- Implemented spending of the saved points

hooks/firebase/useUpdateTodo.ts

@@ -140,7 +140,7 @@ export const useUpdateTodo = () => {
                                     Sunday: 0,
                                 };
 
-                                const currentDay = getCurrentDay(todoUpdate.date);
+                                const currentDay = getSelectedDateDay(todoUpdate.date);
                                 const updatedPointsPerDay = todoData.done
                                     ? pointsPerDay[currentDay] + todoUpdate.points
                                     : pointsPerDay[currentDay] - todoUpdate.points;
@@ -185,7 +185,7 @@ export const useUpdateTodo = () => {
     })
 };
 
-const getCurrentDay = (date) => {
+const getSelectedDateDay = (date) => {
     let selectedDate = new Date(date.seconds * 1000);
     const days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
     return days[selectedDate.getDay()];

hooks/firebase/useUpdateUserData.ts

@@ -3,6 +3,7 @@ import {FirebaseAuthTypes} from "@react-native-firebase/auth";
 import {useMutation, useQueryClient} from "@tanstack/react-query";
 import {useAuthContext} from "@/contexts/AuthContext";
 import {UserProfile} from "@/hooks/firebase/types/profileTypes";
+import {Alert} from "react-native";
 
 export const useUpdateUserData = () => {
     const {user: currentUser, refreshProfileData} = useAuthContext();
@@ -54,4 +55,28 @@ export const useUpdateUserData = () => {
             queryClient.invalidateQueries({queryKey: ["events"]})
         },
     });
-};
+};
+
+export const useSpendPoints = () => {
+    const { user: currentUser } = useAuthContext();
+
+    return useMutation({
+        mutationKey: ["spendPoints"],
+        mutationFn: async (pointsToSpend: number) => {
+            const userRef = firestore().collection("Profiles").doc(currentUser?.uid);
+            let userSnapshot = await userRef.get();
+            let userData = userSnapshot.data() as UserProfile;
+
+            if (!userData) return;
+
+            const allTimePoints = userData.allTimePoints || 0;
+            if (allTimePoints < pointsToSpend) {
+                return;
+            }
+
+            await userRef.update({...userData,allTimePoints: allTimePoints - pointsToSpend,})
+
+            Alert.alert("Success", `You spent ${pointsToSpend} points!`);
+        },
+    });
+}