Tue, 22 Jan 2019 22:46:58 +0100
Hops database bool to int types. Dropdown lists are using tables with indexes. Dropdown lists display in Dutch. Save and delete in the database now use POST instead of GET. Removed the useat field. Redesigned the web page. Code cleanup.
<?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;