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Code Issues Projects Releases Packages Wiki Activity

Store timelines in db for faster start / switch between them.

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This commit is contained in:
Thomas 2022-05-07 11:14:32 +02:00
parent ac918aaa20
commit e4375381e9
4 changed files with 286 additions and 91 deletions
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257
app/src/main/java/app/fedilab/android/client/entities/QuickLoad.java Normal file
View file

@ -0,0 +1,257 @@
package app.fedilab.android.client.entities;
/* Copyright 2022 Thomas Schneider
*
* This file is a part of Fedilab
*
* 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.
*
* Fedilab 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 Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import com.google.gson.annotations.SerializedName;
import java.util.List;
import app.fedilab.android.activities.MainActivity;
import app.fedilab.android.client.mastodon.entities.Status;
import app.fedilab.android.exception.DBException;
import app.fedilab.android.helper.SpannableHelper;
import app.fedilab.android.sqlite.Sqlite;
public class QuickLoad {
private final SQLiteDatabase db;
@SerializedName("id")
public long id;
@SerializedName("user_id")
public String user_id;
@SerializedName("instance")
public String instance;
@SerializedName("slug")
public String slug;
@SerializedName("position")
public int position;
@SerializedName("statuses")
public List<Status> statuses;
private Context _mContext;
public QuickLoad() {
db = null;
}
public QuickLoad(Context context) {
//Creation of the DB with tables
this.db = Sqlite.getInstance(context.getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
_mContext = context;
}
/**
* Check if the current timeline can be stored
*
* @param timeLineType - Timeline.TimeLineEnum
* @return boolean
*/
private static boolean cannotBeStored(Timeline.TimeLineEnum timeLineType) {
return timeLineType != Timeline.TimeLineEnum.HOME && timeLineType != Timeline.TimeLineEnum.LOCAL && timeLineType != Timeline.TimeLineEnum.PUBLIC && timeLineType != Timeline.TimeLineEnum.REMOTE && timeLineType != Timeline.TimeLineEnum.LIST && timeLineType != Timeline.TimeLineEnum.TAG;
}
/**
* Insert or update a QuickLoad
*
* @param quickLoad {@link QuickLoad}
* @throws DBException exception with database
*/
private void insertOrUpdate(QuickLoad quickLoad) throws DBException {
if (db == null) {
throw new DBException("db is null. Wrong initialization.");
}
boolean exists = quickLoadExist(quickLoad);
if (exists) {
updateStatus(quickLoad);
} else {
insertQuickLoad(quickLoad);
}
}
/**
* Check if a QuickLoad exists in db
*
* @param quickLoad QuickLoad {@link QuickLoad}
* @return boolean - QuickLoad exists
* @throws DBException Exception
*/
public boolean quickLoadExist(QuickLoad quickLoad) throws DBException {
if (db == null) {
throw new DBException("db is null. Wrong initialization.");
}
Cursor mCount = db.rawQuery("select count(*) from " + Sqlite.TABLE_QUICK_LOAD
+ " where " + Sqlite.COL_SLUG + " = '" + quickLoad.slug + "'"
+ " AND " + Sqlite.COL_INSTANCE + " = '" + quickLoad.instance + "'"
+ " AND " + Sqlite.COL_USER_ID + "= '" + quickLoad.user_id + "'", null);
mCount.moveToFirst();
int count = mCount.getInt(0);
mCount.close();
return (count > 0);
}
/**
* @param position - current position in timeline
* @param timeLineType - Timeline.TimeLineEnum
* @param statusList - List<Status> to save
* @param ident - the name for pinned timeline
*/
public void storeTimeline(int position, Timeline.TimeLineEnum timeLineType, List<Status> statusList, String ident) {
if (cannotBeStored(timeLineType)) {
return;
}
String key = timeLineType.getValue();
if (ident != null) {
key += "|" + ident;
}
QuickLoad quickLoad = new QuickLoad();
quickLoad.position = position;
quickLoad.statuses = statusList;
quickLoad.slug = key;
quickLoad.instance = MainActivity.currentInstance;
quickLoad.user_id = MainActivity.currentUserID;
try {
insertOrUpdate(quickLoad);
} catch (DBException e) {
e.printStackTrace();
}
}
/**
* Insert a QuickLoad in db
*
* @param quickLoad {@link QuickLoad}
* @throws DBException exception with database
*/
private void insertQuickLoad(QuickLoad quickLoad) throws DBException {
if (db == null) {
throw new DBException("db is null. Wrong initialization.");
}
ContentValues values = new ContentValues();
values.put(Sqlite.COL_USER_ID, quickLoad.user_id);
values.put(Sqlite.COL_INSTANCE, quickLoad.instance);
values.put(Sqlite.COL_SLUG, quickLoad.slug);
values.put(Sqlite.COL_POSITION, quickLoad.position);
values.put(Sqlite.COL_STATUSES, StatusDraft.mastodonStatusListToStringStorage(quickLoad.statuses));
//Inserts token
try {
db.insertOrThrow(Sqlite.TABLE_QUICK_LOAD, null, values);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Retrieves saved values
*
* @param timeLineType - Timeline.TimeLineEnum
* @param ident - the name for pinned timeline
* @return SavedValues
*/
public QuickLoad getSavedValue(Timeline.TimeLineEnum timeLineType, String ident) {
if (cannotBeStored(timeLineType)) {
return null;
}
String key = timeLineType.getValue();
if (ident != null) {
key += "|" + ident;
}
try {
return get(key);
} catch (DBException e) {
e.printStackTrace();
}
return null;
}
/**
* Update a QuickLoad in db
*
* @param quickLoad {@link QuickLoad}
* @throws DBException exception with database
*/
private void updateStatus(QuickLoad quickLoad) throws DBException {
if (db == null) {
throw new DBException("db is null. Wrong initialization.");
}
ContentValues values = new ContentValues();
values.put(Sqlite.COL_POSITION, quickLoad.position);
values.put(Sqlite.COL_STATUSES, StatusDraft.mastodonStatusListToStringStorage(quickLoad.statuses));
//Inserts token
try {
db.update(Sqlite.TABLE_QUICK_LOAD,
values, Sqlite.COL_USER_ID + " = ? AND " + Sqlite.COL_INSTANCE + " =? AND " + Sqlite.COL_SLUG + "=?",
new String[]{quickLoad.user_id, quickLoad.instance, quickLoad.slug});
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Get paginated statuses from db
*
* @return Statuses
* @throws DBException - throws a db exception
*/
private QuickLoad get(String slug) throws DBException {
if (db == null) {
throw new DBException("db is null. Wrong initialization.");
}
try {
Cursor c = db.query(Sqlite.TABLE_QUICK_LOAD, null, Sqlite.COL_USER_ID + " = ? AND " + Sqlite.COL_INSTANCE + " =? AND " + Sqlite.COL_SLUG + "=?",
new String[]{MainActivity.currentUserID, MainActivity.currentInstance, slug}, null, null, null, "1");
return cursorToQuickLoad(c);
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Convert a cursor to QuickLoad
*
* @param c Cursor
* @return QuickLoad
*/
private QuickLoad cursorToQuickLoad(Cursor c) {
//No element found
if (c.getCount() == 0) {
c.close();
return null;
}
//Take the first element
c.moveToFirst();
QuickLoad quickLoad = new QuickLoad();
quickLoad.id = c.getInt(c.getColumnIndexOrThrow(Sqlite.COL_ID));
quickLoad.instance = c.getString(c.getColumnIndexOrThrow(Sqlite.COL_INSTANCE));
quickLoad.user_id = c.getString(c.getColumnIndexOrThrow(Sqlite.COL_USER_ID));
quickLoad.slug = c.getString(c.getColumnIndexOrThrow(Sqlite.COL_SLUG));
quickLoad.statuses = StatusDraft.restoreStatusListFromString(c.getString(c.getColumnIndexOrThrow(Sqlite.COL_STATUSES)));
quickLoad.position = c.getInt(c.getColumnIndexOrThrow(Sqlite.COL_POSITION));
//TimelineHelper.filterStatus(_mContext, quickLoad.statuses, TimelineHelper.FilterTimeLineType.PUBLIC);
quickLoad.statuses = SpannableHelper.convertStatus(_mContext, quickLoad.statuses);
//Close the cursor
c.close();
return quickLoad;
}
}

76
app/src/main/java/app/fedilab/android/client/entities/app/SavedValues.java
View file

@ -1,76 +0,0 @@
package app.fedilab.android.client.entities.app;
/* Copyright 2022 Thomas Schneider
*
* This file is a part of Fedilab
*
* 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.
*
* Fedilab 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 Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import java.util.HashMap;
import java.util.List;
import app.fedilab.android.client.entities.Timeline;
import app.fedilab.android.client.mastodon.entities.Status;
public class SavedValues {
public static HashMap<String, SavedValues> storedStates = new HashMap<>();
public int position;
public List<Status> statusList;
/**
* Retrieves saved values
*
* @param timeLineType - Timeline.TimeLineEnum
* @param ident - the name for pinned timeline
* @return SavedValues
*/
public static SavedValues getSavedValue(Timeline.TimeLineEnum timeLineType, String ident) {
if (!canBestored(timeLineType)) {
return null;
}
String key = timeLineType.getValue();
if (ident != null) {
key += "|" + ident;
}
return storedStates.get(key);
}
/**
* Check if the current timeline can be stored
*
* @param timeLineType - Timeline.TimeLineEnum
* @return boolean
*/
private static boolean canBestored(Timeline.TimeLineEnum timeLineType) {
return timeLineType == Timeline.TimeLineEnum.HOME || timeLineType == Timeline.TimeLineEnum.LOCAL || timeLineType == Timeline.TimeLineEnum.PUBLIC || timeLineType == Timeline.TimeLineEnum.REMOTE || timeLineType == Timeline.TimeLineEnum.LIST || timeLineType == Timeline.TimeLineEnum.TAG;
}
/**
* @param position - current position in timeline
* @param timeLineType - Timeline.TimeLineEnum
* @param statusList - List<Status> to save
* @param ident - the name for pinned timeline
*/
public static void storeTimeline(int position, Timeline.TimeLineEnum timeLineType, List<Status> statusList, String ident) {
if (!canBestored(timeLineType)) {
return;
}
String key = timeLineType.getValue();
if (ident != null) {
key += "|" + ident;
}
SavedValues savedValues = new SavedValues();
savedValues.position = position;
savedValues.statusList = statusList;
storedStates.put(key, savedValues);
}
}

17
app/src/main/java/app/fedilab/android/sqlite/Sqlite.java
View file

@ -23,7 +23,7 @@ import android.database.sqlite.SQLiteOpenHelper;
public class Sqlite extends SQLiteOpenHelper {
public static final int DB_VERSION = 1;
public static final int DB_VERSION = 2;
public static final String DB_NAME = "fedilab_db";
//Table of owned accounts
@ -73,6 +73,10 @@ public class Sqlite extends SQLiteOpenHelper {
public static final String COL_SCHEDULED_AT = "SCHEDULED_AT";
public static final String COL_REBLOGGED = "REBLOGGED";
public static final String COL_WORKER_UUID = "WORKER_UUID";
//Quick load
public static final String TABLE_QUICK_LOAD = "QUICK_LOAD";
public static final String COL_SLUG = "SLUG";
public static final String COL_STATUSES = "STATUSES";
private static final String CREATE_TABLE_USER_ACCOUNT = "CREATE TABLE " + TABLE_USER_ACCOUNT + " ("
+ COL_USER_ID + " TEXT NOT NULL, "
@ -145,6 +149,14 @@ public class Sqlite extends SQLiteOpenHelper {
+ COL_WORKER_UUID + " TEXT, "
+ COL_SCHEDULED_AT + " TEXT NOT NULL)";
private static final String CREATE_TABLE_QUICK_LOAD = "CREATE TABLE IF NOT EXISTS " + TABLE_QUICK_LOAD + " ("
+ COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ COL_INSTANCE + " TEXT NOT NULL, "
+ COL_USER_ID + " TEXT NOT NULL, "
+ COL_SLUG + " TEXT NOT NULL, "
+ COL_POSITION + " INTEGER, "
+ COL_STATUSES + " TEXT NOT NULL)";
public static SQLiteDatabase db;
private static Sqlite sInstance;
@ -171,6 +183,7 @@ public class Sqlite extends SQLiteOpenHelper {
db.execSQL(CREATE_TABLE_STATUS_DRAFT);
db.execSQL(CREATE_TABLE_PINNED_TIMELINES);
db.execSQL(CREATE_TABLE_SCHEDULE_BOOST);
db.execSQL(CREATE_TABLE_QUICK_LOAD);
}
@Override
@ -182,6 +195,8 @@ public class Sqlite extends SQLiteOpenHelper {
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
//noinspection SwitchStatementWithTooFewBranches
switch (oldVersion) {
case 1:
db.execSQL(CREATE_TABLE_QUICK_LOAD);
default:
break;
}

27
app/src/main/java/app/fedilab/android/ui/fragment/timeline/FragmentMastodonTimeline.java
View file

@ -41,8 +41,8 @@ import java.util.List;
import app.fedilab.android.BaseMainActivity;
import app.fedilab.android.R;
import app.fedilab.android.client.entities.QuickLoad;
import app.fedilab.android.client.entities.Timeline;
import app.fedilab.android.client.entities.app.SavedValues;
import app.fedilab.android.client.entities.app.TagTimeline;
import app.fedilab.android.client.mastodon.entities.Account;
import app.fedilab.android.client.mastodon.entities.Marker;
@ -351,11 +351,14 @@ public class FragmentMastodonTimeline extends Fragment {
@Override
public void onDestroyView() {
super.onDestroyView();
if (mLayoutManager != null) {
int position = mLayoutManager.findFirstVisibleItemPosition();
new Thread(() -> SavedValues.storeTimeline(position, timelineType, statuses, ident)).start();
new Thread(() -> {
try {
new QuickLoad(requireActivity()).storeTimeline(position, timelineType, statuses, ident);
} catch (Exception ignored) {
}
}).start();
}
//Update last read id for home timeline
storeMarker();
@ -365,6 +368,7 @@ public class FragmentMastodonTimeline extends Fragment {
LocalBroadcastManager.getInstance(requireActivity()).unregisterReceiver(receive_action);
statusAdapter = null;
binding = null;
super.onDestroyView();
}
private void storeMarker() {
@ -403,18 +407,13 @@ public class FragmentMastodonTimeline extends Fragment {
private void route(DIRECTION direction) {
new Thread(() -> {
SavedValues savedValues = SavedValues.getSavedValue(timelineType, ident);
if (savedValues != null && savedValues.statusList != null && savedValues.statusList.size() > 0) {
QuickLoad quickLoad = new QuickLoad(requireActivity()).getSavedValue(timelineType, ident);
if (quickLoad != null && quickLoad.statuses != null && quickLoad.statuses.size() > 0) {
Statuses statuses = new Statuses();
statuses.statuses = savedValues.statusList;
statuses.statuses = quickLoad.statuses;
statuses.pagination = new Pagination();
statuses.pagination.max_id = savedValues.statusList.get(savedValues.statusList.size() - 1).id;
statuses.pagination.min_id = savedValues.statusList.get(0).id;
try {
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
statuses.pagination.max_id = quickLoad.statuses.get(quickLoad.statuses.size() - 1).id;
statuses.pagination.min_id = quickLoad.statuses.get(0).id;
Handler mainHandler = new Handler(Looper.getMainLooper());
Runnable myRunnable = () -> initializeStatusesCommonView(statuses);
mainHandler.post(myRunnable);