Migrate to ss4

.upgrade.yml

@@ -0,0 +1,3 @@
+mappings:
+  BannerImage: Burnbright\SilverstripeBanner\BannerImage
+  BannersExtension: Burnbright\SilverstripeBanner\BannersExtension

_config/legacy.yml

@@ -0,0 +1,3 @@
+SilverStripe\ORM\DatabaseAdmin:
+  classname_value_remapping:
+    BannerImage: Burnbright\SilverstripeBanner\BannerImage

composer.json

@@ -4,10 +4,13 @@
     "type": "silverstripe-vendormodule",
     "keywords": ["silverstripe", "banner", "carousel", "slider"],
     "require": {
-
+        "silverstripe/vendor-plugin": "^1",
+        "silverstripe/framework": "^4"
     },
-    "suggests": {
-
+    "autoload": {
+        "psr-4": {
+            "Burnbright\\SilverstripeBanner\\": "src/"
+        }
     },
     "license": "BSD-2",
     "authors": [
@@ -16,7 +19,6 @@
             "email": "[email protected]"
         }
     ],
-    "minimum-stability": "dev",
     "extra": {
 		"installer-name": "banner"
     }

code/BannerImage.php → src/BannerImage.php

@@ -1,24 +1,33 @@
 <?php
 
+namespace Burnbright\SilverstripeBanner;
+
+use SilverStripe\ORM\DataObject;
+use SilverStripe\Security\Permission;
+use Image;
+use Page;
+
 class BannerImage extends DataObject
 {
 
+    private static $table_name = "BannerImage";
+
     private static $db = array(
         'Title' => 'Varchar(255)',
         'SubTitle' => 'Varchar(255)',
-        'Link' => 'LinkField',
+        // 'Link' => 'LinkField', // TODO: support linking banners in ss4
         'Sort' => 'Int'
     );
 
     private static $has_one = array(
-        'Image' => 'Image',
-        'Parent' => 'Page'
+        'Image' => Image::class,
+        'Parent' => Page::class
     );
 
     private static $summary_fields = array(
         'Image.CMSThumbnail' => 'Image',
         'CMSTitle' => 'Title',
-        'Link' => 'Link'
+        // 'Link' => 'Link'
     );
 
     private static $default_sort = "\"Sort\" ASC, \"ID\" ASC";
@@ -44,22 +53,22 @@ public function getCMSTitle()
         }
     }
 
-    public function canCreate($member = null)
+    public function canCreate($member = null, $context = [])
     {
         return Permission::check("CMS_ACCESS_CMSMain");
     }
 
-    public function canEdit($member = null)
+    public function canEdit($member = null, $context = [])
     {
         return Permission::check("CMS_ACCESS_CMSMain");
     }
 
-    public function canDelete($member = null)
+    public function canDelete($member = null, $context = [])
     {
         return Permission::check("CMS_ACCESS_CMSMain");
     }
 
-    public function canView($member = null)
+    public function canView($member = null, $context = [])
     {
         return Permission::check("CMS_ACCESS_CMSMain");
     }

code/BannersExtension.php → src/BannersExtension.php

@@ -1,10 +1,19 @@
 <?php
 
+namespace Burnbright\SilverstripeBanner;
+
+use BannerImage;
+use SilverStripe\Forms\FieldList;
+use SilverStripe\ORM\DataExtension;
+use SilverStripe\Forms\GridField\GridField;
+use Symbiote\GridFieldExtensions\GridFieldOrderableRows;
+use SilverStripe\Forms\GridField\GridFieldConfig_RecordEditor;
+
 class BannersExtension extends DataExtension
 {
 
     public static $has_many = array(
-        'Banners' => 'BannerImage'
+        'Banners' => BannerImage::class
     );
 
     public function updateCMSFields(FieldList $fields)