$activity->key(), 'activity_type_id' => (int) $activity->activity_type_id, 'client_id' => $activity->client ? (int) $activity->client->public_id : null, 'user_id' => (int) $activity->user->public_id + 1, 'invoice_id' => $activity->invoice ? (int) $activity->invoice->public_id : null, 'payment_id' => $activity->payment ? (int) $activity->payment->public_id : null, 'credit_id' => $activity->credit ? (int) $activity->credit->public_id : null, 'updated_at' => $this->getTimestamp($activity->updated_at), 'expense_id' => $activity->expense_id ? (int) $activity->expense->public_id : null, 'is_system' => $activity->is_system ? (bool) $activity->is_system : null, 'contact_id' => $activity->contact_id ? (int) $activity->contact->public_id : null, 'task_id' => $activity->task_id ? (int) $activity->task->public_id : null, 'notes' => $activity->notes ?: '', 'adjustment' => (float) $activity->adjustment, 'balance' => (float) $activity->balance, ]; } }