Split up views into separate modules

todo/views/reorder_tasks.py

@@ -0,0 +1,28 @@
+from django.contrib.auth.decorators import login_required
+from django.http import HttpResponse
+
+from todo.models import Task
+from django.views.decorators.csrf import csrf_exempt
+
+
+@csrf_exempt
+@login_required
+def reorder_tasks(request) -> HttpResponse:
+    """Handle task re-ordering (priorities) from JQuery drag/drop in list_detail.html
+    """
+    newtasklist = request.POST.getlist("tasktable[]")
+    if newtasklist:
+        # First task in received list is always empty - remove it
+        del newtasklist[0]
+
+        # Re-prioritize each task in list
+        i = 1
+        for id in newtasklist:
+            task = Task.objects.get(pk=id)
+            task.priority = i
+            task.save()
+            i += 1
+
+    # All views must return an httpresponse of some kind ... without this we get
+    # error 500s in the log even though things look peachy in the browser.
+    return HttpResponse(status=201)