Can delete a device relay from UI

central_frontend/src/routes/DeviceRoute/DeviceRelays.tsx

@@ -1,14 +1,32 @@
 import AddIcon from "@mui/icons-material/Add";
-import { IconButton, Tooltip } from "@mui/material";
+import DeleteIcon from "@mui/icons-material/Delete";
+import EditIcon from "@mui/icons-material/Edit";
+import {
+  IconButton,
+  ListItem,
+  ListItemText,
+  Tooltip,
+  Typography,
+} from "@mui/material";
 import React from "react";
 import { Device, DeviceRelay } from "../../api/DeviceApi";
-import { DeviceRouteCard } from "./DeviceRouteCard";
 import { EditDeviceRelaysDialog } from "../../dialogs/EditDeviceRelaysDialog";
+import { DeviceRouteCard } from "./DeviceRouteCard";
+import { useConfirm } from "../../hooks/context_providers/ConfirmDialogProvider";
+import { useLoadingMessage } from "../../hooks/context_providers/LoadingMessageProvider";
+import { RelayApi } from "../../api/RelayApi";
+import { useSnackbar } from "../../hooks/context_providers/SnackbarProvider";
+import { useAlert } from "../../hooks/context_providers/AlertDialogProvider";
 
 export function DeviceRelays(p: {
   device: Device;
   onReload: () => void;
 }): React.ReactElement {
+  const confirm = useConfirm();
+  const loadingMessage = useLoadingMessage();
+  const snackbar = useSnackbar();
+  const alert = useAlert();
+
   const [dialogOpen, setDialogOpen] = React.useState(false);
   const [currRelay, setCurrRelay] = React.useState<DeviceRelay | undefined>();
 
@@ -17,6 +35,25 @@ export function DeviceRelays(p: {
     setCurrRelay(undefined);
   };
 
+  const deleteRelay = async (r: DeviceRelay) => {
+    if (
+      !(await confirm("Do you really want to delete this relay configuration?"))
+    )
+      return;
+
+    try {
+      await RelayApi.Delete(r);
+
+      p.onReload();
+      snackbar("The relay configuration was successfully deleted!");
+    } catch (e) {
+      console.error("Failed to delete relay!", e);
+      alert(`Failed to delete device relay configuration! ${e}`);
+    } finally {
+      loadingMessage.hide();
+    }
+  };
+
   return (
     <>
       {dialogOpen && (
@@ -43,7 +80,39 @@ export function DeviceRelays(p: {
           </Tooltip>
         }
       >
-        TODO : relays list ({p.device.relays.length}) relays now)
+        {p.device.relays.length === 0 ? (
+          <Typography style={{ textAlign: "center" }}>
+            No relay configured yet.
+          </Typography>
+        ) : (
+          <></>
+        )}
+
+        {p.device.relays.map((r, i) => (
+          <ListItem
+            alignItems="flex-start"
+            key={r.id}
+            secondaryAction={
+              <>
+                <Tooltip title="Edit the relay configuration">
+                  <IconButton>
+                    <EditIcon />
+                  </IconButton>
+                </Tooltip>
+
+                {i === p.device.relays.length - 1 && (
+                  <Tooltip title="Delete the relay configuration">
+                    <IconButton onClick={() => deleteRelay(r)}>
+                      <DeleteIcon />
+                    </IconButton>
+                  </Tooltip>
+                )}
+              </>
+            }
+          >
+            <ListItemText primary={r.name} secondary={"TODO: status"} />
+          </ListItem>
+        ))}
       </DeviceRouteCard>
     </>
   );