graph: Added support for days and steps

diff --git a/html/graph.php b/html/graph.php
index 9f6f4e70e9472e6ef806b59b3b37dba970c7de1c..34f73ba30a2b2ee2e36ffb040b7d7880d48e37d0 100644 (file)
--- a/html/graph.php
+++ b/html/graph.php
@@ -4,14 +4,16 @@ require("config.php");
 
 $IMGFILE="/tmp/power.svg";
 
+$days = array_key_exists('d', $_REQUEST) ? (int)$_REQUEST['d'] : 0;
 $hours = array_key_exists('h', $_REQUEST) ? (int)$_REQUEST['h'] : 0;
 $minutes = array_key_exists('m', $_REQUEST) ? (int)$_REQUEST['m'] : 0;
-if (!$hours && !$minutes)
+if (!$days && !$hours && !$minutes)
        $hours = 1;
+$step = array_key_exists('step', $_REQUEST) ? (int)$_REQUEST['step'] : 0;
 $params = [
        "--daemon", RRDSOCK,
        "--imgformat", "SVG",
-       "-s", "now-".$hours."h".$minutes."m",
+       "-s", "now-".$days."d".$hours."h".$minutes."m",
        "--width", "".IMGWIDTH,
        "--height", "".IMGHEIGHT,
        "--vertical-label", "watts",
@@ -29,6 +31,10 @@ $params = [
        #"LINE:maxwatts#0000FF",
        #"GPRINT:maxwatts:Max %6.2lf %sW",
 ];
+if ($step) {
+       $params[] = '--step';
+       $params[] = "$step";
+}
 
 /*header("Content-Type: text/plain");
 foreach ($params as $param) echo(escapeshellarg($param)." ");
@@ -42,6 +48,6 @@ if ($result === FALSE) {
 }
 header("Content-Type: image/svg+xml");
 header("Cache-Control: no-cache, max-age=0, must-revalidate");
-header("Refresh: ".(60*(60*$hours)+$minutes)/IMGWIDTH);
+header("Refresh: ".(60*(60*(24*$days+$hours))+$minutes)/IMGWIDTH);
 readfile($IMGFILE);
 ?>