Removes deleted food's id from consumer fav

src/functions/DeleteFav.tsx

@@ -0,0 +1,36 @@
+import {
+  collection,
+  getDocs,
+  writeBatch,
+  query,
+  where,
+} from "firebase/firestore";
+import { db } from "../config/firebase";
+
+interface FavList {
+  favorites: string[];
+}
+
+export const deleteFav = async (foodId: string) => {
+  try {
+    const favCollectionRef = collection(db, "consumer");
+    const q = query(
+      favCollectionRef,
+      where("favorites", "array-contains", foodId)
+    );
+    const querySnapshot = await getDocs(q);
+    const batch = writeBatch(db);
+
+    querySnapshot.forEach((doc) => {
+      const consumerDoc = doc.data() as FavList;
+      const updatedFavList = consumerDoc.favorites.filter(
+        (id) => id !== foodId
+      );
+      batch.update(doc.ref, { favorites: updatedFavList });
+    });
+
+    await batch.commit();
+  } catch (error: any) {
+    throw error;
+  }
+};

src/pages/Dashboard.tsx

@@ -12,6 +12,7 @@ import { getFoodList } from "../functions/GetFood";
 import { Spinner } from "react-bootstrap";
 import { useAuth } from "../context/Auth";
 import { useNavigate } from "react-router-dom";
+import { deleteFav } from "../functions/DeleteFav";
 
 export function Dashboard() {
   const { user, isConsumer } = useAuth();
@@ -68,6 +69,11 @@ export function Dashboard() {
           await deleteObject(ref(getStorage(), data.imagePath));
           await deleteDoc(foodDoc);
           setFoodList((prevList) => prevList.filter((food) => food.id !== id));
+          try {
+            deleteFav(id); // Delete food item for all conumers that saved it as favorites
+          } catch (error) {
+            throw error;
+          }
           deleteSuccess(data.name);
         }
       } catch (error) {