www/getfermentlog.php

Sat, 26 Jan 2019 19:24:36 +0100

author
Michiel Broek <mbroek@mbse.eu>
date
Sat, 26 Jan 2019 19:24:36 +0100
changeset 211
63d0e40c58b9
parent 194
d202777ebae5
child 296
69fadd1aded2
permissions
-rw-r--r--

Water profile uses POST instead of GET. Added tooltips to the editor screen. Updated the editor screen. Total alkalinity and Bicarbonate update each other. More and smaller columns in the listing screen. Rearranged the editor screen.

<?php

require_once('config.php');

if (isset($_GET["code"]))
	$code = $_GET["code"] . ' ' . $_GET["name"];
else
	$code = "TB0015 Winterbier-2";

$filename = 'log/fermentation/' . $code . '.log';
/*
 * From Stackoverflow, the fastest way to count the lines in a file.
 */
$file = new \SplFileObject($filename, 'r');
$file->seek(PHP_INT_MAX);
// $file->key() = lines in the file.

define ('MAX_INTERVALS', 10);
$GRAPH_INTERVAL = array ( 0, 1, 5, 15, 30, 60, 120, 240, 480, 720 );
$GRAPH_DATALINES = array ( 0, 800, 3200, 12000, 24000, 48000, 96000, 192000, 384000, 768000 );


for ($graphstep = 1; $graphstep <= MAX_INTERVALS; $graphstep++) {
	if ($file->key() < $GRAPH_DATALINES[$graphstep])
		break;
}
if ($graphstep > MAX_INTERVALS)
	$graphstep = MAX_INTERVALS;

//echo $code . '.log lines=' . $file->key() . ' interval=' . $GRAPH_INTERVAL[$graphstep] . ' graphstep=' . $graphstep . PHP_EOL;

/*
 * 2014-11-15 18:39,BEER,PRIMARY,20.312,19.750,-1.500,20.5,18.6,18.8,35,12345,0,67890,Whatsup
 *          |         |     |      |      |      |      |    |    |   |   |   |   |      |
 * datetime +         |     |      |      |      |      |    |    |   |   |   |   |      |
 * mode --------------+     |      |      |      |      |    |    |   |   |   |   |      |
 * stage -------------------+      |      |      |      |    |    |   |   |   |   |      |
 * temp air -----------------------+      |      |      |    |    |   |   |   |   |      |
 * temp beer -----------------------------+      |      |    |    |   |   |   |   |      |
 * temp chiller ---------------------------------+      |    |    |   |   |   |   |      |
 * temp room -------------------------------------------+    |    |   |   |   |   |      |
 * setpoint low ---------------------------------------------+    |   |   |   |   |      |
 * setpoint high -------------------------------------------------+   |   |   |   |      |
 * heater power ------------------------------------------------------+   |   |   |      |
 * heater usage ----------------------------------------------------------+   |   |      |
 * cooler power --------------------------------------------------------------+   |      |
 * cooler usage ------------------------------------------------------------------+      |
 * event --------------------------------------------------------------------------------+
 */

$heater_l = 0;
$cooler_l = 0;

$handle = @fopen($filename, "r");
if ($handle) {
	$lines = 0;
	while (($buffer = fgets($handle, 4096)) !== false) {

		$buffer = preg_replace( "/\r|\n/", "", $buffer);
		$row = explode(",", $buffer);
		if ($row[1] != 'Mode') {

			$hr = intval(substr($buffer, 11, 2));
			if ((($graphstep == 1)) ||
			    (($graphstep == 2) && ((substr($buffer, 15, 1) == '0') || (substr($buffer, 15, 1) == '5'))) ||
			    (($graphstep == 3) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '15') ||
						   (substr($buffer, 14, 2) == '30') || (substr($buffer, 14, 2) == '45'))) ||
			    (($graphstep == 4) && ((substr($buffer, 14, 2) == '00') || (substr($buffer, 14, 2) == '30'))) ||
			    (($graphstep == 5) && (substr($buffer, 14, 2) == '00')) ||
			    (($graphstep == 6) && (substr($buffer, 14, 2) == '00') && (($hr % 2) == 0)) ||
			    (($graphstep == 7) && (substr($buffer, 14, 2) == '00') && (($hr % 4) == 0)) ||
			    (($graphstep == 8) && (substr($buffer, 14, 2) == '00') && (($hr % 8) == 0)) ||
			    (($graphstep == 9) && (substr($buffer, 14, 2) == '00') && (($hr % 12) == 0))) {
//				echo $hr . ' ' . $row[1] . ' ' . $buffer;
				$lines++;

				$heat_used = $cool_used = 0;
				if ($row[10] && ($row[10] != "NA") && ($heater_l > 0)) {
					$heat_used = round((intval($row[10]) - $heater_l) * 100 / ($GRAPH_INTERVAL[$graphstep] * 60));
				}
				if ($row[12] && ($row[12] != "NA") && ($cooler_l > 0)) {
					$cool_used = round((intval($row[12]) - $cooler_l) * 100 / ($GRAPH_INTERVAL[$graphstep] * 60));
				}


//				echo $GRAPH_INTERVAL[$graphstep] . ' ' . $heat_used . ' ' . $cool_used . PHP_EOL;

				if (($heat_used <= 100) && ($cool_used <= 100)) {
					$logs[] = array(
						'date' => $row[0],
						'air' => $row[3],
						'beer' => $row[4],
						'chiller' => $row[5],
						'room' => $row[6],
						'tlo' => $row[7],
						'thi' => $row[8],
						'heater' => $heat_used,
						'cooler' => $cool_used,
						'event' => $row[13]
					);
				}

				if ($row[10] && ($row[10] != "NA"))
					$heater_l = intval($row[10]);
				if ($row[12] && ($row[12] != "NA"))
					$cooler_l = intval($row[12]);
			}
		}

	}
	if (!feof($handle)) {
		echo "Error: unexpected fgets() fail\n";
	}
	fclose($handle);
}

echo json_encode($logs);
//echo $lines . ' lines' . PHP_EOL;

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