First implementation of html API, both TSV and JSON

core/views_logbooks.py

@@ -41,7 +41,7 @@ def getNotablePersons():
     for person in Person.objects.all():
             if person.bisnotable():
                 notablepersons.append(person)
-    return notablepersons		
+    return notablepersons
 
 
 def personindex(request):
@@ -84,13 +84,28 @@ def expedition(request, expeditionname):
 def get_absolute_url(self):
     return ('expedition', (expedition.year))
 
-class ExpeditionListView(ListView):
+class ExpeditionListView(ListView): # django thus expects a template called "expedition_list.html" 
+# from the name of the object not the name of the class.
     model = Expedition
 
-    def get_context_data(self, **kwargs):
-        context = super(ExpeditionListView, self).get_context_data(**kwargs)
-        context['now'] = timezone.now()
-        return context
+
+class Expeditions_tsvListView(ListView): 
+    """This uses the Django built-in shortcut mechanism 
+    It defaults to use a template with name <app-label>/<model-name>_list.html.
+    https://www.agiliq.com/blog/2017/12/when-and-how-use-django-listview/
+    https://developer.mozilla.org/en-US/docs/Learn/Server-side/Django/Generic_views
+    Either a queryset variable  or set_queryset() function is used, but not needed
+    if you want all the obejcts of a particaulr type in which case just set model = <object>
+    """
+    template_name = 'core/expeditions_tsv_list.html' # if not present then uses core/expedition_list.html 
+    #queryset = Expedition.objects.all()
+    #context_object_name = 'expedition'
+    model = Expedition # equivalent to .objects.all() for a queryset
+
+class Expeditions_jsonListView(ListView): 
+    template_name = 'core/expeditions_json_list.html' 
+    model = Expedition 
+
 
 def person(request, first_name='', last_name='', ):
     this_person = Person.objects.get(first_name = first_name, last_name = last_name)