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import { getLayout } from '@components/Layouts/Layout';
import PostHeader from '@components/PostHeader/PostHeader';
import PostPreview from '@components/PostPreview/PostPreview';
import Sidebar from '@components/Sidebar/Sidebar';
import Spinner from '@components/Spinner/Spinner';
import { RelatedTopics, ThematicsList, ToC } from '@components/Widgets';
import {
getAllThematics,
getAllThematicsSlug,
getThematicBySlug,
} from '@services/graphql/queries';
import styles from '@styles/pages/Page.module.scss';
import { NextPageWithLayout } from '@ts/types/app';
import { ArticleMeta } from '@ts/types/articles';
import { TopicPreview, ThematicProps } from '@ts/types/taxonomies';
import { settings } from '@utils/config';
import { getFormattedPaths } from '@utils/helpers/format';
import { loadTranslation } from '@utils/helpers/i18n';
import { GetStaticPaths, GetStaticProps, GetStaticPropsContext } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import { ParsedUrlQuery } from 'querystring';
import { useRef } from 'react';
import { useIntl } from 'react-intl';
import { Article, Graph, WebPage } from 'schema-dts';
const Thematic: NextPageWithLayout<ThematicProps> = ({
thematic,
allThematics,
}) => {
const intl = useIntl();
const relatedTopics = useRef<TopicPreview[]>([]);
const router = useRouter();
if (router.isFallback) return <Spinner />;
const updateRelatedTopics = (newTopics: TopicPreview[]) => {
newTopics.forEach((topic) => {
const topicIndex = relatedTopics.current.findIndex(
(relatedTopic) => relatedTopic.id === topic.id
);
const hasTopic = topicIndex === -1 ? false : true;
if (!hasTopic) relatedTopics.current.push(topic);
});
};
const getPostsList = () => {
return [...thematic.posts].reverse().map((post) => {
updateRelatedTopics(post.topics);
return (
<li key={post.id} className={styles.item}>
<PostPreview post={post} titleLevel={3} />
</li>
);
});
};
const meta: ArticleMeta = {
dates: thematic.dates,
results: thematic.posts.length,
};
const thematicUrl = `${settings.url}${router.asPath}`;
const webpageSchema: WebPage = {
'@id': `${thematicUrl}`,
'@type': 'WebPage',
breadcrumb: { '@id': `${settings.url}/#breadcrumb` },
name: thematic.seo.title,
description: thematic.seo.metaDesc,
inLanguage: settings.locales.defaultLocale,
reviewedBy: { '@id': `${settings.url}/#branding` },
url: `${settings.url}`,
};
const publicationDate = new Date(thematic.dates.publication);
const updateDate = new Date(thematic.dates.update);
const articleSchema: Article = {
'@id': `${settings.url}/#thematic`,
'@type': 'Article',
name: thematic.title,
description: thematic.intro,
author: { '@id': `${settings.url}/#branding` },
copyrightYear: publicationDate.getFullYear(),
creator: { '@id': `${settings.url}/#branding` },
dateCreated: publicationDate.toISOString(),
dateModified: updateDate.toISOString(),
datePublished: publicationDate.toISOString(),
editor: { '@id': `${settings.url}/#branding` },
headline: thematic.title,
inLanguage: settings.locales.defaultLocale,
isPartOf: { '@id': `${settings.url}/blog` },
license: 'https://creativecommons.org/licenses/by-sa/4.0/deed.fr',
mainEntityOfPage: { '@id': `${thematicUrl}` },
subjectOf: { '@id': `${settings.url}/blog` },
};
const schemaJsonLd: Graph = {
'@context': 'https://schema.org',
'@graph': [webpageSchema, articleSchema],
};
return (
<>
<Head>
<title>{thematic.seo.title}</title>
<meta name="description" content={thematic.seo.metaDesc} />
<meta property="og:url" content={`${thematic}`} />
<meta property="og:type" content="article" />
<meta property="og:title" content={thematic.title} />
<meta property="og:description" content={thematic.intro} />
<script
type="application/ld+json"
dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
></script>
</Head>
<article
id="thematic"
className={`${styles.article} ${styles['article--no-comments']}`}
>
<PostHeader intro={thematic.intro} meta={meta} title={thematic.title} />
<Sidebar
position="left"
ariaLabel={intl.formatMessage({
defaultMessage: 'Table of Contents',
description: 'ThematicPage: ToC sidebar aria-label',
})}
>
<ToC />
</Sidebar>
<div className={styles.body}>
<div dangerouslySetInnerHTML={{ __html: thematic.content }}></div>
{thematic.posts.length > 0 && (
<section className={styles.section}>
<h2>
{intl.formatMessage(
{
defaultMessage: 'All posts in {name}',
description: 'ThematicPage: posts list title',
},
{ name: thematic.title }
)}
</h2>
<ol className={styles.list}>{getPostsList()}</ol>
</section>
)}
</div>
<Sidebar
position="right"
ariaLabel={intl.formatMessage({
defaultMessage: 'Sidebar',
description: 'ThematicPage: right sidebar aria-label',
})}
>
<RelatedTopics topics={relatedTopics.current} />
<ThematicsList
initialData={allThematics}
title={intl.formatMessage({
defaultMessage: 'Others thematics',
description: 'ThematicPage: thematics list widget title',
})}
/>
</Sidebar>
</article>
</>
);
};
Thematic.getLayout = getLayout;
interface PostParams extends ParsedUrlQuery {
slug: string;
}
export const getStaticProps: GetStaticProps = async (
context: GetStaticPropsContext
) => {
const { locale } = context;
const translation = await loadTranslation(locale);
const { slug } = context.params as PostParams;
const thematic = await getThematicBySlug(slug);
const allThematics = await getAllThematics();
const breadcrumbTitle = thematic.title;
return {
props: {
allThematics,
breadcrumbTitle,
locale,
thematic,
translation,
},
};
};
export const getStaticPaths: GetStaticPaths = async () => {
const allSlugs = await getAllThematicsSlug();
const paths = getFormattedPaths(allSlugs);
return {
paths,
fallback: true,
};
};
export default Thematic;
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