Add new Key Takeaways Feature

README.md

@@ -17,6 +17,7 @@ Tap into leading cloud-based services like [OpenAI](https://openai.com/), [Micro
 ## Features
 
 * Generate a summary of post content and store it as an excerpt using [OpenAI's ChatGPT API](https://platform.openai.com/docs/guides/chat), [Microsoft Azure's OpenAI service](https://azure.microsoft.com/en-us/products/ai-services/openai-service) or [Google's Gemini API](https://ai.google.dev/docs/gemini_api_overview)
+* Generate key takeaways from post content and render at the top of a post using [OpenAI's ChatGPT API](https://platform.openai.com/docs/guides/chat) or [Microsoft Azure's OpenAI service](https://azure.microsoft.com/en-us/products/ai-services/openai-service)
 * Generate titles from post content using [OpenAI's ChatGPT API](https://platform.openai.com/docs/guides/chat), [Microsoft Azure's OpenAI service](https://azure.microsoft.com/en-us/products/ai-services/openai-service) or [Google's Gemini API](https://ai.google.dev/docs/gemini_api_overview)
 * Expand or condense text content using [OpenAI's ChatGPT API](https://platform.openai.com/docs/guides/chat), [Microsoft Azure's OpenAI service](https://azure.microsoft.com/en-us/products/ai-services/openai-service) or [Google's Gemini API](https://ai.google.dev/docs/gemini_api_overview)
 * Generate new images on demand to use in-content or as a featured image using [OpenAI's DALL·E 3 API](https://platform.openai.com/docs/guides/images)
@@ -41,6 +42,10 @@ Tap into leading cloud-based services like [OpenAI](https://openai.com/), [Micro
 | :-: | :-: | :-: | :-: |
 | ![Screenshot of ClassifAI audio transcript generation](assets/img/screenshot-9.png "Example of automatic audio transcript generation with OpenAI.") | ![Screenshot of ClassifAI title generation](assets/img/screenshot-10.png "Example of automatic title generation with OpenAI.") | ![Screenshot of ClassifAI expand/condense text feature](assets/img/screenshot-12.png "Example of expanding or condensing text with OpenAI.") | ![Screenshot of ClassifAI text to speech generation](assets/img/screenshot-11.png "Example of automatic text to speech generation with Azure.") |
 
+| Key Takeaways | | | |
+| :-: | :-: | :-: | :-: |
+| ![Screenshot of the ClassifAI Key Takeaways block](assets/img/screenshot-14.png "Example of generating key takeaways using OpenAI.") | | | |
+
 ### Image Processing
 
 | Alt Text | Smart Cropping | Tagging | Generate Images |

includes/Classifai/Blocks/key-takeaways/block.json

@@ -0,0 +1,31 @@
+{
+  "$schema": "https://schemas.wp.org/trunk/block.json",
+  "apiVersion": 3,
+  "title": "Key Takeaways",
+  "description": "Generate a list of key takeaways from post content",
+  "textdomain": "classifai",
+  "name": "classifai/key-takeaways",
+  "category": "text",
+  "keywords": [ "tldr", "summary", "takeaways", "abstract" ],
+  "attributes": {
+    "render": {
+      "type": "string",
+      "default": "list"
+    },
+    "title": {
+      "type": "string",
+      "default": "Key Takeaways"
+    },
+    "takeaways": {
+      "type": "array",
+      "default": []
+    }
+  },
+  "supports": {
+    "html": false,
+    "multiple": false
+  },
+  "editorScript": "key-takeaways-editor-script",
+  "style": "file:./style.css",
+  "render": "file:./render.php"
+}

includes/Classifai/Blocks/key-takeaways/edit.js

@@ -0,0 +1,185 @@
+/**
+ * WordPress dependencies
+ */
+import {
+	useBlockProps,
+	BlockControls,
+	InspectorControls,
+	RichText,
+} from '@wordpress/block-editor';
+import { select } from '@wordpress/data';
+import {
+	Placeholder,
+	ToolbarGroup,
+	Spinner,
+	PanelBody,
+	Button,
+} from '@wordpress/components';
+import { useEffect, useState } from '@wordpress/element';
+import { postList, paragraph } from '@wordpress/icons';
+import { __ } from '@wordpress/i18n';
+import apiFetch from '@wordpress/api-fetch';
+
+/**
+ * Internal dependencies
+ */
+import { ReactComponent as icon } from '../../../../assets/img/block-icon.svg';
+
+const BlockEdit = ( props ) => {
+	const [ isLoading, setIsLoading ] = useState( false );
+	const [ run, setRun ] = useState( false );
+	const { attributes, setAttributes } = props;
+	const { render, takeaways, title } = attributes;
+	const blockProps = useBlockProps();
+
+	useEffect( () => {
+		if ( ( ! isLoading && takeaways.length === 0 ) || run ) {
+			const postId = select( 'core/editor' ).getCurrentPostId();
+			const postContent =
+				select( 'core/editor' ).getEditedPostAttribute( 'content' );
+			const postTitle =
+				select( 'core/editor' ).getEditedPostAttribute( 'title' );
+
+			setRun( false );
+			setIsLoading( true );
+
+			apiFetch( {
+				path: '/classifai/v1/key-takeaways/',
+				method: 'POST',
+				data: {
+					id: postId,
+					content: postContent,
+					title: postTitle,
+					render,
+				},
+			} ).then(
+				async ( res ) => {
+					// Ensure takeaways is always an array.
+					if ( ! Array.isArray( res ) ) {
+						res = [ res ];
+					}
+
+					setAttributes( { takeaways: res } );
+					setIsLoading( false );
+				},
+				( err ) => {
+					setAttributes( {
+						takeaways: [ `Error:  ${ err?.message }` ],
+					} );
+					setIsLoading( false );
+				}
+			);
+		}
+	}, [ run ] );
+
+	const renderControls = [
+		{
+			icon: postList,
+			title: __( 'List view', 'classifai' ),
+			onClick: () => setAttributes( { render: 'list' } ),
+			isActive: render === 'list',
+		},
+		{
+			icon: paragraph,
+			title: __( 'Paragraph view', 'classifai' ),
+			onClick: () => setAttributes( { render: 'paragraph' } ),
+			isActive: render === 'paragraph',
+		},
+	];
+
+	const editTakeaways = ( index, value ) => {
+		const newTakeaways = [ ...takeaways ];
+
+		if ( ! value ) {
+			newTakeaways.splice( index, 1 );
+		} else {
+			newTakeaways[ index ] = value;
+		}
+
+		setAttributes( {
+			takeaways: newTakeaways,
+		} );
+	};
+
+	return (
+		<>
+			<BlockControls>
+				<ToolbarGroup controls={ renderControls } />
+			</BlockControls>
+			<InspectorControls>
+				<PanelBody title={ __( 'Settings', 'classifai' ) }>
+					<Button
+						label={ __( 'Re-generate key takeaways', 'classifai' ) }
+						text={ __( 'Refresh results', 'classifai' ) }
+						variant={ 'secondary' }
+						onClick={ () => setRun( true ) }
+						isBusy={ isLoading }
+					/>
+				</PanelBody>
+			</InspectorControls>
+
+			{ isLoading && (
+				<Placeholder
+					icon={ icon }
+					label={ __( 'Generating Key Takeaways', 'classifai' ) }
+				>
+					<Spinner
+						style={ {
+							height: 'calc(4px * 10)',
+							width: 'calc(4px * 10)',
+						} }
+					/>
+				</Placeholder>
+			) }
+
+			{ ! isLoading && (
+				<div { ...blockProps }>
+					<RichText
+						tagName="h2"
+						className="wp-block-heading wp-block-classifai-key-takeaways__title"
+						value={ title }
+						onChange={ ( value ) =>
+							setAttributes( { title: value } )
+						}
+						placeholder="Key Takeaways"
+					/>
+					<div
+						className="wp-block-classifai-key-takeways__content"
+						style={ { fontStyle: 'italic' } }
+					>
+						{ render === 'list' && (
+							<ul>
+								{ takeaways.map( ( takeaway, index ) => (
+									<RichText
+										tagName="li"
+										value={ takeaway }
+										key={ index }
+										onChange={ ( value ) =>
+											editTakeaways( index, value )
+										}
+									/>
+								) ) }
+							</ul>
+						) }
+						{ render === 'paragraph' && (
+							<>
+								{ takeaways.map( ( takeaway, index ) => (
+									<RichText
+										tagName="p"
+										value={ takeaway }
+										key={ index }
+										onChange={ ( value ) =>
+											editTakeaways( index, value )
+										}
+									/>
+								) ) }
+							</>
+						) }
+					</div>
+				</div>
+			) }
+		</>
+	);
+};
+
+export default BlockEdit;

includes/Classifai/Blocks/key-takeaways/index.js

@@ -0,0 +1,25 @@
+/**
+ * Key Takeaways block
+ */
+
+/**
+ * WordPress dependencies
+ */
+import { registerBlockType } from '@wordpress/blocks';
+
+/**
+ * Internal dependencies
+ */
+import edit from './edit';
+import save from './save';
+import block from './block.json';
+import { ReactComponent as icon } from '../../../../assets/img/block-icon.svg';
+
+/**
+ * Register block
+ */
+registerBlockType( block, {
+	edit,
+	save,
+	icon,
+} );

includes/Classifai/Blocks/key-takeaways/render.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Render callback for the Key Takeaways block.
+ *
+ * @var array    $attributes Block attributes.
+ * @var string   $content    Block content.
+ * @var WP_Block $block      Block instance.
+ */
+
+$block_title = $attributes['title'] ?? '';
+$layout      = $attributes['render'] ?? 'list';
+$takeaways   = $attributes['takeaways'] ?? [];
+?>
+
+<div <?php echo get_block_wrapper_attributes(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>>
+	<?php if ( $block_title ) : ?>
+		<h2 class="wp-block-heading wp-block-classifai-key-takeaways__title">
+			<?php echo wp_kses_post( $block_title ); ?>
+		</h2>
+	<?php endif; ?>
+
+	<div class="wp-block-classifai-key-takeaways__content">
+	<?php
+	if ( 'list' === $layout ) {
+		echo '<ul>';
+		foreach ( (array) $takeaways as $takeaway ) {
+			printf(
+				'<li>%s</li>',
+				esc_html( $takeaway )
+			);
+		}
+		echo '</ul>';
+	} else {
+		foreach ( (array) $takeaways as $takeaway ) {
+			printf(
+				'<p>%s</p>',
+				esc_html( $takeaway )
+			);
+		}
+	}
+	?>
+	</div>
+</div>

includes/Classifai/Blocks/key-takeaways/save.js

@@ -0,0 +1,8 @@
+/**
+ * See https://wordpress.org/gutenberg/handbook/designers-developers/developers/block-api/block-edit-save/#save
+ *
+ * @return {null} Dynamic blocks do not save the HTML.
+ */
+const BlockSave = () => null;
+
+export default BlockSave;

includes/Classifai/Blocks/key-takeaways/style.css

@@ -0,0 +1,3 @@
+.wp-block-classifai-key-takeaways__content {
+	font-style: italic;
+}