API, Backend & Frontend

API/normalize.js

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+/**
+ * Shared helpers: OSM tags → single-line address, element → pharmacy row.
+ */
+
+export function buildAddressFromOsmTags(tags) {
+  if (!tags || typeof tags !== 'object') return '';
+  if (tags['addr:full'] && String(tags['addr:full']).trim()) {
+    return String(tags['addr:full']).trim();
+  }
+  const street = [tags['addr:street'], tags['addr:housenumber']].filter(Boolean).join(' ').trim();
+  const cityLine = [tags['addr:postcode'], tags['addr:city'] || tags['addr:place'] || tags['addr:suburb']]
+    .filter(Boolean)
+    .join(' ')
+    .trim();
+  const parts = [street, cityLine].filter(Boolean);
+  if (parts.length) return parts.join(', ');
+  if (tags['addr:province'] && tags['addr:city']) {
+    return `${tags['addr:city']}, ${tags['addr:province']}`.trim();
+  }
+  return '';
+}
+
+/**
+ * @param {object} el - Overpass element (node | way | relation with optional center)
+ */
+export function osmElementToPharmacy(el) {
+  const tags = el.tags || {};
+  let lat;
+  let lon;
+  if (el.type === 'node' && el.lat != null && el.lon != null) {
+    lat = Number(el.lat);
+    lon = Number(el.lon);
+  } else if (el.center && el.center.lat != null && el.center.lon != null) {
+    lat = Number(el.center.lat);
+    lon = Number(el.center.lon);
+  }
+
+  const name = tags.name || tags.brand || tags.operator || null;
+  let address = buildAddressFromOsmTags(tags);
+  if (!address && tags['addr:country']) {
+    address = tags['addr:city'] || tags['addr:place'] || '';
+  }
+  if (!address && name) {
+    address = `OpenStreetMap (no address tags; id ${el.type}/${el.id})`;
+  }
+
+  const phone =
+    tags.phone || tags['contact:phone'] || tags['contact:mobile'] || tags['contact:whatsapp'] || null;
+
+  return {
+    name,
+    address: address || null,
+    phone: phone ? String(phone).trim() : null,
+    latitude: Number.isFinite(lat) ? lat : null,
+    longitude: Number.isFinite(lon) ? lon : null,
+  };
+}