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example database, web API added
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‎example/sql/sim_test.sql

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-- phpMyAdmin SQL Dump
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-- version 4.8.4
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-- https://www.phpmyadmin.net/
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--
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-- Gép: 127.0.0.1
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-- Létrehozás ideje: 2019. Jan 17. 20:15
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-- Kiszolgáló verziója: 10.1.37-MariaDB
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-- PHP verzió: 7.3.0
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SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
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SET AUTOCOMMIT = 0;
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START TRANSACTION;
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SET time_zone = "+00:00";
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/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
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/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
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/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
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/*!40101 SET NAMES utf8mb4 */;
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--
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-- Adatbázis: `sim_test`
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--
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-- --------------------------------------------------------
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--
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-- Tábla szerkezet ehhez a táblához `data`
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--
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CREATE TABLE `data` (
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`id` bigint(20) NOT NULL,
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`date` date NOT NULL,
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`time` time NOT NULL,
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`sensors` text COLLATE utf8_bin NOT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
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--
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-- A tábla adatainak kiíratása `data`
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--
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INSERT INTO `data` (`id`, `date`, `time`, `sensors`) VALUES
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(1, '2018-04-17', '06:00:00', 'I=53.33;TW=20.98'),
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(2, '2018-04-17', '06:40:00', 'I=103.33;TW=21.95'),
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(3, '2018-04-17', '08:20:00', 'I=266.67;TW=24.15'),
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(4, '2018-04-17', '09:15:00', 'I=363.33;TW=24.88'),
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(5, '2018-04-17', '10:10:00', 'I=436.67;TW=26.34'),
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(6, '2018-04-17', '10:55:00', 'I=353.33;TW=27.32'),
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(7, '2018-04-17', '11:50:00', 'I=436.67;TW=28.54'),
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(8, '2018-04-17', '13:35:00', 'I=606.67;TW=28.54'),
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(9, '2018-04-17', '14:20:00', 'I=126.67;TW=27.56'),
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(10, '2018-04-17', '15:15:00', 'I=483.33;TW=28.05'),
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(11, '2018-04-17', '16:00:00', 'I=373.33;TW=27.07'),
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(12, '2018-04-17', '16:55:00', 'I=283.33;TW=27.07'),
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(13, '2018-04-17', '17:50:00', 'I=176.67;TW=26.58'),
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(14, '2018-04-17', '18:35:00', 'I=103.33;TW=26.58'),
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(15, '2018-04-17', '19:30:00', 'I=33.33;TW=25.85'),
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(16, '2018-04-17', '20:25:00', 'I=6.67;TW=25.12');
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--
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-- Indexek a kiírt táblákhoz
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--
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--
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-- A tábla indexei `data`
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--
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ALTER TABLE `data`
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ADD PRIMARY KEY (`id`);
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--
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-- A kiírt táblák AUTO_INCREMENT értéke
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--
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--
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-- AUTO_INCREMENT a táblához `data`
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--
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ALTER TABLE `data`
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MODIFY `id` bigint(20) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=17;
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COMMIT;
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/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
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/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
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/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

‎example/webjson/api/api.php

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<?php
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// http://127.0.0.1/api/api.php?startDate=2018-04-17&startTime=06:00:00&endDate=2018-04-17&endTime=18:00:00&sensors=I,TW
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if(isset($_GET["startDate"])){
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} else {
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die('{ "error" : "startDate is needed" }');
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}
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if(isset($_GET["startTime"])){
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} else {
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die('{ "error" : "startTime is needed" }');
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}
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if(isset($_GET["endDate"])){
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} else {
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die('{ "error" : "endDate is needed" }');
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}
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if(isset($_GET["endTime"])){
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} else {
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die('{ "error" : "endTime is needed" }');
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}
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if(isset($_GET["sensors"])){
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} else {
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die('{ "error" : "sensors is needed" }');
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}
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include('get_data.php');
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echo get_data($_GET["startDate"], $_GET["startTime"], $_GET["endDate"], $_GET["endTime"], $_GET["sensors"]);
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?>

‎example/webjson/api/connect.php

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<?php
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$host = "localhost";
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$user = "root";
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$pass = "";
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$db = "sim_test";
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$mysqli = new mysqli($host, $user, $pass, $db);
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if ($mysqli->connect_errno) {
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die('Colud not connect to host: '.$host.' :'. $mysqli->connect_error);
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}
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$result = $mysqli->query("SET character_set_results = 'utf8', character_set_client = 'utf8', character_set_connection = 'utf8', character_set_database = 'utf8', character_set_server = 'utf8'");
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if(!$result){
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die('Colud not set te charset :'. $mysqli->connect_error);
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}
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?>

‎example/webjson/api/get_data.php

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<?php
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require('connect.php');
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function get_data($start_date, $start_time, $end_date, $end_time, $sensors_str){
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global $mysqli;
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$query_str = sprintf("SELECT * FROM `data` WHERE CONCAT(`date`,' ', `time`) >= '%s %s' AND CONCAT(`date`,' ', `time`) <= '%s %s'", $start_date, $start_time, $end_date, $end_time);
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$result = $mysqli->query($query_str);
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$JSON_str = '{"data":[';
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if($mysqli->field_count){
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while($row = $result->fetch_assoc()) {
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$obj_str = '{"date": "' . $row['date'] . '",';
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$obj_str .= '"time": "' . $row['time'] . '",';
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$sensors = explode(",", $sensors_str);
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foreach ($sensors as &$sensor) {
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$data = get_sensor_data($row['sensors'], $sensor);
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if(strlen($data) > 0){
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$obj_str .= $data . ',';
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}
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}
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$obj_str = rtrim($obj_str, ",");
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$obj_str .= '}';
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$JSON_str .= $obj_str . ',';
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}
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}
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$JSON_str = rtrim($JSON_str, ",");
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$JSON_str .= ']}';
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return $JSON_str;
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}
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function get_sensor_data($str, $sensor){
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$sensor_data = explode(";", $str);
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foreach ($sensor_data as &$data) {
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$element = explode("=", $data);
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if($element[0] == $sensor){
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return '"' . $sensor . '" : ' . $element[1];
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}
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}
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return "";
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}
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?>

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