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MainViewModel.java
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MainViewModel.java
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/*
* Copyright (C) 2019 - 2024 Vishnu Sanal. T
*
* This file is part of Quotes Status Creator.
*
* Quotes Status Creator 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package phone.vishnu.quotes.viewmodel;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import phone.vishnu.quotes.model.Quote;
import phone.vishnu.quotes.repository.QuotesRepository;
public class MainViewModel extends ViewModel {
private ArrayList<Quote> quoteArrayList = null;
private MutableLiveData<List<Quote>> mutableLiveData = null;
public MainViewModel() {
super();
}
public MutableLiveData<List<Quote>> getQuotes() {
if (quoteArrayList == null || quoteArrayList.isEmpty()) loadQuotes();
return mutableLiveData;
}
private void loadQuotes() {
mutableLiveData = new MutableLiveData<>();
new QuotesRepository()
.getQuotes(
quotes -> {
quoteArrayList = new ArrayList<>(quotes);
Collections.shuffle(quoteArrayList);
mutableLiveData.setValue(quoteArrayList);
});
}
}