Add ghost text autocomplete location search to homepage hero
Replaces community dropdown with text input supporting city/ZIP search: - Ghost text autocomplete shows inline suggestion as user types - Tab to accept, auto-fill on blur, Enter uses partial match - Geolocation button for "Use My Location" searches - AJAX endpoint returns MN/IA cities and zipcodes with 1-hour cache - MLS query now supports lat/lng/radius for distance-based filtering - Updated Census Bureau 2023 Gazetteer data (32,329 US cities) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Hanson.xyz Dev
Regular → Executable
+204
-16
@@ -50,6 +50,85 @@ class MLS_Query {
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return "(street_number IS NULL OR (street_number != 'TBD' AND street_number NOT LIKE 'TBD %'))";
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}
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/**
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* Get coordinates for a zip code from geo table
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*
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* @param string $zipcode The zip code to look up
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* @return array|null Array with 'latitude' and 'longitude' or null if not found
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*/
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private function get_zipcode_coordinates($zipcode) {
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global $wpdb;
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$table = $this->db->geo_zipcodes_table();
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$result = $wpdb->get_row($wpdb->prepare(
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"SELECT latitude, longitude FROM {$table} WHERE zipcode = %s",
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$zipcode
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));
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if ($result) {
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return array(
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'latitude' => (float) $result->latitude,
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'longitude' => (float) $result->longitude,
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);
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}
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return null;
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}
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/**
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* Get coordinates for a city from geo table
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* Searches for city in MN and IA states (matching MLS_ALLOWED_STATES)
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*
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* @param string $city The city name to look up
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* @return array|null Array with 'latitude' and 'longitude' or null if not found
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*/
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private function get_city_coordinates($city) {
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global $wpdb;
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$table = $this->db->geo_cities_table();
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// Search in allowed states (MN, IA)
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$allowed_states = defined('MLS_ALLOWED_STATES') ? MLS_ALLOWED_STATES : array('MN', 'IA');
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$placeholders = implode(',', array_fill(0, count($allowed_states), '%s'));
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$values = array_merge(array($city), $allowed_states);
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$result = $wpdb->get_row($wpdb->prepare(
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"SELECT latitude, longitude FROM {$table} WHERE city = %s AND state_code IN ({$placeholders}) LIMIT 1",
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$values
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));
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if ($result) {
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return array(
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'latitude' => (float) $result->latitude,
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'longitude' => (float) $result->longitude,
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);
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}
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return null;
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}
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/**
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* Build SQL for distance-based filtering using Haversine formula
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* Returns properties within specified miles of a center point
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*
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* @param float $lat Center latitude
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* @param float $lng Center longitude
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* @param float $miles Radius in miles
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* @return string SQL expression for distance filter
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*/
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private function get_distance_filter_sql($lat, $lng, $miles) {
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// Haversine formula: distance in miles
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// 3959 is Earth's radius in miles
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return sprintf(
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"(3959 * acos(cos(radians(%f)) * cos(radians(latitude)) * cos(radians(longitude) - radians(%f)) + sin(radians(%f)) * sin(radians(latitude)))) <= %f",
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$lat,
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$lng,
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$lat,
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$miles
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);
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}
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/**
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* Get properties matching criteria
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*
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@@ -65,6 +144,9 @@ class MLS_Query {
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'city' => null,
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'county' => null,
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'postal_code' => null,
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'center_lat' => null, // Latitude for radius search
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'center_lng' => null, // Longitude for radius search
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'radius' => 30, // Miles for radius search (default 30)
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'min_price' => null,
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'max_price' => null,
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'min_beds' => null,
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@@ -125,9 +207,50 @@ class MLS_Query {
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$values[] = $args['property_type'];
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}
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// City and postal_code are mutually exclusive - city takes priority
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if ($args['city']) {
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$where[] = 'city = %s';
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$values[] = $args['city'];
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// Look up city coordinates for radius search
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$city_coords = $this->get_city_coordinates($args['city']);
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if ($city_coords) {
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// Match exact city OR within 15 miles of city center
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$distance_filter = $this->get_distance_filter_sql(
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$city_coords['latitude'],
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$city_coords['longitude'],
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15 // miles
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);
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$where[] = "(city = %s OR ({$distance_filter}))";
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$values[] = $args['city'];
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} else {
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// Fallback to exact match if city not in geo table
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$where[] = 'city = %s';
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$values[] = $args['city'];
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}
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} elseif ($args['postal_code']) {
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// Only apply postal_code filter if city is not set
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// Look up zip code coordinates for radius search
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$zip_coords = $this->get_zipcode_coordinates($args['postal_code']);
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if ($zip_coords) {
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// Match exact zip code OR within 20 miles of zip code center
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$distance_filter = $this->get_distance_filter_sql(
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$zip_coords['latitude'],
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$zip_coords['longitude'],
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20 // miles
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);
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$where[] = "(postal_code = %s OR ({$distance_filter}))";
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$values[] = $args['postal_code'];
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} else {
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// Fallback to exact match if zip code not in geo table
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$where[] = 'postal_code = %s';
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$values[] = $args['postal_code'];
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}
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} elseif ($args['center_lat'] && $args['center_lng']) {
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// Direct lat/lng radius search (from homepage location search)
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$distance_filter = $this->get_distance_filter_sql(
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(float) $args['center_lat'],
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(float) $args['center_lng'],
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(int) $args['radius']
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);
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$where[] = "({$distance_filter})";
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}
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if ($args['county']) {
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@@ -135,11 +258,6 @@ class MLS_Query {
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$values[] = $args['county'];
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}
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if ($args['postal_code']) {
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$where[] = 'postal_code = %s';
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$values[] = $args['postal_code'];
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}
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if ($args['min_price']) {
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$where[] = 'list_price >= %d';
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$values[] = (int) $args['min_price'];
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@@ -428,9 +546,51 @@ class MLS_Query {
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$values[] = $args['property_type'];
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}
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// City and postal_code are mutually exclusive - city takes priority
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if (!empty($args['city'])) {
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$where[] = 'city = %s';
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$values[] = $args['city'];
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// Look up city coordinates for radius search
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$city_coords = $this->get_city_coordinates($args['city']);
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if ($city_coords) {
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// Match exact city OR within 15 miles of city center
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$distance_filter = $this->get_distance_filter_sql(
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$city_coords['latitude'],
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$city_coords['longitude'],
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15 // miles
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);
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$where[] = "(city = %s OR ({$distance_filter}))";
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$values[] = $args['city'];
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} else {
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// Fallback to exact match if city not in geo table
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$where[] = 'city = %s';
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$values[] = $args['city'];
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}
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} elseif (!empty($args['postal_code'])) {
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// Only apply postal_code filter if city is not set
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// Look up zip code coordinates for radius search
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$zip_coords = $this->get_zipcode_coordinates($args['postal_code']);
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if ($zip_coords) {
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// Match exact zip code OR within 20 miles of zip code center
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$distance_filter = $this->get_distance_filter_sql(
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$zip_coords['latitude'],
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$zip_coords['longitude'],
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20 // miles
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);
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$where[] = "(postal_code = %s OR ({$distance_filter}))";
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$values[] = $args['postal_code'];
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} else {
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// Fallback to exact match if zip code not in geo table
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$where[] = 'postal_code = %s';
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$values[] = $args['postal_code'];
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}
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} elseif (!empty($args['center_lat']) && !empty($args['center_lng'])) {
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// Direct lat/lng radius search (from homepage location search)
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$radius = !empty($args['radius']) ? (int) $args['radius'] : 30;
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$distance_filter = $this->get_distance_filter_sql(
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(float) $args['center_lat'],
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(float) $args['center_lng'],
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$radius
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);
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$where[] = "({$distance_filter})";
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}
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if (!empty($args['county'])) {
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@@ -644,14 +804,42 @@ class MLS_Query {
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$values[] = $args['property_type'];
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}
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// City and postal_code are mutually exclusive - city takes priority
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if (!empty($args['city'])) {
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$where[] = 'city = %s';
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$values[] = $args['city'];
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}
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if (!empty($args['postal_code'])) {
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$where[] = 'postal_code = %s';
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$values[] = $args['postal_code'];
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// Look up city coordinates for radius search
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$city_coords = $this->get_city_coordinates($args['city']);
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if ($city_coords) {
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// Match exact city OR within 15 miles of city center
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$distance_filter = $this->get_distance_filter_sql(
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$city_coords['latitude'],
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$city_coords['longitude'],
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15 // miles
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);
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$where[] = "(city = %s OR ({$distance_filter}))";
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$values[] = $args['city'];
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} else {
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// Fallback to exact match if city not in geo table
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$where[] = 'city = %s';
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$values[] = $args['city'];
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}
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} elseif (!empty($args['postal_code'])) {
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// Only apply postal_code filter if city is not set
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// Look up zip code coordinates for radius search
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$zip_coords = $this->get_zipcode_coordinates($args['postal_code']);
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if ($zip_coords) {
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// Match exact zip code OR within 20 miles of zip code center
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$distance_filter = $this->get_distance_filter_sql(
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$zip_coords['latitude'],
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$zip_coords['longitude'],
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20 // miles
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);
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$where[] = "(postal_code = %s OR ({$distance_filter}))";
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$values[] = $args['postal_code'];
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} else {
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// Fallback to exact match if zip code not in geo table
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$where[] = 'postal_code = %s';
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$values[] = $args['postal_code'];
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}
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}
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if (!empty($args['min_price'])) {
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