'ERR', 'message' => mysqli_connect_error(), ]; } else { // Lettura device fra le date richieste $sql = "SELECT DISTINCT logs.mac, logs.ssid, logs.dbm, logs_data.received_at, devices.nome FROM logs LEFT JOIN devices ON logs.mac=devices.mac INNER JOIN (SELECT mac, MAX(received_at) AS received_at FROM logs GROUP BY mac) AS logs_data ON logs_data.mac=logs.mac WHERE logs_data.received_at BETWEEN ? AND ? ORDER BY logs_data.received_at DESC"; $stmt = $mysqli->prepare($sql); // Errore nella preparazione query if (!$stmt) { $result = [ 'status' => 'ERR', 'message' => $mysqli->error, ]; } else { if ($stmt->bind_param('ss', $date_start, $date_end)) { $date_start = $_POST['date_start']; $date_end = $_POST['date_end']; // Esecuzione statement $stmt->execute(); $rs = $stmt->get_result(); while ($row = $rs->fetch_assoc()) { // Conversione del segnale in percentuale se richiesto if ($_POST['signal_type'] == 'percent') { if ($row['dbm'] <= -100) { $row['dbm'] = 0; } elseif ($row['dbm'] >= -50) { $row['dbm'] = 100; } else { $row['dbm'] = 2 * ($row['dbm'] + 100); } } // Lettura vendor $mac = str_replace( ':', '-', substr($row['mac'], 0, 8) ); $row['vendor'] = ''; if( preg_match( '/^'.preg_quote($mac).'([\s\t]+)\(hex\)(.+?)$/im', $oui, $m) ){ $row['vendor'] = trim($m[2]); } $records[] = $row; } $result = [ 'status' => 'OK', 'records' => (array)$records, ]; } else { $result = [ 'status' => 'ERR', 'message' => 'Errore durante l\'esecuzione query', ]; } } } echo json_encode($result); $stmt->close(); $mysqli->close(); } break; case 'get-online-devices': if (!empty($_POST['date_start']) && !empty($_POST['date_end'])) { // Connessione al database $mysqli = mysqli_connect($config['db_host'], $config['db_user'], $config['db_pass'], $config['db_name']); // Errore nella connessione a database if (mysqli_connect_errno($mysqli)) { $result = [ 'status' => 'ERR', 'message' => mysqli_connect_error(), ]; } else { // Lettura numero di device unico nell'intervallo di date $sql = "SELECT DISTINCT logs.mac FROM logs WHERE received_at BETWEEN ? AND ?"; $stmt = $mysqli->prepare($sql); // Errore nella preparazione query if (!$stmt) { $result = [ 'status' => 'ERR', 'message' => $mysqli->error, ]; } else { if ($stmt->bind_param('ss', $date_start, $date_end)) { $date_start = $_POST['date_start']; $date_end = $_POST['date_end']; // Esecuzione statement $stmt->execute(); $rs = $stmt->get_result(); while ($row = $rs->fetch_assoc()) { // Conversione del segnale in percentuale se richiesto if ($_POST['signal_type'] == 'percent') { if ($row['dbm'] <= -100) { $row['dbm'] = 0; } elseif ($row['dbm'] >= -50) { $row['dbm'] = 100; } else { $row['dbm'] = 2 * ($row['dbm'] + 100); } } $records[] = $row; } $result = [ 'status' => 'OK', 'records' => sizeof($records), ]; } else { $result = [ 'status' => 'ERR', 'message' => 'Errore durante l\'esecuzione query', ]; } } } echo json_encode($result); $stmt->close(); $mysqli->close(); } break; case 'get-devices-by-hour': // Connessione al database $mysqli = mysqli_connect($config['db_host'], $config['db_user'], $config['db_pass'], $config['db_name']); // Errore nella connessione a database if (mysqli_connect_errno($mysqli)) { $result = [ 'status' => 'ERR', 'message' => mysqli_connect_error(), ]; } else { // Lettura numero di device unico nell'intervallo di date $sql = " SELECT CONCAT( DATE_FORMAT(received_at, '%H'), ':00' ) AS indice, COUNT(DISTINCT(mac)) AS valore FROM `logs` GROUP BY DATE_FORMAT(received_at, '%H')"; $stmt = $mysqli->prepare($sql); // Errore nella preparazione query if (!$stmt) { $result = [ 'status' => 'ERR', 'message' => $mysqli->error, ]; } else { // Esecuzione statement $stmt->execute(); $rs = $stmt->get_result(); while ($row = $rs->fetch_assoc()) { $records[] = $row; } $result = [ 'status' => 'OK', 'records' => $records, ]; } } echo json_encode($result); $stmt->close(); $mysqli->close(); break; case 'get-devices-by-weekday': $weekdays = [ 0 => 'domenica', 1 => 'lunedì', 2 => 'martedì', 3 => 'mercoledì', 4 => 'giovedì', 5 => 'venerdì', 6 => 'sabato', ]; // Connessione al database $mysqli = mysqli_connect($config['db_host'], $config['db_user'], $config['db_pass'], $config['db_name']); // Errore nella connessione a database if (mysqli_connect_errno($mysqli)) { $result = [ 'status' => 'ERR', 'message' => mysqli_connect_error(), ]; } else { // Lettura numero di device unico nell'intervallo di date $sql = " SELECT DATE_FORMAT(received_at, '%w') AS indice, COUNT(DISTINCT(mac)) AS valore FROM `logs` GROUP BY DATE_FORMAT(received_at, '%w')"; $stmt = $mysqli->prepare($sql); // Errore nella preparazione query if (!$stmt) { $result = [ 'status' => 'ERR', 'message' => $mysqli->error, ]; } else { // Esecuzione statement $stmt->execute(); $rs = $stmt->get_result(); while ($row = $rs->fetch_assoc()) { $row['indice'] = $weekdays[ $row['indice'] ]; $records[] = $row; } $result = [ 'status' => 'OK', 'records' => $records, ]; } } echo json_encode($result); $stmt->close(); $mysqli->close(); break; }