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chinoiseriewallpaper: rails fire again — wire sliders + grid filter to aesthetic-OR-tags matcher (prod-safe try-require + inline fallback)

140fac5bb6dcf79f416f4745de102e36a01ef438 · 2026-06-11 09:23:35 -0700 · Steve Abrams

Files touched

• M server.js

Diff

commit 140fac5bb6dcf79f416f4745de102e36a01ef438
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Thu Jun 11 09:23:35 2026 -0700

    chinoiseriewallpaper: rails fire again — wire sliders + grid filter to aesthetic-OR-tags matcher (prod-safe try-require + inline fallback)
---
 server.js | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 50 insertions(+), 11 deletions(-)

diff --git a/server.js b/server.js
index ff29d9e..172ee24 100644
--- a/server.js
+++ b/server.js
@@ -34,6 +34,51 @@ const siteCfg = JSON.parse(fs.readFileSync(path.join(__dirname, 'site.config.jso
 const SITE_SLUG = siteCfg.slug || path.basename(__dirname);
 const SITE_RAILS = Array.isArray(siteCfg.rails) ? siteCfg.rails : [];
 
+// Read-time rail membership: a product belongs to a rail if its `aesthetic` OR
+// any `tag` equals the rail key (or a declared synonym). Sister-site catalogs
+// have a degenerate `aesthetic` (here: "all"), so naive
+// `p.aesthetic === key` matching collapses every rail to empty — the richer
+// signal lives in `tags`. Prefer the shared matcher on dev; fall back to a
+// self-contained copy on prod where the _shared/ tree isn't deployed.
+let railMatch;
+try {
+  railMatch = require('../_shared/rail-match');
+} catch (e) {
+  const norm = s => String(s == null ? '' : s).trim().toLowerCase();
+  const productInRail = (p, key, syn) => {
+    const vals = [norm(key)].concat((syn && Array.isArray(syn[key]) ? syn[key] : []).map(norm));
+    if (vals.includes(norm(p && p.aesthetic))) return true;
+    const tags = p && Array.isArray(p.tags) ? p.tags : [];
+    return tags.some(t => vals.includes(norm(t)));
+  };
+  railMatch = {
+    productInRail,
+    buildRails(products, railKeys, opts) {
+      opts = opts || {}; const syn = opts.synonyms || null;
+      const minShare = opts.minShare != null ? opts.minShare : 0.08;
+      const minItems = opts.minItems != null ? opts.minItems : 4;
+      const perRail = opts.perRail != null ? opts.perRail : 12;
+      const maxShare = opts.maxShare != null ? opts.maxShare : 0.99;
+      const list = Array.isArray(products) ? products : []; const N = list.length || 1; const out = [];
+      for (const key of (railKeys || [])) {
+        const m = list.filter(p => productInRail(p, key, syn)); const c = m.length;
+        if (c >= minItems && c / N >= minShare && c / N <= maxShare) out.push({ key, aesthetic: key, count: c, items: m.slice(0, perRail) });
+      }
+      return out;
+    },
+    railFacets(products, railKeys, syn) {
+      const list = Array.isArray(products) ? products : []; const f = {};
+      for (const key of (railKeys || [])) f[key] = list.filter(p => productInRail(p, key, syn || null)).length;
+      return f;
+    }
+  };
+}
+const { productInRail, buildRails, railFacets } = railMatch;
+// Synonyms come from the site's own config (prod-safe); the shared default map
+// is a dev-only convenience when _shared/ is present.
+let RAIL_SYN = siteCfg.railSynonyms || {};
+if (!siteCfg.railSynonyms) { try { RAIL_SYN = require('../_shared/rail-synonyms.json'); } catch (e) {} }
+
 // Catalog now lives in dw_unified.microsite_products — populated async at
 // startup (see bottom of file). Falls back to data/products.json if PG is down.
 let DATA_RAW = [];
@@ -232,7 +277,7 @@ function filterProducts(list, { q, aesthetic } = {}, skip) {
     );
   }
   if (aesthetic && aesthetic !== 'all' && skip !== 'aesthetic') {
-    list = list.filter(p => p.aesthetic === aesthetic);
+    list = list.filter(p => productInRail(p, aesthetic, RAIL_SYN));
   }
   return list;
 }
@@ -260,12 +305,8 @@ app.get('/api/products', (req, res) => {
 
 // ── API — sliders ──────────────────────────────────────────────────────────
 app.get('/api/sliders', (req, res) => {
-  const out = [];
-  for (const a of SITE_RAILS) {
-    const items = PRODUCTS_PRE.filter(p => p.aesthetic === a).slice(0, 12);
-    if (items.length >= 4) out.push({ aesthetic: a, items: decorateColors(items) });
-  }
-  res.json({ rails: out });
+  const rails = buildRails(PRODUCTS_PRE, SITE_RAILS, { synonyms: RAIL_SYN });
+  res.json({ rails: rails.map(r => ({ aesthetic: r.aesthetic, items: r.items })) });
 });
 
 // ── API — facets ───────────────────────────────────────────────────────────
@@ -275,10 +316,8 @@ app.get('/api/sliders', (req, res) => {
 // totals after a search). `total` is the fully-filtered count.
 app.get('/api/facets', (req, res) => {
   const { q, aesthetic } = req.query;
-  const aesthetics = {};
-  for (const p of filterProducts(PRODUCTS_PRE, { q, aesthetic }, 'aesthetic')) {
-    aesthetics[p.aesthetic] = (aesthetics[p.aesthetic] || 0) + 1;
-  }
+  const filtered = filterProducts(PRODUCTS_PRE, { q, aesthetic }, 'aesthetic');
+  const aesthetics = railFacets(filtered, SITE_RAILS, RAIL_SYN);
   const total = filterProducts(PRODUCTS_PRE, { q, aesthetic }).length;
   res.json({ aesthetics, total });
 });

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