process/show: provide a download link

refs #8578

application/controllers/ProcessController.php

@@ -2,10 +2,27 @@
 
 use Icinga\Module\Businessprocess\Controller;
 use Icinga\Module\Businessprocess\Storage\LegacyStorage;
-use Exception;
+use \Exception;
 
 class Businessprocess_ProcessController extends Controller
 {
+    public function downloadAction()
+    {
+        $bp = $this->loadBp();
+        header(
+            sprintf(
+                'Content-Disposition: attachment; filename="%s.conf";',
+                $bp->getName()
+            )
+        );
+        header('Content-Type: text/plain');
+
+        echo $bp->toLegacyConfigString();
+        // Didn't have time to lookup how to correctly disable our renderers
+        // TODO: no exit :)
+        exit;
+    }
+
     public function showAction()
     {
         if ($this->getRequest()->isPost()) {

application/views/scripts/downloadlink.phtml

@@ -0,0 +1,4 @@
+  <a href="<?= $this->url('businessprocess/process/download', array(
+'process' => $this->processName
+)) ?>" target="_self" title="<?= $this->escape('Download process configuration') ?>"><?= $this->icon('download') ?></a>
+

application/views/scripts/process/show.phtml

@@ -5,6 +5,7 @@
   <a href="<?= $this->url()->with('mode', 'toplevel') ?>" title="<?= $this->escape('Switch to toplevel view') ?>"><?= $this->icon('dashboard') ?></a>
   <?= $this->render('simulationlink.phtml') ?>
   <?= $this->render('editlink.phtml') ?>
+  <?= $this->render('downloadlink.phtml') ?>
 </h1>
 </div>
 <?php endif ?>

application/views/scripts/process/toplevel.phtml

@@ -13,10 +13,12 @@ if ($count < 20) {
 ?>
 <?php if (! $this->compact): ?>
 <div class="controls">
+<?= $this->tabs ?>
   <h1><?= $this->escape($this->title) ?>
   <a href="<?= $this->url()->without('mode') ?>" title="<?= $this->escape('Switch to tree view') ?>" style="float: right"><?= $this->icon('sitemap') ?></a>
   <?= $this->render('simulationlink.phtml') ?>
   <?= $this->render('editlink.phtml') ?>
+  <?= $this->render('downloadlink.phtml') ?>
   </h1>
 </div>
 <?php endif ?>