woocommerce-subscriptions/assets/js/frontend/view-subscription.js

jQuery( function ( $ ) {
	// Auto Renewal Toggle
	var $toggleContainer = $( '.wcs-auto-renew-toggle' );
	var $toggle = $( '.subscription-auto-renew-toggle', $toggleContainer );
	var $icon = $toggle.find( 'i' );
	var txtColor = null;
	var $paymentMethod = $( '.subscription-payment-method' );

	// Early Renewal
	var $early_renewal_modal_submit = $( '#early_renewal_modal_submit' );
	var $early_renewal_modal_content = $( '.wcs-modal > .content-wrapper' );

	function getTxtColor() {
		if ( ! txtColor && $icon && $icon.length ) {
			txtColor = getComputedStyle( $icon[ 0 ] ).color;
		}

		return txtColor;
	}

	function maybeApplyColor() {
		if (
			$toggle.hasClass( 'subscription-auto-renew-toggle--on' ) &&
			$icon.length
		) {
			$icon[ 0 ].style.backgroundColor = getTxtColor();
			$icon[ 0 ].style.borderColor = getTxtColor();
		} else if ( $icon.length ) {
			$icon[ 0 ].style.backgroundColor = null;
			$icon[ 0 ].style.borderColor = null;
		}
	}

	function displayToggle() {
		$toggle.removeClass( 'subscription-auto-renew-toggle--hidden' );
	}

	function onToggle( e ) {
		e.preventDefault();

		// Remove focus from the toggle element.
		$toggle.trigger( 'blur' );

		// Ignore the request if the toggle is disabled.
		if ( $toggle.hasClass( 'subscription-auto-renew-toggle--disabled' ) ) {
			return;
		}

		var ajaxHandler = function ( action ) {
			var data = {
				subscription_id: WCSViewSubscription.subscription_id,
				action: action,
				security: WCSViewSubscription.auto_renew_nonce,
			};

			// While we're waiting for an AJAX response, block the toggle element to prevent spamming the server.
			blockToggle();

			$.ajax( {
				url: WCSViewSubscription.ajax_url,
				data: data,
				type: 'POST',
				success: function ( result ) {
					if ( result.payment_method ) {
						$paymentMethod.fadeOut( function () {
							$paymentMethod
								.html( result.payment_method )
								.fadeIn();
						} );
					}
					if ( undefined !== result.is_manual ) {
						$paymentMethod.data( 'is_manual', result.is_manual );
					}
				},
				error: function ( jqxhr, status, exception ) {
					alert( 'Exception:', exception );
				},
				complete: unblockToggle,
			} );
		};

		// Enable auto-renew
		if ( $toggle.hasClass( 'subscription-auto-renew-toggle--off' ) ) {
			// if payment method already exists just turn automatic renewals on.
			if ( WCSViewSubscription.has_payment_gateway ) {
				ajaxHandler( 'wcs_enable_auto_renew' );
				displayToggleOn();
			} else if (
				window.confirm( WCSViewSubscription.add_payment_method_msg )
			) {
				// else add payment method
				window.location.href =
					WCSViewSubscription.add_payment_method_url;
			}
		} else {
			// Disable auto-renew
			ajaxHandler( 'wcs_disable_auto_renew' );
			displayToggleOff();
		}

		maybeApplyColor();
	}

	function displayToggleOn() {
		$icon.removeClass( 'fa-toggle-off' ).addClass( 'fa-toggle-on' );
		$toggle
			.removeClass( 'subscription-auto-renew-toggle--off' )
			.addClass( 'subscription-auto-renew-toggle--on' );
	}

	function displayToggleOff() {
		$icon.removeClass( 'fa-toggle-on' ).addClass( 'fa-toggle-off' );
		$toggle
			.removeClass( 'subscription-auto-renew-toggle--on' )
			.addClass( 'subscription-auto-renew-toggle--off' );
	}

	function blockToggle() {
		$toggleContainer.block( {
			message: null,
			overlayCSS: { opacity: 0.0 },
		} );
	}

	function unblockToggle() {
		$toggleContainer.unblock();
	}

	function blockEarlyRenewalModal() {
		$early_renewal_modal_content.block( {
			message: null,
			overlayCSS: {
				background: '#fff',
				opacity: 0.6,
			},
		} );
	}

	// Don't display the early renewal modal for manual subscriptions, they will need to renew via the checkout.
	function shouldShowEarlyRenewalModal( event ) {
		// We're only interested in requests to show the early renewal modal.
		if (
			'.subscription_renewal_early' !==
			$( event.modal ).data( 'modal-trigger' )
		) {
			return;
		}

		return $paymentMethod.data( 'is_manual' ) === 'no';
	}

	function blockActionsOnTrigger() {
		$( '.subscription_details' ).block( {
			message: null,
			overlayCSS: {
				background: '#fff',
				opacity: 0.6,
			},
		} );
	}

	$toggle.on( 'click', onToggle );
	maybeApplyColor();
	displayToggle();

	$early_renewal_modal_submit.on( 'click', blockEarlyRenewalModal );
	$( document ).on( 'wcs_show_modal', shouldShowEarlyRenewalModal );
	$( document ).on( 'click', '.wcs_block_ui_on_click', blockActionsOnTrigger );
} );