Fix #463 - Fetch and display previews of URLs using OpenGraph tags

app/assets/javascripts/components/features/status/components/card.jsx

@@ -0,0 +1,96 @@
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+
+const outerStyle = {
+  display: 'flex',
+  cursor: 'pointer',
+  fontSize: '14px',
+  border: '1px solid #363c4b',
+  borderRadius: '4px',
+  color: '#616b86',
+  marginTop: '14px',
+  textDecoration: 'none',
+  overflow: 'hidden'
+};
+
+const contentStyle = {
+  flex: '2',
+  padding: '8px',
+  paddingLeft: '14px'
+};
+
+const titleStyle = {
+  display: 'block',
+  fontWeight: '500',
+  marginBottom: '5px',
+  color: '#d9e1e8'
+};
+
+const descriptionStyle = {
+  color: '#d9e1e8'
+};
+
+const imageOuterStyle = {
+  flex: '1',
+  background: '#373b4a'
+};
+
+const imageStyle = {
+  display: 'block',
+  width: '100%',
+  height: 'auto',
+  margin: '0',
+  borderRadius: '4px 0 0 4px'
+};
+
+const hostStyle = {
+  display: 'block',
+  marginTop: '5px',
+  fontSize: '13px'
+};
+
+const getHostname = url => {
+  const parser = document.createElement('a');
+  parser.href = url;
+  return parser.hostname;
+};
+
+const Card = React.createClass({
+  propTypes: {
+    card: ImmutablePropTypes.map
+  },
+
+  mixins: [PureRenderMixin],
+
+  render () {
+    const { card } = this.props;
+
+    if (card === null) {
+      return null;
+    }
+
+    let image = '';
+
+    if (card.get('image')) {
+      image = (
+        <div style={imageOuterStyle}>
+          <img src={card.get('image')} alt={card.get('title')} style={imageStyle} />
+        </div>
+      );
+    }
+
+    return (
+      <a style={outerStyle} href={card.get('url')} className='status-card'>
+        {image}
+
+        <div style={contentStyle}>
+          <strong style={titleStyle}>{card.get('title')}</strong>
+          <p style={descriptionStyle}>{card.get('description')}</p>
+          <span style={hostStyle}>{getHostname(card.get('url'))}</span>
+        </div>
+      </a>
+    );
+  }
+});
+
+export default Card;