webui: reorganize the code

3 files changed, 282 insertions, 0 deletions

diff --git a/webui/src/list/BugRow.js b/webui/src/list/BugRow.js
new file mode 100644
index 00000000..1ce5ea06
--- /dev/null
+++ b/webui/src/list/BugRow.js
@@ -0,0 +1,102 @@
+import { withStyles } from '@material-ui/core/styles'
+import TableCell from '@material-ui/core/TableCell/TableCell'
+import TableRow from '@material-ui/core/TableRow/TableRow'
+import Tooltip from '@material-ui/core/Tooltip/Tooltip'
+import Typography from '@material-ui/core/Typography'
+import ErrorOutline from '@material-ui/icons/ErrorOutline'
+import gql from 'graphql-tag'
+import * as moment from 'moment'
+import React from 'react'
+import { Link } from 'react-router-dom'
+
+const Open = ({className}) => <Tooltip title="Open">
+  <ErrorOutline nativeColor='#28a745' className={className}/>
+</Tooltip>
+
+const Closed = ({className}) => <Tooltip title="Closed">
+  <ErrorOutline nativeColor='#cb2431' className={className}/>
+</Tooltip>
+
+const Status = ({status, className}) => {
+  switch (status) {
+    case 'OPEN':
+      return <Open className={className}/>
+    case 'CLOSED':
+      return <Closed className={className}/>
+    default:
+      return 'unknown status ' + status
+  }
+}
+
+const styles = theme => ({
+  cell: {
+    display: 'flex',
+    alignItems: 'center'
+  },
+  status: {
+    margin: 10
+  },
+  expand: {
+    width: '100%'
+  },
+  title: {
+    display: 'inline-block',
+    textDecoration: 'none'
+  },
+  labels: {
+    display: 'inline-block',
+    paddingLeft: theme.spacing.unit,
+    '&>span': {
+      padding: '0 4px',
+      margin: '0 1px',
+      backgroundColor: '#da9898',
+      borderRadius: '3px'
+    }
+  }
+})
+
+const BugRow = ({bug, classes}) => (
+  <TableRow hover>
+    <TableCell className={classes.cell}>
+      <Status status={bug.status} className={classes.status}/>
+      <div className={classes.expand}>
+        <Link to={'bug/' + bug.humanId}>
+          <div className={classes.expand}>
+
+            <Typography variant={'title'} className={classes.title}>
+              {bug.title}
+            </Typography>
+            <span className={classes.labels}>
+              {bug.labels.map(l => (
+                <span key={l}>{l}</span>)
+              )}
+            </span>
+          </div>
+        </Link>
+        <Typography color={'textSecondary'}>
+          {bug.humanId} opened
+          <Tooltip title={moment(bug.createdAt).format('MMMM D, YYYY, h:mm a')}>
+            <span> {moment(bug.createdAt).fromNow()} </span>
+          </Tooltip>
+          by {bug.author.name}
+        </Typography>
+      </div>
+    </TableCell>
+  </TableRow>
+)
+
+BugRow.fragment = gql`
+  fragment BugRow on Bug {
+    id
+    humanId
+    title
+    status
+    createdAt
+    labels
+    author {
+      name
+    }
+  }
+`
+
+export default withStyles(styles)(BugRow)
diff --git a/webui/src/list/List.js b/webui/src/list/List.js
new file mode 100644
index 00000000..880782c7
--- /dev/null
+++ b/webui/src/list/List.js
@@ -0,0 +1,135 @@
+import { withStyles } from '@material-ui/core/styles'
+import Table from '@material-ui/core/Table/Table'
+import TableBody from '@material-ui/core/TableBody/TableBody'
+import TablePagination from '@material-ui/core/TablePagination/TablePagination'
+import React from 'react'
+import BugRow from './BugRow'
+
+const styles = theme => ({
+  main: {
+    maxWidth: 600,
+    margin: 'auto',
+    marginTop: theme.spacing.unit * 4
+  }
+})
+
+class List extends React.Component {
+
+  props: {
+    bugs: Array,
+    fetchMore: (any) => any,
+    classes: any,
+  }
+
+  state = {
+    page: 0,
+    rowsPerPage: 10,
+    lastQuery: {}
+  }
+
+  handleChangePage = (event, page) => {
+    const {bugs, fetchMore} = this.props
+    const {rowsPerPage} = this.state
+    const pageInfo = bugs.pageInfo
+
+    if (page === this.state.page + 1) {
+      if (!pageInfo.hasNextPage) {
+        return
+      }
+
+      const variables = {
+        after: pageInfo.endCursor,
+        first: rowsPerPage
+      }
+
+      fetchMore({
+        variables,
+        updateQuery: this.updateQuery,
+      })
+
+      this.setState({page, lastQuery: variables})
+      return
+    }
+
+    if (page === this.state.page - 1) {
+      if (!pageInfo.hasPreviousPage) {
+        return
+      }
+
+      const variables = {
+        before: pageInfo.startCursor,
+        last: rowsPerPage
+      }
+
+      fetchMore({
+        variables,
+        updateQuery: this.updateQuery,
+      })
+
+      this.setState({page, lastQuery: variables})
+      return
+    }
+
+    throw new Error('non neighbour page pagination is not supported')
+  }
+
+  handleChangeRowsPerPage = event => {
+    const {fetchMore} = this.props
+    const {lastQuery} = this.state
+    const rowsPerPage = event.target.value
+
+    const variables = lastQuery
+
+    if (lastQuery.first) {
+      variables.first = rowsPerPage
+    } else if (lastQuery.last) {
+      variables.last = rowsPerPage
+    } else {
+      variables.first = rowsPerPage
+    }
+
+    fetchMore({
+      variables,
+      updateQuery: this.updateQuery,
+    })
+
+    this.setState({rowsPerPage, lastQuery: variables})
+  }
+
+  updateQuery = (previousResult, {fetchMoreResult}) => {
+    return fetchMoreResult ? fetchMoreResult : previousResult
+  }
+
+  render() {
+    const {classes, bugs} = this.props
+    const {page, rowsPerPage} = this.state
+
+    return (
+      <main className={classes.main}>
+        <Table className={classes.table}>
+          <TableBody>
+            {bugs.edges.map(({cursor, node}) => (
+              <BugRow bug={node} key={cursor}/>
+            ))}
+          </TableBody>
+        </Table>
+        <TablePagination
+          component="div"
+          count={bugs.totalCount}
+          rowsPerPage={rowsPerPage}
+          page={page}
+          backIconButtonProps={{
+            'aria-label': 'Previous Page'
+          }}
+          nextIconButtonProps={{
+            'aria-label': 'Next Page'
+          }}
+          onChangePage={this.handleChangePage}
+          onChangeRowsPerPage={this.handleChangeRowsPerPage}
+        />
+      </main>
+    )
+  }
+}
+
+export default withStyles(styles)(List)
diff --git a/webui/src/list/ListPage.js b/webui/src/list/ListPage.js
new file mode 100644
index 00000000..b7de735f
--- /dev/null
+++ b/webui/src/list/ListPage.js
@@ -0,0 +1,45 @@
+// @flow
+import CircularProgress from '@material-ui/core/CircularProgress'
+import gql from 'graphql-tag'
+import React from 'react'
+import { Query } from 'react-apollo'
+
+import BugRow from './BugRow'
+import List from './List'
+
+const QUERY = gql`
+  query($first: Int = 10, $last: Int, $after: String, $before: String) {
+    defaultRepository {
+      bugs: allBugs(first: $first, last: $last, after: $after, before: $before) {
+        totalCount
+        edges {
+          cursor
+          node {
+            ...BugRow
+          }
+        }
+        pageInfo{
+          hasNextPage
+          hasPreviousPage
+          startCursor
+          endCursor
+        }
+      }
+    }
+  }
+
+
+  ${BugRow.fragment}
+`
+
+const ListPage = () => (
+  <Query query={QUERY}>
+    {({loading, error, data, fetchMore}) => {
+      if (loading) return <CircularProgress/>
+      if (error) return <p>Error.</p>
+      return <List bugs={data.defaultRepository.bugs} fetchMore={fetchMore}/>
+    }}
+  </Query>
+)
+
+export default ListPage