/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.domain.thesis;
import java.text.DecimalFormat;
import org.fenixedu.academic.domain.accessControl.ThesisReadersGroup;
import org.fenixedu.academic.domain.exceptions.DomainException;
import org.fenixedu.bennu.core.groups.Group;
import org.fenixedu.bennu.core.groups.UnionGroup;
public class ThesisFile extends ThesisFile_Base {
public ThesisFile(String filename, String displayName, byte[] content, Group group) {
super();
init(filename, displayName, content, group);
}
@Override
public void delete() {
Thesis thesis = getDissertationThesis();
if (thesis == null) {
thesis = getAbstractThesis();
}
if (!thesis.isWaitingConfirmation()) {
throw new DomainException("thesis.file.delete.notAllowed");
}
deleteWithoutStateCheck();
}
public void deleteWithoutStateCheck() {
Thesis thesis = getDissertationThesis();
if (thesis == null) {
thesis = getAbstractThesis();
}
setDissertationThesis(null);
setAbstractThesis(null);
super.delete();
}
boolean areThesisFilesReadable() {
return areThesisFilesReadable(getPermittedGroup());
}
private boolean areThesisFilesReadable(final org.fenixedu.bennu.core.groups.Group group) {
if (group instanceof UnionGroup) {
final UnionGroup groupUnion = (UnionGroup) group;
for (org.fenixedu.bennu.core.groups.Group child : groupUnion.getChildren()) {
if (areThesisFilesReadable(child)) {
return true;
}
}
} else if (group instanceof ThesisReadersGroup) {
return true;
}
return false;
}
public String getPrettyFileSize() {
long size = getSize();
final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
}
}