com.github.triceo.robozonky.app.investing.StrategyBasedInvestmentCommand Maven / Gradle / Ivy
/*
* Copyright 2017 Lukáš Petrovický
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.github.triceo.robozonky.app.investing;
import java.util.Collection;
import com.github.triceo.robozonky.api.notifications.LoanRecommendedEvent;
import com.github.triceo.robozonky.api.notifications.StrategyCompletedEvent;
import com.github.triceo.robozonky.api.notifications.StrategyStartedEvent;
import com.github.triceo.robozonky.api.strategies.InvestmentStrategy;
import com.github.triceo.robozonky.api.strategies.LoanDescriptor;
import com.github.triceo.robozonky.api.strategies.Recommendation;
import com.github.triceo.robozonky.app.Events;
final class StrategyBasedInvestmentCommand implements InvestmentCommand {
private final InvestmentStrategy strategy;
private final Collection loans;
public StrategyBasedInvestmentCommand(final InvestmentStrategy strategy,
final Collection loans) {
this.strategy = strategy;
this.loans = loans;
}
@Override
public Collection getLoans() {
return loans;
}
@Override
public void accept(final Session s) {
Events.fire(new StrategyStartedEvent(strategy, s.getAvailableLoans(), s.getPortfolioOverview()));
do {
final Collection recommendations =
strategy.recommend(s.getAvailableLoans(), s.getPortfolioOverview());
final boolean investmentWasMade = recommendations.stream()
.peek(r -> Events.fire(new LoanRecommendedEvent(r)))
.anyMatch(s::invest);
if (!investmentWasMade) { // there is nothing to invest into; RoboZonky is finished now
break;
}
} while (s.getPortfolioOverview().getCzkAvailable() >= 0);
Events.fire(new StrategyCompletedEvent(strategy, s.getInvestmentsMade(), s.getPortfolioOverview()));
}
}