From 03a407335c734ae7046b9041efaacb184e24ae38 Mon Sep 17 00:00:00 2001
From: Guy Sartorelli <guy.sartorelli@silverstripe.com>
Date: Fri, 12 Jan 2024 10:12:38 +1300
Subject: [PATCH] ENH Add generic types

---
 src/VersionFeed.php           | 11 +++++++----
 src/VersionFeedController.php | 16 ++++++++++------
 src/VersionFeedSiteConfig.php |  6 ++++--
 3 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/src/VersionFeed.php b/src/VersionFeed.php
index ad7e1bc..da6d8d5 100644
--- a/src/VersionFeed.php
+++ b/src/VersionFeed.php
@@ -13,10 +13,13 @@ use SilverStripe\ORM\FieldType\DBField;
 use SilverStripe\SiteConfig\SiteConfig;
 use SilverStripe\View\Parsers\HtmlDiff;
 use SilverStripe\CMS\Model\SiteTree;
+use SilverStripe\Versioned\Versioned_Version;
 
+/**
+ * @extends Extension<SiteTree&static>
+ */
 class VersionFeed extends SiteTreeExtension
 {
-    
     private static $db = array(
         'PublicHistory' => 'Boolean(true)'
     );
@@ -68,7 +71,7 @@ class VersionFeed extends SiteTreeExtension
      * @param int $highestVersion Top version number to consider.
      * @param int $limit Limit to the amount of items returned.
      *
-     * @returns ArrayList List of cleaned records.
+     * @return ArrayList<Versioned_Version> List of cleaned records.
      */
     public function getDiffList($highestVersion = null, $limit = 100)
     {
@@ -156,7 +159,7 @@ class VersionFeed extends SiteTreeExtension
      * Return a single diff representing this version.
      * Returns the initial version if there is nothing to compare to.
      *
-     * @return DataObject|null Object with relevant fields diffed.
+     * @return Versioned_Version|null Object with relevant fields diffed.
      */
     public function getDiff()
     {
@@ -173,7 +176,7 @@ class VersionFeed extends SiteTreeExtension
         if (!$this->owner->config()->get('changes_enabled')) {
             return;
         }
-        
+
         // Add public history field.
         $fields->addFieldToTab(
             'Root.Settings',
diff --git a/src/VersionFeedController.php b/src/VersionFeedController.php
index 05072b0..3527389 100644
--- a/src/VersionFeedController.php
+++ b/src/VersionFeedController.php
@@ -11,25 +11,29 @@ use SilverStripe\ORM\DB;
 use SilverStripe\Security\Member;
 use SilverStripe\ORM\ArrayList;
 use SilverStripe\CMS\Model\SiteTree;
+use SilverStripe\Control\Controller;
 use SilverStripe\Core\Convert;
 use SilverStripe\View\Requirements;
 use SilverStripe\Core\Extension;
 use SilverStripe\VersionFeed\Filters\ContentFilter;
 
+/**
+ * @extends Extension<Controller&static>
+ */
 class VersionFeedController extends Extension
 {
     private static $allowed_actions = array(
         'changes',
         'allchanges'
     );
-    
+
     /**
      * Content handler
      *
      * @var ContentFilter
      */
     protected $contentFilter;
-    
+
     /**
      * Sets the content filter
      *
@@ -39,7 +43,7 @@ class VersionFeedController extends Extension
     {
         $this->contentFilter = $contentFilter;
     }
-    
+
     /**
      * Evaluates the result of the given callback
      *
@@ -163,7 +167,7 @@ class VersionFeedController extends Extension
         $rss->setTemplate('Page_allchanges_rss');
         return $rss->outputToBrowser();
     }
-    
+
     /**
      * Generates and embeds the RSS header link for the page-specific version rss feed
      */
@@ -172,7 +176,7 @@ class VersionFeedController extends Extension
         if (!Config::inst()->get(VersionFeed::class, 'changes_enabled') || !$this->owner->PublicHistory) {
             return;
         }
-        
+
         RSSFeed::linkToFeed(
             $this->owner->Link('changes'),
             _t(
@@ -193,7 +197,7 @@ class VersionFeedController extends Extension
         ) {
             return;
         }
-        
+
         // RSS feed to all-site changes.
         $title = Convert::raw2xml($this->linkToAllSitesRSSFeedTitle());
         $url = $this->owner->getSiteRSSLink();
diff --git a/src/VersionFeedSiteConfig.php b/src/VersionFeedSiteConfig.php
index 099ff85..74a1624 100644
--- a/src/VersionFeedSiteConfig.php
+++ b/src/VersionFeedSiteConfig.php
@@ -7,13 +7,15 @@ use SilverStripe\Forms\CheckboxField;
 use SilverStripe\Forms\FieldGroup;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\ORM\DataExtension;
+use SilverStripe\SiteConfig\SiteConfig;
 
 /**
  * Allows global configuration of all changes
+ *
+ * @extends DataExtension<SiteConfig>
  */
 class VersionFeedSiteConfig extends DataExtension
 {
-    
     private static $db = array(
         'AllChangesEnabled' => 'Boolean(true)'
     );
@@ -26,7 +28,7 @@ class VersionFeedSiteConfig extends DataExtension
     {
         $labels['AllChangesEnabled'] = _t(__CLASS__ . '.ALLCHANGESLABEL', 'Make global changes feed public');
     }
-    
+
     public function updateCMSFields(FieldList $fields)
     {
         if (!Config::inst()->get(VersionFeed::class, 'allchanges_enabled')) {