html/counterset.php

   1 <?php
   2 require_once("ampy.inc.php");
   3
   4 if (!empty($_POST['counter'])) {
   5         ampy_set_counter($_POST['counter']);
   6         echo("New value recorded!");
   7 }
   8
   9 $counter_mtime = ampy_get_old_counter_info();
  10 $counter = $counter_mtime[0];
  11 $mtime = $counter_mtime[1];
  12 $kwh_since = ampy_get_kwh_since($mtime);
  13 ?>
  14
  15 <script>
  16 timestamp=<?php echo($mtime); ?>*1000;
  17 counter=<?php echo($counter); ?>;
  18 kwh_since=<?php echo($kwh_since); ?>;
  19
  20 function userchanged(value) {
  21         value=parseFloat(value);
  22         valuechange = value-counter;
  23         document.getElementById('valuechange').innerHTML = valuechange;
  24         errorvalue = (valuechange-kwh_since)/kwh_since;
  25         errorvalue = (errorvalue*100).toFixed(2);
  26         if (errorvalue > 0)
  27                 errorvalue = '+' + errorvalue;
  28         document.getElementById('errorvalue').innerHTML = errorvalue + '%';
  29 }
  30
  31 </script>
  32
  33 <h1>Counter set</h1>
  34 <fieldset>
  35         <legend>Last known value</legend>
  36
  37         Time: <script>document.write(new Date(timestamp));</script><br>
  38         Value: <?php echo($counter); ?> kWh<br>
  39 </fieldset>
  40
  41 <form method=post>
  42 <fieldset>
  43         <legend>New value</legend>
  44
  45         <input name=counter oninput="userchanged(this.value);" value="<?php echo($counter+$kwh_since); ?>">
  46         <input type=submit value=Save>
  47 </fieldset>
  48 </form>
  49
  50 <fieldset>
  51         <legend>Error correction</legend>
  52
  53         Expected value: <script>document.write(counter+kwh_since);</script> kWh<br>
  54         Expected value since last update: <script>document.write(kwh_since);</script> kWh<br>
  55         Value since laste update: <span id=valuechange>N/A</span><br>
  56         Error: <span id=errorvalue>N/A</span>
  57 </fieldset>
  58
  59 <script>
  60 </script>