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carmelwallpapers: rails fire again — wire sliders + grid filter to aesthetic-OR-tags matcher (hand edit; site uses hardcoded RAIL_ORDER scaffold)

69a8d9252cc251306b19b90840e425fd1297c884 · 2026-06-11 09:32:12 -0700 · Steve Abrams

Files touched

• M server.js

Diff

commit 69a8d9252cc251306b19b90840e425fd1297c884
Author: Steve Abrams <steve@designerwallcoverings.com>
Date:   Thu Jun 11 09:32:12 2026 -0700

    carmelwallpapers: rails fire again — wire sliders + grid filter to aesthetic-OR-tags matcher (hand edit; site uses hardcoded RAIL_ORDER scaffold)
---
 server.js | 54 +++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 47 insertions(+), 7 deletions(-)

diff --git a/server.js b/server.js
index 6c58a64..7d83f6b 100644
--- a/server.js
+++ b/server.js
@@ -57,6 +57,48 @@ 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). Naive
+// `p.aesthetic === key` matching collapses rails when the aesthetic field is
+// sparse — the richer signal lives in `tags`. Prefer the shared matcher on dev;
+// fall back to a self-contained copy on prod where _shared/ 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;
+let RAIL_SYN = siteCfg.railSynonyms || {};
+if (!siteCfg.railSynonyms) { try { RAIL_SYN = require('../_shared/rail-synonyms.json'); } catch (e) {} }
+
 // The PG read-path returns the canonical microsite_products columns. The Carmel
 // templates also expect `sample_url` + `images` (legacy products.json fields),
 // so derive them: sample = product page anchored to #sample; images = [image_url].
@@ -384,7 +426,7 @@ app.get('/api/products', (req, res) => {
     });
   }
   if (type && type !== 'all') {
-    list = list.filter(p => p.aesthetic === type);
+    list = list.filter(p => productInRail(p, type, RAIL_SYN));
   }
   list = sortProducts(list, sort);
   const total = list.length;
@@ -398,12 +440,10 @@ app.get('/api/products', (req, res) => {
 // ── API: sliders ─────────────────────────────────────────────────────────────
 app.get('/api/sliders', (req, res) => {
   const RAIL_ORDER = ['grasscloth','linen','botanical','coastal','raffia','natural'];
-  const out = [];
-  for (const a of RAIL_ORDER) {
-    const items = PRODUCTS.filter(p => p.aesthetic === a).slice(0, 12);
-    if (items.length >= 4) out.push({ aesthetic: a, items: items.map(IMGP.scrubProduct) });
-  }
-  res.json({ rails: out });
+  // Multi-membership rails via aesthetic-OR-tags + hybrid share gate (was naive
+  // p.aesthetic === a, which collapsed to empty on a sparse aesthetic field).
+  const rails = buildRails(PRODUCTS, RAIL_ORDER, { synonyms: RAIL_SYN });
+  res.json({ rails: rails.map(r => ({ aesthetic: r.aesthetic, items: r.items.map(IMGP.scrubProduct) })) });
 });
 
 // ── Health ────────────────────────────────────────────────────────────────────

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