$this->id ?? null, 'sender_id' => $this->sender_id ?? null, 'recipient_id' => $this->recipient_id ?? null, 'subject' => $this->subject ?? null, 'message' => $this->message ?? null, 'sent_datetime' => optional($this->sent_datetime)->toDateTimeString(), 'read_status' => (bool) ($this->read_status ?? false), 'read_datetime' => optional($this->read_datetime)->toDateTimeString(), 'message_number' => $this->message_number ?? null, 'priority' => $this->priority ?? null, 'attachment' => $this->attachment ?? null, 'status' => $this->status ?? null, 'semester' => $this->semester ?? null, 'school_year' => $this->school_year ?? null, 'sender_name' => $this->sender ? trim($this->sender->firstname . ' ' . $this->sender->lastname) : null, 'recipient_name' => $this->recipient ? trim($this->recipient->firstname . ' ' . $this->recipient->lastname) : null, ]; } }