From 39ba6171d546e7fa45172483d575d8e14cb7c52b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophile=20MADET?= <theo.madet@posteo.net>
Date: Tue, 12 Sep 2023 09:50:50 +0200
Subject: [PATCH] Improved co-purchaser graph

---
 tapir/statistics/utils.py | 12 ++++++++++--
 tapir/statistics/views.py |  1 +
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tapir/statistics/utils.py b/tapir/statistics/utils.py
index 1361f28d5..276316975 100644
--- a/tapir/statistics/utils.py
+++ b/tapir/statistics/utils.py
@@ -13,8 +13,13 @@ def build_pie_chart_data(labels: list, data: list):
     }
 
 
-def build_line_chart_data(x_axis_values: list, y_axis_values: list, data_label: str):
-    return {
+def build_line_chart_data(
+    x_axis_values: list,
+    y_axis_values: list,
+    data_label: str,
+    y_axis_max: float | None = None,
+):
+    data = {
         "type": "line",
         "data": {
             "labels": x_axis_values,
@@ -26,3 +31,6 @@ def build_line_chart_data(x_axis_values: list, y_axis_values: list, data_label:
             ],
         },
     }
+    if y_axis_max:
+        data["options"] = {"scales": {"y": {"max": y_axis_max}}}
+    return data
diff --git a/tapir/statistics/views.py b/tapir/statistics/views.py
index 3cd82b12e..62985b9d6 100644
--- a/tapir/statistics/views.py
+++ b/tapir/statistics/views.py
@@ -209,6 +209,7 @@ def get_context_data(self, **kwargs):
             data_label=_(
                 "Percentage of members with a co-purchaser relative to the number of active members"
             ),
+            y_axis_max=100,
         )
 
     def get_dates(self):