implement notifications

1 files changed, 57 insertions, 0 deletions

diff --git a/Digitigrade/Model/Notification.php b/Digitigrade/Model/Notification.php
new file mode 100644
index 0000000..ee9d64a
--- /dev/null
+++ b/Digitigrade/Model/Notification.php
@@ -0,0 +1,57 @@
+<?php
+namespace Digitigrade\Model;
+
+use Digitigrade\Model;
+use Digitigrade\Notification\Notifyable;
+
+class Notification extends Model {
+    public ?int $id;
+    public UserAccount $userAccount;
+    public string $itemType;
+    public string $itemData;
+    public \DateTimeImmutable $created;
+
+    /**
+     * Creates a new Notification from a Notifyable object, but does not send it.
+     * @param Notifyable $item the item to send in the notification
+     * @param UserAccount $user the user to send the notification to
+     * @return Notification
+     */
+    public static function fromNotifyable(Notifyable $item, UserAccount $user): self {
+        $notif = new self();
+        $notif->userAccount = $user;
+        $notif->itemType = $item::class;
+        $notif->itemData = json_encode($item->toJsonReference());
+        $notif->created = new \DateTimeImmutable();
+
+        $notif->save();
+        return $notif;
+    }
+
+    public function toNotifyable(): Notifyable {
+        return $this->itemType::fromJsonReference(json_decode($this->itemData));
+    }
+
+    /**
+     * Saves this object and delivers the notification to the recipient user.
+     * @return void
+     */
+    public function send() {
+        $this->save();
+        // TODO: send it via any push mechanisms
+    }
+
+    /**
+     * @return self[]
+     */
+    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 created > ?';
+            $params[] = $since->format('c');
+        }
+        return self::findAllWhere($where, $params, $limit, $offset, 'id DESC');
+    }
+
+}
\ No newline at end of file