6 files changed, 176 insertions, 0 deletions
diff --git a/matrix-specification/Events/ClientEvent.php b/matrix-specification/Events/ClientEvent.php
new file mode 100644
index 0000000..be1e354
--- /dev/null
+++ b/matrix-specification/Events/ClientEvent.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\EventType;
+
+class ClientEvent extends ClientEventWithoutRoomId
+{
+  public function __construct(
+    array $content,
+    string $eventId,
+    int $originServerTimestamp,
+    protected string $roomId,
+    string $sender,
+    string $stateKey,
+    EventType $type,
+    ?UnsignedData $unsigned = null,
+  )
+  {
+    parent::__construct($content, $eventId, $originServerTimestamp, $sender, $stateKey, $type);
+  }
+
+  public function jsonSerialize(): array
+  {
+    $clientEvent = parent::jsonSerialize();
+    $clientEvent += [
+      "room_id" => $this->roomId,
+    ];
+
+    return $clientEvent;
+  }
+}
diff --git a/matrix-specification/Events/ClientEventWithoutRoomId.php b/matrix-specification/Events/ClientEventWithoutRoomId.php
new file mode 100644
index 0000000..0410d5b
--- /dev/null
+++ b/matrix-specification/Events/ClientEventWithoutRoomId.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\EventType;
+
+class ClientEventWithoutRoomId extends SenderEvent
+{
+  public function __construct(
+    array $content,
+    protected string $eventId,
+    protected int $originServerTimestamp,
+    string $sender,
+    protected string $stateKey,
+    EventType $type,
+    protected ?UnsignedData $unsigned = null,
+  )
+  {
+    parent::__construct($content, $sender, $type);
+  }
+
+  public function jsonSerialize(): array
+  {
+    return [
+      "content" => $this->content ?: new \stdClass,
+      "event_id" => $this->eventId,
+      "origin_server_ts" => $this->originServerTimestamp,
+      "sender" => $this->sender,
+      "state_key" => $this->stateKey,
+      "type" => $this->type,
+      "unsigned" => $this->unsigned ?? new \stdClass,
+    ];
+  }
+}
diff --git a/matrix-specification/Events/Event.php b/matrix-specification/Events/Event.php
new file mode 100644
index 0000000..fe85f48
--- /dev/null
+++ b/matrix-specification/Events/Event.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\EventType;
+
+abstract class Event implements \JsonSerializable
+{
+  /**
+   * @param array<string, mixed> $content
+   */
+  public function __construct(
+    protected array $content,
+    protected EventType $type,
+  )
+  {}
+}
diff --git a/matrix-specification/Events/PresenceEvent.php b/matrix-specification/Events/PresenceEvent.php
new file mode 100644
index 0000000..f71d4bd
--- /dev/null
+++ b/matrix-specification/Events/PresenceEvent.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\EventType;
+use Matrix\Enums\PresenceState;
+
+class PresenceEvent extends SenderEvent
+{
+  public function __construct(
+    string $sender,
+    PresenceState $presence,
+    string $avatarUrl = "",
+    bool $currentlyActive = false,
+    string $displayName = "",
+    int $lastActiveAgo = 0,
+    string $statusMessage = "",
+  )
+  {
+    parent::__construct(
+      [
+        "avatar_url" => $avatarUrl,
+        "currently_active" => $currentlyActive,
+        "display_name" => $displayName,
+        "last_active_ago" => $lastActiveAgo,
+        "presence" => $presence,
+        "status_msg" => $statusMessage,
+      ],
+      $sender,
+      EventType::PRESENCE
+    );
+  }
+
+  public function jsonSerialize(): array
+  {
+    return [
+      "content" => $this->content,
+      "sender" => $this->sender,
+      "type" => $this->type,
+    ];
+  }
+}
diff --git a/matrix-specification/Events/SenderEvent.php b/matrix-specification/Events/SenderEvent.php
new file mode 100644
index 0000000..f3d4ceb
--- /dev/null
+++ b/matrix-specification/Events/SenderEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\EventType;
+
+abstract class SenderEvent extends Event
+{
+  /**
+   * @param array<string, mixed> $content
+   */
+  public function __construct(
+    array $content,
+    protected string $sender,
+    EventType $type,
+  )
+  {
+    parent::__construct($content, $type);
+  }
+}
diff --git a/matrix-specification/Events/UnsignedData.php b/matrix-specification/Events/UnsignedData.php
new file mode 100644
index 0000000..924af29
--- /dev/null
+++ b/matrix-specification/Events/UnsignedData.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Matrix\Events;
+
+use Matrix\Enums\MembershipState;
+
+/**
+ * @see https://spec.matrix.org/v1.16/client-server-api/#definition-clientevent_unsigneddata
+ */
+class UnsignedData implements \JsonSerializable
+{
+  public function __construct(
+    private ?int $age = null,
+    private ?MembershipState $membership = null,
+    private ?array $previousContent = null,
+    private ?ClientEvent $redactedBecause = null,
+    private ?string $transactionId = null,
+  )
+  {}
+
+  public function jsonSerialize(): array
+  {
+    return array_filter([
+      "age" => $this->age,
+      "membership" => $this->membership,
+      "prev_content" => $this->previousContent,
+      "redacted_because" => $this->redactedBecause,
+      "transaction_id" => $this->transactionId,
+    ], "is_null");
+  }
+}