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fedilab-Android-App/app/src/main/java/fr/gouv/etalab/mastodon/sqlite/Sqlite.java

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/* Copyright 2017 Thomas Schneider
*
* This file is a part of Mastalab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Mastalab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Mastalab; if not,
* see <http://www.gnu.org/licenses>. */
package fr.gouv.etalab.mastodon.sqlite;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Environment;
import android.widget.Toast;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.nio.channels.FileChannel;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Random;
import es.dmoral.toasty.Toasty;
import fr.gouv.etalab.mastodon.R;
import fr.gouv.etalab.mastodon.activities.LoginActivity;
import fr.gouv.etalab.mastodon.helper.Helper;
/**
* Created by Thomas on 23/04/2017.
* Manage the DataBase
*/
public class Sqlite extends SQLiteOpenHelper {
public static final int DB_VERSION = 29;
public static final String DB_NAME = "mastodon_etalab_db";
public static SQLiteDatabase db;
private static Sqlite sInstance;
/***
* List of tables to manage users and data
*/
//Table of owned accounts
static final String TABLE_USER_ACCOUNT = "USER_ACCOUNT";
//Table of stored status
static final String TABLE_STATUSES_STORED = "STATUSES_STORED";
//Table for custom emoji
public static final String TABLE_CUSTOM_EMOJI = "CUSTOM_EMOJI";
//Table for search
static final String TABLE_SEARCH = "SEARCH";
//Table for temp muting
static final String TABLE_TEMP_MUTE = "TEMP_MUTE";
//Table for cached statuses
public static final String TABLE_STATUSES_CACHE = "STATUSES_CACHE";
//Table for instance names
static final String TABLE_INSTANCES = "INSTANCES";
//Table for peertube favorites
static final String TABLE_PEERTUBE_FAVOURITES = "PEERTUBE_FAVOURITES";
//Table for timeline cache
private static final String TABLE_TIMELINE_CACHE = "TIMELINE_CACHE";
//Table for tags cache
static final String TABLE_CACHE_TAGS = "CACHE_TAGS";
//Table for scheduling boosts
public static final String TABLE_BOOST_SCHEDULE = "BOOST_SCHEDULE";
//Table for blocking tracking domains
public static final String TABLE_TRACKING_BLOCK = "TRACKING_BLOCK";
//Table for timelines
public static final String TABLE_TIMELINES = "TIMELINES";
static final String COL_USER_ID = "USER_ID";
static final String COL_USERNAME = "USERNAME";
static final String COL_ACCT = "ACCT";
static final String COL_DISPLAYED_NAME = "DISPLAYED_NAME";
static final String COL_LOCKED = "LOCKED";
static final String COL_CREATED_AT = "CREATED_AT";
static final String COL_FOLLOWERS_COUNT = "FOLLOWERS_COUNT";
static final String COL_FOLLOWING_COUNT = "FOLLOWING_COUNT";
static final String COL_STATUSES_COUNT = "STATUSES_COUNT";
static final String COL_NOTE = "NOTE";
static final String COL_URL = "URL";
static final String COL_AVATAR = "AVATAR";
static final String COL_AVATAR_STATIC = "AVATAR_STATIC";
static final String COL_HEADER = "HEADER";
static final String COL_HEADER_STATIC = "HEADER_STATIC";
static final String COL_INSTANCE = "INSTANCE";
static final String COL_OAUTHTOKEN = "OAUTH_TOKEN";
static final String COL_EMOJIS = "EMOJIS";
static final String COL_SOCIAL = "SOCIAL";
static final String COL_CLIENT_ID = "CLIENT_ID";
static final String COL_CLIENT_SECRET = "CLIENT_SECRET";
static final String COL_REFRESH_TOKEN = "REFRESH_TOKEN";
static final String COL_IS_MODERATOR = "IS_MODERATOR";
static final String COL_IS_ADMIN = "IS_ADMIN";
static final String COL_UPDATED_AT = "UPDATED_AT";
static final String COL_PRIVACY = "PRIVACY";
private static final String CREATE_TABLE_USER_ACCOUNT = "CREATE TABLE " + TABLE_USER_ACCOUNT + " ("
+ COL_USER_ID + " TEXT PRIMARY KEY, " + COL_USERNAME + " TEXT NOT NULL, " + COL_ACCT + " TEXT NOT NULL, "
+ COL_DISPLAYED_NAME + " TEXT NOT NULL, " + COL_LOCKED + " INTEGER NOT NULL, "
+ COL_FOLLOWERS_COUNT + " INTEGER NOT NULL, " + COL_FOLLOWING_COUNT + " INTEGER NOT NULL, " + COL_STATUSES_COUNT + " INTEGER NOT NULL, "
+ COL_NOTE + " TEXT NOT NULL, "+ COL_URL + " TEXT NOT NULL, "
+ COL_AVATAR + " TEXT NOT NULL, "+ COL_AVATAR_STATIC + " TEXT NOT NULL, "
+ COL_HEADER + " TEXT NOT NULL, "+ COL_HEADER_STATIC + " TEXT NOT NULL, "
+ COL_EMOJIS + " TEXT, "
+ COL_SOCIAL + " TEXT, "
+ COL_IS_MODERATOR + " INTEGER DEFAULT 0, "
+ COL_IS_ADMIN + " INTEGER DEFAULT 0, "
+ COL_CLIENT_ID + " TEXT, " + COL_CLIENT_SECRET + " TEXT, " + COL_REFRESH_TOKEN + " TEXT,"
+ COL_UPDATED_AT + " TEXT, "
+ COL_INSTANCE + " TEXT NOT NULL, " + COL_OAUTHTOKEN + " TEXT NOT NULL, " + COL_CREATED_AT + " TEXT NOT NULL)";
static final String COL_ID = "ID";
static final String COL_STATUS_SERIALIZED = "STATUS_SERIALIZED";
static final String COL_STATUS_REPLY_SERIALIZED = "STATUS_REPLY_SERIALIZED";
static final String COL_DATE_CREATION = "DATE_CREATION";
static final String COL_IS_SCHEDULED = "IS_SCHEDULED";
static final String COL_DATE_SCHEDULED = "DATE_SCHEDULED";
static final String COL_SENT = "SENT";
static final String COL_DATE_SENT = "DATE_SENT";
private static final String CREATE_TABLE_STATUSES_STORED = "CREATE TABLE " + TABLE_STATUSES_STORED + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_USER_ID + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, "
+ COL_STATUS_SERIALIZED + " TEXT NOT NULL, " + COL_STATUS_REPLY_SERIALIZED + " TEXT, " + COL_DATE_CREATION + " TEXT NOT NULL, "
+ COL_IS_SCHEDULED + " INTEGER NOT NULL, " + COL_DATE_SCHEDULED + " TEXT, "
+ COL_SENT + " INTEGER NOT NULL, " + COL_DATE_SENT + " TEXT)";
static final String COL_SHORTCODE = "SHORTCODE";
static final String COL_URL_STATIC = "URL_STATIC";
private final String CREATE_TABLE_CUSTOM_EMOJI = "CREATE TABLE " + TABLE_CUSTOM_EMOJI + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_SHORTCODE + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, "
+ COL_URL + " TEXT NOT NULL, " + COL_URL_STATIC + " TEXT NOT NULL, " + COL_DATE_CREATION + " TEXT NOT NULL)";
static final String COL_KEYWORDS = "KEYWORDS";
static final String COL_IS_ART= "IS_ART";
static final String COL_IS_NSFW= "IS_NSFW";
static final String COL_ANY= "ANY_TAG";
static final String COL_ALL= "ALL_TAG";
static final String COL_NONE = "NONE_TAG";
static final String COL_NAME = "NAME";
private final String CREATE_TABLE_SEARCH = "CREATE TABLE " + TABLE_SEARCH + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_KEYWORDS + " TEXT NOT NULL, " + COL_USER_ID + " TEXT NOT NULL, "
+ COL_ANY + " TEXT, " + COL_ALL + " TEXT, " + COL_NONE + " TEXT, "+ COL_NAME + " TEXT, "
+ COL_IS_ART + " INTEGER DEFAULT 0, " + COL_IS_NSFW + " INTEGER DEFAULT 0, "
+ COL_DATE_CREATION + " TEXT NOT NULL)";
static final String COL_TARGETED_USER_ID = "TARGETED_USER_ID";
static final String COL_DATE_END = "DATE_END";
private final String CREATE_TABLE_TEMP_MUTE = "CREATE TABLE " + TABLE_TEMP_MUTE + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_ACCT + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, " + COL_TARGETED_USER_ID + " TEXT NOT NULL, " + COL_DATE_CREATION + " TEXT NOT NULL, " + COL_DATE_END + " TEXT NOT NULL)";
static final String COL_CACHED_ACTION = "CACHED_ACTION";
static final String COL_STATUS_ID = "STATUS_ID";
static final String COL_URI = "URI";
static final String COL_ACCOUNT = "ACCOUNT";
static final String COL_IN_REPLY_TO_ID = "IN_REPLY_TO_ID";
static final String COL_IN_REPLY_TO_ACCOUNT_ID = "IN_REPLY_TO_ACCOUNT_ID";
static final String COL_REBLOG = "REBLOG";
static final String COL_CONTENT = "CONTENT";
static final String COL_REBLOGS_COUNT = "REBLOGS_COUNT";
static final String COL_FAVOURITES_COUNT = "FAVOURITES_COUNT";
static final String COL_REBLOGGED = "REBLOGGED";
static final String COL_FAVOURITED = "FAVOURITED";
static final String COL_MUTED = "MUTED";
static final String COL_SENSITIVE = "SENSITIVE";
static final String COL_SPOILER_TEXT = "SPOILER_TEXT";
static final String COL_VISIBILITY = "VISIBILITY";
static final String COL_MEDIA_ATTACHMENTS = "MEDIA_ATTACHMENTS";
static final String COL_MENTIONS = "MENTIONS";
static final String COL_TAGS = "TAGS";
static final String COL_APPLICATION = "APPLICATION";
static final String COL_LANGUAGE = "LANGUAGE";
static final String COL_PINNED = "PINNED";
static final String COL_DATE_BACKUP = "DATE_BACKUP";
static final String COL_CARD = "CARD";
private final String CREATE_TABLE_STATUSES_CACHE = "CREATE TABLE " + TABLE_STATUSES_CACHE + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_CACHED_ACTION + " INTEGER NOT NULL, "+ COL_INSTANCE + " TEXT NOT NULL, " + COL_USER_ID + " NOT NULL, " + COL_DATE_BACKUP + " TEXT NOT NULL, "
+ COL_STATUS_ID + " TEXT NOT NULL, " + COL_URI + " TEXT NOT NULL, " + COL_URL + " TEXT NOT NULL, "
+ COL_ACCOUNT + " TEXT NOT NULL, " + COL_IN_REPLY_TO_ID + " TEXT, " + COL_IN_REPLY_TO_ACCOUNT_ID + " TEXT,"
+ COL_REBLOG + " TEXT, " + COL_CONTENT + " TEXT NOT NULL, " + COL_CREATED_AT + " TEXT NOT NULL, "
+ COL_EMOJIS + " TEXT, " + COL_REBLOGS_COUNT + " INTEGER NOT NULL, " + COL_FAVOURITES_COUNT + " INTEGER NOT NULL, "
+ COL_REBLOGGED + " INTEGER, " + COL_FAVOURITED + " INTEGER, " + COL_MUTED + " INTEGER, " + COL_SENSITIVE + " INTEGER, "
+ COL_SPOILER_TEXT + " TEXT, " + COL_VISIBILITY + " TEXT NOT NULL, " + COL_MEDIA_ATTACHMENTS + " TEXT," + COL_CARD + " TEXT,"
+ COL_MENTIONS + " TEXT, " + COL_TAGS + " TEXT, " + COL_APPLICATION + " TEXT,"
+ COL_LANGUAGE + " TEXT," + COL_PINNED + " INTEGER)";
private final String CREATE_UNIQUE_CACHE_INDEX = "CREATE UNIQUE INDEX instance_statusid on "
+ TABLE_STATUSES_CACHE + "(" + COL_INSTANCE +"," + COL_STATUS_ID + ")";
static final String COL_INSTANCE_TYPE = "INSTANCE_TYPE";
private final String CREATE_TABLE_INSTANCES = "CREATE TABLE " + TABLE_INSTANCES + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_INSTANCE + " TEXT NOT NULL, " + COL_USER_ID + " TEXT NOT NULL, " + COL_INSTANCE_TYPE + " TEXT, " + COL_DATE_CREATION + " TEXT NOT NULL)";
static final String COL_UUID = "UUID";
static final String COL_CACHE = "CACHE";
static final String COL_DATE = "DATE";
private final String CREATE_TABLE_PEERTUBE_FAVOURITES = "CREATE TABLE "
+ TABLE_PEERTUBE_FAVOURITES + "("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_UUID + " TEXT NOT NULL, "
+ COL_INSTANCE + " TEXT NOT NULL, "
+ COL_CACHE + " TEXT NOT NULL, "
+ COL_DATE + " TEXT NOT NULL)";
private final String CREATE_TABLE_CACHE_TAGS = "CREATE TABLE "
+ TABLE_CACHE_TAGS + "("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_TAGS + " TEXT NOT NULL)";
private static final String CREATE_TABLE_BOOST_SCHEDULE = "CREATE TABLE " + TABLE_BOOST_SCHEDULE + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_USER_ID + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, "
+ COL_STATUS_SERIALIZED + " TEXT NOT NULL, "+ COL_DATE_SCHEDULED + " TEXT, "
+ COL_IS_SCHEDULED + " INTEGER NOT NULL, " + COL_SENT + " INTEGER NOT NULL, " + COL_DATE_SENT + " TEXT)";
static final String COL_DOMAIN = "DOMAIN";
private static final String CREATE_TABLE_TRACKING_BLOCK = "CREATE TABLE " + TABLE_TRACKING_BLOCK + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_DOMAIN + " TEXT NOT NULL)";
static final String COL_TYPE = "TYPE";
static final String COL_LIST_TIMELINE = "LIST_TIMELINE";
static final String COL_DISPLAYED = "DISPLAYED";
static final String COL_POSITION = "POSITION";
static final String COL_REMOTE_INSTANCE = "REMOTE_INSTANCE";
static final String COL_TAG_TIMELINE = "TAG_TIMELINE";
private static final String CREATE_TABLE_TIMELINES = "CREATE TABLE IF NOT EXISTS " + TABLE_TIMELINES + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_POSITION + " INTEGER NOT NULL, "
+ COL_USER_ID + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, "
+ COL_TYPE + " TEXT NOT NULL, "
+ COL_REMOTE_INSTANCE + " TEXT, "
+ COL_TAG_TIMELINE + " TEXT, "
+ COL_DISPLAYED + " INTEGER NOT NULL, "
+ COL_LIST_TIMELINE + " TEXT)";
public Sqlite(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
super(context, name, factory, version);
}
public static synchronized Sqlite getInstance(Context context, String name, SQLiteDatabase.CursorFactory factory, int version)
{
if (sInstance == null) {
sInstance = new Sqlite(context, name, factory, version);
}
return sInstance;
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(CREATE_TABLE_USER_ACCOUNT);
db.execSQL(CREATE_TABLE_STATUSES_STORED);
db.execSQL(CREATE_TABLE_CUSTOM_EMOJI);
db.execSQL(CREATE_TABLE_SEARCH);
db.execSQL(CREATE_TABLE_TEMP_MUTE);
db.execSQL(CREATE_TABLE_STATUSES_CACHE);
db.execSQL(CREATE_UNIQUE_CACHE_INDEX);
db.execSQL(CREATE_TABLE_INSTANCES);
db.execSQL(CREATE_TABLE_PEERTUBE_FAVOURITES);
db.execSQL(CREATE_TABLE_CACHE_TAGS);
db.execSQL(CREATE_TABLE_BOOST_SCHEDULE);
db.execSQL(CREATE_TABLE_TRACKING_BLOCK);
db.execSQL(CREATE_TABLE_TIMELINES);
}
@Override
public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
switch (oldVersion) {
case 1:
db.execSQL(CREATE_TABLE_STATUSES_STORED);
case 2:
db.execSQL("DROP TABLE IF EXISTS " + TABLE_STATUSES_STORED);
db.execSQL(CREATE_TABLE_STATUSES_STORED);
case 3:
db.execSQL(CREATE_TABLE_CUSTOM_EMOJI);
case 4:
db.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_CUSTOM_EMOJI + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_SHORTCODE + " TEXT NOT NULL, " + COL_INSTANCE + " TEXT NOT NULL, "
+ COL_URL + " TEXT NOT NULL, " + COL_URL_STATIC + " TEXT NOT NULL, " + COL_DATE_CREATION + " TEXT NOT NULL)");
case 5:
db.execSQL("delete from "+ TABLE_CUSTOM_EMOJI); //Reset table due to bugs
case 6:
db.execSQL(CREATE_TABLE_SEARCH);
case 7:
db.execSQL(CREATE_TABLE_TEMP_MUTE);
case 8:
db.execSQL(CREATE_TABLE_STATUSES_CACHE);
case 9:
db.execSQL("DROP TABLE IF EXISTS " + TABLE_STATUSES_CACHE);
db.execSQL(CREATE_TABLE_STATUSES_CACHE);
case 10:
//Table cache is deleted to avoid error during migration
db.execSQL("DROP TABLE IF EXISTS " + TABLE_STATUSES_CACHE);
db.execSQL(CREATE_TABLE_STATUSES_CACHE);
db.execSQL(CREATE_UNIQUE_CACHE_INDEX);
case 11:
db.execSQL(CREATE_TABLE_INSTANCES);
case 12:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN "+ COL_EMOJIS + " TEXT");
case 13:
if( oldVersion > 11)
db.execSQL("ALTER TABLE " + TABLE_INSTANCES + " ADD COLUMN "+ COL_INSTANCE_TYPE + " TEXT");
case 14:
db.execSQL(CREATE_TABLE_PEERTUBE_FAVOURITES);
case 15:
if( oldVersion > 8)
db.execSQL("ALTER TABLE " + TABLE_STATUSES_CACHE + " ADD COLUMN "+ COL_CARD + " TEXT");
case 16:
case 17:
db.execSQL("DROP TABLE IF EXISTS '" + TABLE_TIMELINE_CACHE + "'");
db.execSQL(CREATE_TABLE_CACHE_TAGS);
case 18:
db.execSQL(CREATE_TABLE_BOOST_SCHEDULE);
case 19:
if( oldVersion > 6) {
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_IS_ART + " INTEGER DEFAULT 0");
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_IS_NSFW + " INTEGER DEFAULT 0");
}
case 20:
if( oldVersion > 6) {
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_ANY + " TEXT");
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_ALL + " TEXT");
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_NONE + " TEXT");
}
case 21:
if( oldVersion > 6) {
db.execSQL("ALTER TABLE " + TABLE_SEARCH + " ADD COLUMN " + COL_NAME + " TEXT");
}
case 22:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_SOCIAL + " TEXT");
case 23:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_CLIENT_ID + " TEXT");
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_CLIENT_SECRET + " TEXT");
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_REFRESH_TOKEN + " TEXT");
case 24:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_IS_MODERATOR + " INTEGER DEFAULT 0");
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_IS_ADMIN + " INTEGER DEFAULT 0");
case 25:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_UPDATED_AT + " TEXT");
case 26:
db.execSQL(CREATE_TABLE_TRACKING_BLOCK);
case 27:
db.execSQL(CREATE_TABLE_TIMELINES);
case 28:
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_PRIVACY + " TEXT");
db.execSQL("ALTER TABLE " + TABLE_USER_ACCOUNT + " ADD COLUMN " + COL_SENSITIVE + " INTEGER DEFAULT 0");
default:
break;
}
}
public SQLiteDatabase open(){
//opened with write access
db = getWritableDatabase();
return db;
}
public void close(){
//Close the db
if( db != null && db.isOpen() ) {
db.close();
}
}
public static void importDB(Activity activity, String backupDBPath) {
try {
db.close();
File dbDest = activity.getDatabasePath(DB_NAME);
File dbSource = new File(backupDBPath);
FileChannel src = new FileInputStream(dbSource).getChannel();
FileChannel dst = new FileOutputStream(dbDest).getChannel();
dst.transferFrom(src, 0, src.size());
src.close();
dst.close();
Helper.logoutCurrentUser(activity);
} catch (Exception e) {
e.printStackTrace();
Toasty.error(activity, activity.getString(R.string.data_import_error_simple),Toast.LENGTH_LONG).show();
}
}
public static void exportDB(Context context) {
try {
File sd = Environment.getExternalStorageDirectory();
if (sd.canWrite()) {
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(new Date());
String backupDBPath = "Fedilab_export_"+timeStamp+".fedilab";
File dbSource = context.getDatabasePath(DB_NAME);
File dbDest = new File(sd,backupDBPath);
FileChannel src = new FileInputStream(dbSource).getChannel();
FileChannel dst = new FileOutputStream(dbDest).getChannel();
dst.transferFrom(src, 0, src.size());
src.close();
dst.close();
final Intent intent = new Intent();
Random r = new Random();
final int notificationIdTmp = r.nextInt(10000);
intent.setAction(android.content.Intent.ACTION_VIEW);
Uri uri = Uri.fromFile(dbDest);
intent.setDataAndType(uri, "*/*");
Helper.notify_user(context, intent, notificationIdTmp, BitmapFactory.decodeResource(context.getResources(),
R.mipmap.ic_launcher), Helper.NotifType.STORE, context.getString(R.string.save_over), context.getString(R.string.download_from, backupDBPath));
Toasty.success(context, context.getString(R.string.data_base_exported),Toast.LENGTH_LONG).show();
}
} catch (Exception e) {
e.printStackTrace();
Toasty.error(context, context.getString(R.string.data_export_error_simple), Toast.LENGTH_LONG).show();
}
}
}
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