stocks-be/src/main/java/com/danielbohry/stocks/domain/PortfolioHistory.java

package com.danielbohry.stocks.domain;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;

import java.math.BigDecimal;
import java.time.Instant;
import java.util.List;

@Data
@Builder
@AllArgsConstructor
public class PortfolioHistory {

    private String portfolioId;
    private BigDecimal totalValue;
    private Integer totalAssets;
    private List<PortfolioStock> stocks;
    private Instant createdAt;

    public BigDecimal getTotalValue() {
        return stocks.stream()
            .map(PortfolioStock::getTotal)
            .reduce(BigDecimal.ZERO, BigDecimal::add);
    }

    public Integer getTotalAssets() {
        return stocks.size();
    }

}