dashboard: Reimplement export support

include/staff/dashboard.inc.php

@@ -11,10 +11,10 @@ $plots = $report->getPlotData();
 
 <link rel="stylesheet" type="text/css" href="css/dashboard.css"/>
 
+<form method="post" action="dashboard.php">
 <div id="basic_search">
     <div style="min-height:25px;">
         <!--<p><?php //echo __('Select the starting time and period for the system activity graph');?></p>-->
-        <form method="post" action="dashboard.php">
             <?php echo csrf_token(); ?>
             <label>
                 <?php echo __( 'Report timeframe'); ?>:
@@ -45,7 +45,6 @@ $plots = $report->getPlotData();
                 <?php echo __( 'Refresh');?>
             </button>
             <i class="help-tip icon-question-sign" href="#report_timeframe"></i>
-        </form>
     </div>
 </div>
 <div class="clear"></div>
@@ -109,10 +108,15 @@ foreach ($groups as $g=>$desc) {
     }
     $first = false; ?>
     </tbody></table>
+    <div style="margin-top: 5px"><button type="submit" class="link button" name="export"
+        value="<?php echo Format::htmlchars($g); ?>">
+        <i class="icon-download"></i>
+        <?php echo __('Export'); ?></a></div>
     </div>
 <?php
 }
 ?>
+</form>
 <script>
     $.drawPlots(<?php echo JsonDataEncoder::encode($report->getPlotData()); ?>);
 </script>

scp/css/scp.css

@@ -13,13 +13,14 @@ body, html {
     padding:0;
 }
 
+.button.link,
 a {
     color:#184E81;
     text-decoration:none;
     display: inline-block;
 }
 
-a:hover {
+a:hover, .button.link:hover {
     text-decoration: underline;
 }
 
@@ -487,6 +488,7 @@ a {
 }
 table.dashboard-stats {
     text-align:right;
+    border-bottom: 2px solid #ddd;
 }
 table.dashboard-stats tbody:first-child th {
     border-bottom:1px dashed #ddd;
@@ -1808,6 +1810,14 @@ select + .button {
     box-shadow: 0 0 0 2px rgba(255,255,255,0.7) inset;
     color: white;
 }
+.link.button, .link.button:hover, .link.button:active {
+    border: none;
+    box-shadow: none;
+    background-color: transparent;
+    color:#184E81;
+    padding: 0;
+    font-size: inherit;
+}
 
 .light .button:hover,
 .white.button {

scp/dashboard.php

@@ -17,6 +17,31 @@ require('staff.inc.php');
 
 require_once INCLUDE_DIR . 'class.report.php';
 
+if ($_POST['export']) {
+    $report = new OverviewReport($_POST['start'], $_POST['period']);
+    switch (true) {
+    case ($data = $report->getTabularData($_POST['export'])):
+        $ts = strftime('%Y%m%d');
+        $group = Format::slugify($_POST['export']);
+        $delimiter = ',';
+        if (class_exists('NumberFormatter')) {
+            $nf = NumberFormatter::create(Internationalization::getCurrentLocale(),
+                NumberFormatter::DECIMAL);
+            $s = $nf->getSymbol(NumberFormatter::DECIMAL_SEPARATOR_SYMBOL);
+            if ($s == ',')
+                $delimiter = ';';
+        }
+
+        Http::download("stats-$group-$ts.csv", 'text/csv');
+        $output = fopen('php://output', 'w');
+        fputs($output, chr(0xEF) . chr(0xBB) . chr(0xBF));
+        fputcsv($output, $data['columns'], $delimeter);
+        foreach ($data['data'] as $row)
+            fputcsv($output, $row, $delimeter);
+        exit;
+    }
+}
+
 $nav->setTabActive('dashboard');
 $ost->addExtraHeader('<meta name="tip-namespace" content="dashboard.dashboard" />',
     "$('#content').data('tipNamespace', 'dashboard.dashboard');");