Marketplace: clean up and setup paid plugins purchase flow (#59065)

* Marketplace: removes productGroupSlug and static product references.

* Marketplace: removes product definitions.

* Marketplace: removes code and files not used anymore.

* Marketplace: renames plugin upload status to plugin install.

* Marketplace: fixes class names.

* Marketplace: remove shopping cart from domain upsell.

* Marketplace: disallow removing business bundle for carts containing marketplace products.

* Marketplace Test: adds paid plugin flow to test page.

* Marketplace: fixes selector arguement.

* Marketplace: fixes lint problems.

* Marketplace: removes jsdoc due to TS.

* Rebase fixes.

* Marketplace test: adds comment for monthly pricing

* Rebase fixes.

* Marketplace: disallow business plan removal for marketplace items.

* Marketplace: fixes tests.

* Marketplace: ignores test file for ts errors.

* Marketplace: fixes theme provider ts errors.

Co-authored-by: cpap <papazoglou.charalampos@gmail.com>

client/my-sites/checkout/composite-checkout/components/wp-order-review-line-items.tsx

@@ -1,4 +1,4 @@
-import { isPremium } from '@automattic/calypso-products';
+import { isPremium, isBusiness } from '@automattic/calypso-products';
 import { FormStatus, useFormStatus } from '@automattic/composite-checkout';
 import {
 	getCouponLineItemFromCart,
@@ -11,7 +11,9 @@ import {
 import styled from '@emotion/styled';
 import PropTypes from 'prop-types';
 import * as React from 'react';
+import { useSelector } from 'react-redux';
 import { hasDIFMProduct } from 'calypso/lib/cart-values/cart-items';
+import { isMarketplaceProduct } from 'calypso/state/products-list/selectors';
 import { ItemVariationPicker } from './item-variation-picker';
 import type { OnChangeItemVariant } from './item-variation-picker';
 import type { Theme } from '@automattic/composite-checkout';
@@ -77,6 +79,11 @@ export function WPOrderReviewLineItems( {
 	const couponLineItem = getCouponLineItemFromCart( responseCart );
 	const { formStatus } = useFormStatus();
 	const isDisabled = formStatus !== FormStatus.READY;
+	const hasMarketplaceProduct = useSelector( ( state ) =>
+		responseCart.products.some( ( product: ResponseCartProduct ) =>
+			isMarketplaceProduct( state, product.product_slug )
+		)
+	);
 
 	return (
 		<WPOrderReviewList className={ joinClasses( [ className, 'order-review-line-items' ] ) }>
@@ -90,7 +97,7 @@ export function WPOrderReviewLineItems( {
 					<WPOrderReviewListItem key={ product.uuid }>
 						<LineItem
 							product={ product }
-							hasDeleteButton={ canItemBeDeleted( product, responseCart ) }
+							hasDeleteButton={ canItemBeDeleted( product, responseCart, hasMarketplaceProduct ) }
 							removeProductFromCart={ removeProductFromCart }
 							isSummary={ isSummary }
 							createUserAndSiteBeforeTransaction={ createUserAndSiteBeforeTransaction }
@@ -149,23 +156,28 @@ WPOrderReviewLineItems.propTypes = {
 
 /**
  * Checks if the given item is the premium plan product and the DIFM product exists in the provided shopping cart object
- *
- * @param item The shopping basket line item
- * @param cartProducts The shopping cart object
- * @returns boolean
  */
-function isPremiumPlanWithDIFMInTheCart( item: ResponseCartProduct, cartProducts: ResponseCart ) {
-	return isPremium( item ) && hasDIFMProduct( cartProducts );
+function isPremiumPlanWithDIFMInTheCart( item: ResponseCartProduct, responseCart: ResponseCart ) {
+	return isPremium( item ) && hasDIFMProduct( responseCart );
 }
 
-function canItemBeDeleted( item: ResponseCartProduct, cartProducts: ResponseCart ): boolean {
+function canItemBeDeleted(
+	item: ResponseCartProduct,
+	responseCart: ResponseCart,
+	hasMarketplaceProduct: boolean
+): boolean {
 	const itemTypesThatCannotBeDeleted = [ 'domain_redemption' ];
 	if ( itemTypesThatCannotBeDeleted.includes( item.product_slug ) ) {
 		return false;
 	}
 
 	// The Premium plan cannot be removed from the cart when in combination with the DIFM lite product
-	if ( isPremiumPlanWithDIFMInTheCart( item, cartProducts ) ) {
+	if ( isPremiumPlanWithDIFMInTheCart( item, responseCart ) ) {
+		return false;
+	}
+
+	// The Business plan cannot be removed from the cart when in combination with a marketplace product
+	if ( isBusiness( item ) && hasMarketplaceProduct ) {
 		return false;
 	}
 	return true;

client/my-sites/checkout/composite-checkout/test/composite-checkout-variant-picker.tsx

@@ -7,6 +7,7 @@ import { render, fireEvent, screen, within } from '@testing-library/react';
 import { Provider as ReduxProvider } from 'react-redux';
 import '@testing-library/jest-dom/extend-expect';
 import useCartKey from 'calypso/my-sites/checkout/use-cart-key';
+import { isMarketplaceProduct } from 'calypso/state/products-list/selectors';
 import { getDomainsBySiteId, hasLoadedSiteDomains } from 'calypso/state/sites/domains/selectors';
 import { getPlansBySiteId } from 'calypso/state/sites/plans/selectors/get-plans-by-site';
 import CompositeCheckout from '../composite-checkout';
@@ -32,6 +33,7 @@ jest.mock( 'calypso/state/selectors/is-site-automated-transfer' );
 jest.mock( 'calypso/state/sites/plans/selectors/get-plans-by-site' );
 jest.mock( 'calypso/my-sites/checkout/use-cart-key' );
 jest.mock( 'calypso/lib/analytics/utils/refresh-country-code-cookie-gdpr' );
+jest.mock( 'calypso/state/products-list/selectors/is-marketplace-product' );
 
 /* eslint-disable jest/no-conditional-expect */
 
@@ -45,6 +47,7 @@ describe( 'CompositeCheckout with a variant picker', () => {
 		} ) );
 		hasLoadedSiteDomains.mockImplementation( () => true );
 		getDomainsBySiteId.mockImplementation( () => [] );
+		isMarketplaceProduct.mockImplementation( () => false );
 
 		const initialCart = {
 			coupon: '',

client/my-sites/checkout/composite-checkout/test/composite-checkout.js

@@ -17,6 +17,7 @@ import page from 'page';
 import { Provider as ReduxProvider } from 'react-redux';
 import '@testing-library/jest-dom/extend-expect';
 import useCartKey from 'calypso/my-sites/checkout/use-cart-key';
+import { isMarketplaceProduct } from 'calypso/state/products-list/selectors';
 import isAtomicSite from 'calypso/state/selectors/is-site-automated-transfer';
 import { getDomainsBySiteId, hasLoadedSiteDomains } from 'calypso/state/sites/domains/selectors';
 import { getPlansBySiteId } from 'calypso/state/sites/plans/selectors/get-plans-by-site';
@@ -46,6 +47,7 @@ jest.mock( 'calypso/state/selectors/is-site-automated-transfer' );
 jest.mock( 'calypso/state/sites/plans/selectors/get-plans-by-site' );
 jest.mock( 'calypso/my-sites/checkout/use-cart-key' );
 jest.mock( 'calypso/lib/analytics/utils/refresh-country-code-cookie-gdpr' );
+jest.mock( 'calypso/state/products-list/selectors/is-marketplace-product' );
 
 jest.mock( 'page', () => ( {
 	redirect: jest.fn(),
@@ -62,6 +64,7 @@ describe( 'CompositeCheckout', () => {
 		} ) );
 		hasLoadedSiteDomains.mockImplementation( () => true );
 		getDomainsBySiteId.mockImplementation( () => [] );
+		isMarketplaceProduct.mockImplementation( () => false );
 
 		container = document.createElement( 'div' );
 		document.body.appendChild( container );