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/* eslint-disable max-statements */
import type { ParsedUrlQuery } from 'querystring';
import type { GetStaticPaths, GetStaticProps } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import Script from 'next/script';
import { useIntl } from 'react-intl';
import {
getLayout,
Heading,
LinksWidget,
PostsList,
Page,
PageHeader,
PageSidebar,
PageBody,
LoadingPage,
TocWidget,
Spinner,
} from '../../components';
import {
convertWPThematicPreviewToPageLink,
fetchAllThematicsSlugs,
fetchThematic,
fetchThematicsCount,
fetchThematicsList,
} from '../../services/graphql';
import styles from '../../styles/pages/blog.module.scss';
import type {
GraphQLConnection,
NextPageWithLayout,
WPThematic,
WPThematicPreview,
} from '../../types';
import { CONFIG } from '../../utils/config';
import { ROUTES } from '../../utils/constants';
import {
getLinksItemData,
getPostsWithUrl,
getSchemaJson,
getSinglePageSchema,
getWebPageSchema,
slugify,
} from '../../utils/helpers';
import { loadTranslation, type Messages } from '../../utils/helpers/server';
import {
useBreadcrumb,
useHeadingsTree,
useThematic,
useThematicsList,
} from '../../utils/hooks';
export type ThematicPageProps = {
data: {
currentThematic: WPThematic;
otherThematics: GraphQLConnection<WPThematicPreview>;
totalThematics: number;
};
translation: Messages;
};
const ThematicPage: NextPageWithLayout<ThematicPageProps> = ({ data }) => {
const intl = useIntl();
const { isFallback } = useRouter();
const { isLoading, thematic } = useThematic(
data.currentThematic.slug,
data.currentThematic
);
const { isLoading: areThematicsLoading, thematics } = useThematicsList({
fallback: data.otherThematics,
input: { first: data.totalThematics, where: { notIn: [thematic.id] } },
});
const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumb({
title: data.currentThematic.title,
url: `${ROUTES.THEMATICS}/${data.currentThematic.slug}`,
});
const { ref, tree } = useHeadingsTree({ fromLevel: 2 });
if (isFallback || isLoading) return <LoadingPage />;
const { content, intro, meta, slug, title } = thematic;
const { articles, dates, seo, relatedTopics } = meta;
const webpageSchema = getWebPageSchema({
description: seo.description,
locale: CONFIG.locales.defaultLocale,
slug,
title: seo.title,
updateDate: dates.update,
});
const articleSchema = getSinglePageSchema({
dates,
description: intro,
id: 'thematic',
kind: 'page',
locale: CONFIG.locales.defaultLocale,
slug,
title,
});
const schemaJsonLd = getSchemaJson([webpageSchema, articleSchema]);
const messages = {
widgets: {
loadingThematicsList: intl.formatMessage({
defaultMessage: 'Thematics are loading...',
description: 'ThematicPage: loading thematics message',
id: 'rVoW4G',
}),
thematicsListTitle: intl.formatMessage({
defaultMessage: 'Other thematics',
description: 'ThematicPage: other thematics list widget title',
id: 'KVSWGP',
}),
tocTitle: intl.formatMessage({
defaultMessage: 'Table of Contents',
description: 'PageLayout: table of contents title',
id: 'eys2uX',
}),
topicsListTitle: intl.formatMessage({
defaultMessage: 'Related topics',
description: 'ThematicPage: related topics list widget title',
id: '/42Z0z',
}),
},
browsePostsTitle: intl.formatMessage(
{
defaultMessage: 'Browse posts in {thematicName} thematic',
description: 'ThematicPage: posts list heading',
id: 'jrRBeb',
},
{ thematicName: title }
),
};
const pageUrl = `${CONFIG.url}${slug}`;
const browsePostHeadingId = slugify(messages.browsePostsTitle);
return (
<Page breadcrumbs={breadcrumbItems}>
<Head>
<title>{seo.title}</title>
{/*eslint-disable-next-line react/jsx-no-literals -- Name allowed */}
<meta name="description" content={seo.description} />
<meta property="og:url" content={pageUrl} />
{/*eslint-disable-next-line react/jsx-no-literals -- Content allowed */}
<meta property="og:type" content="article" />
<meta property="og:title" content={title} />
<meta property="og:description" content={intro} />
</Head>
<Script
// eslint-disable-next-line react/jsx-no-literals -- Id allowed
id="schema-project"
type="application/ld+json"
// eslint-disable-next-line react/no-danger -- Necessary for schema
dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
/>
<Script
dangerouslySetInnerHTML={{ __html: JSON.stringify(breadcrumbSchema) }}
// eslint-disable-next-line react/jsx-no-literals -- Id allowed
id="schema-breadcrumb"
type="application/ld+json"
/>
<PageHeader
heading={title}
intro={intro}
meta={{
publicationDate: dates.publication,
total: articles?.length,
updateDate: dates.update,
}}
/>
<PageSidebar>
<TocWidget
heading={<Heading level={2}>{messages.widgets.tocTitle}</Heading>}
tree={[
...tree,
{
children: [],
depth: 2,
id: browsePostHeadingId,
label: messages.browsePostsTitle,
},
]}
/>
</PageSidebar>
<PageBody>
<div
className={styles.body}
// eslint-disable-next-line react/no-danger -- Necessary for content
dangerouslySetInnerHTML={{ __html: content }}
ref={ref}
/>
{articles ? (
<>
<Heading id={browsePostHeadingId} level={2}>
{messages.browsePostsTitle}
</Heading>
<PostsList
posts={getPostsWithUrl(articles)}
headingLvl={3}
sortByYear
/>
</>
) : null}
</PageBody>
<PageSidebar>
{areThematicsLoading ? (
<Spinner>{messages.widgets.loadingThematicsList}</Spinner>
) : (
<LinksWidget
heading={
<Heading level={2}>{messages.widgets.thematicsListTitle}</Heading>
}
items={getLinksItemData(
thematics.edges.map((edge) =>
convertWPThematicPreviewToPageLink(edge.node)
)
)}
/>
)}
{relatedTopics ? (
<LinksWidget
heading={
<Heading level={2}>{messages.widgets.topicsListTitle}</Heading>
}
items={getLinksItemData(relatedTopics)}
/>
) : null}
</PageSidebar>
</Page>
);
};
ThematicPage.getLayout = (page) => getLayout(page);
type ThematicParams = {
slug: string;
} & ParsedUrlQuery;
export const getStaticProps: GetStaticProps<ThematicPageProps> = async ({
locale,
params,
}) => {
const thematic = await fetchThematic((params as ThematicParams).slug);
const totalThematics = await fetchThematicsCount();
const otherThematics = await fetchThematicsList({
first: totalThematics,
where: { notIn: [thematic.databaseId] },
});
const translation = await loadTranslation(locale);
return {
props: {
data: {
currentThematic: JSON.parse(JSON.stringify(thematic)),
otherThematics: JSON.parse(JSON.stringify(otherThematics)),
totalThematics,
},
translation,
},
};
};
export const getStaticPaths: GetStaticPaths = async () => {
const thematicsCount = await fetchThematicsCount();
const slugs = await fetchAllThematicsSlugs(thematicsCount);
const paths = slugs.map((slug) => {
return { params: { slug } };
});
return {
paths,
fallback: false,
};
};
export default ThematicPage;
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