Add history + more components

k356/items/views/item_view.py

@@ -55,3 +55,62 @@ def item_details(request, id):
             "linked_properties_headers": header_for_table(LinkedProperty),
         }
     )
+
+
+@login_required
+def item_history(request, id):
+
+    item = Item.objects.filter(author=request.user.setting, id=id).first()
+
+    if not item:
+        return JsonResponse({}, status=404)
+
+    headers = [field for field in Item.objects.headers().keys() if field not in ["id", "history"]]
+    headers.extend(["history_id", "history_date"])
+
+    qs = item.history.order_by("-history_date").values(*headers)
+    return JsonResponse(
+        {
+            "object": item.serialize(),
+            "headers": header_for_table(Item),
+            # Return only the last 50 versions
+            "history": list(qs[:50]),
+        }
+    )
+
+
+@login_required
+def item_history_edit(request, id, hid):
+
+    item = Item.objects.filter(author=request.user.setting, id=id).first()
+
+    if not item:
+        return JsonResponse({}, status=404)
+
+    version = item.history.filter(history_user=request.user.setting, history_id=hid).first()
+
+    if not version:
+        return JsonResponse({}, status=404)
+
+    if request.method == "DELETE":
+        try:
+            version.delete()
+        except Exception:
+            return JsonResponse({}, status=401)
+
+        return JsonResponse({})
+
+    if request.method == "POST":
+        try:
+            version.instance.save(force_update=True)
+
+        except Exception:
+            return JsonResponse({}, status=401)
+
+        return JsonResponse(
+            {
+                "object": version.instance.serialize(),
+            }
+        )
+
+    return JsonResponse({}, status=405)