update how restore post action works

packages/editor/src/components/post-actions/actions.js

@@ -288,24 +288,34 @@ export function useRestorePostAction() {
 				return status === 'trash';
 			},
 			async callback( posts, onActionPerformed ) {
-				try {
-					for ( const post of posts ) {
-						await editEntityRecord(
+				await Promise.allSettled(
+					posts.map( ( post ) => {
+						return editEntityRecord(
 							'postType',
 							post.type,
 							post.id,
 							{
 								status: 'draft',
 							}
 						);
-						await saveEditedEntityRecord(
+					} )
+				);
+				const promiseResult = await Promise.allSettled(
+					posts.map( ( post ) => {
+						return saveEditedEntityRecord(
 							'postType',
 							post.type,
 							post.id,
 							{ throwOnError: true }
 						);
-					}
+					} )
+				);
 
+				if (
+					promiseResult.every(
+						( { status } ) => status === 'fulfilled'
+					)
+				) {
 					createSuccessNotice(
 						posts.length > 1
 							? sprintf(
@@ -326,25 +336,56 @@ export function useRestorePostAction() {
 					if ( onActionPerformed ) {
 						onActionPerformed( posts );
 					}
-				} catch ( error ) {
+				} else {
+					// If there was at lease one failure.
 					let errorMessage;
-					if (
-						error.message &&
-						error.code !== 'unknown_error' &&
-						error.message
-					) {
-						errorMessage = error.message;
-					} else if ( posts.length > 1 ) {
-						errorMessage = __(
-							'An error occurred while restoring the posts.'
-						);
+					// If we were trying to move a single post to the trash.
+					if ( promiseResult.length === 1 ) {
+						if ( promiseResult[ 0 ].reason?.message ) {
+							errorMessage = promiseResult[ 0 ].reason.message;
+						} else {
+							errorMessage = __(
+								'An error occurred while restoring the post.'
+							);
+						}
+						// If we were trying to move multiple posts to the trash
 					} else {
-						errorMessage = __(
-							'An error occurred while restoring the post.'
+						const errorMessages = new Set();
+						const failedPromises = promiseResult.filter(
+							( { status } ) => status === 'rejected'
 						);
+						for ( const failedPromise of failedPromises ) {
+							if ( failedPromise.reason?.message ) {
+								errorMessages.add(
+									failedPromise.reason.message
+								);
+							}
+						}
+						if ( errorMessages.size === 0 ) {
+							errorMessage = __(
+								'An error occurred while restoring the posts.'
+							);
+						} else if ( errorMessages.size === 1 ) {
+							errorMessage = sprintf(
+								/* translators: %s: an error message */
+								__(
+									'An error occurred while restoring the posts: %s'
+								),
+								[ ...errorMessages ][ 0 ]
+							);
+						} else {
+							errorMessage = sprintf(
+								/* translators: %s: a list of comma separated error messages */
+								__(
+									'Some errors occurred while restoring the posts: %s'
+								),
+								[ ...errorMessages ].join( ',' )
+							);
+						}
 					}
-
-					createErrorNotice( errorMessage, { type: 'snackbar' } );
+					createErrorNotice( errorMessage, {
+						type: 'snackbar',
+					} );
 				}
 			},
 		} ),