1 files changed, 151 insertions, 0 deletions
diff --git a/lib/classes/JsonApi/Schemas/CourseOfStudy.php b/lib/classes/JsonApi/Schemas/CourseOfStudy.php
new file mode 100644
index 0000000..0e6a0a3
--- /dev/null
+++ b/lib/classes/JsonApi/Schemas/CourseOfStudy.php
@@ -0,0 +1,151 @@
+<?php
+namespace JsonApi\Schemas;
+
+use Neomerx\JsonApi\Contracts\Schema\ContextInterface;
+use Neomerx\JsonApi\Schema\Link;
+
+class CourseOfStudy extends SchemaProvider
+{
+    const REL_SECTIONS = 'sections';
+    const REL_INSTITUTE = 'institute';
+    const REL_COMPONENTS = 'components';
+    const REL_DEGREE = 'degree';
+    const REL_END_SEMESTER = 'end-semester';
+    const REL_START_SEMESTER = 'start-semester';
+    const TYPE = 'courses-of-study';
+
+    public function getId($resource): ?string
+    {
+        return $resource->id;
+    }
+
+    public function getAttributes($resource, ContextInterface $context): iterable
+    {
+        return [
+            'display-name' => (string) $resource->getDisplayName(),
+            'name' => (string) $resource->name,
+            'short-name' => (string) $resource->name_kurz,
+            'type' => (string) $resource->typ,
+            'status' => (string) $resource->stat,
+            'status-name' => \Config::get()->MVV_STUDIENGANG['STATUS']['values'][$resource->stat]['name'] ?? '',
+            'classname' => get_class($resource)
+        ];
+    }
+
+    public function getRelationships($resource, ContextInterface $context): iterable
+    {
+        $relationships = [];
+
+        $institute = \Institute::find($resource->institut_id);
+        if ($institute) {
+            $relationships[self::REL_INSTITUTE] = $this->getInstitute($resource, $this->shouldInclude($context, self::REL_INSTITUTE));
+        }
+
+        if ($semester = $this->getStartSemester($resource)) {
+            $relationships[self::REL_START_SEMESTER] = $semester;
+        }
+        if ($semester = $this->getEndSemester($resource)) {
+            $relationships[self::REL_END_SEMESTER] = $semester;
+        }
+
+        $relationships = $this->addSectionsRelationship($relationships, $resource, $this->shouldInclude($context, self::REL_SECTIONS));
+        $relationships = $this->addComponentsRelationship($relationships, $resource, $this->shouldInclude($context, self::REL_COMPONENTS));
+        $relationships = $this->addDegreeRelationship($relationships, $resource, $this->shouldInclude($context, self::REL_DEGREE));
+
+        return $relationships;
+    }
+
+    /**
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    private function getInstitute(\Studiengang $course_of_study, $shouldInclude)
+    {
+        $institute = \Institute::find($course_of_study->institut_id);
+        return $institute
+            ?  [
+                self::RELATIONSHIP_LINKS => [
+                    Link::RELATED => $this->createLinkToResource($institute),
+                ],
+                self::RELATIONSHIP_DATA => $institute,
+            ]
+            : [
+                self::RELATIONSHIP_DATA => null,
+            ];
+    }
+
+    private function getStartSemester(\Studiengang $course_of_study)
+    {
+        $semester = \Semester::find($course_of_study->start);
+        if (!$semester) {
+            return null;
+        }
+
+        return [
+            self::RELATIONSHIP_LINKS => [
+                Link::RELATED => $this->createLinkToResource($semester),
+            ],
+            self::RELATIONSHIP_DATA => $semester,
+        ];
+    }
+
+    private function getEndSemester(\Studiengang $course_of_study)
+    {
+        $semester = \Semester::find($course_of_study->end);
+        if (!$semester) {
+            return null;
+        }
+
+        return [
+            self::RELATIONSHIP_LINKS => [
+                Link::RELATED => $this->createLinkToResource($semester),
+            ],
+            self::RELATIONSHIP_DATA => $semester,
+        ];
+    }
+
+    private function addSectionsRelationship(array $relationships, $resource, $includeData)
+    {
+        $relationships[self::REL_SECTIONS] = [
+            self::RELATIONSHIP_LINKS => [
+                Link::RELATED => $this->getRelationshipRelatedLink($resource, self::REL_SECTIONS),
+            ],
+        ];
+
+        if ($includeData) {
+            $relationships[self::REL_SECTIONS][self::RELATIONSHIP_DATA] = $resource->stgteil_bezeichnungen;
+        }
+
+        return $relationships;
+    }
+
+    private function addComponentsRelationship(array $relationships, $resource, $includeData)
+    {
+        $relationships[self::REL_COMPONENTS] = [
+            self::RELATIONSHIP_LINKS => [
+                Link::RELATED => $this->getRelationshipRelatedLink($resource, self::REL_COMPONENTS),
+            ],
+        ];
+
+        if ($includeData) {
+            $relationships[self::REL_COMPONENTS][self::RELATIONSHIP_DATA] = $resource->studiengangteile;
+        }
+
+        return $relationships;
+    }
+
+    private function addDegreeRelationship(array $relationships, $resource, $includeData)
+    {
+        $relationships[self::REL_DEGREE] = [
+            self::RELATIONSHIP_LINKS_SELF => $this->createLinkToResource($resource->abschluss),
+            self::RELATIONSHIP_LINKS => [
+                Link::RELATED => $this->getRelationshipRelatedLink($resource, self::REL_DEGREE),
+            ],
+        ];
+
+        if ($includeData) {
+            $relationships[self::REL_DEGREE][self::RELATIONSHIP_DATA] = $resource->abschluss;
+        }
+
+        return $relationships;
+    }
+}