7 files changed, 193 insertions, 0 deletions
diff --git a/webui/src/components/Author.tsx b/webui/src/components/Author.tsx
new file mode 100644
index 00000000..9ac1da52
--- /dev/null
+++ b/webui/src/components/Author.tsx
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+import React from 'react';
+
+import MAvatar from '@material-ui/core/Avatar';
+import Tooltip from '@material-ui/core/Tooltip/Tooltip';
+
+import { AuthoredFragment } from './fragments.generated';
+
+type Props = AuthoredFragment & {
+  className?: string;
+  bold?: boolean;
+};
+
+const Author = ({ author, ...props }: Props) => {
+  if (!author.email) {
+    return <span {...props}>{author.displayName}</span>;
+  }
+
+  return (
+    <Tooltip title={author.email}>
+      <span {...props}>{author.displayName}</span>
+    </Tooltip>
+  );
+};
+
+export const Avatar = ({ author, ...props }: Props) => {
+  if (author.avatarUrl) {
+    return <MAvatar src={author.avatarUrl} {...props} />;
+  }
+
+  return <MAvatar {...props}>{author.displayName[0]}</MAvatar>;
+};
+
+export default Author;
diff --git a/webui/src/components/Content/ImageTag.tsx b/webui/src/components/Content/ImageTag.tsx
new file mode 100644
index 00000000..70ee1bc0
--- /dev/null
+++ b/webui/src/components/Content/ImageTag.tsx
@@ -0,0 +1,23 @@
+import React from 'react';
+
+import { makeStyles } from '@material-ui/styles';
+
+const useStyles = makeStyles({
+  tag: {
+    maxWidth: '100%',
+  },
+});
+
+const ImageTag = ({
+  alt,
+  ...props
+}: React.ImgHTMLAttributes<HTMLImageElement>) => {
+  const classes = useStyles();
+  return (
+    <a href={props.src} target="_blank" rel="noopener noreferrer nofollow">
+      <img className={classes.tag} alt={alt} {...props} />
+    </a>
+  );
+};
+
+export default ImageTag;
diff --git a/webui/src/components/Content/PreTag.tsx b/webui/src/components/Content/PreTag.tsx
new file mode 100644
index 00000000..5256ab12
--- /dev/null
+++ b/webui/src/components/Content/PreTag.tsx
@@ -0,0 +1,17 @@
+import React from 'react';
+
+import { makeStyles } from '@material-ui/styles';
+
+const useStyles = makeStyles({
+  tag: {
+    maxWidth: '100%',
+    overflowX: 'auto',
+  },
+});
+
+const PreTag = (props: React.HTMLProps<HTMLPreElement>) => {
+  const classes = useStyles();
+  return <pre className={classes.tag} {...props}></pre>;
+};
+
+export default PreTag;
diff --git a/webui/src/components/Content/index.tsx b/webui/src/components/Content/index.tsx
new file mode 100644
index 00000000..56e52e1e
--- /dev/null
+++ b/webui/src/components/Content/index.tsx
@@ -0,0 +1,26 @@
+import React from 'react';
+import html from 'remark-html';
+import parse from 'remark-parse';
+import remark2react from 'remark-react';
+import unified from 'unified';
+
+import ImageTag from './ImageTag';
+import PreTag from './PreTag';
+
+type Props = { markdown: string };
+const Content: React.FC<Props> = ({ markdown }: Props) => {
+  const processor = unified()
+    .use(parse)
+    .use(html)
+    .use(remark2react, {
+      remarkReactComponents: {
+        img: ImageTag,
+        pre: PreTag,
+      },
+    });
+
+  const contents: React.ReactNode = processor.processSync(markdown).contents;
+  return <>{contents}</>;
+};
+
+export default Content;
diff --git a/webui/src/components/Date.tsx b/webui/src/components/Date.tsx
new file mode 100644
index 00000000..f9e0a0b2
--- /dev/null
+++ b/webui/src/components/Date.tsx
@@ -0,0 +1,18 @@
+import moment from 'moment';
+import React from 'react';
+import Moment from 'react-moment';
+
+import Tooltip from '@material-ui/core/Tooltip/Tooltip';
+
+const HOUR = 1000 * 3600;
+const DAY = 24 * HOUR;
+const WEEK = 7 * DAY;
+
+type Props = { date: string };
+const Date = ({ date }: Props) => (
+  <Tooltip title={moment(date).format('LLLL')}>
+    <Moment date={date} format="on ll" fromNowDuring={WEEK} />
+  </Tooltip>
+);
+
+export default Date;
diff --git a/webui/src/components/Label.tsx b/webui/src/components/Label.tsx
new file mode 100644
index 00000000..1fb8caea
--- /dev/null
+++ b/webui/src/components/Label.tsx
@@ -0,0 +1,57 @@
+import React from 'react';
+
+import { common } from '@material-ui/core/colors';
+import { makeStyles } from '@material-ui/core/styles';
+import {
+  getContrastRatio,
+  darken,
+} from '@material-ui/core/styles/colorManipulator';
+
+import { Color } from 'src/gqlTypes';
+
+import { LabelFragment } from './fragments.generated';
+
+// Minimum contrast between the background and the text color
+const contrastThreshold = 2.5;
+
+// Guess the text color based on the background color
+const getTextColor = (background: string) =>
+  getContrastRatio(background, common.white) >= contrastThreshold
+    ? common.white // White on dark backgrounds
+    : common.black; // And black on light ones
+
+const _rgb = (color: Color) =>
+  'rgb(' + color.R + ',' + color.G + ',' + color.B + ')';
+
+// Create a style object from the label RGB colors
+const createStyle = (color: Color) => ({
+  backgroundColor: _rgb(color),
+  color: getTextColor(_rgb(color)),
+  borderBottomColor: darken(_rgb(color), 0.2),
+});
+
+const useStyles = makeStyles(theme => ({
+  label: {
+    ...theme.typography.body1,
+    padding: '1px 6px 0.5px',
+    fontSize: '0.9em',
+    fontWeight: 500,
+    margin: '0.05em 1px calc(-1.5px + 0.05em)',
+    borderRadius: '3px',
+    display: 'inline-block',
+    borderBottom: 'solid 1.5px',
+    verticalAlign: 'bottom',
+  },
+}));
+
+type Props = { label: LabelFragment };
+function Label({ label }: Props) {
+  const classes = useStyles();
+  return (
+    <span className={classes.label} style={createStyle(label.color)}>
+      {label.name}
+    </span>
+  );
+}
+
+export default Label;
diff --git a/webui/src/components/fragments.graphql b/webui/src/components/fragments.graphql
new file mode 100644
index 00000000..03a235f9
--- /dev/null
+++ b/webui/src/components/fragments.graphql
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+# Label.tsx
+fragment Label on Label {
+  name
+  color {
+    R
+    G
+    B
+  }
+}
+
+# Author.tsx
+fragment authored on Authored {
+  author {
+    name
+    email
+    displayName
+    avatarUrl
+  }
+}