107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
<?php
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include('settings/globals.php');
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header('Content-Type: application/json');
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$conn = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
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// Check connection
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if (!$conn) {
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die("Connection failed: " . mysqli_connect_error());
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}
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$sql = 'SELECT UNIX_TIMESTAMP(date),id,dispTemperature,weatherTemperature,heatSetPoint,coolSetPoint,systemSwitchPosition from stat';
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$result = $conn->query($sql);
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if (!$result) {
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printf("Errormessage: %s\n", $conn->error);
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}
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$rows = array();
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while($r = mysqli_fetch_assoc($result)) {
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$r['date'] = $r['UNIX_TIMESTAMP(date)'];
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unset($r['UNIX_TIMESTAMP(date)']);
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$rows[] = $r;
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}
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// print("<pre>");
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// print_r($rows);
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$startTime = -1;
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$startTemp = NULL;
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$startSetPoint = NULL;
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$targetSetPoint = NULL;
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$heat_up = NULL;
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$heat_down = NULL;
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$cool_up = NULL;
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$cool_down = NULL;
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$type = NULL;
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//Start at index 1 so index 0 is the prior one
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for($i = 1; $i < count($rows); $i++){
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$now = $rows[$i];
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$last= $rows[$i-1];
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// echo $startTime;
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// print_r($now);
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switch ($now['systemSwitchPosition']){
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case 1:
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// heating
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$setPoint = 'heatSetPoint';
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break;
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case 3:
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// cooling
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$setPoint = 'coolSetPoint';
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break;
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default:
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//AUTOCOOL: 5, AUTOHEAT: 4, EMHEAT: 0, OFF: 2, SOUTHERN_AWAY: 6, UNKNOWN: 7
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$setPoint = NULL;
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break;
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}
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if($setPoint){
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if($startTime == -1){
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if($now[$setPoint] <> $last[$setPoint]){
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if($setPoint == 'heatSetPoint' && $now[$setPoint] > $now['dispTemperature'] ||
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$setPoint == 'coolSetPoint' && $now[$setPoint] < $now['dispTemperature']){
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// print "Temperature started to change and is different!";
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$startTime = $now['date'];
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$startTemp = $now['dispTemperature'];
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$startSetPoint = $last[$setPoint];
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$targetSetPoint = $now[$setPoint];
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if($now[$setPoint] > $last[$setPoint]){
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$type = "up";
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} else {
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$type = "down";
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}
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}
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}
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} else{
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//looking for end
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if($now['dispTemperature'] == $targetSetPoint || $now[$setPoint] <> $targetSetPoint){
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$changeTime = ($now['date']-$startTime)/60;
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$changeTemp = abs($startTemp - $now['dispTemperature']);
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$outside = $now['weatherTemperature'];
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$minperdeg = $changeTime/$changeTemp;
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if(!$minperdeg){
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$minperdeg = 0;
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}
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if($setPoint == 'heatSetPoint'){
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if($type == "up"){
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$heat_up[] = [$minperdeg,intval($outside)];
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} else{
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$heat_down[] = [$minperdeg,intval($outside)];
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}
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} else if($setPoint == 'coolSetPoint'){
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if($type == "up"){
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$cool_up[] = [$minperdeg,intval($outside)];
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} else{
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$cool_down[] = [$minperdeg,intval($outside)];
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}
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}
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$startTime = -1;
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}
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}
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}
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}
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$return = [$heat_up, $heat_down, $cool_up, $cool_down];
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print json_encode($return);
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$conn->close();
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?>
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