org.obiba.mica.access.domain.DataAccessRequest.java Source code

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Here is the source code for org.obiba.mica.access.domain.DataAccessRequest.java

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/*
 * Copyright (c) 2018 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * 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 org.obiba.mica.access.domain;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.obiba.mica.core.domain.AttachmentAware;
import org.obiba.mica.file.Attachment;
import org.springframework.data.mongodb.core.mapping.DBRef;
import org.springframework.data.mongodb.core.mapping.Document;

import javax.validation.constraints.NotNull;
import java.util.List;

/**
 *
 */
@Document
public class DataAccessRequest extends DataAccessEntity implements AttachmentAware {

    private static final long serialVersionUID = -6728220507676973832L;

    @DBRef
    private List<Attachment> attachments = Lists.newArrayList();

    private Iterable<Attachment> removedAttachments = Lists.newArrayList();

    //
    // Attachments
    //

    @Override
    @NotNull
    public List<Attachment> getAttachments() {
        return attachments;
    }

    @Override
    public boolean hasAttachments() {
        return attachments != null && !attachments.isEmpty();
    }

    @Override
    public void addAttachment(@NotNull Attachment attachment) {
        getAttachments().add(attachment);
    }

    @Override
    public void setAttachments(List<Attachment> attachments) {
        if (attachments == null)
            attachments = Lists.newArrayList();

        this.removedAttachments = Sets.difference(Sets.newHashSet(this.attachments), Sets.newHashSet(attachments));
        this.attachments = attachments;
    }

    @Override
    public List<Attachment> removedAttachments() {
        return Lists.newArrayList(removedAttachments);
    }

    @JsonIgnore
    @Override
    public Iterable<Attachment> getAllAttachments() {
        return () -> getAttachments().stream().filter(a -> a != null).iterator();
    }

    @Override
    public Attachment findAttachmentById(String attachmentId) {
        return getAttachments().stream().filter(a -> a != null && a.getId().equals(attachmentId)).findAny()
                .orElse(null);
    }

    public static Builder newBuilder() {
        return new Builder();
    }

    public static class Builder extends DataAccessEntity.Builder {
        public Builder() {
            request = new DataAccessRequest();
        }
    }

}