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import type { GetStaticProps } from 'next';
import Head from 'next/head';
import { useRouter } from 'next/router';
import Script from 'next/script';
import { useCallback, type ReactNode } from 'react';
import { useIntl } from 'react-intl';
import {
getLayout,
Heading,
Link,
LinksWidget,
Page,
PageBody,
PageHeader,
PageSidebar,
SearchForm,
Spinner,
type SearchFormSubmit,
} from '../components';
import {
convertWPThematicPreviewToPageLink,
convertWPTopicPreviewToPageLink,
fetchThematicsCount,
fetchThematicsList,
fetchTopicsCount,
fetchTopicsList,
} from '../services/graphql';
import styles from '../styles/pages/blog.module.scss';
import type {
GraphQLConnection,
NextPageWithLayout,
WPThematicPreview,
WPTopicPreview,
} from '../types';
import { CONFIG } from '../utils/config';
import { ROUTES } from '../utils/constants';
import { getLinksItemData } from '../utils/helpers';
import { loadTranslation, type Messages } from '../utils/helpers/server';
import { useBreadcrumb, useThematicsList, useTopicsList } from '../utils/hooks';
const link = (chunks: ReactNode) => <Link href={ROUTES.CONTACT}>{chunks}</Link>;
type Error404PageProps = {
data: {
thematics: GraphQLConnection<WPThematicPreview>;
topics: GraphQLConnection<WPTopicPreview>;
};
translation: Messages;
};
/**
* Error 404 page.
*/
const Error404Page: NextPageWithLayout<Error404PageProps> = ({ data }) => {
const router = useRouter();
const intl = useIntl();
const { isLoading: areThematicsLoading, thematics } = useThematicsList({
fallback: data.thematics,
input: { first: data.thematics.pageInfo.total },
});
const { isLoading: areTopicsLoading, topics } = useTopicsList({
fallback: data.topics,
input: { first: data.topics.pageInfo.total },
});
const messages = {
loading: {
thematicsList: intl.formatMessage({
defaultMessage: 'Thematics are loading...',
description: 'Error404Page: loading thematics message',
id: '6IAJYx',
}),
topicsList: intl.formatMessage({
defaultMessage: 'Topics are loading...',
description: 'Error404Page: loading topics message',
id: 'HnMf0i',
}),
},
page: {
title: intl.formatMessage({
defaultMessage: 'Page not found',
description: 'Error404Page: page title',
id: 'KnWeKh',
}),
},
seo: {
title: intl.formatMessage(
{
defaultMessage: 'Error 404: Page not found - {websiteName}',
description: 'Error404Page: SEO - Page title',
id: 'pNIIU1',
},
{ websiteName: CONFIG.name }
),
metaDesc: intl.formatMessage({
defaultMessage: 'Page not found.',
description: 'Error404Page: SEO - Meta description',
id: 'yKoGqg',
}),
},
widgets: {
thematicsListTitle: intl.formatMessage({
defaultMessage: 'Thematics',
description: 'Error404Page: thematics list widget title',
id: 'HohQPh',
}),
topicsListTitle: intl.formatMessage({
defaultMessage: 'Topics',
description: 'Error404Page: topics list widget title',
id: 'GVpTIl',
}),
},
};
const { items: breadcrumbItems, schema: breadcrumbSchema } = useBreadcrumb({
title: messages.page.title,
url: ROUTES.NOT_FOUND,
});
const searchSubmitHandler: SearchFormSubmit = useCallback(
async ({ query }) => {
if (!query)
return {
messages: {
error: intl.formatMessage({
defaultMessage: 'Query must be longer than one character.',
description: 'Error404Page: invalid query message',
id: '3u29G5',
}),
},
validator: (value) => value.query.length > 1,
};
await router.push({ pathname: ROUTES.SEARCH, query: { s: query } });
return undefined;
},
[intl, router]
);
return (
<Page breadcrumbs={breadcrumbItems}>
<Head>
<title>{messages.seo.title}</title>
{/*eslint-disable-next-line react/jsx-no-literals -- Name allowed */}
<meta name="description" content={messages.seo.metaDesc} />
</Head>
<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={messages.page.title} />
<PageBody className={styles['no-results']}>
<p>
{intl.formatMessage(
{
defaultMessage:
'Sorry, it seems that the page your are looking for does not exist. If you think this path should work, feel free to <link>contact me</link> with the necessary information so that I can fix the problem.',
id: '9sGNKq',
description: 'Error404Page: page body',
},
{ link }
)}
</p>
<p>
{intl.formatMessage({
defaultMessage: 'You can also try a search:',
description: 'Error404Page: try a search message',
id: 'XKy7rx',
})}
</p>
<SearchForm isLabelHidden onSubmit={searchSubmitHandler} />
</PageBody>
<PageSidebar>
{areThematicsLoading ? (
<Spinner>{messages.loading.thematicsList}</Spinner>
) : (
<LinksWidget
heading={
<Heading level={2}>{messages.widgets.thematicsListTitle}</Heading>
}
items={getLinksItemData(
thematics.edges.map((edge) =>
convertWPThematicPreviewToPageLink(edge.node)
)
)}
/>
)}
{areTopicsLoading ? (
<Spinner>{messages.loading.topicsList}</Spinner>
) : (
<LinksWidget
heading={
<Heading level={2}>{messages.widgets.topicsListTitle}</Heading>
}
items={getLinksItemData(
topics.edges.map((edge) =>
convertWPTopicPreviewToPageLink(edge.node)
)
)}
/>
)}
</PageSidebar>
</Page>
);
};
Error404Page.getLayout = (page) => getLayout(page);
export const getStaticProps: GetStaticProps<Error404PageProps> = async ({
locale,
}) => {
const totalThematics = await fetchThematicsCount();
const thematics = await fetchThematicsList({ first: totalThematics });
const totalTopics = await fetchTopicsCount();
const topics = await fetchTopicsList({ first: totalTopics });
const translation = await loadTranslation(locale);
return {
props: {
data: {
thematics,
topics,
},
translation,
},
};
};
export default Error404Page;
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