News List

components/news/article-list.js

@@ -0,0 +1,90 @@
+import { useNewsArticles } from "@/lib/strapi/newsGraphQL";
+import { Box, Pagination, Skeleton, Stack, Typography } from "@mui/material"
+import { ArticlePreview } from "./article-preview";
+import { useMemo } from "react";
+import { Error } from "./error";
+
+export const ArticleList = ({
+  selectedTags,
+  isTagSelected,
+  deleteTag,
+  addTag,
+  newsOrFeature,
+  page,
+  setPage,
+}) => {
+  const {
+    data,
+    isLoading,
+    error,
+  } = useNewsArticles({
+    filters: {
+      collaborations: selectedTags.collaborations.map(({ slug }) => slug),
+      organizations: selectedTags.organizations.map(({ slug }) => slug),
+      people: selectedTags.people.map(({ slug }) => slug),
+      projects: selectedTags.projects.map(({ slug }) => slug),
+      researchGroups: selectedTags.researchGroups.map(({ slug }) => slug),
+      postTags: selectedTags.postTags.map(({ name }) => name),
+      freeSearch: selectedTags.freeSearch,
+      newsOrBlog:
+        newsOrFeature === 'news'
+          ? 'news'
+          : newsOrFeature === 'feature'
+          ? 'blog'
+          : undefined,
+    },
+    page,
+  });
+
+  const freeSearch = useMemo(() => (selectedTags.freeSearch), [selectedTags]);
+
+  if(error) {
+    return <Error
+      message="We're sorry, something went wrong. Ensure your device has internet access. Refresh or go back a page."
+      sx={{ my: 4 }}
+    />  
+  }
+
+  if (isLoading || !data) return <Stack><ArticleListSkeleton /></Stack>
+
+  const { articles, meta } = data;
+
+  if (Array.isArray(articles) && articles.length === 0) return <NoArticlesText />
+
+  return <Stack>
+    <Stack direction='column' gap={4} paddingY={4}>
+      {articles.map((article, i) => (
+        <ArticlePreview
+          key={i}
+          article={article}
+          isTagSelected={isTagSelected}
+          deleteTag={deleteTag}
+          addTag={addTag}
+          freeSearch={freeSearch}
+        />
+      ))}
+    </Stack>
+
+    <Pagination count={meta.pagination?.pageCount} page={page} onChange={(_, p) => page === p ? null : setPage(p)} sx={{ alignSelf: 'center' }} />
+  </Stack> 
+}
+
+const NoArticlesText = () => (
+  <Stack sx={{ minHeight: '300px' }} alignItems='center' justifyContent='center' gap={1}>
+    <Typography variant="h3" fontWeight='bold'>No results</Typography>
+    <Typography variant="subtitle1" maxWidth='35ch' textAlign='center'>
+      We couldn&apos;t find any articles matching your filters. Please remove some and try again.
+    </Typography>
+  </Stack>
+)
+
+export const ArticleListSkeleton = () => (
+  <Stack direction='column' gap={4} paddingY={4}>
+    {new Array(25).fill(0).map((_, i) => <Box key={i}>
+      <Stack gap={1}>
+        <Skeleton variant="rectangular" sx={{ borderRadius: '8px', maxWidth: '60%' }} height="2rem" />
+        <Skeleton variant="rectangular" sx={{ borderRadius: '8px' }} height="6rem" />
+      </Stack>
+    </Box>)}
+  </Stack>
+)

components/news/article-preview.js

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+import { Box, Skeleton, Stack, Typography } from "@mui/material"
+import { Link } from "../link"
+import { Tag } from "./tag"
+import match from "autosuggest-highlight/match";
+import parse from "autosuggest-highlight/parse";
+
+export const ArticlePreview = ({
+  article,
+  isTagSelected,
+  deleteTag,
+  addTag,
+  freeSearch,
+  skeleton = false,
+}) => {
+  const date = new Date(article.publishDate)
+  const [day, month, year] = [
+    date.getUTCDate(),
+    date.getUTCMonth() + 1,
+    date.getUTCFullYear(),
+  ]
+  const dateString = date.toLocaleDateString('en-US', { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' });
+
+  const articleLink = `news/${year}/${month}/${day}/${article.slug}`;
+
+  const tags = [
+    article.projects.map((x) => ({ ...x, type: 'projects' })),
+    article.people.map((x) => ({ ...x, type: 'people' })),
+    article.collaborations.map((x) => ({ ...x, type: 'collaborations' })),
+    article.researchGroups.map((x) => ({ ...x, type: 'researchGroups' })),
+    article.organizations.map((x) => ({ ...x, type: 'organizations' })),
+    article.tags.map((x) => ({ ...x, type: 'postTags' }))
+  ].flat();
+
+  const titleFreeSearchMatches = match(article.title, freeSearch.join(' '), { 
+    findAllOccurrences: true,
+    insideWords: true,
+  });
+  const titleHighlightSections = parse(article.title, titleFreeSearchMatches);
+
+  if (skeleton) return <Box>
+    <Skeleton />
+  </Box>
+
+  return <Stack gap={1}>
+    <Box>
+      <Box sx={{
+        display: 'flex',
+        flexDirection: { xs: 'column', sm: 'column', md: 'row' },
+        gap: { xs: 1, sm: 1, md: 2 },
+        mb: { xs: 1, sm: 1, md: 0 },
+      }}>
+        <Stack direction='row' alignItems='center' gap={1}>
+          <Typography variant="subtitle2" whiteSpace='nowrap'>{dateString}</Typography>
+          <Box sx={{ width: '0.3em', height: '0.3em', backgroundColor: '#b6b6b6', borderRadius: '50%', flex: '0 0 auto' }} />
+          <Typography variant="subtitle2" textTransform='uppercase'>{
+            article.newsOrBlog === 'news' ? 'News' : 'Feature'
+          }</Typography>
+        </Stack>
+
+        <Stack direction='row' flex="1"  gap={1} sx={{ overflowX: 'auto', direction: { xs: 'ltr', sm: 'ltr', md: 'rtl'} }}>
+          {tags.map(({ name, slug, type }, i) => {
+            const id = type === 'postTags' ? name : slug;
+            const isSelected = isTagSelected(id, type);
+            return <Tag
+              key={i}
+              type={type}
+              contents={name}
+              inverted={isSelected}
+              onClick={!isSelected ? () => { addTag(id, type) } : undefined}
+              onDelete={isSelected ? () => { deleteTag(id, type) } : undefined}
+              sx={{ minWidth: 'fit-content' }}
+            />
+          })}
+        </Stack>
+      </Box>
+      <Typography variant="h3" sx={{ '& a': { textDecoration: 'none' }}}>
+        <Link to={articleLink}>{
+          titleHighlightSections.map((part, i) => (
+            <span key={i} style={{
+              fontWeight: part.highlight ? 'bold' : 'initial'
+            }}>{part.text}</span>
+          ))
+        }</Link>
+      </Typography>
+    </Box>
+
+
+    <Typography paragraph className="excerpt" sx={{
+      '--maxHeight': '75px',
+      '&:before': {
+        content: "''",
+        width: '100%',
+        height: '100%',
+        position: 'absolute',
+        left: 0,
+        top: 0,
+        pointerEvents: 'none',
+        background: 'linear-gradient(transparent 0px, white calc(var(--maxHeight) - 4px ))'
+      },
+      '& > .hover-link': {
+        position: 'absolute',
+        bottom: 0,
+        right: 0,
+      },
+      position: 'relative',
+      maxHeight: 'var(--maxHeight)',
+      overflow: 'hidden',
+    }}>
+      {article.excerpt}
+      <Link to={articleLink} className='hover-link'>Read more →</Link>
+    </Typography>
+  </Stack>
+}