From ea601fae2215df9d5df83ad56c539cb47b035543 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nil=20Portugu=C3=A9s=20Calder=C3=B3?= <nilopc@gmail.com>
Date: Sat, 17 Oct 2015 01:09:15 +0200
Subject: [PATCH] Fetch all data from eloquent

---
 .../JsonApiSerializer/JsonApiSerializer.php   | 66 +++++++++++++++++++
 .../Mapper/MappingFactory.php                 |  1 +
 2 files changed, 67 insertions(+)

diff --git a/src/NilPortugues/Laravel5/JsonApiSerializer/JsonApiSerializer.php b/src/NilPortugues/Laravel5/JsonApiSerializer/JsonApiSerializer.php
index 53a55fe..8689852 100644
--- a/src/NilPortugues/Laravel5/JsonApiSerializer/JsonApiSerializer.php
+++ b/src/NilPortugues/Laravel5/JsonApiSerializer/JsonApiSerializer.php
@@ -10,9 +10,12 @@
  */
 namespace NilPortugues\Laravel5\JsonApiSerializer;
 
+use ErrorException;
 use Illuminate\Database\Eloquent\Model;
 use NilPortugues\Api\JsonApi\JsonApiTransformer;
 use NilPortugues\Serializer\DeepCopySerializer;
+use ReflectionClass;
+use ReflectionMethod;
 
 /**
  * Class JsonApiSerializer.
@@ -46,13 +49,76 @@ protected function serializeObject($value)
         }
 
         if (is_subclass_of($value, Model::class, true)) {
+
+
             $stdClass = (object) $value->getAttributes();
             $data =  $this->serializeData($stdClass);
             $data[self::CLASS_IDENTIFIER_KEY] = get_class($value);
 
+            $methods = $this->getRelationshipMethodsAsPropertyName($value, get_class($value), new ReflectionClass($value));
+
+            if(!empty($methods)) {
+                $data = array_merge($data, $methods);
+            }
+
             return $data;
         }
 
         return parent::serializeObject($value);
     }
+
+
+    /**
+     * @param                 $value
+     * @param string          $className
+     * @param ReflectionClass $reflection
+     *
+     * @return array
+     */
+    protected function getRelationshipMethodsAsPropertyName($value, $className, ReflectionClass $reflection)
+    {
+
+        $methods = [];
+        foreach ($reflection->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
+            if (ltrim($method->class, "\\") === ltrim($className, "\\")) {
+
+                $name = $method->name;
+                $reflectionMethod = $reflection->getMethod($name);
+
+                // Eloquent relations do not include parameters, so we'll be filtering based on this criteria.
+                if (0 == $reflectionMethod->getNumberOfParameters()) {
+                    try {
+                        $returned = $reflectionMethod->invoke($value);
+                        //All operations (eg: boolean operations) are now filtered out.
+                        if (is_object($returned)) {
+
+                            // Only keep those methods as properties if these are returning Eloquent relations.
+                            // But do not run the operation as it is an expensive operation.
+                            if (false !== strpos(get_class($returned), 'Illuminate\Database\Eloquent\Relations')) {
+
+                                $items = [];
+                                foreach($returned->getResults() as $model) {
+
+                                    if(is_object($model)) {
+                                        $stdClass = (object) $model->getAttributes();
+                                        $data =  $this->serializeData($stdClass);
+                                        $data[self::CLASS_IDENTIFIER_KEY] = get_class($model);
+
+                                        $items[] = $data;
+                                    }
+                                }
+                                if(!empty($items)) {
+                                    $methods[$name] = [self::MAP_TYPE => 'array', self::SCALAR_VALUE => $items];
+                                }
+
+                            }
+                        }
+                    } catch(ErrorException $e) {}
+                }
+            }
+        }
+
+
+        return $methods;
+    }
 }
diff --git a/src/NilPortugues/Laravel5/JsonApiSerializer/Mapper/MappingFactory.php b/src/NilPortugues/Laravel5/JsonApiSerializer/Mapper/MappingFactory.php
index a319e18..5d9ed6f 100644
--- a/src/NilPortugues/Laravel5/JsonApiSerializer/Mapper/MappingFactory.php
+++ b/src/NilPortugues/Laravel5/JsonApiSerializer/Mapper/MappingFactory.php
@@ -66,6 +66,7 @@ protected static function getRelationshipMethodsAsPropertyName($value, $classNam
     {
         $methods = [];
         foreach ($reflection->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
+
             if (ltrim($method->class, "\\") === ltrim($className, "\\")) {
 
                 $name = $method->name;