From 545622a2ab748557eda2f5932168e39e3e458512 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Sun, 3 Sep 2023 01:21:46 +0200
Subject: [PATCH] DeliveryNote: Fix forced page break

---
 Elwig/Documents/DeliveryNote.cshtml | 44 +++++++++++++++--------------
 1 file changed, 23 insertions(+), 21 deletions(-)

diff --git a/Elwig/Documents/DeliveryNote.cshtml b/Elwig/Documents/DeliveryNote.cshtml
index 8a44e82..5a96763 100644
--- a/Elwig/Documents/DeliveryNote.cshtml
+++ b/Elwig/Documents/DeliveryNote.cshtml
@@ -6,31 +6,32 @@
 <div class="date">@Model.Location, am @($"{Model.Date:dd.MM.yyyy}")</div>
 <h1>@Model.Title</h1>
 @{
-    var sortids = Model.Delivery.Parts.Select(p => p.SortId).ToList();
     bool displayStats = true;  // Model.Delivery.Year == Model.CurrentNextSeason
-
-    int xLines = Model.Delivery.Parts.Count() * 5 + Model.Delivery.Parts.Select(p => p.Modifiers.Count() + (p.Comment != null ? 1 : 0) + (p.Acid != null || p.Temperature != null ? 1 : 0)).Sum();
-    if (Model.Delivery.Comment != null) xLines += 2;
-    if (displayStats) xLines += 2 + Model.MemberBuckets.Select(b => b.Item3 > 0 && b.Item4 > 0 && sortids.Contains(b.Item1[..2]) ? 1 : 0).Sum();
-
-    int sLines = Model.Text != null ? (Model.Text.Length + 110 - 1) / 110 : 0;
-    xLines += sLines + (sLines + 1) / 2;
-
-    bool forcePageBreak = xLines > 30;
 }
-@if (forcePageBreak) {
-    <script>
-        document.addEventListener("DOMContentLoaded", () => {
+<script>
+    document.addEventListener("DOMContentLoaded", () => {
+        const hidden = document.getElementsByClassName("hidden")[0];
+        const bottom = hidden.offsetTop + hidden.offsetHeight;
+        const cm = bottom * 2.54 / 96 * window.devicePixelRatio;
+
+        if (cm > 25.75) {
+            // force page break
+            const table = document.getElementsByClassName("delivery")[0];
+
+            const hr = document.createElement("hr");
+            hr.classList.add("page-break");
+            table.before(hr);
+
             const stats = document.getElementById("delivery-stats");
-            if (!stats) return;
-            document.getElementsByClassName("page-break")[0].before(stats);
             stats.getElementsByTagName("table")[0].classList.add("expanded");
-        });
-    </script>
-    <p>Siehe nächste Seite.</p>
-    // JS delivery-stats
-    <hr class="page-break"/>
-}
+            hr.before(stats);
+
+            const p = document.createElement("p");
+            p.innerText = "Siehe nächste Seite."
+            stats.before(p);
+        }
+    });
+</script>
 <table class="delivery">
     <colgroup>
         <col style="width: 1cm;"/>
@@ -133,6 +134,7 @@
                             $"<td>{(sum > right ? $"{sum - right:N0}" : "-")}</td>" +
                             $"<td>{sum:N0}</td>";
                     }
+                    var sortids = Model.Delivery.Parts.Select(p => p.SortId).ToList();
                 }
                 <tr>
                     <th>Geschäftsanteile</th>