refactor: integrate Better-Auth for authentication and remove Supabase dependencies

apps/backend/src/modules/admin-booking/handlers/create-admin-booking.handler.ts

@@ -10,10 +10,10 @@ type ComplexIdParams = { complexId: string };
 export async function createAdminBookingHandler(c: AppContext) {
   const { complexId } = c.req.valid('param' as never) as ComplexIdParams;
   const payload = c.req.valid('json' as never) as CreateAdminBookingInput;
-  const appUserId = c.get('appUserId');
+  const user = c.get('user');
 
   try {
-    const booking = await createAdminBooking(appUserId, complexId, payload);
+    const booking = await createAdminBooking(user.id, complexId, payload);
     return c.json(booking, 201);
   } catch (error) {
     if (error instanceof AdminBookingServiceError) {

apps/backend/src/modules/admin-booking/handlers/list-admin-bookings.handler.ts

@@ -10,10 +10,10 @@ type ComplexIdParams = { complexId: string };
 export async function listAdminBookingsHandler(c: AppContext) {
   const { complexId } = c.req.valid('param' as never) as ComplexIdParams;
   const query = c.req.valid('query' as never) as ListAdminBookingsQuery;
-  const appUserId = c.get('appUserId');
+  const user = c.get('user');
 
   try {
-    const response = await listAdminBookings(appUserId, complexId, query);
+    const response = await listAdminBookings(user.id, complexId, query);
     return c.json(response);
   } catch (error) {
     if (error instanceof AdminBookingServiceError) {

apps/backend/src/modules/admin-booking/handlers/update-admin-booking-status.handler.ts

@@ -10,10 +10,10 @@ type BookingIdParams = { id: string };
 export async function updateAdminBookingStatusHandler(c: AppContext) {
   const { id } = c.req.valid('param' as never) as BookingIdParams;
   const payload = c.req.valid('json' as never) as UpdateAdminBookingStatusInput;
-  const appUserId = c.get('appUserId');
+  const user = c.get('user');
 
   try {
-    const booking = await updateAdminBookingStatus(appUserId, id, payload);
+    const booking = await updateAdminBookingStatus(user.id, id, payload);
     return c.json(booking);
   } catch (error) {
     if (error instanceof AdminBookingServiceError) {

apps/backend/src/modules/admin-booking/services/admin-booking.service.ts

@@ -126,12 +126,12 @@ function buildSlots(
   return slots;
 }
 
-async function ensureComplexAccess(complexId: string, appUserId: string) {
+async function ensureComplexAccess(complexId: string, userId: string) {
   const complexUser = await db.complexUser.findUnique({
     where: {
       complexId_userId: {
         complexId,
-        userId: appUserId,
+        userId,
       },
     },
     include: {
@@ -205,11 +205,11 @@ function mapBookingResponse(booking: {
 }
 
 export async function listAdminBookings(
-  appUserId: string,
+  userId: string,
   complexId: string,
   query: ListAdminBookingsQuery
 ) {
-  await ensureComplexAccess(complexId, appUserId);
+  await ensureComplexAccess(complexId, userId);
   const fromDate = parseIsoDate(query.fromDate);
 
   const bookings = await db.courtBooking.findMany({
@@ -253,11 +253,11 @@ export async function listAdminBookings(
 }
 
 export async function createAdminBooking(
-  appUserId: string,
+  userId: string,
   complexId: string,
   input: CreateAdminBookingInput
 ) {
-  const complex = await ensureComplexAccess(complexId, appUserId);
+  const complex = await ensureComplexAccess(complexId, userId);
   const bookingDate = parseIsoDate(input.date);
   const dayOfWeek = getDayOfWeek(bookingDate);
 
@@ -436,7 +436,7 @@ export async function createAdminBooking(
 }
 
 export async function updateAdminBookingStatus(
-  appUserId: string,
+  userId: string,
   bookingId: string,
   input: UpdateAdminBookingStatusInput
 ) {
@@ -447,7 +447,7 @@ export async function updateAdminBookingStatus(
         complex: {
           users: {
             some: {
-              userId: appUserId,
+              userId,
             },
           },
         },