From a7c8d681470584fdaa067fe0027a87c73f48a2af Mon Sep 17 00:00:00 2001
From: Francesco Menghi <53121061+menghif@users.noreply.github.com>
Date: Sat, 15 Jan 2022 14:15:35 -0500
Subject: [PATCH] - Initial work from @irenejoeunpark with PR #2491 - Changed
 repos display to row, added border bottom for header, added hint icon for
 accordion - Fixed clicking on expand icon copies link to blog post - Added
 expand icons in the bottom of the github info - Added function to auto close
 accordion when scroll pass post - Added css for mobile device < 375 px width

---
 src/web/src/components/Posts/ExpandIcon.tsx   |  49 +++++
 src/web/src/components/Posts/GitHubInfo.tsx   |   2 +-
 .../src/components/Posts/GitHubInfoMobile.tsx |  51 +++++
 src/web/src/components/Posts/Post.tsx         | 187 ++++++++++++------
 src/web/src/components/Posts/PostAvatar.tsx   |   7 +-
 src/web/src/components/Posts/Repos.tsx        |   2 +-
 src/web/src/components/Posts/ShareButton.tsx  |   7 +-
 7 files changed, 242 insertions(+), 63 deletions(-)
 create mode 100644 src/web/src/components/Posts/ExpandIcon.tsx
 create mode 100644 src/web/src/components/Posts/GitHubInfoMobile.tsx

diff --git a/src/web/src/components/Posts/ExpandIcon.tsx b/src/web/src/components/Posts/ExpandIcon.tsx
new file mode 100644
index 0000000000..1057bd0003
--- /dev/null
+++ b/src/web/src/components/Posts/ExpandIcon.tsx
@@ -0,0 +1,49 @@
+import { IconButton, createStyles } from '@material-ui/core';
+import { makeStyles } from '@material-ui/core/styles';
+import ExpandMoreIcon from '@material-ui/icons/ExpandMore';
+import ExpandLessIcon from '@material-ui/icons/ExpandLess';
+
+type Props = {
+  small: Boolean;
+  expandHeader: Boolean;
+  setExpandHeader: Function;
+};
+
+const useStyles = makeStyles(() =>
+  createStyles({
+    container: {
+      display: 'flex',
+      justifyContent: 'center',
+    },
+    smallIcon: {
+      padding: 0,
+      fill: '#cccccc',
+    },
+    bigIcon: {
+      fontSize: '5rem',
+      fill: '#cccccc',
+    },
+    iconBtn: {
+      padding: '5px',
+    },
+  })
+);
+const ExpandIcon = ({ small, expandHeader, setExpandHeader }: Props) => {
+  const classes = useStyles();
+  return small ? (
+    <IconButton onClick={() => setExpandHeader(!expandHeader)} className={classes.iconBtn}>
+      {expandHeader ? (
+        <ExpandLessIcon className={classes.smallIcon} />
+      ) : (
+        <ExpandMoreIcon className={classes.smallIcon} />
+      )}
+    </IconButton>
+  ) : (
+    <div className={classes.container}>
+      <IconButton onClick={() => setExpandHeader(!expandHeader)} className={classes.iconBtn}>
+        <ExpandLessIcon className={classes.bigIcon} />
+      </IconButton>
+    </div>
+  );
+};
+export default ExpandIcon;
diff --git a/src/web/src/components/Posts/GitHubInfo.tsx b/src/web/src/components/Posts/GitHubInfo.tsx
index fb869a82af..9e9693c0f7 100644
--- a/src/web/src/components/Posts/GitHubInfo.tsx
+++ b/src/web/src/components/Posts/GitHubInfo.tsx
@@ -39,7 +39,7 @@ const parseGitHubUrl = (url: string): URL | null => {
   }
 };
 
-const filterGitHubUrls = (urls: string[]) => {
+export const filterGitHubUrls = (urls: string[]) => {
   const issues: Set<string> = new Set();
   const pullRequests: Set<string> = new Set();
   const repos: Set<string> = new Set();
diff --git a/src/web/src/components/Posts/GitHubInfoMobile.tsx b/src/web/src/components/Posts/GitHubInfoMobile.tsx
new file mode 100644
index 0000000000..1f8e3d5d6c
--- /dev/null
+++ b/src/web/src/components/Posts/GitHubInfoMobile.tsx
@@ -0,0 +1,51 @@
+import { createStyles, makeStyles, Theme, ListSubheader } from '@material-ui/core';
+import Repos from './Repos';
+import Issues from './Issues';
+import PullRequests from './PullRequests';
+import Commits from './Commits';
+import Users from './Users';
+import { filterGitHubUrls } from './GitHubInfo';
+
+type Props = {
+  ghUrls: string[];
+};
+
+const useStyles = makeStyles((theme: Theme) =>
+  createStyles({
+    root: {
+      padding: '0',
+      display: 'flex',
+      flexDirection: 'column',
+      marginTop: '0',
+      lineHeight: '1',
+      [theme.breakpoints.up('lg')]: {
+        width: '21rem',
+      },
+      color: theme.palette.text.secondary,
+    },
+    GitHubInfoContainer: {
+      margin: '0 0 0 1rem',
+    },
+  })
+);
+
+const GitHubInfoMobile = ({ ghUrls }: Props) => {
+  const classes = useStyles();
+  const { repos, issues, pullRequests, commits, users } = filterGitHubUrls(ghUrls);
+
+  return (
+    <div>
+      <ListSubheader className={classes.root}>
+        <div className={classes.GitHubInfoContainer}>
+          {!!repos.length && <Repos repoUrls={repos} />}
+          {!!issues.length && <Issues issueUrls={issues} />}
+          {!!pullRequests.length && <PullRequests prUrls={pullRequests} />}
+          {!!commits.length && <Commits commitUrls={commits} />}
+          {!!users.length && <Users usernames={users} />}
+        </div>
+      </ListSubheader>
+    </div>
+  );
+};
+
+export default GitHubInfoMobile;
diff --git a/src/web/src/components/Posts/Post.tsx b/src/web/src/components/Posts/Post.tsx
index 2a47b7c87d..24b4f67d4c 100644
--- a/src/web/src/components/Posts/Post.tsx
+++ b/src/web/src/components/Posts/Post.tsx
@@ -1,4 +1,4 @@
-import { useRef, useState, useMemo } from 'react';
+import { useRef, useState, useMemo, useEffect } from 'react';
 import useSWR from 'swr';
 import clsx from 'clsx';
 import { makeStyles, Theme, useTheme } from '@material-ui/core/styles';
@@ -9,6 +9,9 @@ import {
   ListSubheader,
   createStyles,
   useMediaQuery,
+  Accordion,
+  AccordionSummary,
+  AccordionDetails,
   Chip,
 } from '@material-ui/core';
 import ErrorRoundedIcon from '@material-ui/icons/ErrorRounded';
@@ -19,7 +22,9 @@ import Spinner from '../Spinner';
 import PostDesktopInfo from './PostInfo';
 import PostAvatar from './PostAvatar';
 import GitHubInfo from './GitHubInfo';
+import GitHubInfoMobile from './GitHubInfoMobile';
 import ShareButton from './ShareButton';
+import ExpandIcon from './ExpandIcon';
 
 import 'react-lite-youtube-embed/dist/LiteYouTubeEmbed.css';
 
@@ -61,7 +66,8 @@ const useStyles = makeStyles((theme: Theme) =>
         gridTemplateColumns: 'auto auto auto auto',
         justifyContent: 'left',
         width: '100%',
-        padding: '1em 0 1em 0',
+        padding: '1em 0 0 0',
+        marginBottom: '0',
       },
     },
     video: {
@@ -104,6 +110,7 @@ const useStyles = makeStyles((theme: Theme) =>
       fontSize: 'clamp(2.5em, 4vw, 3em)',
       [theme.breakpoints.down(1205)]: {
         textAlign: 'start',
+        fontSize: '2em',
         marginLeft: '.3em',
       },
       [theme.breakpoints.down(1024)]: {
@@ -183,7 +190,7 @@ const useStyles = makeStyles((theme: Theme) =>
       [theme.breakpoints.down(1024)]: {
         fontSize: '1.1em',
         height: '5px',
-        margin: '-1.6em 1em -1em .5px',
+        margin: '-1.6em -.5em .5px',
       },
     },
     authorAvatarContainer: {
@@ -215,6 +222,30 @@ const useStyles = makeStyles((theme: Theme) =>
         width: 'auto',
       },
     },
+    accordionSummary: {
+      marginTop: '0',
+      paddingRight: '0',
+      justifyContent: 'flex-end',
+      overflow: 'hidden',
+      textOverflow: 'ellipsis',
+      paddingBottom: '0',
+      '& .MuiAccordionSummary-content': {
+        marginBottom: '0.2em',
+      },
+    },
+    accordion: {
+      backgroundColor: 'inherit',
+      borderBottom: '1.5px solid #cccccc',
+      boxShadow: 'none',
+      top: '0',
+      zIndex: 1,
+      position: 'sticky',
+    },
+    expandIcon: {
+      alignSelf: 'center',
+      borderLeft: '1px solid #cccccc',
+      paddingLeft: '5px',
+    },
   })
 );
 
@@ -271,6 +302,7 @@ const PostComponent = ({ postUrl, currentPost, totalPosts }: Props) => {
   const desktop = useMediaQuery(theme.breakpoints.up(1205));
   // We need a ref to our post content, which we inject into a <section> below.
   const sectionEl = useRef<HTMLElement>(null);
+
   // Grab the post data from our backend so we can render it
   const { data: post, error } = useSWR<Post>(postUrl);
   const isMedia = post?.type === 'video';
@@ -281,6 +313,23 @@ const PostComponent = ({ postUrl, currentPost, totalPosts }: Props) => {
     [post?.html]
   );
 
+  useEffect(() => {
+    const onScroll = () => {
+      // get the distance between the bottom of the blog post and
+      // the top of the web page
+      const bottom = sectionEl?.current?.getBoundingClientRect().bottom;
+      if (bottom && bottom < 1) {
+        // if bottom reaches top => close header and remove event listener
+        setExpandHeader(false);
+        window.removeEventListener('scroll', onScroll);
+      }
+    };
+    // only if header is open, we attach the onScroll function to scroll event
+    if (expandHeader) {
+      window.addEventListener('scroll', onScroll);
+    }
+  }, [expandHeader]);
+
   if (error) {
     console.error(`Error loading post at ${postUrl}`, error);
     return (
@@ -331,63 +380,89 @@ const PostComponent = ({ postUrl, currentPost, totalPosts }: Props) => {
         </div>
       )}
 
-      <ListSubheader component="div" className={classes.postInfo}>
-        <div className={classes.titleContainer}>
-          <Typography
-            variant="h3"
-            title={post.title}
-            id={post.id}
-            className={clsx(classes.title, expandHeader && classes.expandedTitle)}
-          >
-            <span
-              role="button"
-              tabIndex={0}
-              onClick={() => setExpandHeader(!expandHeader)}
-              onKeyDown={() => setExpandHeader(!expandHeader)}
-            >
-              {post.title}
-            </span>
-          </Typography>
-        </div>
-        {!desktop && (
-          <>
-            <div className={classes.authorAvatarContainer}>
-              <PostAvatar name={post.feed.author} url={post.feed.link} />
-            </div>
-            <div className={classes.authorNameContainer}>
-              <h1 className={classes.author}>
-                <a className={classes.link} href={post.feed.link}>
-                  {post.feed.author}
-                </a>
-              </h1>
+      {desktop ? (
+        <>
+          <ListSubheader component="div" className={classes.postInfo}>
+            <div className={classes.titleContainer}>
+              <Typography
+                variant="h3"
+                title={post.title}
+                id={post.id}
+                className={clsx(classes.title, expandHeader && classes.expandedTitle)}
+              >
+                <span
+                  role="button"
+                  tabIndex={0}
+                  onClick={() => setExpandHeader(!expandHeader)}
+                  onKeyDown={() => setExpandHeader(!expandHeader)}
+                >
+                  {post.title}
+                </span>
+              </Typography>
             </div>
-            <div className={classes.publishedDateContainer}>
-              <h1 className={classes.published}>
-                <a href={post.url} rel="bookmark" className={classes.link}>
-                  <time dateTime={post.updated}>{`${formatPublishedDate(post.updated)}`}</time>
-                </a>
-
-                <ShareButton url={post.url} />
-              </h1>
+          </ListSubheader>
+          <ListSubheader component="div" className={classes.desktopPostInfo}>
+            <PostDesktopInfo
+              postUrl={post.url}
+              authorName={post.feed.author}
+              postDate={formatPublishedDate(post.updated)}
+              blogUrl={post.feed.link}
+            />
+            {!!extractedGitHubUrls.length && <GitHubInfo ghUrls={extractedGitHubUrls} />}
+          </ListSubheader>
+        </>
+      ) : (
+        <Accordion
+          onKeyDown={() => setExpandHeader(!expandHeader)}
+          expanded={expandHeader}
+          className={classes.accordion}
+        >
+          <AccordionSummary className={classes.accordionSummary}>
+            <ListSubheader component="div" className={classes.postInfo}>
+              <div className={classes.titleContainer}>
+                <Typography
+                  variant="h3"
+                  title={post.title}
+                  id={post.id}
+                  className={clsx(classes.title, expandHeader && classes.expandedTitle)}
+                >
+                  <span role="button" tabIndex={0}>
+                    {post.title}
+                  </span>
+                </Typography>
+              </div>
+              <div className={classes.authorAvatarContainer}>
+                <PostAvatar name={post.feed.author} url={post.feed.link} />
+              </div>
+              <div className={classes.authorNameContainer}>
+                <h1 className={classes.author}>
+                  <a className={classes.link} href={post.feed.link}>
+                    {post.feed.author}
+                  </a>
+                </h1>
+              </div>
+              <div className={classes.publishedDateContainer}>
+                <h1 className={classes.published}>
+                  <a href={post.url} rel="bookmark" className={classes.link}>
+                    <time dateTime={post.updated}>{`${formatPublishedDate(post.updated)}`}</time>
+                  </a>
+                  <ShareButton url={post.url} />
+                  <ExpandIcon small expandHeader={expandHeader} setExpandHeader={setExpandHeader} />
+                </h1>
 
-              <div>
-                <AdminButtons />
+                <div>
+                  <AdminButtons />
+                </div>
               </div>
-            </div>
-          </>
-        )}
-      </ListSubheader>
-      {desktop && (
-        <ListSubheader component="div" className={classes.desktopPostInfo}>
-          <PostDesktopInfo
-            postUrl={post.url}
-            authorName={post.feed.author}
-            postDate={formatPublishedDate(post.updated)}
-            blogUrl={post.feed.link}
-          />
-          {!!extractedGitHubUrls.length && <GitHubInfo ghUrls={extractedGitHubUrls} />}
-        </ListSubheader>
+            </ListSubheader>
+          </AccordionSummary>
+          <AccordionDetails>
+            {!!extractedGitHubUrls.length && <GitHubInfoMobile ghUrls={extractedGitHubUrls} />}
+          </AccordionDetails>
+          <ExpandIcon small={false} expandHeader={expandHeader} setExpandHeader={setExpandHeader} />
+        </Accordion>
       )}
+
       <div className={classes.content}>
         {isMedia && (
           <LiteYouTubeEmbed
diff --git a/src/web/src/components/Posts/PostAvatar.tsx b/src/web/src/components/Posts/PostAvatar.tsx
index 78a8c6231a..a01ff60753 100644
--- a/src/web/src/components/Posts/PostAvatar.tsx
+++ b/src/web/src/components/Posts/PostAvatar.tsx
@@ -18,13 +18,12 @@ const useStyles = makeStyles((theme: Theme) =>
       height: '2.5em',
       [theme.breakpoints.down(1200)]: {
         fontSize: '2.5em',
-        width: '2.5em',
-        height: '2.5em',
       },
       [theme.breakpoints.down(1024)]: {
         fontSize: '2em',
-        width: '2.5em',
-        height: '2.5em',
+      },
+      [theme.breakpoints.down(375)]: {
+        fontSize: '1.7em',
       },
     },
     text: {
diff --git a/src/web/src/components/Posts/Repos.tsx b/src/web/src/components/Posts/Repos.tsx
index 55a15d3e54..8706b5f516 100644
--- a/src/web/src/components/Posts/Repos.tsx
+++ b/src/web/src/components/Posts/Repos.tsx
@@ -28,7 +28,7 @@ const useStyles = makeStyles((theme: Theme) =>
     repos: {
       paddingLeft: 0,
       display: 'flex',
-      flexDirection: 'column',
+      flexWrap: 'wrap',
       gap: '1.5rem',
     },
     repo: {
diff --git a/src/web/src/components/Posts/ShareButton.tsx b/src/web/src/components/Posts/ShareButton.tsx
index 497fcba821..14e6954c48 100644
--- a/src/web/src/components/Posts/ShareButton.tsx
+++ b/src/web/src/components/Posts/ShareButton.tsx
@@ -24,6 +24,10 @@ const useStyles = makeStyles((theme: Theme) =>
     check: {
       fill: '#3fb950',
     },
+
+    iconBtn: {
+      padding: '5px',
+    },
   })
 );
 
@@ -44,6 +48,7 @@ const ShareButton = ({ url }: Props) => {
   return !isCopiedToClipboard ? (
     <ButtonTooltip title="Copy URL" arrow placement="top" TransitionComponent={Zoom}>
       <IconButton
+        className={classes.iconBtn}
         onClick={() => {
           copyToClipboardEvent();
         }}
@@ -53,7 +58,7 @@ const ShareButton = ({ url }: Props) => {
     </ButtonTooltip>
   ) : (
     <ButtonTooltip title="Copied" arrow placement="top" TransitionComponent={Zoom}>
-      <IconButton>
+      <IconButton className={classes.iconBtn}>
         <Check className={classes.check} />
       </IconButton>
     </ButtonTooltip>