Disables certain action buttons for weekly subscriptions and subscriptions with a free trial. Weekly subscriptions can not be cancelled for at least a year.

wcs-contract-subscription.php

<?php
/*
 * Plugin Name: WooCommerce Subscriptions - Contract Subscriptions
 * Description: Disables certain action buttons for weekly subscriptions and subscriptions with a free trial. Weekly subscriptions can not be cancelled for at least a year.
 * Author:      Sébastien Dumont
 * Author URI:  https://sebastiendumont.com
 * Version:     0.0.2
 *
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 */

add_filter( 'wcs_view_subscription_actions', 'wcs_contract_remove_my_subscriptions_button', 100, 2 );

function wcs_contract_remove_my_subscriptions_button( $actions, $subscription ) {
	$subtime = $subscription->get_billing_interval() . "-" . $subscription->get_billing_period();

	// If subscription is billed per week then remove actions.
	if ( in_array( $subtime, array( '1-week' ), true ) ) {

		foreach ( $actions as $action_key => $action ) {
			switch ( $action_key ) {
				case 'switch': 		// Hide "Switch Subscription" button.
				case 'resubscribe': // Hide "Resubscribe" button from an expired or cancelled subscription.
				case 'suspend': 	// Hide "Suspend" button on subscriptions that are "active".
					unset( $actions[ $action_key ] );
					break;
			}
		}

		// Only remove cancel action if the subscription has not yet paid a year's worth.
		if ( $subscription->get_payment_count() < 52 ) {
			unset( $actions[ 'cancel' ] );
		}
	}

	// If subscription has a free trial then remove cancel action.
	if ( $subscription->get_time( 'trial_end' ) > 0 && $subscription->get_payment_count() < 2 ) {
		unset( $actions[ 'cancel' ] );
	}

	return $actions;
}