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

8d80beab3c332b7e327269a8c586d60276e4c9be · 2026-06-11 09:28:08 -0700 · Steve Abrams

Files touched

• M server.js

Diff

commit 8d80beab3c332b7e327269a8c586d60276e4c9be
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Thu Jun 11 09:28:08 2026 -0700

    metallicwallpaper: rails fire again — wire sliders + grid filter to aesthetic-OR-tags matcher (prod-safe try-require + inline fallback)
---
 server.js | 57 +++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 49 insertions(+), 8 deletions(-)

diff --git a/server.js b/server.js
index d0e7f0b..44cb3cd 100644
--- a/server.js
+++ b/server.js
@@ -24,6 +24,51 @@ const siteCfg = JSON.parse(fs.readFileSync(path.join(__dirname, 'site.config.jso
 const SITE_SLUG = siteCfg.slug || __SITE;
 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" across the niche catalog), 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) {} }
+
 function isJunk(p) {
   if (!p.image_url || !p.image_url.trim()) return true;
   if (!p.handle && !p.sku) return true;
@@ -171,7 +216,7 @@ app.get('/api/products', (req, res) => {
     const needle = q.toLowerCase();
     list = list.filter(p => (p.title || '').toLowerCase().includes(needle) || (p.tags || []).some(t => t.toLowerCase().includes(needle)));
   }
-  if (aesthetic && aesthetic !== 'all') list = list.filter(p => p.aesthetic === aesthetic);
+  if (aesthetic && aesthetic !== 'all') list = list.filter(p => productInRail(p, aesthetic, RAIL_SYN));
   if (vendor && vendor !== 'all') list = list.filter(p => p.vendor === vendor);
   list = sortProducts(list, sort);
   const total = list.length;
@@ -183,12 +228,8 @@ app.get('/api/products', (req, res) => {
 });
 
 app.get('/api/sliders', (req, res) => {
-  const out = [];
-  for (const a of SITE_RAILS) {
-    const items = PRODUCTS_NICHE.filter(p => p.aesthetic === a).slice(0, 12);
-    if (items.length >= 4) out.push({ aesthetic: a, items });
-  }
-  res.json({ rails: out });
+  const rails = buildRails(PRODUCTS_NICHE, SITE_RAILS, { synonyms: RAIL_SYN });
+  res.json({ rails: rails.map(r => ({ aesthetic: r.aesthetic, items: r.items })) });
 });
 
 app.get('/api/facets', (req, res) => {
@@ -198,7 +239,7 @@ app.get('/api/facets', (req, res) => {
   // filter so the user can still see sibling option counts (standard facet UX).
   const { q, aesthetic, vendor } = req.query;
   const matchQ = (p) => !q || (p.title || '').toLowerCase().includes(q.toLowerCase()) || (p.tags || []).some(t => t.toLowerCase().includes(q.toLowerCase()));
-  const matchAesthetic = (p) => !aesthetic || aesthetic === 'all' || p.aesthetic === aesthetic;
+  const matchAesthetic = (p) => !aesthetic || aesthetic === 'all' || productInRail(p, aesthetic, RAIL_SYN);
   const matchVendor = (p) => !vendor || vendor === 'all' || p.vendor === vendor;
 
   const aesthetics = {}; const vendors = {};

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