Added createEdgeCollection (#6)

* Added createEdgeCollection method.

* Fix styling

* Added createEdgeCollection docs.

Co-authored-by: LaravelFreelancerNL <LaravelFreelancerNL@users.noreply.github.com>

Author: LaravelFreelancerNL

docs/schema-collections.md

@@ -52,6 +52,12 @@ Create a collection
 $arangoClient->schema()->createCollection('users');
 ```
 
+### createEdgeCollection(string $name, array $config = [], $waitForSyncReplication = null, $enforceReplicationFactor = null): stdClass
+Create an Edge collection
+```
+$arangoClient->schema()->createEdgeCollection('relationships');
+```
+
 ### updateCollection(string $name, array $config = []): stdClass
 Update a collection
 ```

src/Schema/ManagesCollections.php

@@ -165,6 +165,26 @@ public function createCollection(
         return $this->arangoClient->request('post', '/_api/collection', $options);
     }
 
+    /**
+     * @param  string  $name
+     * @param  array<mixed>  $config
+     * @param  int|bool|null  $waitForSyncReplication
+     * @param  int|bool|null  $enforceReplicationFactor
+     * @return stdClass
+     *
+     * @throws ArangoException
+     */
+    public function createEdgeCollection(
+        string $name,
+        array $config = [],
+        $waitForSyncReplication = null,
+        $enforceReplicationFactor = null
+    ): stdClass {
+        $config['type'] = 3;
+
+        return $this->createCollection($name, $config, $waitForSyncReplication, $enforceReplicationFactor);
+    }
+
     /**
      * @param  string  $name
      * @param  array<mixed>  $config

tests/SchemaManagerCollectionsTest.php

@@ -198,4 +198,20 @@ public function testCreateCollectionWithOptions()
         $this->assertTrue($result);
         $this->assertFalse($this->schemaManager->hasCollection($collection));
     }
+
+    public function testCreateEdgeCollection()
+    {
+        $collection = 'relationships';
+
+        if ($this->schemaManager->hasCollection($collection)) {
+            $this->schemaManager->deleteCollection($collection);
+        }
+
+        $result = $this->schemaManager->createEdgeCollection($collection);
+
+        $this->assertEquals($collection, $result->name);
+        $this->assertSame(3, $result->type);
+
+        $this->schemaManager->deleteCollection($collection);
+    }
 }