#47: Add single-section XML view.

config/services.yaml

@@ -46,6 +46,10 @@ services:
         tags:
             - { name: 'twig.extension' }
 
+    App\Twig\DateRangeFormatter:
+        tags:
+            - { name: 'twig.extension' }
+
     # Service aliases.
     osid.runtime:
         class: App\Service\Osid\Runtime

src/Controller/Offerings.php

@@ -13,7 +13,7 @@
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
-
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
 /**
  * A controller for working with courses.
@@ -697,13 +697,22 @@ protected function viewBase($idString)
 
         $data['title'] = $offering->getDisplayName();
 
+        $data['previousTerm'] = NULL;
         $data['term'] = $offering->getTerm();
+        $data['nextTerm'] = NULL;
+        $data['terms'] = NULL;
 
         $data['location'] = NULL;
         if ($offering->hasLocation()) {
             $data['location'] = $offering->getLocation();
         }
 
+        $data['weekly_schedule'] = NULL;
+        $weeklyScheduleType = new \phpkit_type_URNInetType('urn:inet:middlebury.edu:record:weekly_schedule');
+        if ($offering->hasRecordType($weeklyScheduleType)) {
+            $data['weekly_schedule'] = $offering->getCourseOfferingRecord($weeklyScheduleType);
+        }
+
         // Instructors
         $data['instructors'] = NULL;
         $instructorsType = new \phpkit_type_URNInetType('urn:inet:middlebury.edu:record:instructors');
@@ -717,9 +726,11 @@ protected function viewBase($idString)
         }
 
         // Alternates.
+        $data['is_primary'] = TRUE;
         $data['alternates'] = NULL;
         if ($offering->hasRecordType($this->getAlternateType())) {
             $record = $offering->getCourseOfferingRecord($this->getAlternateType());
+            $data['is_primary'] = $record->isPrimary();
             if ($record->hasAlternates()) {
                 $data['alternates'] = [];
                 $alternates = $record->getAlternates();
@@ -758,25 +769,19 @@ protected function viewBase($idString)
         return $data;
     }
 
-    /**
-     * Answer search results as an xml feed.
-     *
-     * @return void
-     *
-     * @since 10/21/09
-     */
-    public function viewxmlAction()
+    #[Route('/offerings/viewxml/{id}', name: 'view_offering_xml')]
+    public function viewxmlAction($id)
     {
-        $this->_helper->layout->disableLayout();
-        $this->_helper->viewRenderer->setRender('searchxml');
-        $this->getResponse()->setHeader('Content-Type', 'text/xml');
+        $data = $this->viewBase($id);
 
-        $this->viewBase();
+        $data['feedLink'] = $this->generateUrl('view_offering', ['id' => $id], UrlGeneratorInterface::ABSOLUTE_URL);
 
-        $this->view->feedTitle = $this->view->title;
-        $this->view->feedLink = $this->_helper->pathAsAbsoluteUrl('/offerings/view/'.$catalog.'/offering/'.$this->_getParam('offering'));
-        $this->view->sections = new \phpkit_course_ArrayCourseOfferingList([$this->view->offering]);
-        $this->postDispatch();
+
+        $data['sections'] = [$data['offering']];
+
+        $response = new Response($this->renderView('offerings/search.xml.twig', $data));
+        $response->headers->set('Content-Type', 'text/xml; charset=utf-8');
+        return $response;
     }
 
     protected function getAlternateType() {

src/Service/Osid/IdMap.php

@@ -50,4 +50,44 @@ public function toString(\osid_id_Id $id)
             return \phpkit_id_URNInetId::getInetURNString($id);
         }
     }
+
+    /**
+     * Get and OSID Type object from a string.
+     *
+     * @param string $typeString
+     *
+     * @return osid_type_Type
+     *
+     * @since 4/21/09
+     */
+    public function typeFromString($typeString)
+    {
+        try {
+            return new \phpkit_type_URNInetType($typeString);
+        } catch (\osid_InvalidArgumentException $e) {
+            if ($this->getIdAuthorityToShorten()) {
+                return new \phpkit_type_Type($this->getIdAuthorityToShorten(), 'urn', $typeString);
+            } else {
+                throw $e;
+            }
+        }
+    }
+
+    /**
+     * Answer a string representation of an OSID type object.
+     *
+     * @return string
+     *
+     * @since 4/21/09
+     */
+    public function typeToString(\osid_type_Type $type)
+    {
+        if ($this->getIdAuthorityToShorten()
+                && 'urn' == strtolower($type->getIdentifierNamespace())
+                && strtolower($type->getAuthority()) == $this->getIdAuthorityToShorten()) {
+            return $type->getIdentifier();
+        } else {
+            return \phpkit_type_URNInetType::getInetURNString($type);
+        }
+    }
 }

src/Twig/DateRangeFormatter.php

@@ -0,0 +1,24 @@
+<?php
+
+// src/Twig/AppExtension.php
+namespace App\Twig;
+
+use App\Service\Osid\IdMap;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class DateRangeFormatter extends AbstractExtension
+{
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('dateRangeToWeeks', [$this, 'dateRangeToWeeks']),
+        ];
+    }
+
+    public function dateRangeToWeeks(\Date|\DateTime $start, \Date|\DateTime $end): int
+    {
+        return ceil(abs($end->format('U') - $start->format('U'))/60/60/24/7);
+    }
+}

src/Twig/OsidIdExtension.php

@@ -30,11 +30,17 @@ public function getFunctions(): array
     {
         return [
             new TwigFunction('osidIdToString', [$this, 'osidIdToString']),
+            new TwigFunction('osidTypeToString', [$this, 'osidTypeToString']),
         ];
     }
 
     public function osidIdToString(\osid_id_Id $id): string
     {
         return $this->idMap->toString($id);
     }
+
+    public function osidTypeToString(\osid_type_Type $type): string
+    {
+        return $this->idMap->typeToString($type);
+    }
 }