implement home timeline

1 files changed, 52 insertions, 0 deletions

diff --git a/Digitigrade/Timeline/HomeTimelineItem.php b/Digitigrade/Timeline/HomeTimelineItem.php
new file mode 100644
index 0000000..cb2b6e4
--- /dev/null
+++ b/Digitigrade/Timeline/HomeTimelineItem.php
@@ -0,0 +1,52 @@
+<?php
+namespace Digitigrade\Timeline;
+
+use Digitigrade\Model;
+use Digitigrade\Model\UserAccount;
+
+class HomeTimelineItem extends Model {
+    public ?int $id;
+    public UserAccount $userAccount;
+    public ?string $reasonKind;
+    public ?string $reasonData;
+    public string $itemKind;
+    public string $itemData;
+    public \DateTimeImmutable $modified;
+
+    /**
+     * Creates a new home timeline entry for a particular user, but does not save it.
+     */
+    public static function fromTimelineItem(TimelineItem $item, UserAccount $user): self {
+        $hti = new self();
+        $hti->userAccount = $user;
+        $reason = $item->getReason();
+        if ($reason != null) {
+            $hti->reasonKind = $reason::class;
+            $hti->reasonData = json_encode($reason->toJsonReference());
+        }
+        $object = $item->getObject();
+        $hti->itemKind = $object::class;
+        $hti->itemData = json_encode($object->toJsonReference());
+        $hti->modified = new \DateTimeImmutable();
+        return $hti;
+    }
+
+    public function toTimelineItem(): TimelineItem {
+        $reason = null;
+        if (isset($this->reasonKind)) {
+            $reason = $this->reasonKind::fromJsonReference(json_decode($this->reasonData));
+        }
+        $object = $this->itemKind::fromJsonReference(json_decode($this->itemData));
+        return new TimelineItem($object, $reason);
+    }
+
+    public static function findAllForUser(UserAccount $user, ?int $limit = null, int $offset = 0, ?\DateTimeInterface $since = null) {
+        $where = 'user_account = ?';
+        $params = [$user->id];
+        if (isset($since)) {
+            $where .= ' AND modified > ?';
+            $params[] = $since->format('c');
+        }
+        return self::findAllWhere($where, $params, $limit, $offset, 'id DESC');
+    }
+}
\ No newline at end of file