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import Heading from '@components/atoms/headings/heading';
import PostsList, { type Post } from '@components/organisms/layout/posts-list';
import LinksListWidget from '@components/organisms/widgets/links-list-widget';
import PageLayout, {
type PageLayoutProps,
} from '@components/templates/page/page-layout';
import {
getAllThematicsSlugs,
getThematicBySlug,
getThematicsPreview,
getTotalThematics,
} from '@services/graphql/thematics';
import { type Article, type PageLink, type Thematic } from '@ts/types/app';
import { loadTranslation, type Messages } from '@utils/helpers/i18n';
import {
getLinksListItems,
getPageLinkFromRawData,
getPostMeta,
} from '@utils/helpers/pages';
import useBreadcrumb from '@utils/hooks/use-breadcrumb';
import useSettings from '@utils/hooks/use-settings';
import { GetStaticPaths, GetStaticProps, NextPage } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import Script from 'next/script';
import { ParsedUrlQuery } from 'querystring';
import { useIntl } from 'react-intl';
import { Article as ArticleSchema, Graph, WebPage } from 'schema-dts';
export type ThematicPageProps = {
currentThematic: Thematic;
thematics: PageLink[];
translation: Messages;
};
const ThematicPage: NextPage<ThematicPageProps> = ({
currentThematic,
thematics,
}) => {
const { content, intro, meta, slug, title } = currentThematic;
const { articles, dates, seo, topics } = meta;
const intl = useIntl();
const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumb({
title,
url: `/thematique/${slug}`,
});
const headerMeta: PageLayoutProps['headerMeta'] = {
publication: { date: dates.publication },
update: dates.update ? { date: dates.update } : undefined,
};
const { website } = useSettings();
const { asPath } = useRouter();
const pageUrl = `${website.url}${asPath}`;
const pagePublicationDate = new Date(dates.publication);
const pageUpdateDate = dates.update ? new Date(dates.update) : undefined;
const webpageSchema: WebPage = {
'@id': `${pageUrl}`,
'@type': 'WebPage',
breadcrumb: { '@id': `${website.url}/#breadcrumb` },
name: seo.title,
description: seo.description,
inLanguage: website.locales.default,
reviewedBy: { '@id': `${website.url}/#branding` },
url: `${website.url}`,
};
const articleSchema: ArticleSchema = {
'@id': `${website.url}/#thematic`,
'@type': 'Article',
name: title,
description: intro,
author: { '@id': `${website.url}/#branding` },
copyrightYear: pagePublicationDate.getFullYear(),
creator: { '@id': `${website.url}/#branding` },
dateCreated: pagePublicationDate.toISOString(),
dateModified: pageUpdateDate && pageUpdateDate.toISOString(),
datePublished: pagePublicationDate.toISOString(),
editor: { '@id': `${website.url}/#branding` },
headline: title,
inLanguage: website.locales.default,
isPartOf: { '@id': `${website.url}/blog` },
license: 'https://creativecommons.org/licenses/by-sa/4.0/deed.fr',
mainEntityOfPage: { '@id': `${pageUrl}` },
subjectOf: { '@id': `${website.url}/blog` },
};
const schemaJsonLd: Graph = {
'@context': 'https://schema.org',
'@graph': [webpageSchema, articleSchema],
};
const getPosts = (array: Article[]): Post[] => {
return array.map((article) => {
const {
intro: articleIntro,
meta: articleMeta,
slug: articleSlug,
...remainingData
} = article;
const { cover, ...remainingMeta } = articleMeta;
return {
cover,
excerpt: articleIntro,
meta: getPostMeta(remainingMeta),
url: `/article/${articleSlug}`,
...remainingData,
};
});
};
const thematicsListTitle = intl.formatMessage({
defaultMessage: 'Other thematics',
description: 'ThematicPage: other thematics list widget title',
id: 'KVSWGP',
});
const topicsListTitle = intl.formatMessage({
defaultMessage: 'Related topics',
description: 'ThematicPage: related topics list widget title',
id: '/42Z0z',
});
return (
<>
<Head>
<title>{seo.title}</title>
<meta name="description" content={seo.description} />
<meta property="og:url" content={`${pageUrl}`} />
<meta property="og:type" content="article" />
<meta property="og:title" content={title} />
<meta property="og:description" content={intro} />
</Head>
<Script
id="schema-project"
type="application/ld+json"
dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
/>
<PageLayout
breadcrumb={breadcrumbItems}
breadcrumbSchema={breadcrumbSchema}
title={title}
intro={intro}
headerMeta={headerMeta}
widgets={
topics
? [
<LinksListWidget
key="thematics"
items={getLinksListItems(thematics, 'thematic')}
title={thematicsListTitle}
level={2}
/>,
<LinksListWidget
key="related-topics"
items={getLinksListItems(topics, 'topic')}
title={topicsListTitle}
level={2}
/>,
]
: []
}
>
<div dangerouslySetInnerHTML={{ __html: content }} />
{articles && (
<>
<Heading level={2}>
{intl.formatMessage(
{
defaultMessage: 'All posts in {thematicName}',
description: 'ThematicPage: posts list heading',
id: 'LszkU6',
},
{ thematicName: title }
)}
</Heading>
<PostsList
posts={getPosts(articles)}
total={articles.length}
titleLevel={3}
byYear={true}
/>
</>
)}
</PageLayout>
</>
);
};
interface ThematicParams extends ParsedUrlQuery {
slug: string;
}
export const getStaticProps: GetStaticProps<ThematicPageProps> = async ({
locale,
params,
}) => {
const currentThematic = await getThematicBySlug(
params!.slug as ThematicParams['slug']
);
const totalThematics = await getTotalThematics();
const allThematicsEdges = await getThematicsPreview({
first: totalThematics,
});
const allThematics = allThematicsEdges.edges.map((edge) =>
getPageLinkFromRawData(edge.node)
);
const translation = await loadTranslation(locale);
return {
props: {
currentThematic: JSON.parse(JSON.stringify(currentThematic)),
thematics: allThematics.filter(
(thematic) => thematic.slug !== (params!.slug as ThematicParams['slug'])
),
translation,
},
};
};
export const getStaticPaths: GetStaticPaths = async () => {
const slugs = await getAllThematicsSlugs();
const paths = slugs.map((slug) => {
return { params: { slug } };
});
return {
paths,
fallback: false,
};
};
export default ThematicPage;
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