Font Library: refactor client side install functions to work with revised API

packages/edit-site/src/components/global-styles/font-library-modal/context.js

@@ -14,7 +14,8 @@ import {
  * Internal dependencies
  */
 import {
-	fetchInstallFont,
+	fetchGetFontFamilyBySlug,
+	fetchInstallFontFamily,
 	fetchUninstallFonts,
 	fetchFontCollections,
 	fetchFontCollection,
@@ -26,10 +27,11 @@ import {
 	mergeFontFamilies,
 	loadFontFaceInBrowser,
 	getDisplaySrcFromFontFace,
-	makeFormDataFromFontFamily,
+	makeFontFacesFormData,
+	makeFontFamilyFormData,
+	batchInstallFontFaces,
 } from './utils';
 import { toggleFont } from './utils/toggleFont';
-import getIntersectingFontFaces from './utils/get-intersecting-font-faces';
 
 export const FontLibraryContext = createContext( {} );
 
@@ -60,12 +62,19 @@ function FontLibraryProvider( { children } ) {
 		records: libraryPosts = [],
 		isResolving: isResolvingLibrary,
 		hasResolved: hasResolvedLibrary,
-	} = useEntityRecords( 'postType', 'wp_font_family', { refreshKey } );
+	} = useEntityRecords( 'postType', 'wp_font_family', {
+		refreshKey,
+		_embed: true,
+	} );
 
 	const libraryFonts =
-		( libraryPosts || [] ).map( ( post ) =>
-			JSON.parse( post.content.raw )
-		) || [];
+		( libraryPosts || [] ).map( ( post ) => {
+			post.font_family_settings.fontFace =
+				post?._embedded?.font_faces.map(
+					( face ) => face.font_face_settings
+				) || [];
+			return post.font_family_settings;
+		} ) || [];
 
 	// Global Styles (settings) font families
 	const [ fontFamilies, setFontFamilies ] = useGlobalSetting(
@@ -195,32 +204,108 @@ function FontLibraryProvider( { children } ) {
 	async function installFont( font ) {
 		setIsInstalling( true );
 		try {
-			// Prepare formData to install.
-			const formData = makeFormDataFromFontFamily( font );
+			// Get the ID of the font family post, if it is already installed.
+			let installedFontFamily = await fetchGetFontFamilyBySlug(
+				font.slug
+			)
+				.then( ( response ) => {
+					if ( ! response || response.length === 0 ) {
+						return null;
+					}
+					const fontFamilyPost = response[ 0 ];
+					return {
+						id: fontFamilyPost.id,
+						...fontFamilyPost.font_family_settings,
+						fontFace:
+							fontFamilyPost?._embedded?.font_faces.map(
+								( face ) => face.font_face_settings
+							) || [],
+					};
+				} )
+				.catch( ( e ) => {
+					// eslint-disable-next-line no-console
+					console.error( e );
+					return null;
+				} );
+
+			// Otherwise, install it.
+			if ( ! installedFontFamily ) {
+				const fontFamilyFormData = makeFontFamilyFormData( font );
+				// Prepare font family form data to install.
+				installedFontFamily = await fetchInstallFontFamily(
+					fontFamilyFormData
+				)
+					.then( ( response ) => {
+						return {
+							id: response.id,
+							...response.font_face_settings,
+							fontFace: [],
+						};
+					} )
+					.catch( ( e ) => {
+						throw Error( e.message );
+					} );
+			}
+
+			// Filter Font Faces that have already been installed
+			// We determine that by comparing the fontWeight and fontStyle
+			font.fontFace = font.fontFace.filter( ( fontFaceToInstall ) => {
+				return (
+					-1 ===
+					installedFontFamily.fontFace.findIndex(
+						( installedFontFace ) => {
+							return (
+								installedFontFace.fontWeight ===
+									fontFaceToInstall.fontWeight &&
+								installedFontFace.fontStyle ===
+									fontFaceToInstall.fontStyle
+							);
+						}
+					)
+				);
+			} );
+
+			if ( font.fontFace.length === 0 ) {
+				// Looks like we're only trying to install fonts that are already installed.
+				// Let's not do that.
+				// TODO: Exit with an error message?
+				return {
+					errors: [ 'All font faces are already installed' ],
+				};
+			}
+
+			// Prepare font faces form data to install.
+			const fontFacesFormData = makeFontFacesFormData( font );
+
 			// Install the fonts (upload the font files to the server and create the post in the database).
-			const response = await fetchInstallFont( formData );
-			const fontsInstalled = response?.successes || [];
-			// Get intersecting font faces between the fonts we tried to installed and the fonts that were installed
-			// (to avoid activating a non installed font).
-			const fontToBeActivated = getIntersectingFontFaces(
-				fontsInstalled,
-				[ font ]
+			const response = await batchInstallFontFaces(
+				installedFontFamily.id,
+				fontFacesFormData
 			);
-			// Activate the font families (add the font families to the global styles).
-			activateCustomFontFamilies( fontToBeActivated );
+
+			const fontFacesInstalled = response?.successes || [];
+
+			// Rebuild fontFace settings
+			font.fontFace =
+				fontFacesInstalled.map( ( face ) => {
+					return face.font_face_settings;
+				} ) || [];
+
+			// Activate the font family (add the font family to the global styles).
+			activateCustomFontFamilies( [ font ] );
 			// Save the global styles to the database.
 			saveSpecifiedEntityEdits( 'root', 'globalStyles', globalStylesId, [
 				'settings.typography.fontFamilies',
 			] );
 			refreshLibrary();
-			setIsInstalling( false );
 
 			return response;
 		} catch ( error ) {
-			setIsInstalling( false );
 			return {
 				errors: [ error ],
 			};
+		} finally {
+			setIsInstalling( false );
 		}
 	}
 

packages/edit-site/src/components/global-styles/font-library-modal/resolvers.js

@@ -7,7 +7,7 @@
  */
 import apiFetch from '@wordpress/api-fetch';
 
-export async function fetchInstallFont( data ) {
+export async function fetchInstallFontFamily( data ) {
 	const config = {
 		path: '/wp/v2/font-families',
 		method: 'POST',
@@ -16,6 +16,23 @@ export async function fetchInstallFont( data ) {
 	return apiFetch( config );
 }
 
+export async function fetchInstallFontFace( fontFamilyId, data ) {
+	const config = {
+		path: `/wp/v2/font-families/${ fontFamilyId }/font-faces`,
+		method: 'POST',
+		body: data,
+	};
+	return apiFetch( config );
+}
+
+export async function fetchGetFontFamilyBySlug( slug ) {
+	const config = {
+		path: `/wp/v2/font-families?slug=${ slug }&_embed=true`,
+		method: 'GET',
+	};
+	return apiFetch( config );
+}
+
 export async function fetchUninstallFonts( fonts ) {
 	const data = {
 		font_families: fonts,

packages/edit-site/src/components/global-styles/font-library-modal/utils/index.js

@@ -8,6 +8,7 @@ import { privateApis as componentsPrivateApis } from '@wordpress/components';
  */
 import { FONT_WEIGHTS, FONT_STYLES } from './constants';
 import { unlock } from '../../../../lock-unlock';
+import { fetchInstallFontFace } from '../resolvers';
 
 /**
  * Browser dependencies
@@ -135,39 +136,84 @@ export function getDisplaySrcFromFontFace( input, urlPrefix ) {
 	return src;
 }
 
-export function makeFormDataFromFontFamily( fontFamily ) {
+export function makeFontFamilyFormData( fontFamily ) {
 	const formData = new FormData();
 	const { kebabCase } = unlock( componentsPrivateApis );
 
-	const newFontFamily = {
-		...fontFamily,
+	const { fontFace, category, ...familyWithValidParameters } = fontFamily;
+	const fontFamilySettings = {
+		...familyWithValidParameters,
 		slug: kebabCase( fontFamily.slug ),
 	};
 
-	if ( newFontFamily?.fontFace ) {
-		const newFontFaces = newFontFamily.fontFace.map(
-			( face, faceIndex ) => {
-				if ( face.file ) {
-					// Slugified file name because the it might contain spaces or characters treated differently on the server.
-					const fileId = `file-${ faceIndex }`;
-					// Add the files to the formData
-					formData.append( fileId, face.file, face.file.name );
-					// remove the file object from the face object the file is referenced by the uploadedFile key
-					const { file, ...faceWithoutFileProperty } = face;
-					const newFace = {
-						...faceWithoutFileProperty,
-						uploadedFile: fileId,
-					};
-					return newFace;
-				}
-				return face;
+	formData.append(
+		'font_family_settings',
+		JSON.stringify( fontFamilySettings )
+	);
+	return formData;
+}
+
+export function makeFontFacesFormData( font ) {
+	if ( font?.fontFace ) {
+		const fontFacesFormData = font.fontFace.map( ( face, faceIndex ) => {
+			const formData = new FormData();
+			if ( face.file ) {
+				// Slugified file name because the it might contain spaces or characters treated differently on the server.
+				const fileId = `file-${ faceIndex }`;
+				// Add the files to the formData
+				formData.append( fileId, face.file, face.file.name );
+				// remove the file object from the face object the file is referenced in src
+				const { file, ...faceWithoutFileProperty } = face;
+				const fontFaceSettings = {
+					...faceWithoutFileProperty,
+					src: fileId,
+				};
+				formData.append(
+					'font_face_settings',
+					JSON.stringify( fontFaceSettings )
+				);
+			} else {
+				formData.append( 'font_face_settings', JSON.stringify( face ) );
 			}
-		);
-		newFontFamily.fontFace = newFontFaces;
+			return formData;
+		} );
+
+		return fontFacesFormData;
 	}
+}
 
-	formData.append( 'font_family_settings', JSON.stringify( newFontFamily ) );
-	return formData;
+export async function batchInstallFontFaces( fontFamilyId, fontFacesData ) {
+	const promises = fontFacesData.map( ( faceData ) =>
+		fetchInstallFontFace( fontFamilyId, faceData )
+	);
+	const responses = await Promise.allSettled( promises );
+
+	const results = {
+		errors: [],
+		successes: [],
+	};
+
+	responses.forEach( ( result, index ) => {
+		if ( result.status === 'fulfilled' ) {
+			const response = result.value;
+			if ( response.id ) {
+				results.successes.push( response );
+			} else {
+				results.errors.push( {
+					data: fontFacesData[ index ],
+					message: `Error: ${ response.message }`,
+				} );
+			}
+		} else {
+			// Handle network errors or other fetch-related errors
+			results.errors.push( {
+				data: fontFacesData[ index ],
+				error: `Fetch error: ${ result.reason }`,
+			} );
+		}
+	} );
+
+	return results;
 }
 
 /*