Update Summit API

* now summit list return only the summit marked as
available for api. that allows us to control which
summits will be public availbable ( instead of everything
as formerly)
* also current summit query was updated to check the
 api availability flag.

Change-Id: Ib344d7fe899a5802c195326fbbb5028f4807ebc0

app/Models/Foundation/Summit/Repositories/ISummitRepository.php

@@ -20,4 +20,9 @@ interface ISummitRepository extends IBaseRepository
      * @return Summit
      */
     public function getCurrent();
+
+    /**
+     * @return Summit[]
+     */
+    public function getAvailables();
 }

app/Models/Foundation/Summit/Summit.php

@@ -169,6 +169,28 @@ class Summit extends SilverstripeBaseModel
      */
     private $active;
 
+    /**
+     * @return boolean
+     */
+    public function isAvailableOnApi()
+    {
+        return $this->available_on_api;
+    }
+
+    /**
+     * @param boolean $available_on_api
+     */
+    public function setAvailableOnApi($available_on_api)
+    {
+        $this->available_on_api = $available_on_api;
+    }
+
+    /**
+     * @ORM\Column(name="AvailableOnApi", type="boolean")
+     * @var bool
+     */
+    private $available_on_api;
+
     /**
      * @ORM\Column(name="ExternalEventId", type="string")
      * @var string
@@ -186,7 +208,12 @@ class Summit extends SilverstripeBaseModel
      */
     public function getType()
     {
-        return $this->type;
+        try {
+            return $this->type;
+        }
+        catch (\Exception $ex){
+            return null;
+        }
     }
 
     /**
@@ -209,6 +236,13 @@ class Summit extends SilverstripeBaseModel
         }
     }
 
+    /**
+     * @return bool
+     */
+    public function hasType(){
+        return $this->getTypeId() > 0;
+    }
+
     /**
      * @ORM\ManyToOne(targetEntity="SummitType", fetch="EXTRA_LAZY")
      * @ORM\JoinColumn(name="TypeID", referencedColumnName="ID")