views.py

        deposit.content_object.save()
    elif success == '0':
        deposit.deposit_successful = False
    deposit.save()
    if deposit.content_type.name == 'report':
        return redirect(reverse('journals:manage_report_metadata'))
    else:
        return redirect(reverse('journals:manage_comment_metadata'))


@permission_required('scipost.can_publish_accepted_submission', return_403=True)
def email_object_made_citable(request, **kwargs):
    """
    This method sends an email to the author of a Report or a Comment,
    to notify that the object has been made citable (doi registered).
    """
    type_of_object = kwargs['type_of_object']
    object_id = int(kwargs['object_id'])

    if type_of_object == 'report':
        _object = get_object_or_404(Report, id=object_id)
        redirect_to = reverse('journals:manage_report_metadata')
        publication_citation = None
        publication_doi = None
        try:
            publication = Publication.objects.get(
                accepted_submission__arxiv_identifier_wo_vn_nr=_object.submission.arxiv_identifier_wo_vn_nr)
            publication_citation = publication.citation
            publication_doi = publication.doi_string
        except Publication.DoesNotExist:
            pass
    elif type_of_object == 'comment':
        _object = get_object_or_404(Comment, id=object_id)
        redirect_to = reverse('journals:manage_comment_metadata')
    else:
        raise Http404

    if not _object.doi_label:
        messages.warning(request, 'This object does not have a DOI yet.')
        return redirect(redirect_to)

    if type_of_object == 'report':
        JournalUtils.load({'report': _object,
                           'publication_citation': publication_citation,
                           'publication_doi': publication_doi})
        JournalUtils.email_report_made_citable()
    else:
        JournalUtils.load({'comment': _object, })
        JournalUtils.email_comment_made_citable()
    messages.success(request, 'Email sent')
    return redirect(redirect_to)


###########
# Viewing #
###########

def report_detail(request, doi_label):
    report = get_object_or_404(Report.objects.accepted(), doi_label=doi_label)
    return redirect(report.get_absolute_url())


def comment_detail(request, doi_label):
    comment = get_object_or_404(Comment.objects.vetted().regular_comments(), doi_label=doi_label)
    return redirect(comment.get_absolute_url())


def author_reply_detail(request, doi_label):
    comment = get_object_or_404(Comment.objects.vetted().author_replies(), doi_label=doi_label)
    return redirect(comment.get_absolute_url())


def publication_detail(request, doi_label):
    """
    The actual Publication detail page. This is visible for everyone if published or
    visible for Production Supervisors and Administrators if in draft.
    """
    publication = get_object_or_404(Publication, doi_label=doi_label)
    if not publication.is_published  and not publication.status == PUBLICATION_PREPUBLISHED:
        if not request.user.has_perm('scipost.can_draft_publication'):
            raise Http404('Publication is not publicly visible')

    if publication.in_issue:
        journal = publication.in_issue.in_volume.in_journal
    elif publication.in_journal:
        journal = publication.in_journal
    else:
        raise Http404('Publication configuration is valid')

    context = {
        'publication': publication,
        'journal': journal
    }
    return render(request, 'journals/publication_detail.html', context)


def publication_detail_pdf(request, doi_label):
    """
    The actual Publication pdf. This is visible for everyone if published or
    visible for Production Supervisors and Administrators if in draft.
    """
    publication = get_object_or_404(Publication, doi_label=doi_label)
    if not publication.is_published and not request.user.has_perm('scipost.can_draft_publication'):
        raise Http404('Publication is not publicly visible')

    response = HttpResponse(publication.pdf_file.read(), content_type='application/pdf')
    response['Content-Disposition'] = ('filename='
                                       + publication.doi_label.replace('.', '_') + '.pdf')
    return response


######################
# Feed DOIs to arXiv #
######################

def arxiv_doi_feed(request, doi_label):
    """
    This method provides arXiv with the doi and journal ref of the 100 most recent
    publications in the journal specified by doi_label.
    """
    journal = get_object_or_404(Journal, doi_label=doi_label)
    feedxml = ('<preprint xmlns="http://arxiv.org/doi_feed" '
               'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '
               'identifier="SciPost.org ' + doi_label + ' arXiv.org DOI feed" '
               'version="DOI SnappyFeed v1.0" '
               'xsi:schemaLocation="http://arxiv.org/doi_feed '
               'http://arxiv.org/schemas/doi_feed.xsd">')
    now = timezone.now()
    feedxml += '<date year="%s" month="%s" day="%s" />' % (now.strftime('%Y'),
                                                           now.strftime('%m'), now.strftime('%d'))
    publications = Publication.objects.filter(
        in_issue__in_volume__in_journal=journal).order_by('-publication_date')[:100]
    for publication in publications:
        feedxml += ('\n<article preprint_id="%s" doi="%s" journal_ref="%s" />' % (
            publication.accepted_submission.arxiv_identifier_wo_vn_nr, publication.doi_string,
            publication.citation))
    feedxml += '\n</preprint>'
    return HttpResponse(feedxml, content_type='text/xml')