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fedilab-Android-App/app/src/main/java/app/fedilab/android/sqlite/SearchDAO.java

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Java
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package app.fedilab.android.sqlite;
/* Copyright 2017 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.content.SharedPreferences;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import app.fedilab.android.client.Entities.TagTimeline;
import app.fedilab.android.helper.Helper;
/**
* Created by Thomas on 22/11/2017.
* Manage search in DB
*/
public class SearchDAO {
public Context context;
private SQLiteDatabase db;
private String userId;
public SearchDAO(Context context, SQLiteDatabase db) {
//Creation of the DB with tables
this.context = context;
this.db = db;
SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
userId = sharedpreferences.getString(Helper.PREF_KEY_ID, null);
}
//------- INSERTIONS -------
/**
* Insert a keyword in database
*
* @param keyword String
*/
public void insertSearch(String keyword) {
ContentValues values = new ContentValues();
if (keyword != null && keyword.trim().length() > 0) {
values.put(Sqlite.COL_KEYWORDS, keyword.trim());
values.put(Sqlite.COL_USER_ID, userId);
values.put(Sqlite.COL_DATE_CREATION, Helper.dateToString(new Date()));
//Inserts search
try {
db.insert(Sqlite.TABLE_SEARCH, null, values);
} catch (Exception ignored) {
}
}
}
//------- UPDATES -------
/**
* update tag timeline info in database
*
* @param tagTimeline TagTimeline
*/
public void updateSearch(TagTimeline tagTimeline) {
ContentValues values = new ContentValues();
values.put(Sqlite.COL_IS_ART, tagTimeline.isART() ? 1 : 0);
values.put(Sqlite.COL_IS_NSFW, tagTimeline.isNSFW() ? 1 : 0);
List<String> any = tagTimeline.getAny();
List<String> all = tagTimeline.getAll();
List<String> none = tagTimeline.getNone();
String displayname = tagTimeline.getDisplayname();
values.put(Sqlite.COL_NAME, displayname);
if (any != null && any.size() > 0)
values.put(Sqlite.COL_ANY, Helper.arrayToStringStorage(any));
if (all != null && all.size() > 0)
values.put(Sqlite.COL_ALL, Helper.arrayToStringStorage(all));
if (none != null && none.size() > 0)
values.put(Sqlite.COL_NONE, Helper.arrayToStringStorage(none));
try {
db.update(Sqlite.TABLE_SEARCH, values, Sqlite.COL_ID + " = ? ", new String[]{String.valueOf(tagTimeline.getId())});
} catch (Exception ignored) {
}
}
//------- REMOVE -------
/***
* Remove search by keyword
* @return int
*/
public int remove(String keyword) {
return db.delete(Sqlite.TABLE_SEARCH, Sqlite.COL_KEYWORDS + " = \"" + keyword + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null);
}
//------- GETTERS -------
/**
* Returns all search in db for a user
*
* @return search List<String>
*/
public List<String> getAllSearch() {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_USER_ID + " = '" + userId + "'", null, null, null, Sqlite.COL_KEYWORDS + " ASC", null);
return cursorToListSearch(c);
} catch (Exception e) {
return null;
}
}
/**
* Returns search by its keyword in db
*
* @return keywords List<String>
*/
public List<String> getSearchStartingBy(String keyword) {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " LIKE \"%" + keyword + "%\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, null, null);
return cursorToListSearch(c);
} catch (Exception e) {
return null;
}
}
/**
* Returns search by its keyword in db
*
* @return keywords List<String>
*/
public List<String> getSearchByKeyword(String keyword) {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " = \"" + keyword + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, null, null);
return cursorToListSearch(c);
} catch (Exception e) {
return null;
}
}
/***
* Method to hydrate stored search from database
* @param c Cursor
* @return List<String>
*/
private List<String> cursorToListSearch(Cursor c) {
//No element found
if (c.getCount() == 0) {
c.close();
return null;
}
List<String> searches = new ArrayList<>();
while (c.moveToNext()) {
if (c.getString(c.getColumnIndex(Sqlite.COL_NAME)) != null)
searches.add(c.getString(c.getColumnIndex(Sqlite.COL_NAME)));
else
searches.add(c.getString(c.getColumnIndex(Sqlite.COL_KEYWORDS)));
}
//Close the cursor
c.close();
//Search list is returned
return searches;
}
/**
* Returns TagTimeline information by its keyword in db
*
* @return info List<TagTimeline>
*/
public List<TagTimeline> getTimelineInfo(String keyword) {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " = \"" + keyword + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, null, null);
return cursorToTagTimelineSearch(c);
} catch (Exception e) {
return null;
}
}
/**
* Returns TagTimeline information by its keyword in db
*
* @return info List<TagTimeline>
*/
public List<TagTimeline> getAll() {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, Sqlite.COL_KEYWORDS + " ASC", null);
return cursorToTagTimelineSearch(c);
} catch (Exception e) {
return null;
}
}
/**
* Returns TagTimeline information by its keyword in db
*
* @return info List<TagTimeline>
*/
public List<TagTimeline> getTabInfo(String name) {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_NAME + " = \"" + name + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, null, null);
return cursorToTagTimelineSearch(c);
} catch (Exception e) {
return null;
}
}
/**
* Returns TagTimeline information by its keyword in db
*
* @return info List<TagTimeline>
*/
public List<TagTimeline> getTabInfoKeyword(String name) {
try {
Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " = \"" + name + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId + "\"", null, null, null, null, null);
return cursorToTagTimelineSearch(c);
} catch (Exception e) {
return null;
}
}
/***
* Method to hydrate stored search from database
* @param c Cursor
* @return List<String>
*/
private List<TagTimeline> cursorToTagTimelineSearch(Cursor c) {
//No element found
if (c.getCount() == 0) {
c.close();
return null;
}
List<TagTimeline> searches = new ArrayList<>();
while (c.moveToNext()) {
TagTimeline tagTimeline = new TagTimeline();
try {
tagTimeline.setAny(Helper.restoreArrayFromString(c.getString(c.getColumnIndex(Sqlite.COL_ANY))));
} catch (Exception ignored) {
}
try {
tagTimeline.setAll(Helper.restoreArrayFromString(c.getString(c.getColumnIndex(Sqlite.COL_ALL))));
} catch (Exception ignored) {
}
try {
tagTimeline.setNone(Helper.restoreArrayFromString(c.getString(c.getColumnIndex(Sqlite.COL_NONE))));
} catch (Exception ignored) {
}
tagTimeline.setId(c.getInt(c.getColumnIndex(Sqlite.COL_ID)));
tagTimeline.setName(c.getString(c.getColumnIndex(Sqlite.COL_KEYWORDS)));
tagTimeline.setDisplayname(c.getString(c.getColumnIndex(Sqlite.COL_NAME)));
tagTimeline.setART(c.getInt(c.getColumnIndex(Sqlite.COL_IS_ART)) == 1);
tagTimeline.setNSFW(c.getInt(c.getColumnIndex(Sqlite.COL_IS_NSFW)) == 1);
searches.add(tagTimeline);
}
//Close the cursor
c.close();
//Search list is returned
return searches;
}
}
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