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import { GetStaticPaths, GetStaticProps } 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 Heading from '../../components/atoms/headings/heading';
import ResponsiveImage from '../../components/molecules/images/responsive-image';
import PostsList from '../../components/organisms/layout/posts-list';
import LinksListWidget from '../../components/organisms/widgets/links-list-widget';
import { getLayout } from '../../components/templates/layout/layout';
import PageLayout, {
type PageLayoutProps,
} from '../../components/templates/page/page-layout';
import {
getAllTopicsSlugs,
getTopicBySlug,
getTopicsPreview,
getTotalTopics,
} from '../../services/graphql/topics';
import styles from '../../styles/pages/topic.module.scss';
import {
type NextPageWithLayout,
type PageLink,
type Topic,
} from '../../types/app';
import { loadTranslation, type Messages } from '../../utils/helpers/i18n';
import {
getLinksListItems,
getPageLinkFromRawData,
getPostsWithUrl,
} from '../../utils/helpers/pages';
import {
getSchemaJson,
getSinglePageSchema,
getWebPageSchema,
} from '../../utils/helpers/schema-org';
import useBreadcrumb from '../../utils/hooks/use-breadcrumb';
import useSettings from '../../utils/hooks/use-settings';
export type TopicPageProps = {
currentTopic: Topic;
topics: PageLink[];
translation: Messages;
};
const TopicPage: NextPageWithLayout<TopicPageProps> = ({
currentTopic,
topics,
}) => {
const { content, intro, meta, slug, title } = currentTopic;
const {
articles,
cover,
dates,
seo,
thematics,
website: officialWebsite,
} = meta;
const intl = useIntl();
const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumb({
title,
url: `/sujet/${slug}`,
});
const headerMeta: PageLayoutProps['headerMeta'] = {
publication: { date: dates.publication },
update: dates.update ? { date: dates.update } : undefined,
website: officialWebsite,
total: articles ? articles.length : undefined,
};
const { website } = useSettings();
const { asPath } = useRouter();
const webpageSchema = getWebPageSchema({
description: seo.description,
locale: website.locales.default,
slug: asPath,
title: seo.title,
updateDate: dates.update,
});
const articleSchema = getSinglePageSchema({
cover: cover?.src,
dates,
description: intro,
id: 'topic',
kind: 'page',
locale: website.locales.default,
slug: asPath,
title,
});
const schemaJsonLd = getSchemaJson([webpageSchema, articleSchema]);
const topicsListTitle = intl.formatMessage({
defaultMessage: 'Other topics',
description: 'TopicPage: other topics list widget title',
id: 'JpC3JH',
});
const thematicsListTitle = intl.formatMessage({
defaultMessage: 'Related thematics',
description: 'TopicPage: related thematics list widget title',
id: '/sRqPT',
});
const getPageHeading = () => {
return (
<>
{cover && <ResponsiveImage className={styles.logo} {...cover} />}
{title}
</>
);
};
return (
<>
<Head>
<title>{seo.title}</title>
<meta name="description" content={seo.description} />
<meta property="og:url" content={`${website.url}${asPath}`} />
<meta property="og:type" content="article" />
<meta property="og:title" content={title} />
<meta property="og:description" content={intro} />
</Head>
<Script
id="schema-project"
type="application/ld+json"
dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
/>
<PageLayout
breadcrumb={breadcrumbItems}
breadcrumbSchema={breadcrumbSchema}
title={getPageHeading()}
intro={intro}
headerMeta={headerMeta}
widgets={
thematics
? [
<LinksListWidget
key="related-thematics"
items={getLinksListItems(thematics)}
title={thematicsListTitle}
level={2}
/>,
<LinksListWidget
key="topics"
items={getLinksListItems(topics)}
title={topicsListTitle}
level={2}
/>,
]
: []
}
>
{content && <div dangerouslySetInnerHTML={{ __html: content }} />}
{articles && (
<>
<Heading level={2}>
{intl.formatMessage(
{
defaultMessage: 'All posts in {topicName}',
description: 'TopicPage: posts list heading',
id: 'zEN3fd',
},
{ topicName: title }
)}
</Heading>
<PostsList
baseUrl="/sujet/page/"
byYear={true}
posts={getPostsWithUrl(articles)}
searchPage="/recherche/"
titleLevel={3}
total={articles.length}
/>
</>
)}
</PageLayout>
</>
);
};
TopicPage.getLayout = (page) =>
getLayout(page, { useGrid: true, withExtraPadding: true });
interface TopicParams extends ParsedUrlQuery {
slug: string;
}
export const getStaticProps: GetStaticProps<TopicPageProps> = async ({
locale,
params,
}) => {
const currentTopic = await getTopicBySlug(
params!.slug as TopicParams['slug']
);
const totalTopics = await getTotalTopics();
const allTopicsEdges = await getTopicsPreview({
first: totalTopics,
});
const allTopics = allTopicsEdges.edges.map((edge) =>
getPageLinkFromRawData(edge.node, 'topic')
);
const topicsLinks = allTopics.filter(
(topic) => topic.url !== `/sujet/${params!.slug as TopicParams['slug']}`
);
const translation = await loadTranslation(locale);
return {
props: {
currentTopic: JSON.parse(JSON.stringify(currentTopic)),
topics: JSON.parse(JSON.stringify(topicsLinks)),
translation,
},
};
};
export const getStaticPaths: GetStaticPaths = async () => {
const slugs = await getAllTopicsSlugs();
const paths = slugs.map((slug) => {
return { params: { slug } };
});
return {
paths,
fallback: false,
};
};
export default TopicPage;
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