implement follow relationships (untested)

does NOT implement the actual behaviour behind follows (receiving posts and such)

1 files changed, 37 insertions, 0 deletions

diff --git a/Digitigrade/Model/FollowRelation.php b/Digitigrade/Model/FollowRelation.php
new file mode 100644
index 0000000..fc43a6f
--- /dev/null
+++ b/Digitigrade/Model/FollowRelation.php
@@ -0,0 +1,37 @@
+<?php
+namespace Digitigrade\Model;
+
+use Digitigrade\Model;
+
+class FollowRelation extends Model {
+    public Actor $subject;
+    public Actor $object;
+    public FollowRelationStatus $status;
+
+    /**
+     * Creates and saves a new follower/following relationship
+     * @param Actor $subject the follower
+     * @param Actor $object the followee
+     * @param FollowRelationStatus $status whether the relationship is pending or active
+     * @return FollowRelation
+     */
+    public static function create(Actor $subject, Actor $object, FollowRelationStatus $status): self {
+        $rel = new self();
+        $rel->subject = $subject;
+        $rel->object = $object;
+        $rel->status = $status;
+        $rel->save();
+        return $rel;
+    }
+
+    protected function getUpdateWhereClause(\PDO $db): ?string {
+        if (self::findWhere('subject = ? and object = ?', [$this->subject->id, $this->object->id]) != null) {
+            return 'subject = ' . $this->subject->id . ' and object = ' . $this->object->id;
+        }
+        return null;
+    }
+
+    public static function findByActors(Actor $subject, Actor $object): ?self {
+        return self::findWhere('subject = ? and object = ?', [$subject->id, $object->id]);
+    }
+}
\ No newline at end of file