Qurator AI Assistant for summarizing file contents using Bedrock API

catalog/app/components/Chat/Chat.tsx

@@ -0,0 +1,91 @@
+import * as React from 'react'
+import * as M from '@material-ui/core'
+import * as Lab from '@material-ui/lab'
+
+import Skeleton from 'components/Skeleton'
+import type * as AWS from 'utils/AWS'
+
+import History from './History'
+import Input from './Input'
+
+const useStyles = M.makeStyles((t) => ({
+  root: {
+    display: 'flex',
+    flexDirection: 'column',
+    flexGrow: 1,
+    overflow: 'hidden',
+  },
+  error: {
+    marginTop: t.spacing(2),
+  },
+  history: {
+    ...t.typography.body1,
+    maxHeight: t.spacing(70),
+    overflowY: 'auto',
+  },
+  input: {
+    marginTop: t.spacing(2),
+  },
+}))
+
+const noMessages: AWS.Bedrock.Message[] = []
+
+export function ChatSkeleton() {
+  const classes = useStyles()
+  return (
+    <div className={classes.root}>
+      <History loading messages={noMessages} />
+      <Skeleton className={classes.input} height="32px" />
+    </div>
+  )
+}
+
+const Submitting = Symbol('Submitting')
+
+interface ChatProps {
+  initializing: boolean
+  history: AWS.Bedrock.History
+  onSubmit: (value: string) => Promise<void>
+}
+
+export default function Chat({ history, onSubmit, initializing }: ChatProps) {
+  const classes = useStyles()
+
+  const [value, setValue] = React.useState('')
+  const [state, setState] = React.useState<Error | typeof Submitting | null>(null)
+
+  const handleSubmit = React.useCallback(async () => {
+    if (state) return
+
+    setState(Submitting)
+    try {
+      await onSubmit(value)
+      setValue('')
+    } catch (e) {
+      setState(e instanceof Error ? e : new Error('Failed to submit message'))
+    }
+    setState(null)
+  }, [state, onSubmit, value])
+
+  return (
+    <div className={classes.root}>
+      <History
+        className={classes.history}
+        loading={state === Submitting || initializing}
+        messages={history.messages}
+      />
+      {state instanceof Error && (
+        <Lab.Alert className={classes.error} severity="error">
+          {state.message}
+        </Lab.Alert>
+      )}
+      <Input
+        className={classes.input}
+        disabled={state === Submitting}
+        onChange={setValue}
+        onSubmit={handleSubmit}
+        value={value}
+      />
+    </div>
+  )
+}

catalog/app/components/Chat/History.tsx

@@ -0,0 +1,101 @@
+import cx from 'classnames'
+import * as React from 'react'
+import * as M from '@material-ui/core'
+
+import usePrevious from 'utils/usePrevious'
+import * as AWS from 'utils/AWS'
+
+import * as Messages from './Message'
+
+const useStyles = M.makeStyles((t) => ({
+  assistant: {
+    animation: `$show 300ms ease-out`,
+  },
+  message: {
+    '& + &': {
+      marginTop: t.spacing(2),
+    },
+  },
+  user: {
+    animation: `$slide 150ms ease-out`,
+    marginLeft: 'auto',
+    width: '60%',
+  },
+  '@keyframes slide': {
+    '0%': {
+      transform: `translateX($${t.spacing(8)}px)`,
+    },
+    '100%': {
+      transform: `translateX(0)`,
+    },
+  },
+  '@keyframes show': {
+    '0%': {
+      opacity: 0.7,
+    },
+    '100%': {
+      opacity: '1',
+    },
+  },
+}))
+
+interface HistoryProps {
+  className?: string
+  loading: boolean
+  messages: AWS.Bedrock.Message[]
+}
+
+export default function History({ className, loading, messages }: HistoryProps) {
+  const classes = useStyles()
+
+  const list = React.useMemo(
+    () => messages.filter((message) => message.role !== 'system'),
+    [messages],
+  )
+
+  const ref = React.useRef<HTMLDivElement | null>(null)
+  usePrevious(messages, (prev) => {
+    if (prev && messages.length > prev.length) {
+      ref.current?.scroll({
+        top: ref.current?.firstElementChild?.clientHeight,
+        behavior: 'smooth',
+      })
+    }
+  })
+
+  return (
+    <div className={className} ref={ref}>
+      <div /* full height scroll area */>
+        {list.map((message, index) => {
+          switch (message.role) {
+            case 'user':
+              return (
+                <Messages.User
+                  key={`message_${index}`}
+                  className={cx(classes.message, classes.user)}
+                  content={message.content}
+                />
+              )
+            case 'summarize':
+              return (
+                <Messages.User
+                  key={`message_${index}`}
+                  className={cx(classes.message, classes.user)}
+                  content="Summarize this document"
+                />
+              )
+            case 'assistant':
+              return (
+                <Messages.Assistant
+                  key={`message_${index}`}
+                  className={cx(classes.message, classes.assistant)}
+                  content={message.content}
+                />
+              )
+          }
+        })}
+        {loading && <Messages.Skeleton className={classes.message} />}
+      </div>
+    </div>
+  )
+}

catalog/app/components/Chat/Input.tsx

@@ -0,0 +1,51 @@
+import * as React from 'react'
+import * as M from '@material-ui/core'
+
+interface ChatInputProps {
+  className?: string
+  disabled?: boolean
+  onChange: (value: string) => void
+  onSubmit: () => void
+  value: string
+}
+
+export default function ChatInput({
+  className,
+  disabled,
+  onChange,
+  onSubmit,
+  value,
+}: ChatInputProps) {
+  const handleSubmit = React.useCallback(
+    (event) => {
+      event.preventDefault()
+      if (!value || disabled) return
+      onSubmit()
+    },
+    [disabled, onSubmit, value],
+  )
+  return (
+    <form onSubmit={handleSubmit}>
+      <M.TextField
+        autoFocus
+        className={className}
+        disabled={disabled}
+        fullWidth
+        label="Chat"
+        onChange={(e) => onChange(e.target.value)}
+        size="small"
+        value={value}
+        variant="outlined"
+        InputProps={{
+          endAdornment: (
+            <M.InputAdornment position="end">
+              <M.IconButton disabled={!value} onClick={onSubmit} type="submit">
+                <M.Icon>send</M.Icon>
+              </M.IconButton>
+            </M.InputAdornment>
+          ),
+        }}
+      />
+    </form>
+  )
+}

catalog/app/components/Chat/Message.tsx

@@ -0,0 +1,73 @@
+import cx from 'classnames'
+import * as React from 'react'
+import * as M from '@material-ui/core'
+import { fade } from '@material-ui/core/styles'
+
+import Markdown from 'components/Markdown'
+import Skel from 'components/Skeleton'
+
+const useSkeletonStyles = M.makeStyles((t) => ({
+  text: {
+    height: t.spacing(2),
+    '& + &': {
+      marginTop: t.spacing(1),
+    },
+  },
+}))
+
+interface SkeletonProps {
+  className?: string
+}
+
+export function Skeleton({ className }: SkeletonProps) {
+  const classes = useSkeletonStyles()
+  return (
+    <div className={className}>
+      <Skel className={classes.text} width="30%" />
+      <Skel className={classes.text} width="90%" />
+      <Skel className={classes.text} width="70%" />
+      <Skel className={classes.text} width="50%" />
+    </div>
+  )
+}
+
+interface AssistantProps {
+  className?: string
+  content: string
+}
+
+export function Assistant({ className, content }: AssistantProps) {
+  return (
+    <div className={className}>
+      <Markdown data={content} />
+    </div>
+  )
+}
+
+const useUserStyles = M.makeStyles((t) => ({
+  root: {
+    borderRadius: t.shape.borderRadius,
+    background: t.palette.primary.main,
+  },
+  inner: {
+    padding: t.spacing(2),
+    background: fade(t.palette.background.paper, 0.9),
+  },
+}))
+
+interface UserProps {
+  className?: string
+  content: string
+}
+
+export function User({ className, content }: UserProps) {
+  const classes = useUserStyles()
+
+  return (
+    <div className={cx(classes.root, className)}>
+      <div className={classes.inner}>
+        <Markdown data={content} />
+      </div>
+    </div>
+  )
+}

catalog/app/components/Chat/index.ts

@@ -0,0 +1,3 @@
+export { default as Input } from './Input'
+export { default as History } from './History'
+export { default, ChatSkeleton } from './Chat'

catalog/app/components/Markdown/Markdown.tsx

@@ -206,6 +206,18 @@ const useContainerStyles = M.makeStyles({
       maxWidth: '100%',
     },
 
+    '& * + h1, & * + h2, & * + h3, & * + h4, & * + h5, & * + h6': {
+      marginTop: '8px',
+    },
+
+    '& * + p': {
+      marginTop: '8px',
+    },
+
+    '& li + li': {
+      marginTop: '4px',
+    },
+
     '& table': {
       maxWidth: '100%',
       width: '100%',

catalog/app/containers/Bucket/File.js

@@ -32,6 +32,7 @@
 import FileCodeSamples from './CodeSamples/File'
 import FileProperties from './FileProperties'
 import * as FileView from './FileView'
+import QuratorSection from './Qurator/Section'
 import Section from './Section'
 import renderPreview from './renderPreview'
 import * as requests from './requests'
@@ -496,6 +497,9 @@
                       {!!cfg.analyticsBucket && !!blocks.analytics && (
                         <Analytics {...{ bucket, path }} />
                       )}
+                      {cfg.qurator && blocks.qurator && (
+                        <QuratorSection handle={handle} />
+                      )}
                       {blocks.meta && (
                         <>
                           <FileView.ObjectMeta handle={handle} />

catalog/app/containers/Bucket/PackageTree/PackageTree.tsx

@@ -37,6 +37,7 @@
 import * as Listing from '../Listing'
 import PackageCopyDialog from '../PackageCopyDialog'
 import * as PD from '../PackageDialog'
+import QuratorSection from '../Qurator/Section'
 import Section from '../Section'
 import * as Successors from '../Successors'
 import Summary from '../Summary'
@@ -677,6 +678,9 @@
                           <FileView.ObjectTags handle={handle} />
                         </>
                       )}
+                      {cfg.qurator && blocks.qurator && (
+                        <QuratorSection handle={handle} />
+                      )}
                     </>
                   ),
                   _: () => null,