WIP

src/Controller/Request.php

@@ -23,6 +23,18 @@ public function setPath(string $path): self
         return $this;
     }
 
+    /**
+     * Set the request content
+     * @param mixed $content Request content
+     * @return $this
+     */
+    public function setContent($content): self
+    {
+        $this->content = $content;
+
+        return $this;
+    }
+
     /** @noinspection PhpMissingParentConstructorInspection */
     public function __construct(IlluminateRequest $request)
     {

src/Controller/Transaction.php

@@ -395,7 +395,7 @@ public function getQueryParam(string $key): ?string
 
     /**
      * Get the request object
-     * @return RequestInterface Request
+     * @return RequestInterface|Request Request
      */
     public function getRequest(): RequestInterface
     {

src/Helper/PropertyValue.php

@@ -8,11 +8,14 @@
 use Flat3\Lodata\EntitySet;
 use Flat3\Lodata\Exception\Internal\LexerException;
 use Flat3\Lodata\Exception\Internal\PathNotHandledException;
+use Flat3\Lodata\Exception\Protocol\BadRequestException;
+use Flat3\Lodata\Exception\Protocol\MethodNotAllowedException;
 use Flat3\Lodata\Exception\Protocol\NoContentException;
 use Flat3\Lodata\Exception\Protocol\NotFoundException;
 use Flat3\Lodata\Expression\Lexer;
 use Flat3\Lodata\GeneratedProperty;
 use Flat3\Lodata\Interfaces\ContextInterface;
+use Flat3\Lodata\Interfaces\EntitySet\UpdateInterface;
 use Flat3\Lodata\Interfaces\JsonInterface;
 use Flat3\Lodata\Interfaces\PipeInterface;
 use Flat3\Lodata\Interfaces\ResourceInterface;
@@ -22,6 +25,7 @@
 use Flat3\Lodata\Transaction\MetadataContainer;
 use Flat3\Lodata\Transaction\NavigationRequest;
 use Flat3\Lodata\Type\Stream;
+use Illuminate\Http\Request;
 
 /**
  * Property Value
@@ -284,17 +288,59 @@ public function emitJson(Transaction $transaction): void
 
     public function response(Transaction $transaction, ?ContextInterface $context = null): Response
     {
+        $value = $this->value;
+
+        if ($value instanceof Entity || $value instanceof EntitySet) {
+            return $value->response($transaction, $this);
+        }
+
+        switch ($transaction->getMethod()) {
+            case Request::METHOD_GET:
+                return $this->get($transaction, $context);
+
+            case Request::METHOD_DELETE:
+                return $this->delete($transaction, $context);
+        }
+
+        throw new MethodNotAllowedException();
+    }
+
+    public function delete(Transaction $transaction, ?ContextInterface $context = null): Response
+    {
+        $entitySet = $this->entity->getEntitySet();
+
+        if (!$entitySet instanceof UpdateInterface) {
+            throw new BadRequestException(
+                'entity_set_not_updatable',
+                'The entity set for this entity does not support updates'
+            );
+        }
+
+        if (!$this->getProperty()->isNullable()) {
+            throw new BadRequestException('property_not_nullable', 'This property cannot be set to null');
+        }
+
+        Gate::check(Gate::DELETE, $this, $transaction);
+
+        $transaction->getRequest()->setContent([
+            $this->getProperty()->getName() => null,
+        ]);
+        $entitySet->update($this->entity->getEntityId());
+
+        throw new NoContentException();
+    }
+
+    public function get(Transaction $transaction, ?ContextInterface $context = null): Response
+    {
+        Gate::check(Gate::READ, $this, $transaction);
+
         $value = $this->value;
         $context = $context ?: $this;
 
         if ($value instanceof Primitive && null === $value->get() || $value === null) {
             throw new NoContentException('null_value');
         }
 
-        if ($value instanceof Entity || $value instanceof EntitySet) {
-            return $value->response($transaction, $this);
-        }
-
         $metadata = $transaction->createMetadataContainer();
 
         $metadata['context'] = $context->getContextUrl($transaction);

tests/Unit/Queries/EntityPrimitive/EntityPrimitiveTest.php

@@ -22,6 +22,17 @@ public function test_read_an_entity_set_primitive()
         );
     }
 
+    public function test_delete_an_entity_set_primitive()
+    {
+        $this->assertNoContent(
+            Request::factory()
+                ->delete()
+                ->path('/flights(1)/origin')
+        );
+
+        $this->assertDatabaseSnapshot();
+    }
+
     public function test_null_no_content()
     {
         $flight = (new Flight([

tests/Unit/Queries/EntityPrimitive/__snapshots__/EntityPrimitiveTest__test_delete_an_entity_set_primitive__1.yml

@@ -0,0 +1,17 @@
+airports:
+    - { id: '1', name: Heathrow, code: lhr, construction_date: '1946-03-25 00:00:00', sam_datetime: '2001-11-10 14:00:00', open_time: '09:00:00', review_score: null, is_big: '1', country_id: null }
+    - { id: '2', name: 'Los Angeles', code: lax, construction_date: '1930-01-01 00:00:00', sam_datetime: '2000-11-10 14:00:00', open_time: '08:00:00', review_score: null, is_big: '0', country_id: null }
+    - { id: '3', name: 'San Francisco', code: sfo, construction_date: '1930-01-01 00:00:00', sam_datetime: '2001-11-10 14:00:01', open_time: '15:00:00', review_score: null, is_big: null, country_id: null }
+    - { id: '4', name: 'O''Hare', code: ohr, construction_date: '1930-01-01 00:00:00', sam_datetime: '1999-11-10 14:00:01', open_time: '15:00:00', review_score: null, is_big: '1', country_id: null }
+countries: {  }
+flights:
+    - { id: '1', origin: null, destination: lax, gate: null, duration: '41100.0' }
+    - { id: '2', origin: sam, destination: rgr, gate: null, duration: '2384.0' }
+    - { id: '3', origin: sfo, destination: lax, gate: null, duration: '2133.0' }
+passengers:
+    - { id: '1', flight_id: '1', name: 'Anne Arbor' }
+    - { id: '2', flight_id: '1', name: 'Bob Barry' }
+    - { id: '3', flight_id: '1', name: 'Charlie Carrot' }
+    - { id: '4', flight_id: '2', name: 'Fox Flipper' }
+    - { id: '5', flight_id: '3', name: 'Grace Gumbo' }
+pets: {  }