Can start Matrix authentication from UI

matrixgw_frontend/src/routes/MatrixLinkRoute.tsx

@@ -0,0 +1,98 @@
+import LinkIcon from "@mui/icons-material/Link";
+import LinkOffIcon from "@mui/icons-material/LinkOff";
+import {
+  Button,
+  Card,
+  CardActions,
+  CardContent,
+  Typography,
+} from "@mui/material";
+import { MatrixLinkApi } from "../api/MatrixLinkApi";
+import { useAlert } from "../hooks/contexts_provider/AlertDialogProvider";
+import { useLoadingMessage } from "../hooks/contexts_provider/LoadingMessageProvider";
+import { useUserInfo } from "../widgets/dashboard/BaseAuthenticatedPage";
+import { MatrixGWRouteContainer } from "../widgets/MatrixGWRouteContainer";
+
+export function MatrixLinkRoute(): React.ReactElement {
+  const user = useUserInfo();
+  return (
+    <MatrixGWRouteContainer label={"Matrix account link"}>
+      {user.info.matrix_user_id === null ? <ConnectCard /> : <ConnectedCard />}
+    </MatrixGWRouteContainer>
+  );
+}
+
+function ConnectCard(): React.ReactElement {
+  const alert = useAlert();
+  const loadingMessage = useLoadingMessage();
+
+  const startMatrixConnection = async () => {
+    try {
+      loadingMessage.show("Initiating Matrix link...");
+
+      const res = await MatrixLinkApi.StartAuth();
+
+      window.location.href = res.url;
+    } catch (e) {
+      console.error(`Failed to connect to Matrix account! ${e}`);
+      alert(`Failed to connect to Matrix account! ${e}`);
+    } finally {
+      loadingMessage.hide();
+    }
+  };
+
+  return (
+    <Card>
+      <CardContent>
+        <Typography variant="h5" component="div" gutterBottom>
+          <i>Disconnected from your Matrix account</i>
+        </Typography>
+
+        <Typography variant="body1" gutterBottom>
+          You need to connect MatrixGW to your Matrix account to let it access
+          your messages.
+        </Typography>
+      </CardContent>
+      <CardActions>
+        <Button
+          size="small"
+          variant="outlined"
+          startIcon={<LinkIcon />}
+          onClick={startMatrixConnection}
+        >
+          Connect now
+        </Button>
+      </CardActions>
+    </Card>
+  );
+}
+
+function ConnectedCard(): React.ReactElement {
+  const user = useUserInfo();
+
+  return (
+    <Card>
+      <CardContent>
+        <Typography variant="h5" component="div" gutterBottom>
+          <i>Connected to your Matrix account</i>
+        </Typography>
+
+        <Typography variant="body1" gutterBottom>
+          <p>
+            MatrixGW is currently connected to your account with ID{" "}
+            <i>{user.info.matrix_user_id}</i>.
+          </p>
+          <p>
+            If you encounter issues with your Matrix account you can try to
+            disconnect and connect back again.
+          </p>
+        </Typography>
+      </CardContent>
+      <CardActions>
+        <Button size="small" variant="outlined" startIcon={<LinkOffIcon />}>
+          Disconnect
+        </Button>
+      </CardActions>
+    </Card>
+  );
+}