Skip to content

Instantly share code, notes, and snippets.

@flashwave
Created September 25, 2022 22:57
Show Gist options
  • Save flashwave/6ce306a4b12a3f1e9d87379e53c39f34 to your computer and use it in GitHub Desktop.
Save flashwave/6ce306a4b12a3f1e9d87379e53c39f34 to your computer and use it in GitHub Desktop.
temperature shittery
-- --------------------------------------------------------
-- Host: 127.0.0.1
-- Server version: 10.6.9-MariaDB-1:10.6.9+maria~ubu2004 - mariadb.org binary distribution
-- Server OS: debian-linux-gnu
-- HeidiSQL Version: 12.1.0.6537
-- --------------------------------------------------------
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET NAMES utf8 */;
/*!50503 SET NAMES utf8mb4 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
-- Dumping structure for table makai.fm_temperature
CREATE TABLE IF NOT EXISTS `fm_temperature` (
`temp_celcius` double NOT NULL,
`temp_datetime` timestamp NOT NULL DEFAULT current_timestamp(),
KEY `temp_datetime` (`temp_datetime`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
-- Data exporting was unselected.
/*!40103 SET TIME_ZONE=IFNULL(@OLD_TIME_ZONE, 'system') */;
/*!40101 SET SQL_MODE=IFNULL(@OLD_SQL_MODE, '') */;
/*!40014 SET FOREIGN_KEY_CHECKS=IFNULL(@OLD_FOREIGN_KEY_CHECKS, 1) */;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40111 SET SQL_NOTES=IFNULL(@OLD_SQL_NOTES, 1) */;
<?php
define('FM_TEMP_KEY', 'balls');
define('FM_TEMP_INT', 10);
ini_set('display_errors', 'on');
error_reporting(-1);
date_default_timezone_set('UTC');
mb_internal_encoding('UTF-8');
try {
$pdo = new PDO('mysql:unix_socket=/var/run/mysqld/mysqld.sock;dbname=website;charset=utf8mb4', 'website', 'balls', [
PDO::ATTR_CASE => PDO::CASE_NATURAL,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
PDO::ATTR_STRINGIFY_FETCHES => false,
PDO::ATTR_EMULATE_PREPARES => false,
PDO::MYSQL_ATTR_INIT_COMMAND => "
SET SESSION
sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION',
time_zone = '+00:00';
",
]);
} catch(Exception $ex) {
http_response_code(500);
echo '<h3>Unable to connect to database</h3>';
die($ex->getMessage());
}
if(isset($_POST['temp']) && isset($_POST['hash']) && isset($_POST['time'])) {
$temp = (string)filter_input(INPUT_POST, 'temp');
$hash = (string)filter_input(INPUT_POST, 'hash');
$time = (string)filter_input(INPUT_POST, 'time', FILTER_SANITIZE_NUMBER_INT);
if(!hash_equals(hash_hmac('sha256', $temp . '|' . $time, FM_TEMP_KEY), $hash))
return;
$time = floor((int)json_decode($time) / FM_TEMP_INT);
if($time !== floor(time() / FM_TEMP_INT))
return;
$insert = $pdo->prepare('INSERT INTO `fm_temperature` (`temp_celcius`) VALUES (:temp)');
$insert->bindValue('temp', (string)json_decode($temp));
$insert->execute();
return;
}
if(isset($_GET['latest'])) {
$temps = $pdo->prepare('SELECT `temp_celcius` AS `tc`, UNIX_TIMESTAMP(`temp_datetime`) AS `dt` FROM `fm_temperature` ORDER BY `temp_datetime` DESC LIMIT 1');
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetch(PDO::FETCH_ASSOC));
return;
}
if(isset($_GET['daily'])) {
$temps = $pdo->prepare('SELECT AVG(`temp_celcius`) AS `tc`, DATE_FORMAT(MIN(`temp_datetime`), \'%H:%i\') AS `ts` FROM `fm_temperature` WHERE `temp_datetime` > NOW() - INTERVAL 1 DAY GROUP BY FLOOR(UNIX_TIMESTAMP(`temp_datetime`) / (15 * 60)) ORDER BY `temp_datetime` ASC LIMIT 96');
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetchAll(PDO::FETCH_ASSOC));
return;
}
if(isset($_GET['weekly'])) {
$temps = $pdo->prepare('SELECT MAX(`temp_celcius`) AS `tcmax`, AVG(`temp_celcius`) AS `tcavg`, MIN(`temp_celcius`) AS `tcmin`, DATE_FORMAT(`temp_datetime`, \'%X-%V\') AS `tw` FROM `fm_temperature` WHERE `temp_datetime` > NOW() - INTERVAL 1 YEAR GROUP BY YEARWEEK(`temp_datetime`) ORDER BY `temp_datetime` ASC LIMIT 52');
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetchAll(PDO::FETCH_ASSOC));
return;
}
if(!empty($_GET['siri'])) {
header('Content-Type: text/plain; charset=utf-8');
$temps = $pdo->prepare('SELECT `temp_celcius`, UNIX_TIMESTAMP(`temp_datetime`) AS `temp_datetime` FROM `fm_temperature` ORDER BY `temp_datetime` DESC LIMIT 1');
$temps->execute();
$temps = $temps->fetch(PDO::FETCH_ASSOC);
date_default_timezone_set('Europe/Amsterdam');
printf('It was %2$.1f°C at %1$s.', date('H:i:s', $temps['temp_datetime']), $temps['temp_celcius']);
return;
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>Room Temperature</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/>
<link href="/css/electrolize/style.css" type="text/css" rel="stylesheet"/>
<style type="text/css">
* {
margin: 0;
padding: 0;
box-sizing: border-box;
position: relative;
outline-style: none;
}
html, body {
width: 100%;
height: 100%;
}
body {
background-color: #111;
color: #fff;
font: 12px/20px Tahoma, Geneva, 'Dejavu Sans', Arial, Helvetica, sans-serif;
padding: 1px;
}
h2 {
font-family: 'Electrolize', Verdana, 'Dejavu Sans', Arial, Helvetica, sans-serif;
}
.current {
text-align: center;
background-color: #333;
margin: 10px;
padding: 10px;
border-radius: 10px;
}
.current-temp {
font-family: 'Electrolize', Verdana, 'Dejavu Sans', Arial, Helvetica, sans-serif;
font-size: 3em;
line-height: 1.2em;
}
.current-datetime {
font-size: .9em;
line-height: 1.4em;
}
.chart {
background-color: #ddd;
margin: 10px;
padding: 10px;
border-radius: 10px;
color: #666;
}
.chart-legend {
text-align: center;
}
.chart-body {
width: 100%;
height: 400px;
text-align: center;
}
.chart-labels {
width: 100%;
text-align: center;
}
.legend {
display: inline-block;
text-align: left;
min-width: 100px;
}
.legend-icon {
background-color: var(--lc);
width: 10px;
height: 10px;
display: inline-block;
}
.legend-name {
color: var(--lc);
font-weight: 700;
display: inline-block;
}
.bars {
height: 100%;
display: inline-block;
bottom: 0;
}
.bars-bar {
width: 100%;
bottom: 0;
position: absolute;
}
</style>
</head>
<body>
<div class="main">
<div class="current">
<div class="current-temp">
<span id="-last-temp">--</span> °C
</div>
<div class="current-datetime">
<span id="-last-datetime">--:--:--</span>
</div>
</div>
<div class="chart" id="-chart-hr">
<h2>15 minutely Temperature (24hr)</h2>
<p style="font-size: .8em">Add 1 or 2 hours to the displayed hour, I cannot be bothered to handle it myself.</p>
<div class="chart-body">
</div>
<div class="chart-labels" style="height: 35px;">
</div>
</div>
<div class="chart" id="-chart-wk">
<h2>Weekly Temperature (1yr)</h2>
<div class="chart-legend">
<div class="legend" style="--lc: #800;">
<div class="legend-icon"></div>
<div class="legend-name">Maximum</div>
</div>
<div class="legend" style="--lc: #080;">
<div class="legend-icon"></div>
<div class="legend-name">Average</div>
</div>
<div class="legend" style="--lc: #008;">
<div class="legend-icon"></div>
<div class="legend-name">Minimum</div>
</div>
</div>
<div class="chart-body">
</div>
<div class="chart-labels" style="height: 40px;">
</div>
</div>
</div>
<script type="text/javascript">
var temp = {
lastTemp: null,
lastDateTime: null,
chartHr: null,
chartHrBody: null,
chartHrLabels: null,
chartHrBars: 24 * 60 / 15,
chartWk: null,
chartWkBody: null,
chartWkLabels: null,
chartWkBars: 52,
};
temp.weightedNumber = function(n1, n2, w) {
w = Math.min(1, Math.max(0, w));
return Math.round((n1 * w) + (n2 * (1 - w)));
};
temp.weightedColour = function(c1, c2, w) {
if(typeof c1 === 'number')
c1 = [(c1 >> 16) & 0xFF, (c1 >> 8) & 0xFF, c1 & 0xFF];
if(typeof c2 === 'number')
c2 = [(c2 >> 16) & 0xFF, (c2 >> 8) & 0xFF, c2 & 0xFF];
var rgb = [
this.weightedNumber(c1[0], c2[0], w),
this.weightedNumber(c1[1], c2[1], w),
this.weightedNumber(c1[2], c2[2], w),
];
return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
};
temp.weightedColourHex = function(c1, c2, w) {
return '#' + this.weightedColour(c1, c2, w).toString(16).padStart(6, '0');
};
temp.refreshLatest = function() {
var xhr = new XMLHttpRequest;
xhr.onload = function() {
this.updateLatest(JSON.parse(xhr.responseText));
}.bind(this);
xhr.open('GET', '/temp.php?latest');
xhr.send();
};
temp.updateLatest = function(temp) {
this.lastTemp.textContent = (parseInt(temp.tc * 10) / 10).toFixed(1).toLocaleString();
this.lastDateTime.textContent = new Date(temp.dt * 1000).toLocaleString();
};
temp.refreshHr = function() {
var xhr = new XMLHttpRequest;
xhr.onload = function() {
this.updateHr(JSON.parse(xhr.responseText));
}.bind(this);
xhr.open('GET', '/temp.php?daily');
xhr.send();
};
temp.updateHr = function(temps) {
this.chartHrBody.innerHTML = '';
this.chartHrLabels.innerHTML = '';
for(var i = 0; i < temps.length; ++i) {
var temp = temps[i],
width = (100 / (temps.length + 12)).toString() + '%';
var label = document.createElement('div'),
labelTxt = document.createElement('div');
labelTxt.textContent = temp.ts;
labelTxt.style.transform = 'rotate(270deg)';
labelTxt.style.fontSize = '.8em';
labelTxt.style.top = '15px';
label.title = temp.ts;
label.className = 'chart-body-bars bars';
label.style.width = width;
label.style.margin = '0 .5px';
label.appendChild(labelTxt);
this.chartHrLabels.appendChild(label);
var bars = document.createElement('div');
bars.className = 'chart-body-bars bars';
bars.style.width = width;
bars.style.margin = '0 .5px';
this.chartHrBody.appendChild(bars);
var bar = document.createElement('div'),
barTxt = document.createElement('div');
bar.className = 'bars-bar';
var weight = ((temp.tc - 15) / 20);
barTxt.textContent = temp.tc.toFixed(1);
barTxt.style.transform = 'rotate(270deg)';
barTxt.style.fontSize = '.8em';
barTxt.style.top = '5px';
barTxt.style.color = '#fff';
bar.appendChild(barTxt);
bar.title = temp.tc.toFixed(2) + ' °C';
bar.style.backgroundColor = this.weightedColourHex(0xFF0000, 0xFF, weight);
bar.style.overflow = 'hidden';
bar.style.height = (weight * 100).toString() + '%';
bars.appendChild(bar);
}
};
temp.refreshWk = function() {
var xhr = new XMLHttpRequest;
xhr.onload = function() {
this.updateWk(JSON.parse(xhr.responseText));
}.bind(this);
xhr.open('GET', '/temp.php?weekly');
xhr.send();
};
temp.updateWk = function(temps) {
this.chartWkBody.innerHTML = '';
this.chartWkLabels.innerHTML = '';
for(var i = 0; i < temps.length; ++i) {
var temp = temps[i],
width = (100 / (this.chartWkBars + 3)).toString() + '%';
var label = document.createElement('div'),
labelTxt = document.createElement('div');
labelTxt.textContent = temp.tw;
labelTxt.style.transform = 'rotate(270deg)';
labelTxt.style.fontSize = '.8em';
labelTxt.style.top = '20px';
label.title = temp.tw;
label.className = 'chart-body-bars bars';
label.style.width = width;
label.style.margin = '0 .5px';
label.appendChild(labelTxt);
this.chartWkLabels.appendChild(label);
var bars = document.createElement('div');
bars.className = 'chart-body-bars bars';
bars.style.width = width;
bars.style.margin = '0 .5px';
this.chartWkBody.appendChild(bars);
var max = document.createElement('div'),
maxTxt = document.createElement('div'),
avg = document.createElement('div'),
avgTxt = document.createElement('div'),
min = document.createElement('div'),
minTxt = document.createElement('div');
max.className = avg.className = min.className = 'bars-bar';
var wMin = (temp.tcmin - 15) / 15,
wAvg = (temp.tcavg - 20) / 10,
wMax = (temp.tcmax - 20) / 15;
maxTxt.textContent = temp.tcmax.toFixed(1);
maxTxt.style.transform = 'rotate(270deg)';
maxTxt.style.fontSize = '.8em';
maxTxt.style.top = '5px';
maxTxt.style.color = '#fff';
max.appendChild(maxTxt);
max.title = temp.tcmax.toFixed(2) + ' °C';
max.style.backgroundColor = this.weightedColourHex(0xFF0000, 0x800000, wMax);
max.style.overflow = 'hidden';
max.style.height = (((temp.tcmax - 15) / 20) * 100).toString() + '%';
bars.appendChild(max);
avgTxt.textContent = temp.tcavg.toFixed(1);
avgTxt.style.transform = 'rotate(270deg)';
avgTxt.style.fontSize = '.8em';
avgTxt.style.top = '5px';
avgTxt.style.color = '#fff';
avg.appendChild(avgTxt);
avg.title = temp.tcavg.toFixed(2) + ' °C';
avg.style.backgroundColor = this.weightedColourHex(0xFF00, 0x8000, wAvg);
avg.style.overflow = 'hidden';
avg.style.height = (((temp.tcavg - 15) / 20) * 100).toString() + '%';
bars.appendChild(avg);
minTxt.textContent = temp.tcmin.toFixed(1);
minTxt.style.transform = 'rotate(270deg)';
minTxt.style.fontSize = '.8em';
minTxt.style.top = '5px';
minTxt.style.color = '#fff';
min.appendChild(minTxt);
min.title = temp.tcmin.toFixed(2) + ' °C';
min.style.backgroundColor = this.weightedColourHex(0x80, 0xFF, wMin);
min.style.overflow = 'hidden';
min.style.height = (((temp.tcmin - 15) / 20) * 100).toString() + '%';
bars.appendChild(min);
}
};
temp.loadFake = function() {
this.updateHr(this.fakeForHourly());
this.updateWk(this.fakeForWeekly());
};
temp.fakeForHourly = function() {
var temps = [];
for(var i = 0; i < this.chartHrBars; ++i)
temps.push({ tc: (20 * ((i + 1) / this.chartHrBars)) + 15, ts: i.toString() });
return temps;
};
temp.fakeForWeekly = function() {
var wMin = (temp.tcmin - 15) / 15,
wAvg = (temp.tcavg - 20) / 10,
wMax = (temp.tcmax - 20) / 15;
var temps = [];
for(var i = 0; i < this.chartWkBars; ++i)
temps.push({
tcmax: (15 * ((i + 1) / this.chartWkBars)) + 20,
tcavg: (10 * ((i + 1) / this.chartWkBars)) + 20,
tcmin: (15 * ((i + 1) / this.chartWkBars)) + 15,
tw: i.toString(),
});
return temps;
};
window.onload = function() {
temp.lastTemp = document.getElementById('-last-temp');
temp.lastDateTime = document.getElementById('-last-datetime');
temp.chartHr = document.getElementById('-chart-hr');
temp.chartHrBody = temp.chartHr.getElementsByClassName('chart-body')[0];
temp.chartHrLabels = temp.chartHr.getElementsByClassName('chart-labels')[0];
temp.chartWk = document.getElementById('-chart-wk');
temp.chartWkBody = temp.chartWk.getElementsByClassName('chart-body')[0];
temp.chartWkLabels = temp.chartWk.getElementsByClassName('chart-labels')[0];
temp.refreshLatest();
setInterval(temp.refreshLatest.bind(temp), 5 * 60 * 1000);
temp.refreshHr();
setInterval(temp.refreshHr.bind(temp), 15 * 60 * 1000);
temp.refreshWk();
setInterval(temp.refreshWk.bind(temp), 7 * 24 * 60 * 1000);
};
</script>
</body>
</html>
#!/usr/bin/env python3
import hmac
import json
import requests
import time
from sense_hat import SenseHat
HURL='https://flash.moe/temp.php'
HKEY=b'balls'
HOFF=10.8
sh = SenseHat()
temp = sh.get_temperature_from_humidity() - HOFF
time = json.dumps(int(time.time()))
temp = json.dumps(temp)
hash = hmac.digest(HKEY, (temp + '|' + time).encode(), 'sha256').hex()
print(requests.post(HURL, data={
'temp': temp,
'hash': hash,
'time': time,
}).text)
<?php
define('FM_TEMP_KEY', 'balls');
define('FM_TEMP_INT', 10);
ini_set('display_errors', 'on');
error_reporting(-1);
date_default_timezone_set('UTC');
mb_internal_encoding('UTF-8');
try {
$pdo = new PDO('mysql:unix_socket=/var/run/mysqld/mysqld.sock;dbname=website;charset=utf8mb4', 'website', 'balls', [
PDO::ATTR_CASE => PDO::CASE_NATURAL,
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL,
PDO::ATTR_STRINGIFY_FETCHES => false,
PDO::ATTR_EMULATE_PREPARES => false,
PDO::MYSQL_ATTR_INIT_COMMAND => "
SET SESSION
sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION',
time_zone = '+00:00';
",
]);
} catch(Exception $ex) {
http_response_code(500);
echo '<h3>Unable to connect to database</h3>';
die($ex->getMessage());
}
if(isset($_POST['temp']) && isset($_POST['hash']) && isset($_POST['time'])) {
$temp = (string)filter_input(INPUT_POST, 'temp');
$hash = (string)filter_input(INPUT_POST, 'hash');
$time = (string)filter_input(INPUT_POST, 'time', FILTER_SANITIZE_NUMBER_INT);
if(!hash_equals(hash_hmac('sha256', $temp . '|' . $time, FM_TEMP_KEY), $hash))
return;
$time = floor((int)json_decode($time) / FM_TEMP_INT);
if($time !== floor(time() / FM_TEMP_INT))
return;
$insert = $pdo->prepare('INSERT INTO `fm_temperature` (`temp_celcius`) VALUES (:temp)');
$insert->bindValue('temp', (string)json_decode($temp));
$insert->execute();
return;
}
if(isset($_GET['since'])) {
$since = (int)filter_input(INPUT_GET, 'since', FILTER_SANITIZE_NUMBER_INT);
$temps = $pdo->prepare('SELECT `temp_celcius`, UNIX_TIMESTAMP(`temp_datetime`) AS `temp_datetime` FROM `fm_temperature` WHERE `temp_datetime` > FROM_UNIXTIME(:since) AND `temp_datetime` > NOW() - INTERVAL 1 DAY ORDER BY `temp_datetime` ASC LIMIT 288');
$temps->bindValue('since', $since);
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetchAll(PDO::FETCH_ASSOC));
return;
}
if(isset($_GET['since_3mo'])) {
$since = (int)filter_input(INPUT_GET, 'since_3mo', FILTER_SANITIZE_NUMBER_INT);
$temps = $pdo->prepare('SELECT MAX(`temp_celcius`) AS `temp_celcius_max`, AVG(`temp_celcius`) AS `temp_celcius_avg`, MIN(`temp_celcius`) AS `temp_celcius_min`, UNIX_TIMESTAMP(DATE(`temp_datetime`)) AS `temp_datetime` FROM `fm_temperature` WHERE `temp_datetime` > DATE(FROM_UNIXTIME(:since)) AND `temp_datetime` > NOW() - INTERVAL 3 MONTH GROUP BY DATE(`temp_datetime`) ORDER BY `temp_datetime` ASC LIMIT 92');
$temps->bindValue('since', $since);
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetchAll(PDO::FETCH_ASSOC));
return;
}
if(isset($_GET['since_6mo'])) {
$since = (int)filter_input(INPUT_GET, 'since_6mo', FILTER_SANITIZE_NUMBER_INT);
$temps = $pdo->prepare('SELECT MAX(`temp_celcius`) AS `temp_celcius_max`, AVG(`temp_celcius`) AS `temp_celcius_avg`, MIN(`temp_celcius`) AS `temp_celcius_min`, UNIX_TIMESTAMP(DATE(`temp_datetime`)) AS `temp_datetime` FROM `fm_temperature` WHERE `temp_datetime` > DATE(FROM_UNIXTIME(:since)) AND `temp_datetime` > NOW() - INTERVAL 6 MONTH GROUP BY DATE(`temp_datetime`) ORDER BY `temp_datetime` ASC LIMIT 92');
$temps->bindValue('since', $since);
$temps->execute();
header('Content-Type: application/json; charset=utf-8');
echo json_encode($temps->fetchAll(PDO::FETCH_ASSOC));
return;
}
if(!empty($_GET['siri'])) {
header('Content-Type: text/plain; charset=utf-8');
$temps = $pdo->prepare('SELECT `temp_celcius`, UNIX_TIMESTAMP(`temp_datetime`) AS `temp_datetime` FROM `fm_temperature` ORDER BY `temp_datetime` DESC LIMIT 1');
$temps->execute();
$temps = $temps->fetch(PDO::FETCH_ASSOC);
date_default_timezone_set('Europe/Amsterdam');
printf('It was %2$.1f°C at %1$s.', date('H:i:s', $temps['temp_datetime']), $temps['temp_celcius']);
return;
}
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>Room Temperature</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/>
<link href="/css/electrolize/style.css" type="text/css" rel="stylesheet"/>
<style type="text/css">
* {
margin: 0;
padding: 0;
box-sizing: border-box;
position: relative;
outline-style: none;
}
html, body {
width: 100%;
height: 100%;
}
body {
background-color: #111;
color: #fff;
font: 12px/20px Tahoma, Geneva, 'Dejavu Sans', Arial, Helvetica, sans-serif;
padding: 1px;
}
.current {
text-align: center;
background-color: #333;
margin: 10px;
padding: 10px;
border-radius: 10px;
}
.current-temp {
font-family: 'Electrolize', Verdana, 'Dejavu Sans', Arial, Helvetica, sans-serif;
font-size: 3em;
line-height: 1.2em;
}
.current-datetime {
font-size: .9em;
line-height: 1.4em;
}
.chart {
background-color: #ddd;
margin: 10px;
padding: 10px;
border-radius: 10px;
}
</style>
</head>
<body>
<div class="main">
<div class="current">
<div class="current-temp">
<span id="-last-temp">--</span> °C
</div>
<div class="current-datetime">
<span id="-last-datetime">--:--:--</span>
</div>
</div>
<div class="chart">
<canvas id="-chart" width="400" height="170"></canvas>
</div>
<div class="chart">
<canvas id="-chart-mo" width="400" height="170"></canvas>
</div>
</div>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/chart.js@3.3.2/dist/chart.min.js"></script>
<script type="text/javascript">
var temp = {
last: 0,
lastMo: 0,
history: [],
historyMo: [],
lastTemp: null,
lastDateTime: null,
chart: null,
chartMo: null,
};
temp.getLastTemperature = function() {
if(this.history.length === 0)
return {temp_datetime: 0, temp_celcius: 0};
return this.history[this.history.length - 1];
};
temp.refresh = function() {
var xhr = new XMLHttpRequest;
xhr.onload = function() {
var temps = JSON.parse(xhr.responseText);
for(var i = 0; i < temps.length; ++i) {
var temp = temps[i];
this.last = temp.temp_datetime;
this.history.push(temp);
}
this.refreshUI();
}.bind(this);
xhr.open('GET', '/temp2.php?since=' + encodeURIComponent(parseInt(this.last).toString()));
xhr.send();
};
temp.refreshUI = function() {
var temp = this.getLastTemperature();
this.lastTemp.textContent = (parseInt(temp.temp_celcius * 10) / 10).toFixed(1).toLocaleString();
this.lastDateTime.textContent = new Date(temp.temp_datetime * 1000).toLocaleString();
var take = Math.min(288, this.history.length),
dataset = this.chart.data.datasets[0];
this.chart.data.labels = [];
dataset.data = [];
for(var i = this.history.length - take; i < this.history.length; ++i) {
var temp = this.history[i];
this.chart.data.labels.push(new Date(temp.temp_datetime * 1000).toLocaleString());
dataset.data.push(temp.temp_celcius);
}
this.chart.update();
};
temp.refreshMo = function() {
var xhr = new XMLHttpRequest;
xhr.onload = function() {
var temps = JSON.parse(xhr.responseText);
for(var i = 0; i < temps.length; ++i) {
var temp = temps[i];
this.lastMo = temp.temp_datetime;
this.historyMo.push(temp);
}
this.refreshUIMo();
}.bind(this);
xhr.open('GET', '/temp2.php?since_6mo=' + encodeURIComponent(parseInt(this.lastMo).toString()));
xhr.send();
};
temp.refreshUIMo = function() {
var take = Math.min(92, this.historyMo.length),
datasetMax = this.chartMo.data.datasets[0],
datasetAvg = this.chartMo.data.datasets[1],
datasetMin = this.chartMo.data.datasets[2];
this.chart.data.labels = [];
datasetMax.data = [];
datasetAvg.data = [];
datasetMin.data = [];
for(var i = this.historyMo.length - take; i < this.historyMo.length; ++i) {
var temp = this.historyMo[i];
this.chartMo.data.labels.push(new Date(temp.temp_datetime * 1000).toDateString());
datasetMax.data.push(temp.temp_celcius_max);
datasetAvg.data.push(temp.temp_celcius_avg);
datasetMin.data.push(temp.temp_celcius_min);
}
this.chartMo.update();
};
window.onload = function() {
temp.lastTemp = document.getElementById('-last-temp');
temp.lastDateTime = document.getElementById('-last-datetime');
var ctx = document.getElementById('-chart').getContext('2d');
temp.chart = new Chart(ctx, {
type: 'line',
data: {
datasets: [
{
label: 'Temperature',
data: [],
borderColor: '#111',
backgroundColor: '#222',
},
],
},
options: {
responsive: true,
plugins: {
legend: {
position: 'top',
},
title: {
display: true,
text: 'Temperature History',
},
},
scales: {
y: {
suggestedMax: 34,
suggestedMin: 20,
ticks: {
stepSize: 1,
},
},
},
},
});
temp.refresh();
setInterval(temp.refresh.bind(temp), 5 * 60 * 1000);
var ctxMo = document.getElementById('-chart-mo').getContext('2d');
temp.chartMo = new Chart(ctxMo, {
type: 'line',
data: {
datasets: [
{
label: 'Maximum Temperature',
data: [],
borderColor: '#400',
backgroundColor: '#800',
},
{
label: 'Average Temperature',
data: [],
borderColor: '#040',
backgroundColor: '#080',
},
{
label: 'Minimum Temperature',
data: [],
borderColor: '#004',
backgroundColor: '#008',
},
],
},
options: {
responsive: true,
plugins: {
legend: {
position: 'top',
},
title: {
display: true,
text: 'Daily Temperature (6 months)',
},
},
scales: {
y: {
suggestedMax: 34,
suggestedMin: 20,
ticks: {
stepSize: 1,
},
},
},
},
});
temp.refreshMo();
setInterval(temp.refreshMo.bind(temp), 31 * 24 * 60 * 1000);
};
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment