager
import org.schabi.newpipe.util.ZipHelper
import java.io.BufferedOutputStream
import java.io.File
import java.io.FileInputStream
import java.io.FileOutputStream
import java.io.IOException
import java.io.ObjectInputStream
import java.io.ObjectOutputStream
import java.lang.Exception
import java.util.zip.ZipFile
import java.util.zip.ZipOutputStream
class ContentSettingsManager(
private val newpipeDb: File,
private val newpipeSettings: File
private val databasesDir: File,
private val newpipeDb: File,
private val newpipeDbJournal: File,
private var newpipeDbShm: File,
private val newpipeDbWal: File,
private val newpipeSettings: File,
) {
constructor(homeDir: File) : this(
File(homeDir, "databases/newpipe.db"),
File(homeDir, "databases/newpipe.settings")
File(homeDir, "/databases"),
File(homeDir, "/databases/newpipe.db"),
File(homeDir, "/databases/newpipe.db-journal"),
File(homeDir, "/databases/newpipe.db-shm"),
File(homeDir, "/databases/newpipe.db-wal"),
File(homeDir, "/databases/newpipe.settings")
)
/**
@@ -42,4 +53,75 @@ class ContentSettingsManager(
ZipHelper.addFileToZip(outZip, newpipeSettings.path, "newpipe.settings")
}
}
fun isValidZipFile(filePath: String): Boolean {
try {
ZipFile(filePath).use {
return@isValidZipFile true
}
} catch (ioe: IOException) {
return false
}
}
/**
* Tries to create database directory if it does not exist.
*
* @return Whether the directory exists afterwards.
*/
fun ensureDbDirectoryExists(): Boolean {
return !databasesDir.exists() && !databasesDir.mkdir()
}
fun extractDb(filePath: String): Boolean {
val success = ZipHelper.extractFileFromZip(filePath, newpipeDb.path, "newpipe.db")
if (success) {
newpipeDbJournal.delete()
newpipeDbWal.delete()
newpipeDbShm.delete()
}
return success
}
fun containSettings(filePath: String): Boolean {
return ZipHelper
.extractFileFromZip(filePath, newpipeSettings.path, "newpipe.settings")
}
fun loadSharedPreferences(preferences: SharedPreferences) {
try {
val preferenceEditor = preferences.edit()
ObjectInputStream(FileInputStream(newpipeSettings)).use { input ->
preferenceEditor.clear()
val entries = input.readObject() as Map<String, *>
for ((key, value) in entries) {
when (value) {
is Boolean -> {
preferenceEditor.putBoolean(key, value)
}
is Float -> {
preferenceEditor.putFloat(key, value)
}
is Int -> {
preferenceEditor.putInt(key, value)
}
is Long -> {
preferenceEditor.putLong(key, value)
}
is String -> {
preferenceEditor.putString(key, value)
}
}
}
preferenceEditor.commit()
}
} catch (e: IOException) {
e.printStackTrace()
} catch (e: ClassNotFoundException) {
e.printStackTrace()
}
}
}