9 files changed, 230 insertions, 22 deletions
diff --git a/webui/src/components/Author.tsx b/webui/src/components/Author.tsx
index 9ac1da52..d60e8969 100644
--- a/webui/src/components/Author.tsx
+++ b/webui/src/components/Author.tsx
@@ -3,7 +3,7 @@ import React from 'react';
 import MAvatar from '@material-ui/core/Avatar';
 import Tooltip from '@material-ui/core/Tooltip/Tooltip';
 
-import { AuthoredFragment } from './fragments.generated';
+import { AuthoredFragment } from '../graphql/fragments.generated';
 
 type Props = AuthoredFragment & {
   className?: string;
diff --git a/webui/src/components/CommentInput/CommentInput.tsx b/webui/src/components/CommentInput/CommentInput.tsx
new file mode 100644
index 00000000..86cc7dbb
--- /dev/null
+++ b/webui/src/components/CommentInput/CommentInput.tsx
@@ -0,0 +1,107 @@
+import React, { useState, useEffect } from 'react';
+
+import Tab from '@material-ui/core/Tab';
+import Tabs from '@material-ui/core/Tabs';
+import TextField from '@material-ui/core/TextField';
+import { makeStyles } from '@material-ui/core/styles';
+
+import Content from 'src/components/Content';
+
+/**
+ * Styles
+ */
+const useStyles = makeStyles((theme) => ({
+  container: {
+    margin: theme.spacing(2, 0),
+    padding: theme.spacing(0, 2, 2, 2),
+  },
+  textarea: {},
+  tabContent: {
+    margin: theme.spacing(2, 0),
+  },
+  preview: {
+    borderBottom: `solid 3px ${theme.palette.grey['200']}`,
+    minHeight: '5rem',
+  },
+}));
+
+type TabPanelProps = {
+  children: React.ReactNode;
+  value: number;
+  index: number;
+} & React.HTMLProps<HTMLDivElement>;
+function TabPanel({ children, value, index, ...props }: TabPanelProps) {
+  return (
+    <div
+      role="tabpanel"
+      hidden={value !== index}
+      id={`editor-tabpanel-${index}`}
+      aria-labelledby={`editor-tab-${index}`}
+      {...props}
+    >
+      {value === index && children}
+    </div>
+  );
+}
+
+const a11yProps = (index: number) => ({
+  id: `editor-tab-${index}`,
+  'aria-controls': `editor-tabpanel-${index}`,
+});
+
+type Props = {
+  inputProps?: any;
+  loading: boolean;
+  onChange: (comment: string) => void;
+};
+
+/**
+ * Component for issue comment input
+ *
+ * @param inputProps Reset input value
+ * @param loading Disable input when component not ready yet
+ * @param onChange Callback to return input value changes
+ */
+function CommentInput({ inputProps, loading, onChange }: Props) {
+  const [input, setInput] = useState<string>('');
+  const [tab, setTab] = useState(0);
+  const classes = useStyles();
+
+  useEffect(() => {
+    if (inputProps) setInput(inputProps.value);
+  }, [inputProps]);
+
+  useEffect(() => {
+    onChange(input);
+  }, [input, onChange]);
+
+  return (
+    <div>
+      <Tabs value={tab} onChange={(_, t) => setTab(t)}>
+        <Tab label="Write" {...a11yProps(0)} />
+        <Tab label="Preview" {...a11yProps(1)} />
+      </Tabs>
+      <div className={classes.tabContent}>
+        <TabPanel value={tab} index={0}>
+          <TextField
+            fullWidth
+            label="Comment"
+            placeholder="Leave a comment"
+            className={classes.textarea}
+            multiline
+            value={input}
+            variant="filled"
+            rows="4" // TODO: rowsMin support
+            onChange={(e: any) => setInput(e.target.value)}
+            disabled={loading}
+          />
+        </TabPanel>
+        <TabPanel value={tab} index={1} className={classes.preview}>
+          <Content markdown={input} />
+        </TabPanel>
+      </div>
+    </div>
+  );
+}
+
+export default CommentInput;
diff --git a/webui/src/components/CurrentIdentity/CurrentIdentity.graphql b/webui/src/components/CurrentIdentity/CurrentIdentity.graphql
new file mode 100644
index 00000000..2794a40f
--- /dev/null
+++ b/webui/src/components/CurrentIdentity/CurrentIdentity.graphql
@@ -0,0 +1,8 @@
+query CurrentIdentity {
+  repository {
+    userIdentity {
+      displayName
+      avatarUrl
+    }
+  }
+}
diff --git a/webui/src/components/CurrentIdentity/CurrentIdentity.tsx b/webui/src/components/CurrentIdentity/CurrentIdentity.tsx
new file mode 100644
index 00000000..8cd3585b
--- /dev/null
+++ b/webui/src/components/CurrentIdentity/CurrentIdentity.tsx
@@ -0,0 +1,31 @@
+import React from 'react';
+
+import Avatar from '@material-ui/core/Avatar';
+import { makeStyles } from '@material-ui/core/styles';
+
+import { useCurrentIdentityQuery } from './CurrentIdentity.generated';
+
+const useStyles = makeStyles((theme) => ({
+  displayName: {
+    marginLeft: theme.spacing(2),
+  },
+}));
+
+const CurrentIdentity = () => {
+  const classes = useStyles();
+  const { loading, error, data } = useCurrentIdentityQuery();
+
+  if (error || loading || !data?.repository?.userIdentity) return null;
+
+  const user = data.repository.userIdentity;
+  return (
+    <>
+      <Avatar src={user.avatarUrl ? user.avatarUrl : undefined}>
+        {user.displayName.charAt(0).toUpperCase()}
+      </Avatar>
+      <div className={classes.displayName}>{user.displayName}</div>
+    </>
+  );
+};
+
+export default CurrentIdentity;
diff --git a/webui/src/components/Header/Header.tsx b/webui/src/components/Header/Header.tsx
new file mode 100644
index 00000000..3e39b5f3
--- /dev/null
+++ b/webui/src/components/Header/Header.tsx
@@ -0,0 +1,50 @@
+import React from 'react';
+import { Link } from 'react-router-dom';
+
+import AppBar from '@material-ui/core/AppBar';
+import Toolbar from '@material-ui/core/Toolbar';
+import { makeStyles } from '@material-ui/core/styles';
+
+import CurrentIdentity from '../CurrentIdentity/CurrentIdentity';
+
+const useStyles = makeStyles((theme) => ({
+  offset: {
+    ...theme.mixins.toolbar,
+  },
+  filler: {
+    flexGrow: 1,
+  },
+  appTitle: {
+    ...theme.typography.h6,
+    color: 'white',
+    textDecoration: 'none',
+    display: 'flex',
+    alignItems: 'center',
+  },
+  logo: {
+    height: '42px',
+    marginRight: theme.spacing(2),
+  },
+}));
+
+function Header() {
+  const classes = useStyles();
+
+  return (
+    <>
+      <AppBar position="fixed" color="primary">
+        <Toolbar>
+          <Link to="/" className={classes.appTitle}>
+            <img src="/logo.svg" className={classes.logo} alt="git-bug" />
+            git-bug
+          </Link>
+          <div className={classes.filler}></div>
+          <CurrentIdentity />
+        </Toolbar>
+      </AppBar>
+      <div className={classes.offset} />
+    </>
+  );
+}
+
+export default Header;
diff --git a/webui/src/components/Header/index.tsx b/webui/src/components/Header/index.tsx
new file mode 100644
index 00000000..42a0cfc1
--- /dev/null
+++ b/webui/src/components/Header/index.tsx
@@ -0,0 +1,18 @@
+import React from 'react';
+
+import CssBaseline from '@material-ui/core/CssBaseline';
+
+import Header from './Header';
+
+type Props = { children: React.ReactNode };
+function Layout({ children }: Props) {
+  return (
+    <>
+      <CssBaseline />
+      <Header />
+      {children}
+    </>
+  );
+}
+
+export default Layout;
diff --git a/webui/src/components/IfLoggedIn/IfLoggedIn.tsx b/webui/src/components/IfLoggedIn/IfLoggedIn.tsx
new file mode 100644
index 00000000..2476aad8
--- /dev/null
+++ b/webui/src/components/IfLoggedIn/IfLoggedIn.tsx
@@ -0,0 +1,14 @@
+import React from 'react';
+
+import { useCurrentIdentityQuery } from '../CurrentIdentity/CurrentIdentity.generated';
+
+type Props = { children: () => React.ReactNode };
+const IfLoggedIn = ({ children }: Props) => {
+  const { loading, error, data } = useCurrentIdentityQuery();
+
+  if (error || loading || !data?.repository?.userIdentity) return null;
+
+  return <>{children()}</>;
+};
+
+export default IfLoggedIn;
diff --git a/webui/src/components/Label.tsx b/webui/src/components/Label.tsx
index 4aaa6bb6..111f6d7f 100644
--- a/webui/src/components/Label.tsx
+++ b/webui/src/components/Label.tsx
@@ -7,10 +7,9 @@ import {
   darken,
 } from '@material-ui/core/styles/colorManipulator';
 
+import { LabelFragment } from '../graphql/fragments.generated';
 import { Color } from 'src/gqlTypes';
 
-import { LabelFragment } from './fragments.generated';
-
 // Minimum contrast between the background and the text color
 const contrastThreshold = 2.5;
 
diff --git a/webui/src/components/fragments.graphql b/webui/src/components/fragments.graphql
deleted file mode 100644
index 03a235f9..00000000
--- a/webui/src/components/fragments.graphql
+++ /dev/null
@@ -1,19 +0,0 @@
-# Label.tsx
-fragment Label on Label {
-  name
-  color {
-    R
-    G
-    B
-  }
-}
-
-# Author.tsx
-fragment authored on Authored {
-  author {
-    name
-    email
-    displayName
-    avatarUrl
-  }
-}