140 lines
4.3 KiB
Java
140 lines
4.3 KiB
Java
package fr.gouv.etalab.mastodon.sqlite;
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/* Copyright 2017 Thomas Schneider
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*
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* This file is a part of Mastalab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Mastalab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Mastalab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import fr.gouv.etalab.mastodon.helper.Helper;
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/**
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* Created by Thomas on 22/11/2017.
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* Manage search in DB
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*/
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public class SearchDAO {
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private SQLiteDatabase db;
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public Context context;
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private String userId;
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public SearchDAO(Context context, SQLiteDatabase db) {
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//Creation of the DB with tables
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this.context = context;
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this.db = db;
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SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, Context.MODE_PRIVATE);
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userId = sharedpreferences.getString(Helper.PREF_KEY_ID, null);
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}
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//------- INSERTIONS -------
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/**
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* Insert a keyword in database
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* @param keyword String
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*/
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public void insertSearch(String keyword) {
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ContentValues values = new ContentValues();
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values.put(Sqlite.COL_KEYWORDS, keyword);
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values.put(Sqlite.COL_USER_ID, userId);
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values.put(Sqlite.COL_DATE_CREATION, Helper.dateToString(context, new Date()));
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//Inserts search
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try{
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db.insert(Sqlite.TABLE_SEARCH, null, values);
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}catch (Exception ignored) {}
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}
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//------- REMOVE -------
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/***
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* Remove search by keyword
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* @return int
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*/
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public int remove(String keyword){
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return db.delete(Sqlite.TABLE_SEARCH, Sqlite.COL_KEYWORDS + " = \"" + keyword + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId+ "\"", null);
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}
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//------- GETTERS -------
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/**
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* Returns all search in db for a user
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* @return search List<String>
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*/
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public List<String> getAllSearch(){
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try {
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Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_USER_ID + " = '" + userId+ "'", null, null, null, Sqlite.COL_KEYWORDS + " ASC", null);
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return cursorToListSearch(c);
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* Returns search by its keyword in db
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* @return keywords List<String>
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*/
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public List<String> getSearchStartingBy(String keyword){
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try {
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Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " LIKE \"%" + keyword + "%\" AND " + Sqlite.COL_USER_ID + " = \"" + userId+ "\"", null, null, null, null, null);
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return cursorToListSearch(c);
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* Returns search by its keyword in db
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* @return keywords List<String>
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*/
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public List<String> getSearchByKeyword(String keyword){
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try {
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Cursor c = db.query(Sqlite.TABLE_SEARCH, null, Sqlite.COL_KEYWORDS + " = \"" + keyword + "\" AND " + Sqlite.COL_USER_ID + " = \"" + userId+ "\"", null, null, null, null, null);
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return cursorToListSearch(c);
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} catch (Exception e) {
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return null;
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}
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}
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/***
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* Method to hydrate stored search from database
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* @param c Cursor
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* @return List<String>
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*/
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private List<String> cursorToListSearch(Cursor c){
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//No element found
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if (c.getCount() == 0)
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return null;
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List<String> searches = new ArrayList<>();
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while (c.moveToNext() ) {
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searches.add(c.getString(c.getColumnIndex(Sqlite.COL_KEYWORDS)));
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}
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//Close the cursor
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c.close();
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//Search list is returned
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return searches;
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}
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}
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