Add a new tab to rooms with forward extremities (#107)

Add a new tab to rooms with forward extremities.

src/components/rooms.js

@@ -8,6 +8,7 @@ import {
   DeleteButton,
   Filter,
   List,
+  NumberField,
   Pagination,
   ReferenceField,
   ReferenceManyField,
@@ -23,7 +24,9 @@ import {
 } from "react-admin";
 import get from "lodash/get";
 import PropTypes from "prop-types";
+import { makeStyles } from "@material-ui/core/styles";
 import { Tooltip, Typography, Chip } from "@material-ui/core";
+import FastForwardIcon from "@material-ui/icons/FastForward";
 import HttpsIcon from "@material-ui/icons/Https";
 import NoEncryptionIcon from "@material-ui/icons/NoEncryption";
 import PageviewIcon from "@material-ui/icons/Pageview";
@@ -38,6 +41,13 @@ import {
   RoomDirectorySaveButton,
 } from "./RoomDirectory";
 
+const useStyles = makeStyles(theme => ({
+  helper_forward_extremities: {
+    fontFamily: "Roboto, Helvetica, Arial, sans-serif",
+    margin: "0.5em",
+  },
+}));
+
 const RoomPagination = props => (
   <Pagination {...props} rowsPerPageOptions={[10, 25, 50, 100, 500, 1000]} />
 );
@@ -109,6 +119,7 @@ const RoomShowActions = ({ basePath, data, resource }) => {
 };
 
 export const RoomShow = props => {
+  const classes = useStyles({ props });
   const translate = useTranslate();
   return (
     <Show {...props} actions={<RoomShowActions />} title={<RoomTitle />}>
@@ -220,6 +231,7 @@ export const RoomShow = props => {
             ]}
           />
         </Tab>
+
         <Tab
           label={translate("resources.room_state.name", { smart_count: 2 })}
           icon={<EventIcon />}
@@ -256,6 +268,40 @@ export const RoomShow = props => {
             </Datagrid>
           </ReferenceManyField>
         </Tab>
+
+        <Tab
+          label="resources.forward_extremities.name"
+          icon={<FastForwardIcon />}
+          path="forward_extremities"
+        >
+          <div className={classes.helper_forward_extremities}>
+            {translate("resources.rooms.helper.forward_extremities")}
+          </div>
+          <ReferenceManyField
+            reference="forward_extremities"
+            target="room_id"
+            addLabel={false}
+          >
+            <Datagrid style={{ width: "100%" }}>
+              <TextField source="id" sortable={false} />
+              <DateField
+                source="received_ts"
+                showTime
+                options={{
+                  year: "numeric",
+                  month: "2-digit",
+                  day: "2-digit",
+                  hour: "2-digit",
+                  minute: "2-digit",
+                  second: "2-digit",
+                }}
+                sortable={false}
+              />
+              <NumberField source="depth" sortable={false} />
+              <TextField source="state_group" sortable={false} />
+            </Datagrid>
+          </ReferenceManyField>
+        </Tab>
       </TabbedShowLayout>
     </Show>
   );