Merge pull request #21 from phonetworks/edge-edit-permissions

Edge edit permissions

composer.json

@@ -18,7 +18,7 @@
         "monolog/monolog": "^1.22",
 	    "zendframework/zend-config": "*",
         "pimple/pimple": "^1.1",
-        "phonetworks/pho-lib-graph": "^7.1",
+        "phonetworks/pho-lib-graph": "^7.3",
         "phonetworks/pho-framework": "^10.0",
         "webmozart/assert": "^1.2",
         "danielstjules/stringy": "^3.0",

src/Pho/Kernel/Foundation/AbstractActor.php

@@ -5,6 +5,8 @@
 use Pho\Framework;
 use Pho\Kernel\Kernel;
 use Pho\Kernel\Standards;
+use Pho\Lib\Graph\EntityInterface;
+use Pho\Lib\Graph\EdgeInterface;
 
 abstract class AbstractActor extends Framework\Actor implements ParticleInterface {
 
@@ -50,8 +52,15 @@ public function __construct(Kernel $kernel, Framework\ContextInterface $graph)
         }
     }
 
-    public function edit(ParticleInterface $obj): ParticleInterface
+    public function edit(EntityInterface $obj): EntityInterface
     {
+        if($obj instanceof EdgeInterface)
+        {
+               if($this->equals($obj->tail()->node()))
+                    return $obj;
+                else
+                    throw new Exceptions\WriteForEdgePermissionException($obj, $this);
+        }
         if(!$obj->acl()->writeable($this))
             throw new Exceptions\WriteByPermissionException($obj, $this);
         // $obj->lock($this);

src/Pho/Kernel/Foundation/Exceptions/WriteForEdgePermissionException.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Pho\Kernel\Foundation\Exceptions;
+
+use Pho\Framework\ParticleInterface;
+use Pho\Lib\Graph\EntityInterface;
+
+class WriteForEdgePermissionException extends \Exception
+{
+    public function __construct(EntityInterface $edge, ParticleInterface $node)
+    {
+        parent::__construct();
+        $this->message = sprintf(
+            "The edge %s (a %s) cannot be edited by the node %s (a %s)",
+            (string) $edge->id(),
+            get_class($edge),
+            (string) $node->id(),
+            get_class($node)
+        );
+    }
+}

tests/Pho/Kernel/EdgeTest.php

@@ -88,4 +88,16 @@ public function testEdgeAttributePersistence() {
         $this->assertEquals($like_content, $like_recreated->attributes()->content);
     }
 
+    /*
+     * @todo implement this
+     * // check for permissions
+    public function testEdgeProperEdit() {
+        $this->flushDBandRestart();
+        $user = new \PhoNetworksAutogenerated\User($this->kernel, $this->graph, "123456");
+        $content = $this->kernel->founder()->post("emre sokullu");
+        $edge = $content->edges()->in()->current();
+        eval(\Psy\sh());
+    }
+    */
+
 }