From f66e623af3cc8aaa773545393ebab4ca2017e77c Mon Sep 17 00:00:00 2001
From: Jason Irish <jirish@dynamicagency.com>
Date: Fri, 30 Sep 2016 12:00:18 -0500
Subject: [PATCH] RecentBlogPostsBlock - check if Blog exists

fixes #6
---
 code/blocks/RecentBlogPostsBlock.php | 45 +++++++++++++++++++++++++---
 tests/RecentBlogPostsBlockTest.php   | 44 +++++++++++++++++++++++++++
 2 files changed, 85 insertions(+), 4 deletions(-)
 create mode 100644 tests/RecentBlogPostsBlockTest.php

diff --git a/code/blocks/RecentBlogPostsBlock.php b/code/blocks/RecentBlogPostsBlock.php
index 6e4f390..169a29a 100644
--- a/code/blocks/RecentBlogPostsBlock.php
+++ b/code/blocks/RecentBlogPostsBlock.php
@@ -1,5 +1,12 @@
 <?php
 
+if (!class_exists('Blog')) {
+    return;
+}
+
+/**
+ * Class RecentBlogPostsBlock
+ */
 class RecentBlogPostsBlock extends Block
 {
     /**
@@ -34,18 +41,48 @@ class RecentBlogPostsBlock extends Block
     );
 
     /**
-     *
+     * @return FieldList
      */
     public function getCMSFields()
     {
-        $fields = parent::getCMSFields();
+        $fields = singleton('Block')->getCMSFields();
 
         $fields->addFieldsToTab('Root.Main', array(
             NumericField::create('Limit'),
-            DropdownField::create('BlogID', 'Featured Blog', Blog::get()->map())
-                ->setEmptyString(''),
         ));
 
+        if (class_exists('Blog')) {
+            $fields->addFieldToTab(
+                'Root.Main',
+                DropdownField::create('BlogID', 'Featured Blog', Blog::get()->map())
+                    ->setEmptyString('')
+            );
+        }
+
         return $fields;
     }
+
+    /**
+     * @param null $member
+     * @return bool
+     */
+    public function canCreate($member = null)
+    {
+        if (!class_exists('Blog')) {
+            return false;
+        }
+        return parent::canCreate();
+    }
+
+    /**
+     * @param null $member
+     * @return bool
+     */
+    public function canView($member = null)
+    {
+        if (!class_exists('Blog')) {
+            return false;
+        }
+        return parent::canView();
+    }
 }
\ No newline at end of file
diff --git a/tests/RecentBlogPostsBlockTest.php b/tests/RecentBlogPostsBlockTest.php
new file mode 100644
index 0000000..cd1321d
--- /dev/null
+++ b/tests/RecentBlogPostsBlockTest.php
@@ -0,0 +1,44 @@
+<?php
+
+class RecentBlogPostsBlockTest extends SapphireTest
+{
+    /**
+     * @var string
+     */
+    protected static $fixture_file = 'dynamic-blocks/tests/Fixtures.yml';
+
+    /**
+     *
+     */
+    public function testGetCMSFields()
+    {
+        $object = $this->objFromFixture('RecentBlogPostsBlock', 'one');
+        $fields = $object->getCMSFields();
+        $this->assertInstanceOf('FieldList', $fields);
+        $this->assertNull($fields->dataFieldByName('SortOrder'));
+    }
+
+    /**
+     *
+     */
+    public function testCanView()
+    {
+        $object = $this->objFromFixture('RecentBlogPostsBlock', 'one');
+        $admin = $this->objFromFixture('Member', 'admin');
+        $this->assertFalse($object->canView($admin));
+        $member = $this->objFromFixture('Member', 'default');
+        $this->assertFalse($object->canView($member));
+    }
+
+    /**
+     *
+     */
+    public function testCanCreate()
+    {
+        $object = $this->objFromFixture('RecentBlogPostsBlock', 'one');
+        $admin = $this->objFromFixture('Member', 'admin');
+        $this->assertFalse($object->canCreate($admin));
+        $member = $this->objFromFixture('Member', 'default');
+        $this->assertFalse($object->canCreate($member));
+    }
+}
\ No newline at end of file