fi.ilmoeuro.membertrack.membership.MembershipBrowser.java Source code

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Here is the source code for fi.ilmoeuro.membertrack.membership.MembershipBrowser.java

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/*
 * Copyright (C) 2015 Ilmo Euro <ilmo.euro@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package fi.ilmoeuro.membertrack.membership;

import fi.ilmoeuro.membertrack.paging.Pageable;
import fi.ilmoeuro.membertrack.util.Refreshable;
import fi.ilmoeuro.membertrack.session.SessionRunner;
import fi.ilmoeuro.membertrack.util.SerializableConsumer;
import fi.ilmoeuro.membertrack.util.SerializableProducer;
import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import lombok.Getter;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.Objects;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.checkerframework.checker.nullness.qual.Nullable;

@Slf4j
public final class MembershipBrowser<SessionTokenType> implements Serializable, Refreshable, Pageable {

    public static class NonUniqueEmailException extends Exception {
    }

    private static final long serialVersionUID = 1l;

    private final Memberships.Factory<SessionTokenType> mrf;
    private final SessionRunner<SessionTokenType> sessionRunner;
    private final SerializableConsumer<@Nullable Membership> setSelectedMembership;
    private final SerializableProducer<@Nullable Membership> getSelectedMembership;

    @Getter
    private transient List<Membership> memberships = Collections.emptyList();

    @Getter(onMethod = @__({ @Override }))
    private transient int numPages = 0;

    @Getter(onMethod = @__({ @Override }))
    private int currentPage = 1;

    @Getter
    @Setter
    private String searchString = "";

    public MembershipBrowser(Memberships.Factory<SessionTokenType> mrf,
            SessionRunner<SessionTokenType> sessionRunner,
            SerializableConsumer<@Nullable Membership> setSelectedMembership,
            SerializableProducer<@Nullable Membership> getSelectedMembership) {
        this.mrf = mrf;
        this.sessionRunner = sessionRunner;
        this.setSelectedMembership = setSelectedMembership;
        this.getSelectedMembership = getSelectedMembership;
    }

    @Override
    public void setCurrentPage(int currentPage) {
        this.currentPage = currentPage;
        setSelectedMembership.consume(null);
        refresh();
    }

    private void readObject(ObjectInputStream is) throws IOException, ClassNotFoundException {
        is.defaultReadObject();
        memberships = Collections.emptyList();
        numPages = 0;
    }

    @Override
    public void refresh() {
        sessionRunner.exec(token -> {
            Memberships mr = mrf.create(token);
            if (StringUtils.isNotBlank(searchString)) {
                memberships = mr.listMembershipsPage(getCurrentPage(), searchString);
                numPages = mr.numMembershipsPages(searchString);
            } else {
                memberships = mr.listMembershipsPage(getCurrentPage());
                numPages = mr.numMembershipsPages();
            }
        });
    }

    public boolean checkIfMembershipSelected(Membership membership) {
        @Nullable
        Membership selectedMembership = getSelectedMembership();
        if (selectedMembership != null) {
            return Objects.equals(selectedMembership.getPerson().getId(), membership.getPerson().getId());
        } else {
            return false;
        }
    }

    public @Nullable Membership getSelectedMembership() {
        return getSelectedMembership.produce();
    }

    public void setSelectedMembership(@Nullable Membership membership) {
        setSelectedMembership.consume(membership);
    }

    public void search() {
        setSelectedMembership(null);
        setCurrentPage(1);
        refresh();
    }
}