# fluent-cart/1.6.4/app/Modules/PaymentMethods/Core/AbstractSubscriptionModule.php

FluentCart A New Era of eCommerce – Faster, Lighter, and Simpler, version 1.6.4. 126 lines.

- Page: https://pluginprobe.com/plugins/fluent-cart/1.6.4/code/app/Modules/PaymentMethods/Core/AbstractSubscriptionModule.php
- Raw: https://pluginprobe.com/plugins/fluent-cart/1.6.4/raw/app/Modules/PaymentMethods/Core/AbstractSubscriptionModule.php
- Modified: 2026-09-11T13:28:26+00:00

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```php
<?php

namespace FluentCart\App\Modules\PaymentMethods\Core;

use FluentCart\App\Models\Subscription;

abstract class AbstractSubscriptionModule
{
    /**
     * @throws \Exception
     */
    public function fetchSubscription($data, $order, $subscription)
    {
        throw new \Exception(esc_html__('Subscription fetching not available for this method!', 'fluent-cart'), 404);
    }

    /**
     * @throws \Exception
     */
    public function cardUpdate($data, $subscriptionId)
    {
        throw new \Exception(esc_html__('No valid payment method to update!', 'fluent-cart'), 404);
    }

    /**
     * @throws \Exception
     */
    public function switchPaymentMethod($data, $subscriptionId)
    {
        throw new \Exception(esc_html__('No valid payment method to switch!', 'fluent-cart'), 404);
    }

    /**
     * @throws \Exception
     */
    public function reactivateSubscription($data, $subscriptionId)
    {
        throw new \Exception(esc_html__('No valid payment method to reactivate!', 'fluent-cart'), 404);
    }

    /**
     * @throws \Exception
     */
    public function pauseSubscription($data, $order, $subscription)
    {
        throw new \Exception(esc_html__('No valid payment method to pause!', 'fluent-cart'), 404);
    }

    /**
     * @throws \Exception
     */
    public function resumeSubscription($data, $order, $subscription)
    {
        throw new \Exception(esc_html__('No valid payment method to resume!', 'fluent-cart'), 404);
    }

    public function cancel($vendorSubscriptionId, $args = [])
    {
        return new \WP_Error(
            'not_implemented',
            esc_html__('Cancel subscription is not implemented for this payment method.', 'fluent-cart')
        );
    }

    /**
     * @throws \Exception
     */
    public function cancelSubscription($data, $order, $subscription)
    {
        throw new \Exception(esc_html__('No valid payment method to cancel!', 'fluent-cart'), 404);
    }

    public function cancelOnPlanChange($vendorSubscriptionId, $parentOrderId, $subscriptionId, $reason)
    {
        // cancel the subscription on the vendor side, implement on the child class
    }

    public function cancelAutoRenew($subscription)
    {
        // cancel the subscription on the vendor side, implement on the child class
    }

    public function cancelOnSwitchPaymentMethod($currentVendorSubscriptionId, $parentOrderId, $vendorSubscriptionId, $newPaymentMethod, $reason)
    {
        // cancel the subscription on the vendor side, implement on the child class
    }

    /**
     * Pull the subscription's remote state and repair the local rows to match.
     *
     * Implementations may declare extra OPTIONAL parameters for pre-fetched
     * vendor payloads (e.g. PayPal accepts the already-fetched subscription and
     * transaction list so a webhook costs one remote pull). Callers typed
     * against this base class must pass only the subscription model.
     *
     * @param Subscription $subscriptionModel
     * @return Subscription|\WP_Error
     */
    public function reSyncSubscriptionFromRemote(Subscription $subscriptionModel)
    {
        return new \WP_Error(
            'not_implemented',
            esc_html__('Re-sync subscription from remote is not implemented for this payment method.', 'fluent-cart')
        );
    }

    /**
     * Read-only lookup of a candidate vendor subscription id, used by the admin
     * "Edit Vendor IDs" verify action before the id is saved. Writes nothing.
     * Only reached when the gateway declares the verify_vendor_ids feature.
     *
     * $args carries both candidate ids because some gateways nest the
     * subscription under its customer.
     *
     * @param array $args vendor_subscription_id, vendor_customer_id
     * @return array|\WP_Error normalized id/status/amount/currency/customer_id/next_billing_date
     */
    public function verifyVendorSubscription(array $args, $mode = 'current')
    {
        return new \WP_Error(
            'not_implemented',
            esc_html__('Vendor subscription lookup is not implemented for this payment method.', 'fluent-cart')
        );
    }
}

```