implement blocking users

it doesn't work yet for notifications! but i think i got it in most other places

2 files changed, 30 insertions, 4 deletions

diff --git a/Digitigrade/Timeline/HomeTimeline.php b/Digitigrade/Timeline/HomeTimeline.php
index 0867541..9f420e5 100644
--- a/Digitigrade/Timeline/HomeTimeline.php
+++ b/Digitigrade/Timeline/HomeTimeline.php
@@ -1,6 +1,7 @@
 <?php
 namespace Digitigrade\Timeline;
 
+use Digitigrade\Model\Note;
 use Digitigrade\Model\UserAccount;
 use Digitigrade\Model\HomeTimelineItem;
 
@@ -19,9 +20,13 @@ class HomeTimeline extends Timeline {
     }
 
     public function getItemsSince(\DateTimeInterface $when, ?int $limit = null, int $offset = 0): array {
-        return array_map(
-            fn(HomeTimelineItem $hti) => $hti->toTimelineItem(),
-            HomeTimelineItem::findAllForUser($this->user, $limit, $offset, $when)
+        return array_filter(
+            array_map(
+                fn(HomeTimelineItem $hti) => $hti->toTimelineItem(),
+                HomeTimelineItem::findAllForUser($this->user, $limit, $offset, $when)
+            ),
+            // filter out notes from blocked users
+            fn(TimelineItem $item) => !($item instanceof Note && $this->user->actor->block($item->author))
         );
     }
 }
\ No newline at end of file
diff --git a/Digitigrade/Timeline/Timeline.php b/Digitigrade/Timeline/Timeline.php
index b3def28..f53eaa4 100644
--- a/Digitigrade/Timeline/Timeline.php
+++ b/Digitigrade/Timeline/Timeline.php
@@ -1,6 +1,9 @@
 <?php
 namespace Digitigrade\Timeline;
 
+use Digitigrade\Model\Note;
+use Digitigrade\Model\UserAccount;
+
 abstract class Timeline {
     // TODO: currently making this number up. probably should be modifiable somewhere
     private const RESULTS_PER_PAGE = 50;
@@ -11,7 +14,25 @@ abstract class Timeline {
      * @return TimelineItem[]
      */
     public function getPage(int $page = 0): array {
-        return $this->getItems(self::RESULTS_PER_PAGE, self::RESULTS_PER_PAGE * $page);
+        return $this->getItemsFiltered(self::RESULTS_PER_PAGE, self::RESULTS_PER_PAGE * $page);
+    }
+
+    /**
+     * @return TimelineItem[]
+     */
+    private function getItemsFiltered(int $limit, int $offset): array {
+        $user = UserAccount::findByCurrentSession();
+        $items = $this->getItems($limit, $offset);
+        if ($user == null)
+            return $items;
+        // filter out notes from blocked users
+        return array_filter($items, function (TimelineItem $item) use ($user) {
+            $obj = $item->getObject();
+            if ($obj instanceof Note && $user->actor->blocks($obj->author)) {
+                return false;
+            }
+            return true;
+        });
     }
 
     /**