org.estatio.dom.project.ProgramRolesContributions.java Source code

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Here is the source code for org.estatio.dom.project.ProgramRolesContributions.java

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/*
 *
 *  Copyright 2012-2015 Eurocommercial Properties NV
 *
 *
 *  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.estatio.dom.project;

import java.util.Iterator;
import java.util.List;

import javax.inject.Inject;

import org.joda.time.LocalDate;

import org.apache.isis.applib.annotation.Action;
import org.apache.isis.applib.annotation.ActionLayout;
import org.apache.isis.applib.annotation.CollectionLayout;
import org.apache.isis.applib.annotation.Contributed;
import org.apache.isis.applib.annotation.DomainService;
import org.apache.isis.applib.annotation.NatureOfService;
import org.apache.isis.applib.annotation.Optionality;
import org.apache.isis.applib.annotation.Parameter;
import org.apache.isis.applib.annotation.ParameterLayout;
import org.apache.isis.applib.annotation.RenderType;
import org.apache.isis.applib.annotation.SemanticsOf;

import org.estatio.dom.party.Party;
import org.estatio.dom.valuetypes.LocalDateInterval;

@DomainService(nature = NatureOfService.VIEW_CONTRIBUTIONS_ONLY)
public class ProgramRolesContributions {

    @Action(semantics = SemanticsOf.SAFE)
    @ActionLayout(contributed = Contributed.AS_ASSOCIATION)
    @CollectionLayout(render = RenderType.EAGERLY)
    public List<ProgramRole> roles(final Program program) {
        return programRoles.findByProgram(program);
    }

    @Action(semantics = SemanticsOf.NON_IDEMPOTENT)
    @ActionLayout(contributed = Contributed.AS_ACTION)
    public Program newProgramRole(final Program program,
            final @ParameterLayout(named = "Type") ProgramRoleType type, final Party party,
            final @ParameterLayout(named = "Start date") @Parameter(optionality = Optionality.OPTIONAL) LocalDate startDate,
            final @ParameterLayout(named = "End date") @Parameter(optionality = Optionality.OPTIONAL) LocalDate endDate) {
        programRoles.createRole(program, type, party, startDate, endDate);
        return program;
    }

    public String validateNewProgramRole(final Program program, final ProgramRoleType type, final Party party,
            final LocalDate startDate, final LocalDate endDate) {
        if (startDate != null && endDate != null && startDate.isAfter(endDate)) {
            return "End date cannot be earlier than start date";
        }

        LocalDateInterval newInterval = new LocalDateInterval(startDate, endDate);
        for (Iterator<ProgramRole> it = programRoles.findByProgram(program).iterator(); it.hasNext();) {

            ProgramRole pr = it.next();
            if (pr.getParty().equals(party) && pr.getType().equals(type)) {

                LocalDateInterval oldInterval = new LocalDateInterval(pr.getStartDate(), pr.getEndDate());

                if (newInterval.overlaps(oldInterval)) {
                    return "Same party, same role, cannot have overlapping period";
                }

            }

        }

        return null;
    }

    @Inject
    ProgramRoles programRoles;

}