package com.gyee.wisdom.adapter.common.util;

import com.gyee.wisdom.adapter.model.adapter.ToData;

import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

public abstract class DataUtil {

    private DataUtil() {
    }

    public static <T> List<T> convertDataList(Collection<? extends ToData<T>> toDataList) {
        return toDataList.stream().map(ToData::toData).collect(Collectors.toList());
    }

    public static <T> T getData(ToData<T> data) {
        return Optional.ofNullable(data).isPresent() ? data.toData() : null;
    }

    public static String convertStringToSql(String ...content){
        if (content == null)
            return null;

        StringBuilder sb = new StringBuilder();
        for (String data : content){
            sb.append("'").append(data).append("',");
        }

        String sql = sb.toString();

        return sql.substring(0, sql.length() - 1);
    }

}