From 59fad7db31f5b874c08c44310a772433444c0b67 Mon Sep 17 00:00:00 2001
From: Les Orchard <me@lmorchard.com>
Date: Thu, 12 Oct 2017 00:56:48 -0400
Subject: [PATCH] New Feed component

---
 README.md                           |  2 +-
 src/components/ActivityPub/index.js |  2 +-
 src/components/Feed/fetch.js        | 28 +++++++++++++++
 src/components/Feed/index.js        | 54 +++++++++++++++++++++++++++++
 src/components/Feed/index.scss      | 32 +++++++++++++++++
 src/containers/App.js               |  2 ++
 6 files changed, 118 insertions(+), 2 deletions(-)
 create mode 100644 src/components/Feed/fetch.js
 create mode 100644 src/components/Feed/index.js
 create mode 100644 src/components/Feed/index.scss

diff --git a/README.md b/README.md
index 2cb5fdf..e681b98 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ old-school Web 2.0 mashup using my own personal data exhaust.
 
 ## TODO
 
-- [ ] RSS / Atom component
+- [ ] DRY out the SCSS in common between components
 
 - [ ] Flickr photos component
 
diff --git a/src/components/ActivityPub/index.js b/src/components/ActivityPub/index.js
index 819e9f9..70096d2 100644
--- a/src/components/ActivityPub/index.js
+++ b/src/components/ActivityPub/index.js
@@ -14,7 +14,7 @@ export class ActivityPub extends React.Component {
     return (
       <Card {...this.props} className={classnames('activitypub', name)}>
         <h3>
-          {name} (<a href={`${profileUrl}`} title={username}>@{username}</a>)
+          {name} (<a href={profileUrl} title={username}>@{username}</a>)
         </h3>
         <section>
           <ul>
diff --git a/src/components/Feed/fetch.js b/src/components/Feed/fetch.js
new file mode 100644
index 0000000..0e6af43
--- /dev/null
+++ b/src/components/Feed/fetch.js
@@ -0,0 +1,28 @@
+import fetch from 'node-fetch';
+import FeedParser from 'feedparser';
+
+export default async function fetchData(config, name) {
+  const { title, feedUrls } = config;
+
+  return Promise.all(
+    feedUrls.map(async feedUrl => {
+      const res = await fetch(feedUrl);
+      return new Promise((resolve, reject) => {
+        const feed = { name, title, meta: {}, items: [] };
+        res.body
+          .on('error', error => reject(error))
+          .pipe(new FeedParser())
+          .on('error', error => reject(error))
+          .on('meta', meta => (feed.meta = meta))
+          .on('readable', function() {
+            const stream = this;
+            let item;
+            while ((item = stream.read())) {
+              feed.items.push(item);
+            }
+          })
+          .on('end', () => resolve(feed));
+      });
+    })
+  ).then(feeds => ({ name, title, feeds }));
+}
diff --git a/src/components/Feed/index.js b/src/components/Feed/index.js
new file mode 100644
index 0000000..fe7edc5
--- /dev/null
+++ b/src/components/Feed/index.js
@@ -0,0 +1,54 @@
+import React from 'react';
+import classnames from 'classnames';
+import timeago from 'timeago.js';
+
+import Card from '../Card';
+import './index.scss';
+
+export class Feed extends React.Component {
+  render() {
+    const { name, title, feeds } = this.props;
+    const maxItems = this.props.maxItems || 12;
+    const seenUrls = new Set();
+
+    // Merge, de-dupe, and sort items from all feeds.
+    const items = feeds
+      .reduce((acc, curr) => acc.concat(curr.items), [])
+      .filter(item => {
+        const { link } = item;
+        const seen = seenUrls.has(link);
+        seenUrls.add(link);
+        return !seen;
+      })
+      .sort((a, b) => b.date.localeCompare(a.date));
+
+    return (
+      <Card {...this.props} className={classnames('feed', name)}>
+        <h3>{title}</h3>
+        <section>
+          <ul>
+            {items
+              .slice(0, maxItems)
+              .map((item, idx) => this.renderItem(item, idx))}
+          </ul>
+        </section>
+      </Card>
+    );
+  }
+
+  renderItem(item, idx) {
+    const { title, summary, link, date } = item;
+    const createMarkup = () => ({ __html: summary });
+    return (
+      <li key={idx} className="item">
+        <a className="createdAt" href={link} title={date} dateTime={date}>
+          {timeago().format(date)}
+        </a>
+        <a className="link" href={link}><span className="title">{title}</span></a>
+        {summary && <div className="content" dangerouslySetInnerHTML={createMarkup()} />}
+      </li>
+    );
+  }
+}
+
+export default Feed;
diff --git a/src/components/Feed/index.scss b/src/components/Feed/index.scss
new file mode 100644
index 0000000..5390c55
--- /dev/null
+++ b/src/components/Feed/index.scss
@@ -0,0 +1,32 @@
+.card.feed {
+  ul {
+    list-style: none;
+    margin: 0.5em 1em;
+    padding: 0;
+    li {
+      clear: both;
+      margin-bottom: 1.5em;
+      padding-left: 1.75em;
+      &::before {
+        float: left;
+        width: 1.75em;
+        margin-left: -1.75em;
+        font-style: normal;
+        font-weight: normal;
+        font-family: "fxemoji-symbols";
+        content: "\1F501";
+      }
+      a {
+        font-weight: bold;
+      }
+      .createdAt {
+        float: right;
+        font-weight: normal;
+        white-space: nowrap;
+        padding: 0 0 1em 1em;
+        font-size: 0.75em;
+        text-decoration: underline dotted;
+      }
+    }
+  }
+}
diff --git a/src/containers/App.js b/src/containers/App.js
index d6212b3..511b86a 100644
--- a/src/containers/App.js
+++ b/src/containers/App.js
@@ -16,6 +16,7 @@ import Goodreads from '../components/Goodreads';
 import Pocket from '../components/Pocket';
 import Project from '../components/Project';
 import ActivityPub from '../components/ActivityPub';
+import Feed from '../components/Feed';
 
 const themes = [
   'default',
@@ -80,6 +81,7 @@ export default class App extends Component {
           />
           <Blog {...this.props.Blog} theme={theme()} />
           <ActivityPub {...this.props.Toots} name="Toots" maxItems={7} theme={theme()} />
+          <Feed {...this.props.TTRSS} maxItems={12} theme={theme()} />
           <Twitter {...this.props.Twitter} maxItems={7} theme={theme()} />
           <Github {...this.props.Github} maxItems={7} theme={theme()} />
           <Pocket {...this.props.Pocket} maxItems={7} theme={theme()} />