fixes and bug features

hooks/firebase/useDeleteGrocery.ts

@@ -0,0 +1,21 @@
+import { useMutation, useQueryClient } from "react-query";
+import firestore from "@react-native-firebase/firestore";
+
+export const useDeleteGrocery = () => {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationKey: ["deleteGrocery"],
+    mutationFn: async (groceryId: string) => {
+      try {
+        await firestore().collection("Groceries").doc(groceryId).delete();
+      } catch (e) {
+        console.error(e);
+        throw new Error("Failed to delete the grocery item.");
+      }
+    },
+    onSuccess: () => {
+      queryClient.invalidateQueries("groceries");
+    },
+  });
+};