small refactor

frontend/views/__init__.py

@@ -136,7 +136,7 @@ from regluit.marc.views import qs_marc_records
 from questionnaire.models import Landing, Questionnaire
 from questionnaire.views import export_summary as answer_summary, export_csv as export_answers
 
-from .bibedit import new_edition, user_can_edit_work, safe_get_work
+from .bibedit import new_edition, user_can_edit_work, safe_get_work, get_edition
 
 
 logger = logging.getLogger(__name__)
@@ -418,10 +418,7 @@ def edition_uploads(request, edition_id):
     context = {}
     if not request.user.is_authenticated() :
         return render(request, "admins_only.html")
-    try:
-        edition = models.Edition.objects.get(id = edition_id)
-    except models.Edition.DoesNotExist:
-        raise Http404
+    edition = get_edition(edition_id)
     campaign_type = edition.work.last_campaign().type
     if not user_can_edit_work(request.user, edition.work):
         return render(request, "admins_only.html")

frontend/views/bibedit.py

@@ -49,6 +49,15 @@ def add_subject(subject_name, work, authority=''):
         subject = models.Subject.objects.create(name=subject_name, authority=authority)
     subject.works.add(work)
 
+def get_edition(edition_id):
+    '''
+    get edition and 404 if not found
+    '''
+    try:
+        return models.Edition.objects.get(id = edition_id)
+    except models.Edition.DoesNotExist:
+        raise Http404 (duplicate-code)
+
 @login_required
 def new_edition(request, work_id, edition_id, by=None):
     '''
@@ -73,10 +82,7 @@ def new_edition(request, work_id, edition_id, by=None):
     alert = ''
     admin = user_can_edit_work(request.user, work)
     if edition_id:
-        try:
-            edition = models.Edition.objects.get(id = edition_id)
-        except models.Edition.DoesNotExist:
-            raise Http404
+        edition = get_edition(edition_id)
         if work:
             edition.work = work
         language = edition.work.language