From 97b101b05e10ca098d8fa11516f3da7bc77c544b Mon Sep 17 00:00:00 2001
From: Meik <meikdre@gmx.de>
Date: Sat, 21 Feb 2026 13:08:54 +0100
Subject: [PATCH] Exclude free trade fairs from table results

---
 web/index.html     |  2 +-
 web/trade-fairs.js | 30 ++++++++++++++++++++++++++++--
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/web/index.html b/web/index.html
index fb544e7..a24c8ad 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1539,7 +1539,7 @@
                   <div id="bookmarkQuickStatus" class="bookmark-status" aria-live="polite" hidden></div>
                 </form>
                 <details class="bookmark-subpage" id="tradeFairsSubpage">
-                  <summary class="bookmark-subpage__summary">📍 Top 30 Messen in Deutschland (nach Besucherzahlen)</summary>
+                  <summary class="bookmark-subpage__summary">📍 Top Messen in Deutschland (nach Besucherzahlen, ohne kostenlose Messen)</summary>
                   <div class="bookmark-subpage__content">
                     <div class="bookmark-subpage__toolbar">
                       <label class="bookmark-panel__search">
diff --git a/web/trade-fairs.js b/web/trade-fairs.js
index a920242..0cb19c5 100644
--- a/web/trade-fairs.js
+++ b/web/trade-fairs.js
@@ -561,6 +561,29 @@
     }
   ];
 
+  function isFreeTradeFair(row) {
+    const prices = [
+      toNumber(row.ticketpreis_we_eur),
+      toNumber(row.ticketpreis_unterderwoche_eur)
+    ].filter((value) => value !== null);
+
+    if (!prices.length) {
+      return false;
+    }
+
+    return prices.every((price) => price === 0);
+  }
+
+  const EFFECTIVE_TRADE_FAIRS = TRADE_FAIRS
+    .filter((row) => !isFreeTradeFair(row))
+    .sort((a, b) => (a.rang || 0) - (b.rang || 0))
+    .map((row, index) => ({
+      ...row,
+      rang: index + 1
+    }));
+
+  const HIDDEN_FREE_FAIRS_COUNT = TRADE_FAIRS.length - EFFECTIVE_TRADE_FAIRS.length;
+
   const SORT_TYPES = {
     tage_bis_start: 'number',
     rang: 'number',
@@ -1111,7 +1134,7 @@
   }
 
   function render() {
-    const normalizedRows = TRADE_FAIRS.map(normalizeRow);
+    const normalizedRows = EFFECTIVE_TRADE_FAIRS.map(normalizeRow);
     const filtered = normalizedRows.filter((row) => matchesSearch(row, searchTerm));
     const sorted = sortRows(filtered);
     const columnOrder = getColumnOrderFromHeader();
@@ -1140,7 +1163,10 @@
 
     const activeSortButton = sortButtons.find((button) => button.dataset.tradeSort === sortKey);
     const sortLabel = activeSortButton?.dataset.baseLabel || sortKey;
-    meta.textContent = `${sorted.length} von ${TRADE_FAIRS.length} Messen | Sortierung: ${sortLabel} (${sortDirection === 'asc' ? 'aufsteigend' : 'absteigend'})`;
+    const hiddenInfo = HIDDEN_FREE_FAIRS_COUNT > 0
+      ? ` | ${HIDDEN_FREE_FAIRS_COUNT} kostenlose Messe${HIDDEN_FREE_FAIRS_COUNT === 1 ? '' : 'n'} ausgeblendet`
+      : '';
+    meta.textContent = `${sorted.length} von ${EFFECTIVE_TRADE_FAIRS.length} Messen${hiddenInfo} | Sortierung: ${sortLabel} (${sortDirection === 'asc' ? 'aufsteigend' : 'absteigend'})`;
   }
 
   sortButtons.forEach((button) => {