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  • Committer: Keith Hughitt
  • Date: 2011-06-24 17:59:08 UTC
  • mto: This revision was merged to the branch mainline in revision 589.
  • Revision ID: keith.hughitt@nasa.gov-20110624175908-0bpqp3bf533zc3my
Added initial version of Wordpress widget.

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status/index.php
 
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<?php
 
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    date_default_timezone_set('UTC');
 
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    $dt = new DateTime();
 
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    $now = $dt->format('Y-m-d H:i:s');
 
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?>
 
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<!DOCTYPE html>
 
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<html lang="en">
 
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<head>
 
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    <meta charset="utf-8" />
 
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    <title>Helioviewer.org - Data Monitor</title>
 
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    <link rel="stylesheet" href="status.css" />
 
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    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script>
 
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    <script src="status.js" type="text/javascript"></script>
 
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</head>
 
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<body>
 
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    <div id='main'>
 
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        <div id="header">
 
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        <img src="../resources/images/logos/hvlogo1s_transparent_logo.png" alt="Helioviewer logo" />
 
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        <div id='headerText'>The Helioviewer Project - Data Monitor</div>
 
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        <div id='currentTime'>Current time: <?php echo $now;?></div>
 
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    </div>
 
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    <!-- Legend -->
 
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    <div id='legend-container'>
 
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        <div id='legend'>
 
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            <img class='status-icon' src='icons/status_icon_green.png' alt='green status icon' />
 
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            <span class='status-text'>Up to date</span>
 
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            <img class='status-icon' src='icons/status_icon_yellow.png' alt='yellow status icon' />
 
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            <span class='status-text'>Lagging</span>
 
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            <img class='status-icon' src='icons/status_icon_orange.png' alt='orange status icon' />
 
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            <span class='status-text'>Lagging a lot</span>
 
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            <img class='status-icon' src='icons/status_icon_red.png' alt='red status icon' />
 
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            <span class='status-text'>Uh oh!</span>
 
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            <img class='status-icon' src='icons/status_icon_gray.png' alt='gray status icon' />
 
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            <span>Inactive</span>
 
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        </div>
 
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    </div>
 
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    <table id='statuses'>
 
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    <tr id='status-headers'>
 
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        <th width='100'>Datasource</th>
 
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        <th width='100'>Latest Image</th>
 
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        <th width='50' align='center'>Status <span id='info'>(?)</span></th>
 
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    </tr>    
 
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    <?php
 
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        include_once "../api/src/Database/ImgIndex.php";
 
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        include_once "../api/src/Config.php";
 
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        /**
 
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         * computeStatusLevel
 
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         * 
 
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         * @param {int}    $elapsed
 
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         * @param {string} $inst
 
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         */
 
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        function computeStatusLevel($elapsed, $inst) {
 
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            // Default values
 
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            $t1 = 7200;  // 2 hrs
 
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            $t2 = 14400; // 4 hrs
 
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            $t3 = 43200; // 12 hrs
 
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            $t4 = 604800; // 1 week
 
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            if ($inst == "EIT") {
 
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                $t1 = 12 * 3600;
 
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                $t2 = 24 * 3600;
 
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                $t3 = 48 * 3600;
 
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            } else if ($inst == "LASCO") {
 
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                $t1 = 6 * 3600;
 
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                $t2 = 12 * 3600;
 
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                $t3 = 24 * 3600;
 
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            }
 
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            if ($elapsed <= $t1) {
 
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                return 1;
 
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            } else if ($elapsed <= $t2) {
 
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                return 2;
 
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            } else if ($elapsed <= $t3) {
 
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                return 3;
 
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            } else if ($elapsed <= $t4){
 
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                return 4;
 
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            } else {
 
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                return 5;
 
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            }
 
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        }
 
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        /**
 
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         * getStatusIcon
 
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         * 
 
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         * @var unknown_type
 
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         */
 
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        function getStatusIcon($level) {
 
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            $levels = array(
 
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                1 => "green",
 
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                2 => "yellow",
 
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                3 => "orange",
 
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                4 => "red",
 
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                5 => "gray"
 
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            );
 
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            $icon = "<img class='status-icon' src='icons/status_icon_%s.png' alt='%s status icon' />";
 
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            return sprintf($icon, $levels[$level], $levels[$level]);
 
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        }
 
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        $config = new Config("../settings/Config.ini");
 
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        // Current time
 
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        $now = time();
 
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        $imgIndex = new Database_ImgIndex();
 
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        // Get a list of the datasources grouped by instrument
 
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        $instruments = $imgIndex->getDataSourcesByInstrument();
 
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        $tableRow = "<tr class='%s'><td>%s</td><td>%s</td><td align='center'>%s</td></tr>";
 
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        // Create table of datasource statuses
 
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        foreach($instruments as $name => $datasources) {
 
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            $oldest = array(
 
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                "level"    => 0,
 
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                "datetime" => new DateTime(),
 
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                "icon"     => null
 
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            );
 
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            $maxElapsed = 0;
 
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            $oldestDate = null;
 
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            $subTableHTML = "";
 
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            // Create table row for a single datasource
 
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            foreach($datasources as $ds) {
 
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                // Determine status icon to use
 
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                $date = $imgIndex->getNewestImage($ds['id']);
 
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                $elapsed = $now - strtotime($date);
 
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                $level = computeStatusLevel($elapsed, $name);
 
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                // Create status icon
 
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                $icon = getStatusIcon($level);
 
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                // Convert to human-readable date
 
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                $timestamp = strtotime($date);
 
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                $datetime = new DateTime();
 
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                $datetime->setTimestamp($timestamp);
 
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                // CSS classes for row
 
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                $classes = "datasource $name";
 
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                // create HTML for subtable row
 
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                $subTableHTML .= sprintf($tableRow, $classes, "&nbsp;&nbsp;&nbsp;&nbsp;" . $ds['name'], $datetime->format('M j H:i:s'), $icon);
 
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                // If the elapsed time is greater than previous max store it
 
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                if ($datetime < $oldest['datetime']) {
 
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                    $oldest = array(
 
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                        'level'   => $level,
 
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                        'datetime' => $datetime,
 
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                        'icon'     => $icon
 
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                    );
 
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                }
 
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            }
 
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            // Ignore datasources with no data
 
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            if ($oldest['datetime']) {
 
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                $datetime = $oldest['datetime'];
 
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                printf($tableRow, "instrument", $name, $datetime->format('M j H:i:s'), $oldest['icon']);
 
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                print($subTableHTML);
 
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            }
 
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        }
 
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    ?>
 
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    </table>
 
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    </div>
 
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</body>
 
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</html>