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import { getLayout } from '@components/Layouts/Layout';
import Pagination from '@components/Pagination/Pagination';
import PostHeader from '@components/PostHeader/PostHeader';
import PostsList from '@components/PostsList/PostsList';
import Sidebar from '@components/Sidebar/Sidebar';
import { ThematicsList, TopicsList } from '@components/Widgets';
import {
getAllThematics,
getAllTopics,
getEndCursor,
getPostsTotal,
getPublishedPosts,
} from '@services/graphql/queries';
import { NextPageWithLayout } from '@ts/types/app';
import { BlogPageProps } from '@ts/types/blog';
import { settings } from '@utils/config';
import { getIntlInstance, loadTranslation } from '@utils/helpers/i18n';
import { GetStaticPaths, GetStaticProps, GetStaticPropsContext } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import Script from 'next/script';
import { useIntl } from 'react-intl';
import { Blog, Graph, WebPage } from 'schema-dts';
import styles from '@styles/pages/Page.module.scss';
import { getFormattedPageNumbers } from '@utils/helpers/format';
import { useEffect } from 'react';
import Spinner from '@components/Spinner/Spinner';
const BlogPage: NextPageWithLayout<BlogPageProps> = ({
allThematics,
allTopics,
posts,
totalPosts,
}) => {
const intl = useIntl();
const router = useRouter();
const pageNumber = Number(router.query.id);
useEffect(() => {
if (router.query.id === '1') router.push('/blog');
}, [router]);
if (router.isFallback) return <Spinner />;
const pageTitle = intl.formatMessage(
{
defaultMessage: `Blog - Page {number} - {websiteName}`,
description: 'BlogPage: SEO - Page title',
},
{ number: pageNumber, websiteName: settings.name }
);
const pageDescription = intl.formatMessage(
{
defaultMessage:
"Discover {websiteName}'s writings. He talks about web development, Linux and open source mostly.",
description: 'BlogPage: SEO - Meta description',
},
{ websiteName: settings.name }
);
const pageUrl = `${settings.url}${router.asPath}`;
const webpageSchema: WebPage = {
'@id': `${pageUrl}`,
'@type': 'WebPage',
breadcrumb: { '@id': `${settings.url}/#breadcrumb` },
name: pageTitle,
description: pageDescription,
inLanguage: settings.locales.defaultLocale,
reviewedBy: { '@id': `${settings.url}/#branding` },
url: `${settings.url}`,
isPartOf: {
'@id': `${settings.url}`,
},
};
const blogSchema: Blog = {
'@id': `${settings.url}/#blog`,
'@type': 'Blog',
author: { '@id': `${settings.url}/#branding` },
creator: { '@id': `${settings.url}/#branding` },
editor: { '@id': `${settings.url}/#branding` },
inLanguage: settings.locales.defaultLocale,
license: 'https://creativecommons.org/licenses/by-sa/4.0/deed.fr',
mainEntityOfPage: { '@id': `${pageUrl}` },
};
const schemaJsonLd: Graph = {
'@context': 'https://schema.org',
'@graph': [webpageSchema, blogSchema],
};
const title = intl.formatMessage({
defaultMessage: 'Blog',
description: 'BlogPage: page title',
});
return (
<>
<Head>
<title>{pageTitle}</title>
<meta name="description" content={pageDescription} />
<meta property="og:url" content={`${pageUrl}`} />
<meta property="og:type" content="website" />
<meta property="og:title" content={title} />
<meta property="og:description" content={pageDescription} />
</Head>
<Script
id="schema-blog"
type="application/ld+json"
dangerouslySetInnerHTML={{ __html: JSON.stringify(schemaJsonLd) }}
/>
<article
id="blog"
className={`${styles.article} ${styles['article--no-comments']}`}
>
<PostHeader title={title} meta={{ results: totalPosts }} />
<div className={styles.body}>
<PostsList data={[posts]} showYears={true} />
<Pagination baseUrl="/blog" total={totalPosts} />
</div>
<Sidebar
position="right"
title={intl.formatMessage({
defaultMessage: 'Filter by:',
description: 'BlogPage: sidebar title',
})}
>
<ThematicsList
initialData={allThematics}
title={intl.formatMessage({
defaultMessage: 'Thematics',
description: 'BlogPage: thematics list widget title',
})}
/>
<TopicsList
initialData={allTopics}
title={intl.formatMessage({
defaultMessage: 'Topics',
description: 'BlogPage: topics list widget title',
})}
/>
</Sidebar>
</article>
</>
);
};
BlogPage.getLayout = getLayout;
export const getStaticProps: GetStaticProps = async (
context: GetStaticPropsContext
) => {
const intl = await getIntlInstance();
const breadcrumbTitle = intl.formatMessage({
defaultMessage: 'Blog',
description: 'BlogPage: breadcrumb item',
});
const { locale, params } = context;
const queriedPageNumber = params ? Number(params.id) : 1;
const queriedPostsNumber = settings.postsPerPage * queriedPageNumber;
const endCursor =
queriedPostsNumber === 1
? undefined
: await getEndCursor({ first: queriedPostsNumber });
const posts = await getPublishedPosts({
first: settings.postsPerPage,
after: endCursor,
});
const totalPosts = await getPostsTotal();
const allThematics = await getAllThematics();
const allTopics = await getAllTopics();
const translation = await loadTranslation(locale);
return {
props: {
allThematics,
allTopics,
breadcrumbTitle,
locale,
posts,
totalPosts,
translation,
},
};
};
export default BlogPage;
export const getStaticPaths: GetStaticPaths = async () => {
const totalPosts = await getPostsTotal();
const totalPages = Math.floor(totalPosts / settings.postsPerPage);
const paths = getFormattedPageNumbers(totalPages);
return {
paths,
fallback: true,
};
};
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