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import Notice from '@components/atoms/layout/notice';
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 from '@components/templates/page/page-layout';
import { type EdgesResponse } from '@services/graphql/api';
import { getArticles, getTotalArticles } from '@services/graphql/articles';
import {
getThematicsPreview,
getTotalThematics,
} from '@services/graphql/thematics';
import { getTopicsPreview, getTotalTopics } from '@services/graphql/topics';
import { type NextPageWithLayout } from '@ts/types/app';
import {
type RawArticle,
type RawThematicPreview,
type RawTopicPreview,
} from '@ts/types/raw-data';
import { settings } from '@utils/config';
import { loadTranslation, type Messages } from '@utils/helpers/i18n';
import {
getLinksListItems,
getPageLinkFromRawData,
getPostsList,
} from '@utils/helpers/pages';
import {
getBlogSchema,
getSchemaJson,
getWebPageSchema,
} from '@utils/helpers/schema-org';
import useBreadcrumb from '@utils/hooks/use-breadcrumb';
import usePagination from '@utils/hooks/use-pagination';
import useSettings from '@utils/hooks/use-settings';
import { GetStaticProps } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import Script from 'next/script';
import { useIntl } from 'react-intl';
type BlogPageProps = {
articles: EdgesResponse<RawArticle>;
thematicsList: RawThematicPreview[];
topicsList: RawTopicPreview[];
totalArticles: number;
translation: Messages;
};
/**
* Blog index page.
*/
const BlogPage: NextPageWithLayout<BlogPageProps> = ({
articles,
thematicsList,
topicsList,
totalArticles,
}) => {
const intl = useIntl();
const title = intl.formatMessage({
defaultMessage: 'Blog',
description: 'BlogPage: page title',
id: '7TbbIk',
});
const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumb({
title,
url: '/blog',
});
const { blog, website } = useSettings();
const { asPath } = useRouter();
const pageTitle = intl.formatMessage(
{
defaultMessage: 'Blog: development, open source - {websiteName}',
description: 'BlogPage: SEO - Page title',
id: '+Y+tLK',
},
{ websiteName: website.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',
id: '18h/t0',
},
{ websiteName: website.name }
);
const webpageSchema = getWebPageSchema({
description: pageDescription,
locale: website.locales.default,
slug: asPath,
title,
});
const blogSchema = getBlogSchema({
isSinglePage: false,
locale: website.locales.default,
slug: asPath,
});
const schemaJsonLd = getSchemaJson([webpageSchema, blogSchema]);
const {
data,
error,
isLoadingInitialData,
isLoadingMore,
hasNextPage,
setSize,
} = usePagination<RawArticle>({
fallbackData: [articles],
fetcher: getArticles,
perPage: blog.postsPerPage,
});
/**
* Load more posts handler.
*/
const loadMore = () => {
setSize((prevSize) => prevSize + 1);
};
const thematicsListTitle = intl.formatMessage({
defaultMessage: 'Thematics',
description: 'BlogPage: thematics list widget title',
id: 'HriY57',
});
const topicsListTitle = intl.formatMessage({
defaultMessage: 'Topics',
description: 'BlogPage: topics list widget title',
id: '2D9tB5',
});
return (
<>
<Head>
<title>{pageTitle}</title>
<meta name="description" content={pageDescription} />
<meta property="og:url" content={`${website.url}${asPath}`} />
<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) }}
/>
<PageLayout
title={title}
breadcrumb={breadcrumbItems}
breadcrumbSchema={breadcrumbSchema}
headerMeta={{ total: totalArticles }}
widgets={[
<LinksListWidget
key="thematics-list"
items={getLinksListItems(
thematicsList.map((thematic) =>
getPageLinkFromRawData(thematic, 'thematic')
)
)}
title={thematicsListTitle}
level={2}
/>,
<LinksListWidget
key="topics-list"
items={getLinksListItems(
topicsList.map((topic) => getPageLinkFromRawData(topic, 'topic'))
)}
title={topicsListTitle}
level={2}
/>,
]}
>
{data && (
<PostsList
baseUrl="/blog/page/"
byYear={true}
isLoading={isLoadingMore || isLoadingInitialData}
loadMore={loadMore}
posts={getPostsList(data)}
searchPage="/recherche/"
showLoadMoreBtn={hasNextPage}
total={totalArticles}
/>
)}
{error && (
<Notice
kind="error"
message={intl.formatMessage({
defaultMessage: 'Failed to load.',
description: 'BlogPage: failed to load text',
id: 'C/XGkH',
})}
/>
)}
</PageLayout>
</>
);
};
BlogPage.getLayout = (page) =>
getLayout(page, { useGrid: true, withExtraPadding: true });
export const getStaticProps: GetStaticProps<BlogPageProps> = async ({
locale,
}) => {
const articles = await getArticles({ first: settings.postsPerPage });
const totalArticles = await getTotalArticles();
const totalThematics = await getTotalThematics();
const thematics = await getThematicsPreview({ first: totalThematics });
const totalTopics = await getTotalTopics();
const topics = await getTopicsPreview({ first: totalTopics });
const translation = await loadTranslation(locale);
return {
props: {
articles: JSON.parse(JSON.stringify(articles)),
thematicsList: thematics.edges.map((edge) => edge.node),
topicsList: topics.edges.map((edge) => edge.node),
totalArticles,
translation,
},
};
};
export default BlogPage;
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