fix gemini shit
This commit is contained in:
406
php/common.php
406
php/common.php
@@ -1,20 +1,396 @@
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<?php
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/**
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* Common utilities for new API services.
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*/
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/**
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* Establishes a database connection and returns the connection resource.
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* Dies on failure.
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*
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* @return resource
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*/
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function get_db_connection() {
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$dbconn = pg_connect("host=localhost dbname=nws user=nws password=nws");
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if ($dbconn === false) {
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http_response_code(500);
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die('Database connection failed: ' . pg_last_error());
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// Database connection function
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function getDBConnection() {
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static $dbconn = null;
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if ($dbconn === null) {
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$dbconn = pg_connect("host=localhost dbname=nws user=nws password=nws")
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or die('Could not connect: ' . pg_last_error());
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}
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return $dbconn;
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}
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// Function to safely get and escape string parameters
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function getParam($key, $default = null) {
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$value = $_GET[$key] ?? $default;
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if ($value !== null) {
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return pg_escape_string($value);
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}
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return $value;
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}
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// Function to safely get and validate integer parameters
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function getIntParam($key, $default = null) {
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$value = $_GET[$key] ?? $default;
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if ($value !== null) {
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return (int)$value;
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}
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return $value;
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}
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// Helper functions for stormdata service
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function send_error(int $http_code, string $message, ?string $log_message = null): void {
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if ($log_message) { error_log($log_message); }
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elseif ($http_code >= 500) { error_log("Server Error (" . $http_code . "): " . $message); }
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http_response_code($http_code);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode(['error' => $message]);
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exit;
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}
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function send_geojson(array $features): void {
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$geojson_output = ['type' => 'FeatureCollection', 'features' => $features];
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header('Content-Type: application/geo+json; charset=utf-8');
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echo json_encode($geojson_output);
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exit;
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}
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function handle_cam_request($dbconn, array $data): void {
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error_log("Handling 'camera image' request.");
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$start_time_str = $data['start_time'] ?? null;
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$end_time_str = $data['end_time'] ?? null;
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$geojson_str = $data['area_geojson'] ?? null;
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if ($start_time_str === null || $end_time_str === null || $geojson_str === null) {
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send_error(400, 'Missing required parameters for camera request: start_time, end_time, area_geojson');
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}
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if (strtotime($start_time_str) === false) {
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send_error(400, 'Invalid start_time format.');
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}
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if (strtotime($end_time_str) === false) {
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send_error(400, 'Invalid end_time format.');
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}
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$geojson_obj = json_decode($geojson_str);
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if (json_last_error() !== JSON_ERROR_NONE) {
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send_error(400, 'Invalid area_geojson provided: Contains invalid JSON string.', 'GeoJSON Decode Error: ' . json_last_error_msg());
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}
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if (!is_object($geojson_obj) || !isset($geojson_obj->type) || !in_array($geojson_obj->type, ['Polygon', 'MultiPolygon'])) {
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send_error(400, 'Invalid area_geojson provided: Decoded JSON must be a Polygon or MultiPolygon object.');
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}
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$query = "
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SELECT
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c.*,
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ST_AsGeoJSON(c.geom) as geometry_geojson,
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COALESCE(img_agg.images, '[]'::jsonb) AS images
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FROM
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cams c
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LEFT JOIN (
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SELECT
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camid,
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jsonb_agg(
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jsonb_build_object(
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'timestamp', dateutc,
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'url', filepath -- Assuming filepath is the relative URL path
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) ORDER BY dateutc ASC -- Order images chronologically
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) AS images
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FROM
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camdb
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WHERE
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dateutc >= $1::timestamp -- start_time
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AND dateutc <= $2::timestamp -- end_time
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GROUP BY
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camid
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) AS img_agg ON c.camid = img_agg.camid
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WHERE
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c.active = TRUE -- Only active cameras
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AND ST_Within(c.geom, ST_GeomFromGeoJSON($3)) -- Camera location within area
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ORDER BY
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c.camid; -- Optional: Order cameras by ID
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";
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$params = array(
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$start_time_str, // $1: start_time
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$end_time_str, // $2: end_time
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$geojson_str // $3: area_geojson string
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);
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$result = pg_query_params($dbconn, $query, $params);
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if (!$result) {
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send_error(500, 'Database query failed for camera data.', 'Camera Query Failed: ' . pg_last_error($dbconn) . " | Query: " . $query . " | Params: " . print_r($params, true));
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}
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$cameras_output = [];
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while ($row = pg_fetch_assoc($result)) {
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$geometry = json_decode($row['geometry_geojson']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode geometry for camid ' . ($row['camid'] ?? 'N/A') . ': ' . json_last_error_msg());
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$geometry = null;
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}
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$images = json_decode($row['images']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode images JSON for camid ' . ($row['camid'] ?? 'N/A') . ': ' . json_last_error_msg());
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$images = [];
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}
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$camera_data = $row;
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unset($camera_data['geometry_geojson']);
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unset($camera_data['geom']);
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$camera_data['geometry'] = $geometry;
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$camera_data['images'] = $images;
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$cameras_output[] = $camera_data;
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}
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pg_free_result($result);
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error_log("Found " . count($cameras_output) . " cameras matching criteria.");
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header('Content-Type: application/json');
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echo json_encode($cameras_output, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
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exit;
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}
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function handle_wu_request_poly($dbconn, array $data): void {
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$polygons = $data['polygons'] ?? [];
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$start_time = $data['start_time'] ?? '2025-01-01 00:00:00';
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$end_time = $data['end_time'] ?? '2025-01-02 00:00:00';
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if (empty($polygons)) {
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http_response_code(500);
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echo json_encode(['error' => 'No polygons provided']);
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exit;
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}
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$polygon_placeholders = [];
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$params = [];
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$param_index = 1;
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foreach ($polygons as $polygon) {
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$polygon_placeholders[] = "ST_GeomFromText(\$$param_index, 4326)";
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$params[] = $polygon;
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$param_index++;
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}
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$params[] = $start_time;
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$params[] = $end_time;
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$start_time_placeholder = "\$$param_index";
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$param_index++;
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$end_time_placeholder = "\$$param_index";
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$polygon_sql = implode(', ', $polygon_placeholders);
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$sql = "
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SELECT wo.*
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FROM wuobs wo
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JOIN wusites ws ON wo.stationid = ws.stationid
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WHERE ws.geom && ST_Union(ARRAY[$polygon_sql])::geometry
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AND ST_Within(ws.geom, ST_Union(ARRAY[$polygon_sql])::geometry)
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AND wo.observation_time BETWEEN $start_time_placeholder AND $end_time_placeholder
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";
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$result = pg_query_params($dbconn, $sql, $params);
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if ($result === false) {
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http_response_code(500);
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echo json_encode(['error' => pg_last_error($dbconn)]);
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exit;
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}
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$results = [];
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while ($row = pg_fetch_assoc($result)) {
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$results[] = $row;
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}
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pg_free_result($result);
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header('Content-Type: application/json');
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echo json_encode($results);
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}
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function handle_ohgo_request($dbconn, array $data): void {
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error_log("Handling 'ohgo' request.");
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$start = $data['start_time'] ?? null;
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$geojson_str = $data['area_geojson'] ?? null;
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$end = $data['end_time'] ?? null;
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if ($start === null || $geojson_str === null || $end === null) {
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send_error(400, 'Missing required parameters for ohgo request: start, geojson, end');
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}
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$geojson_obj = json_decode($geojson_str);
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if (json_last_error() !== JSON_ERROR_NONE) {
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send_error(400, 'Invalid GeoJSON provided: Not valid JSON.', 'GeoJSON Decode Error: ' . json_last_error_msg());
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}
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if (!isset($geojson_obj->type) || !in_array($geojson_obj->type, ['Polygon', 'MultiPolygon'])) {
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send_error(400, 'Invalid GeoJSON provided: Type must be Polygon or MultiPolygon.');
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}
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$query = "SELECT ST_AsGeoJSON(geom) AS geometry, category, roadstatus, county, state, location, routename, description, start AS start_timestamp, endtime AS end_timestamp, lastupdate FROM ohgo WHERE start > $1::timestamp AND start < $3::timestamp AND ST_Within(geom, ST_GeomFromGeoJSON($2)) ORDER BY start ASC";
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$params = array($start, $geojson_str, $end);
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$result = pg_query_params($dbconn, $query, $params);
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if (!$result) {
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send_error(500, 'Database query failed for ohgo data.', 'OHGO Query Failed: ' . pg_last_error($dbconn));
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}
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$features = [];
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while ($line = pg_fetch_assoc($result)) {
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$geometry = json_decode($line['geometry']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode geometry for ohgo row: ' . json_last_error_msg());
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continue;
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}
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$properties = $line;
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unset($properties['geometry']);
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$features[] = ['type' => 'Feature', 'geometry' => $geometry, 'properties' => $properties];
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}
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pg_free_result($result);
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error_log("Found " . count($features) . " features for ohgo request.");
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send_geojson($features);
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}
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function handle_power_request($dbconn, array $data): void {
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error_log("Handling 'power' request.");
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$start = $data['start_time'] ?? null;
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$geojson_str = $data['area_geojson'] ?? null;
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$end = $data['end_time'] ?? null;
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$buffer_hours = $data['buffer'] ?? 0;
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if ($start === null || $geojson_str === null || $end === null || $buffer_hours === null) {
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send_error(400, 'Missing required parameters for power request: start_time, area_geojson, end_time, buffer_hours');
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}
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if (!is_numeric($buffer_hours) || ($buffer_hours_float = floatval($buffer_hours)) < 0) {
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send_error(400, 'Invalid buffer_hours provided: Must be a non-negative number.');
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}
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$buffer_hours_int = (int)$buffer_hours_float;
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$geojson_obj = json_decode($geojson_str);
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if (json_last_error() !== JSON_ERROR_NONE) {
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send_error(400, 'Invalid area_geojson provided: Contains invalid JSON string.', 'GeoJSON Decode Error: ' . json_last_error_msg());
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}
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if (!is_object($geojson_obj) || !isset($geojson_obj->type) || !in_array($geojson_obj->type, ['Polygon', 'MultiPolygon'])) {
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send_error(400, 'Invalid area_geojson provided: Decoded JSON must be a Polygon or MultiPolygon object.');
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}
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$query = "SELECT ST_AsGeoJSON(realgeom) AS geometry, derivedstart AS start_timestamp, cause, peakoutage, lastchange AS end_timestamp FROM power WHERE derivedstart >= $1::timestamp AND derivedstart < ($3::timestamp + make_interval(hours => $4::integer)) AND ST_Within(realgeom, ST_GeomFromGeoJSON($2)) ORDER BY derivedstart ASC";
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$params = array(
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$start, // $1: start_time from JSON
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$geojson_str, // $2: area_geojson STRING from JSON
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$end, // $3: end_time from JSON
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$buffer_hours_int // $4: buffer_hours from JSON (as integer)
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);
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$result = pg_query_params($dbconn, $query, $params);
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if (!$result) {
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send_error(500, 'Database query failed for power data.', 'Power Query Failed: ' . pg_last_error($dbconn) . " | Query: " . $query . " | Params: " . print_r($params, true));
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}
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$features = [];
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while ($line = pg_fetch_assoc($result)) {
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$geometry = json_decode($line['geometry']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode geometry for power row: ' . json_last_error_msg());
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continue;
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}
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$properties = $line;
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unset($properties['geometry']);
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$features[] = ['type' => 'Feature', 'geometry' => $geometry, 'properties' => $properties];
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}
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pg_free_result($result);
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error_log("Found " . count($features) . " features for power request.");
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send_geojson($features);
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}
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function handle_ohgo_request_no_poly($dbconn, array $data): void {
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error_log("Handling 'ohgo' request no poly.");
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$start = $data['start_time'] ?? null;
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$end = $data['end_time'] ?? null;
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if ($start === null || $end === null) {
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send_error(400, 'Missing required parameters for ohgo request: start, end');
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}
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$query = "SELECT ST_AsGeoJSON(geom) AS geometry, county, state AS st, location, routename AS city, upper(cwa) AS wfo, 'FLOOD' AS typetext, 'Department of Highways' AS source, description AS remark,
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TO_CHAR(start, 'YYYY-MM-DD\"T\"HH24:MI:SS\"Z\"') AS valid
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FROM ohgo
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WHERE start > $1::timestamp
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AND start < $2::timestamp
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AND cwa = 'RLX'
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ORDER BY start ASC";
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$params = array($start, $end);
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$result = pg_query_params($dbconn, $query, $params);
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if (!$result) {
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send_error(500, 'Database query failed for ohgo data.', 'OHGO Query Failed: ' . pg_last_error($dbconn));
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}
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$features = [];
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while ($line = pg_fetch_assoc($result)) {
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$geometry = json_decode($line['geometry']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode geometry for ohgo row: ' . json_last_error_msg());
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continue;
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}
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$properties = $line;
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unset($properties['geometry']);
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$features[] = ['type' => 'Feature', 'geometry' => $geometry, 'properties' => $properties];
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}
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pg_free_result($result);
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error_log("Found " . count($features) . " features for ohgo request.");
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send_geojson($features);
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}
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function handle_power_request_no_poly($dbconn, array $data): void {
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error_log("Handling 'power' request no poly.");
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$start = $data['start_time'] ?? null;
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$end = $data['end_time'] ?? null;
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$outage_threshold = $data['outage_threshold'] ?? 9;
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$buffer_hours = $data['buffer'] ?? 0;
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if ($start === null || $end === null || $buffer_hours === null) {
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send_error(400, 'Missing required parameters for power request: start_time, end_time, buffer_hours');
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}
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if (!is_numeric($buffer_hours) || ($buffer_hours_float = floatval($buffer_hours)) < 0) {
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send_error(400, 'Invalid buffer_hours provided: Must be a non-negative number.');
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}
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$buffer_hours_int = (int)$buffer_hours_float;
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$outage_thresh = (float)$outage_threshold;
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$query = "SELECT ST_AsGeoJSON(realgeom) AS geometry,
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TO_CHAR(derivedstart, 'YYYY-MM-DD\"T\"HH24:MI:SS\"Z\"') AS valid,
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('Power Outage affecting ' || peakoutage || ' customers caused by ' || COALESCE(cause, 'unknown')) AS remark,
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'Utility Company' as source,
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'POWER OUTAGE' as typetext,
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'U' as type,
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(ROUND(ST_Y(realgeom)::numeric, 3) || ', ' || ROUND(ST_X(realgeom)::numeric, 3)) AS city,
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county as county,
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state as state,
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state as st
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FROM power
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WHERE derivedstart >= $1::timestamp
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AND derivedstart < ($2::timestamp + make_interval(hours => $3::integer))
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and peakoutage > $4
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AND ST_Within(realgeom, (SELECT geom FROM public.cwa WHERE cwa = 'RLX'))
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ORDER BY derivedstart ASC";
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$params = array(
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$start, // $1: start_time from JSON
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$end, // $2: end_time from JSON
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$buffer_hours_int, // $3: buffer_hours from JSON (as integer)
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$outage_thresh // $4
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);
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$result = pg_query_params($dbconn, $query, $params);
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if (!$result) {
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send_error(500, 'Database query failed for power data.', 'Power Query Failed: ' . pg_last_error($dbconn) . " | Query: " . $query . " | Params: " . print_r($params, true));
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}
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$features = [];
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while ($line = pg_fetch_assoc($result)) {
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$geometry = json_decode($line['geometry']);
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if (json_last_error() !== JSON_ERROR_NONE) {
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error_log('Failed to decode geometry for power row: ' . json_last_error_msg());
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continue;
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}
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$properties = $line;
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unset($properties['geometry']);
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$features[] = ['type' => 'Feature', 'geometry' => $geometry, 'properties' => $properties];
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}
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pg_free_result($result);
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error_log("Found " . count($features) . " features for power request.");
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send_geojson($features);
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}
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?>
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