mirror of
https://github.com/skaringa/water-counter.git
synced 2024-11-22 01:14:24 +01:00
151 lines
3.0 KiB
Perl
Executable File
151 lines
3.0 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# CGI script to create a table of values from RRD
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use CGI qw(:all *table *Tr);
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use RRDs;
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use POSIX qw(strftime);
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use POSIX qw(locale_h);
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$ENV{'LANG'}='de_DE.UTF-8';
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setlocale(LC_TIME, 'de_DE.UTF-8');
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# path to database
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$rrdb='../../water-counter/water.rrd';
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$query=new CGI;
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#$query=new CGI("type=consumweek");
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print header(-charset=>"utf-8");
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$type=$query->param('type');
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if ($type !~ /(count|consum)(day|week|month|year)/) {
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print "Invalid type\n";
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exit;
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}
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$sensor=$1;
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$range=$2;
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#print "Sensor: $sensor Range: $range\n";
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$timeformat="%a, %d. %b %Y";
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$resolution=24*60*60;
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if ($range eq 'day') {
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$resolution=60*60;
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$timeformat="%a, %d. %b %Y %H:%M";
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} elsif ($range eq 'year') {
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$resolution=7*24*60*60;
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$timeformat="Wo %d. %b %Y";
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}
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if ($range eq 'day') {
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@factors = (1.0, 60000.0); # consumption in l/min
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@headings = ('m³', 'l/min');
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@formats = ('%7.3f', '%3.1f');
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} else {
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@factors = (1.0, 60000.0*60*24); # consumption l/day
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@headings = ('m³', 'l/d');
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@formats = ('%7.3f', '%4.0f');
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}
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($laststart,$laststep,$lastnames,$lastdata) = getdata($rrdb, 'LAST', $resolution, $range);
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($avrstart,$avrstep,$avrnames,$avrdata) = getdata($rrdb, 'AVERAGE', $resolution, $range);
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# print result
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# print heading
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$style=<<END;
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<!--
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body {
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font: 10px/16px verdana, arial, helvetica, sans-serif;
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background-color: white;
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color: black;
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}
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th, td {
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border-width: 1px 1px 0px 0px;
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border-style: solid;
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border-color: #998DB3;
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text-align: right;
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width: 50px;
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}
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th {
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background-color: lightgreen;
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font-weight: normal;
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}
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thead {
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position: fixed;
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top: 0px;
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background-color: white;
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z-index: 1;
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}
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tbody {
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position: absolute;
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top: 30px;
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z-index: -1;
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}
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.mindata {
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color: blue;
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}
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.maxdata {
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color: red;
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}
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.time {
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color: black;
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text-align: left;
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width: 100px;
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}
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-->
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END
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print start_html(-title=>"Wasserverbrauch",
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-style=>{-code=>$style},
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-meta=>{"viewport"=>"initial-scale=1, minimum-scale=0.75, width=device-width"}
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);
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print start_table();
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print "\n";
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print thead(Tr(th({-class=>'time'}, ' '), th([@headings])));
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print "\n";
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# print data
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$avrstart -= 12*60*60 unless $timeformat =~ / %H:%M$/;
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for $avrline (@$avrdata) {
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$lastline = shift(@$lastdata);
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print start_Tr({-class=>'avrdata'});
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print td({-class=>'time'}, strftime($timeformat, localtime($avrstart)));
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print formatline(@$lastline[0], @$avrline[1]);
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print end_Tr;
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print "\n";
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$avrstart += $avrstep;
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}
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print end_table();
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print end_html;
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sub getdata {
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my ($db, $cf, $resolution, $range) = @_;
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my $sarg = "now -1 $range";
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if ($range eq 'month') {
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$sarg = "now - 30 days";
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}
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my ($start,$step,$names,$data) = RRDs::fetch($db, $cf, '-r', $resolution, '-s', $sarg, '-e', 'now');
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# check error
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my $err=RRDs::error;
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print "$err\n" if $err;
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exit if $err;
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return ($start,$step,$names,$data);
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}
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sub formatline {
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my $str = '';
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my $i = 0;
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for $val (@_) {
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if (defined $val) {
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$str .= td(sprintf $formats[$i], $val * $factors[$i]);
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} else {
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$str .= td;
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}
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$i++;
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}
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return $str;
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}
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