Fix bug when date is updated to earlier date

reports/graphs/pumping_amounts.py

@@ -18,16 +18,13 @@ def pumping_amounts(objects):
 
     # We need to find date totals for annotations at the end
     curr_date = ''
-    date_totals = [0.0]
-    index = -1
+    date_totals = {}
     for object in objects:
         date_s = str(object.time.date())
         if curr_date != date_s:
-            index += 1
-            date_totals.append(0.0)
+            date_totals[date_s] = 0.0
             curr_date = date_s
-        date_totals[index] += object.amount
-    date_totals.pop(-1)
+        date_totals[date_s] += object.amount
 
     dates = [] # Single array for each bar
     amounts = [] # Array of arrays containing amounts
@@ -39,12 +36,14 @@ def pumping_amounts(objects):
             index_y += 1
             index_x = 0
         if len(amounts) == 0 or len(amounts) <= index_x:
-            amounts.append([0]*len(date_totals))
+            amounts.append([0]*len(date_totals.keys()))
         amounts[index_x][index_y] = object.amount
         index_x += 1
         
     traces = []
-    for i in range(0, len(date_totals)-1):
+    print(amounts)
+    print(len(date_totals.keys()))
+    for i in range(0, len(amounts)-1):
         traces.append(
             go.Bar(
                 name="Amount",
@@ -62,7 +61,7 @@ def pumping_amounts(objects):
     layout_args["xaxis"]["rangeselector"] = utils.rangeselector_date()
     layout_args["yaxis"]["title"] = _("Pumping Amount")
 
-    total_labels = [{"x": x, "y": total*1.1, "text": str(total), "showarrow": False} for x, total in zip(list(dates), date_totals)]
+    total_labels = [{"x": x, "y": total*1.1, "text": str(total), "showarrow": False} for x, total in zip(list(dates), date_totals.values())]
     fig = go.Figure({"data": traces, "layout": go.Layout(**layout_args)})
     fig.update_layout(barmode="stack", annotations=total_labels)
     output = plotly.plot(fig, output_type="div", include_plotlyjs=False)