UserQueryUtils.java

package org.nextprot.api.user.utils;

import java.util.ArrayList;
import java.util.List;

import org.nextprot.api.user.domain.UserQuery;

import com.google.common.base.Function;

public class UserQueryUtils {

	public static List<UserQuery> filterByTag(List<UserQuery> queries, String tag) {

		List<UserQuery> res = new ArrayList<UserQuery>();
		for (UserQuery q : queries) {
			if (q.getTags().contains(tag)) {
				res.add(q);
			}
		}
		return res;
	}

	public static List<UserQuery> filterByTagList(List<UserQuery> queries, List<String> expectedTagList) {

		List<UserQuery> res = new ArrayList<UserQuery>();
		for (UserQuery q : queries) {
			if (matchTags(q,expectedTagList)) {
				res.add(q);
			}
		}
		return res;
	}

	/* 
	 * Checks that a query has all the desired tags and has NONE of the undesired tags .
	 * Undesired tags are those frefixed with a dash
	 */
    public static boolean matchTags(UserQuery query, List<String> expectedTagList) {
    	for (String expectedTag: expectedTagList) {
    		boolean shouldHaveTag = expectedTag.charAt(0)!='-';
    		String tag = shouldHaveTag ? expectedTag : expectedTag.substring(1);
    		if (  shouldHaveTag && ! query.getTags().contains(tag)) return false;
    		if (! shouldHaveTag &&   query.getTags().contains(tag)) return false;
    	}
    	return true;
    }

	
	public static List<UserQuery> removeQueriesContainingTag(List<UserQuery> queries, String tag) {

		List<UserQuery> res = new ArrayList<UserQuery>();
		for (UserQuery q : queries) {
			if (!q.getTags().contains(tag)) {
				res.add(q);
			}
		}
		return res;
	}

	public static final Function<UserQuery, Long> EXTRACT_QUERY_ID = new Function<UserQuery, Long>() {
		@Override
		public Long apply(UserQuery query) {

			return query.getUserQueryId();
		}
	};

	public static String getTutoQueryNameFromId(long id) {
		return String.format("NXQ_%05d", id);
	}


}