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package com.feingto.cloud.domain.converters;

import com.feingto.cloud.core.json.JSON;
import com.feingto.cloud.dto.monitor.Condition;
import com.feingto.cloud.dto.monitor.Rule;
import com.feingto.cloud.dto.monitor.RuleGroup;
import org.springframework.util.StringUtils;

import javax.persistence.AttributeConverter;

/**
 * Condition 规则表达式持久层转换
 *
 * @author longfei
 */
public class ConditionPersistenceConverters implements AttributeConverter {
    @Override
    public String convertToDatabaseColumn(Condition attribute) {
        return attribute != null ? JSON.build().obj2json(this.convertCondition(attribute)) : null;
    }

    @Override
    public Condition convertToEntityAttribute(String dbData) {
        return StringUtils.hasLength(dbData) ? JSON.build().json2pojo(dbData, Condition.class) : null;
    }

    private Condition convertCondition(Condition condition) {
        condition.getConditions().forEach(this::convertCondition);
        for (RuleGroup ruleGroup : condition.getGroups()) {
            ruleGroup.getRules().forEach(this::clearLabel);
        }
        condition.getRules().forEach(this::clearLabel);
        return condition;
    }

    private void clearLabel(Rule rule) {
        rule.setPropertyLabel(null);
        rule.setElementLabel(null);
        rule.setOpLabel(null);
    }
}