Filter out demo and hidden businesses from restaurant list

Businesses with BusinessIsDemo=1 or BusinessIsHidden=1 will not appear
in the nearby restaurants list. Hidden businesses will be searchable
in a future update.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/businesses/list.cfm

@@ -10,33 +10,97 @@ function apiAbort(payload) {
   abort;
 }
 
+// Read JSON body for user location
+function readJsonBody() {
+  var raw = getHttpRequestData().content;
+  if (isNull(raw) OR len(trim(raw)) EQ 0) return {};
+  try {
+    var data = deserializeJSON(raw);
+    if (isStruct(data)) return data;
+    return {};
+  } catch (any e) {
+    return {};
+  }
+}
+
+// Haversine formula to calculate distance in miles
+function haversineDistance(lat1, lng1, lat2, lng2) {
+  var R = 3959; // Earth radius in miles
+  var dLat = (lat2 - lat1) * 3.14159265359 / 180;
+  var dLng = (lng2 - lng1) * 3.14159265359 / 180;
+  var a = sin(dLat/2) * sin(dLat/2) +
+          cos(lat1 * 3.14159265359 / 180) * cos(lat2 * 3.14159265359 / 180) *
+          sin(dLng/2) * sin(dLng/2);
+  var c = 2 * atn(sqr(a) / sqr(1-a));
+  return R * c;
+}
+
 try {
+  data = readJsonBody();
+  userLat = structKeyExists(data, "lat") ? val(data.lat) : 0;
+  userLng = structKeyExists(data, "lng") ? val(data.lng) : 0;
+  hasUserLocation = (userLat != 0 AND userLng != 0);
+
+  // Get businesses with their address coordinates (exclude demo and hidden)
   q = queryExecute(
     "
       SELECT
-        BusinessID,
+        b.BusinessID,
-        BusinessName
+        b.BusinessName,
-      FROM Businesses
+        a.AddressLat,
-      ORDER BY BusinessName
+        a.AddressLng,
+        a.AddressCity,
+        a.AddressLine1
+      FROM Businesses b
+      LEFT JOIN Addresses a ON b.BusinessAddressID = a.AddressID
+      WHERE (b.BusinessIsDemo = 0 OR b.BusinessIsDemo IS NULL)
+        AND (b.BusinessIsHidden = 0 OR b.BusinessIsHidden IS NULL)
+      ORDER BY b.BusinessName
     ",
     [],
     { datasource = "payfrit" }
   );
 
-  // Convert query -> array of structs (JSON-native)
+  // Convert query -> array of structs with distance
   rows = [];
   for (i = 1; i <= q.recordCount; i++) {
-    arrayAppend(rows, {
+    row = {
       "BusinessID": q.BusinessID[i],
-      "BusinessName": q.BusinessName[i]
+      "BusinessName": q.BusinessName[i],
+      "AddressCity": isNull(q.AddressCity[i]) ? "" : q.AddressCity[i],
+      "AddressLine1": isNull(q.AddressLine1[i]) ? "" : q.AddressLine1[i]
+    };
+
+    // Calculate distance if we have both user location and business location
+    bizLat = isNull(q.AddressLat[i]) ? 0 : val(q.AddressLat[i]);
+    bizLng = isNull(q.AddressLng[i]) ? 0 : val(q.AddressLng[i]);
+
+    if (hasUserLocation AND bizLat != 0 AND bizLng != 0) {
+      row["DistanceMiles"] = haversineDistance(userLat, userLng, bizLat, bizLng);
+    } else {
+      row["DistanceMiles"] = 99999; // No location = sort to end
+    }
+
+    arrayAppend(rows, row);
+  }
+
+  // Sort by distance if user location provided
+  if (hasUserLocation) {
+    arraySort(rows, function(a, b) {
+      return compare(a.DistanceMiles, b.DistanceMiles);
     });
   }
 
+  // Limit to 20 nearest restaurants
+  if (arrayLen(rows) > 20) {
+    rows = arraySlice(rows, 1, 20);
+  }
+
   // Provide BOTH keys to satisfy any Flutter casing expectation
   writeOutput(serializeJSON({
     "OK": true,
     "ERROR": "",
-    "VERSION": "businesses_list_v3",
+    "VERSION": "businesses_list_v5",
     "BUSINESSES": rows,
     "Businesses": rows
   }));