quant-trader-service/src/main/java/com/quantai/trader/evidence/EvidenceAppender.java

package com.quantai.trader.evidence;

import com.quantai.trader.domain.TraderEvidence;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CopyOnWriteArrayList;

@Component
public class EvidenceAppender {
    private static final Logger log = LoggerFactory.getLogger(EvidenceAppender.class);
    private final CopyOnWriteArrayList<TraderEvidence> evidence = new CopyOnWriteArrayList<>();

    public TraderEvidence append(String runId, String cycleId, String stage, boolean pass, String reason, String blocker, Map<String, Object> details) {
        TraderEvidence item = new TraderEvidence("evidence_" + cycleId + "_" + evidence.size(), runId, cycleId,
                stage, pass, reason, blocker, Instant.now(), details);
        evidence.add(item);
        log.info("event=trader.evidence.appended runId={} cycleId={} stage={} pass={} reason={} blocker={}",
                runId, cycleId, stage, pass, reason, blocker);
        return item;
    }

    public List<TraderEvidence> all() {
        return new ArrayList<>(evidence);
    }
}