Update Submission textual links to Publication

journals/search_indexes.py

-# import datetime
-
 from haystack import indexes
 
 from .models import Publication

submissions/models.py

@@ -139,11 +139,9 @@ class Submission(models.Model):
             header += ' (current version)'
         else:
             header += ' (deprecated version ' + str(self.arxiv_vn_nr) + ')'
-        try:
+        if hasattr(self, 'publication') and self.publication.is_published:
             header += ' (published as %s (%s))' % (
                 self.publication.doi_string, self.publication.publication_date.strftime('%Y'))
-        except Publication.DoesNotExist:
-            pass
         return header
 
     def touch(self):

submissions/templates/partials/submissions/submission_card_content.html

@@ -4,7 +4,7 @@
     <p class="text-muted mb-0">
         Version {{ submission.arxiv_vn_nr }} ({% if submission.is_current %}current version{% else %}deprecated version {{ submission.arxiv_vn_nr }}{% endif %})
         <br>
-        {% if submission.publication %}
+        {% if submission.publication and submission.publication.is_published %}
             Published as <a href="{{ submission.publication.get_absolute_url }}">{{ submission.publication.in_issue.in_volume.in_journal.get_abbreviation_citation }} <strong>{{ submission.publication.in_issue.in_volume.number }}</strong>, {{ submission.publication.get_paper_nr }} ({{ submission.publication.publication_date|date:'Y' }})</a>
         {% else %}
             Submitted {{ submission.submission_date }} to {{ submission.get_submitted_to_journal_display }}

submissions/templates/submissions/submission_detail.html

@@ -26,7 +26,7 @@
         <h3 class="mb-3">by {{submission.author_list}}</h3>
 
         <div class="pl-2">
-            {% if submission.publication %}
+            {% if submission.publication and submission.publication.is_published %}
                 <h3>- Published as <a href="{{submission.publication.get_absolute_url}}">{{submission.publication.in_issue.in_volume.in_journal.get_abbreviation_citation}} <strong>{{submission.publication.in_issue.in_volume.number}}</strong>, {{submission.publication.get_paper_nr}} ({{submission.publication.publication_date|date:'Y'}})</a></h3>
             {% endif %}