/*
 * Copyright (c) 2010 Lockheed Martin Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.eurekastreams.server.action.execution;

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

import org.eurekastreams.server.domain.OrganizationChild;
import org.eurekastreams.server.domain.Person;
import org.eurekastreams.server.persistence.mappers.cache.PopulateOrgChildWithSkeletonParentOrgsCacheMapper;
import org.eurekastreams.server.service.actions.strategies.PersonLookupStrategy;

/**
 * Common strategy for person lookup.
 * 
 */
public class PersonLookupUtilityStrategy
{
    /**
     * Strategy to use for lookup.
     */
    private PersonLookupStrategy lookupStrategy;

    /**
     * Mapper to populate people parent orgs with skeleton org.
     */
    private PopulateOrgChildWithSkeletonParentOrgsCacheMapper populateParentOrgSkeletonMapper;

    /**
     * Constructor.
     * 
     * @param inLookupStrategy
     *            lookup strategy.
     * @param inPopulateParentOrgSkeletonMapper
     *            mapper that populates person's parent org with a skeleton org
     */
    public PersonLookupUtilityStrategy(final PersonLookupStrategy inLookupStrategy,
            final PopulateOrgChildWithSkeletonParentOrgsCacheMapper inPopulateParentOrgSkeletonMapper)
    {
        lookupStrategy = inLookupStrategy;
        populateParentOrgSkeletonMapper = inPopulateParentOrgSkeletonMapper;
    }

    /**
     * Get people.
     * 
     * @param inQueryString
     *            Query string.
     * @param inMaxResults
     *            Max results.
     * @return List of People.
     */
    public List<Person> getPeople(final String inQueryString, final int inMaxResults)
    {
        List<Person> people = lookupStrategy.findPeople(inQueryString, inMaxResults);

        // populate the people's parent orgs skeletons from cache
        List<OrganizationChild> orgChildren = new ArrayList<OrganizationChild>();
        orgChildren.addAll(people);
        populateParentOrgSkeletonMapper.populateParentOrgSkeletons(orgChildren);

        return people;
    }

}