Implement ical feed for contingents

public/typo3conf/ext/ep_products/Classes/Controller/AjaxContingentController.php

@@ -27,10 +27,13 @@ namespace EP\EpProducts\Controller;
  *  This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+use EP\EpProducts\Domain\Model\Contingent;
 use EP\EpProducts\Domain\Model\Hotel;
 use EP\EpProducts\Domain\Model\Product;
 use EP\EpProducts\Domain\Repository\ContingentRepository;
 use EP\EpProducts\Service\ContingentDataService;
+use Kigkonsult\Icalcreator\Vcalendar;
+use League\Period\Period;
 use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
 
 class AjaxContingentController extends ActionController
@@ -100,4 +103,52 @@ class AjaxContingentController extends ActionController
         return \json_encode($rooms);
     }
 
+    /**
+     * @param Hotel $hotel
+     * @param string $year
+     * @param string $month
+     * @param int $months
+     */
+    public function icalAction(Hotel $hotel)
+    {
+        $range = Period::after(new \DateTime('now'), '1 year');
+
+        $events = $this->contingentRepository->getEvents(
+            \DateTime::createFromImmutable($range->getStartDate()),
+            \DateTime::createFromImmutable($range->getEndDate()),
+            ['hotel' => $hotel]
+        );
+
+        $vcalendar = Vcalendar::factory([ Vcalendar::UNIQUE_ID => 'www.ep-reisen.de' ]);
+
+        foreach ($events as $event) {
+            /** @var Contingent $event */
+            $paxTotal = $event->getPax();
+            $paxAvaiable = $event->getAvailable();
+
+            if ($paxTotal > 0) {
+                $percentageBooked = round($paxAvaiable / $paxTotal * 100);
+            } else {
+                $percentageBooked = 100;
+            }
+
+            if ($percentageBooked >= 75) {
+                $dtStart = $event->getBegin();
+                $dtEnd = clone $event->getBegin();
+                $dtEnd->modify('+1 day');
+                $vcalendar
+                    ->newVevent()
+                    ->setDtstart($dtStart)
+                    ->setDtend($dtEnd)
+                    ->setSummary('Unavailable')
+                    ->setDescription(sprintf('Unavailable on %s', $dtStart->format('d M Y')))
+                ;
+            }
+        }
+
+
+
+        return $vcalendar->vtimezonePopulate()->createCalendar();
+    }
+
 }

public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript

@@ -128,6 +128,7 @@ tx_epproducts_ajax_json {
             AjaxContingent {
                 1 = list
                 2 = rooms
+                3 = ical
             }
             AjaxWatchlist {
                 1 = list
@@ -144,6 +145,37 @@ tx_epproducts_ajax_html < tx_epproducts_ajax_json
 tx_epproducts_ajax_html.typeNum = 1702
 tx_epproducts_ajax_html.config.additionalHeaders.10.header = Content-type:text/html
 
+tx_epproducts_ical = PAGE
+tx_epproducts_ical {
+    typeNum = 1710
+    config {
+        disableAllHeaderCode = 1
+        disablePrefixComment = 1
+        additionalHeaders.1.header = Cache-Control: no-cache, no-store, must-revalidate
+        additionalHeaders.10.header = Content-type: text/calendar
+        additionalHeaders.20.header = Content-disposition: attachment; filename=ep-reisen.ical
+        xhtml_cleaning = 0
+        admPanel = 0
+        debug = 0
+        no_cache = 1
+    }
+
+    10 = USER_INT
+    10 {
+        userFunc = TYPO3\CMS\Extbase\Core\Bootstrap->run
+        extensionName = EpProducts
+        pluginName = ical
+        vendorName = EP
+        controller = AjaxContingent
+        action = ical
+        switchableControllerActions {
+            AjaxContingent {
+                1 = ical
+            }
+        }
+    }
+}
+
 lib.bookingWidget = USER
 lib.bookingWidget {
     userFunc = TYPO3\CMS\Extbase\Core\Bootstrap->run

public/typo3conf/ext/ep_products/ext_localconf.php

@@ -358,6 +358,17 @@ $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\EP\EpProducts\T
     ]
 );
 
+\TYPO3\CMS\Extbase\Utility\ExtensionUtility::configurePlugin(
+    'EP.' . $_EXTKEY,
+    'ical',
+    [
+        'AjaxContingent' => 'ical',
+    ],
+    [
+        'AjaxContingent' => 'ical',
+    ]
+);
+
 $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['cms/layout/class.tx_cms_layout.php']['tt_content_drawItem']['ep_products'] =
     \EP\EpProducts\Hook\PageLayoutView::class;