From 4b82ee4b89c708bf1713ac403728076df15b7ec7 Mon Sep 17 00:00:00 2001
From: Vassyli <basilius.sauter@gmail.com>
Date: Wed, 27 Sep 2017 13:17:26 +0200
Subject: [PATCH] ViewpointDescription now ignores empty lines

---
 src/Models/Viewpoint.php       |  8 ++++++++
 src/Tools/SceneDescription.php |  9 ++++++++-
 tests/Models/ViewpointTest.php | 13 +++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/Models/Viewpoint.php b/src/Models/Viewpoint.php
index f5a301a..3a43def 100644
--- a/src/Models/Viewpoint.php
+++ b/src/Models/Viewpoint.php
@@ -71,6 +71,14 @@ class Viewpoint implements CreateableInterface
         $this->_description = new SceneDescription($description);
     }
 
+    /**
+     * Clears the description
+     */
+    public function clearDescription(): void
+    {
+        $this->description = "";
+    }
+
     /**
      * Returns the current description as a string
      * @return string
diff --git a/src/Tools/SceneDescription.php b/src/Tools/SceneDescription.php
index 74df985..be9a242 100644
--- a/src/Tools/SceneDescription.php
+++ b/src/Tools/SceneDescription.php
@@ -61,6 +61,13 @@ class SceneDescription
         $input = str_replace("\r\n", "\n", $input);
         $input = str_replace("\r", "\n", $input);
 
-        return explode("\n\n", $input);
+        $parts = explode("\n\n", $input);
+        foreach ($parts as $key => $part) {
+            if (strlen($part) === 0) {
+                unset($parts[$key]);
+            }
+        }
+
+        return $parts;
     }
 }
\ No newline at end of file
diff --git a/tests/Models/ViewpointTest.php b/tests/Models/ViewpointTest.php
index aba779d..1400876 100644
--- a/tests/Models/ViewpointTest.php
+++ b/tests/Models/ViewpointTest.php
@@ -197,4 +197,17 @@ class ViewpointTest extends CoreModelTestCase
         $characterScene->addDescriptionParagraph("You enjoy being here.");
         $this->assertSame("This is the village.\n\nYou enjoy being here.", $characterScene->getDescription());
     }
+
+    public function testClearingSceneDescription()
+    {
+        $em = $this->getEntityManager();
+        $testCharacter = $em->getRepository(Character::class)->find(2);
+        $characterScene = $testCharacter->getViewpoint();
+
+        $characterScene->clearDescription();
+        $this->assertSame("", $characterScene->getDescription());
+
+        $characterScene->addDescriptionParagraph("You enjoy being here.");
+        $this->assertSame("You enjoy being here.", $characterScene->getDescription());
+    }
 }