trip-planner/backend/app/Infrastructure/Http/Controllers/API/CalendarSlot/CalendarSlotController.php

<?php

namespace App\Infrastructure\Http\Controllers\API\CalendarSlot;

use App\Infrastructure\Http\Controllers\Controller;
use App\Models\CalendarSlot;
use App\Models\Trip;
use App\Models\PlannedItem;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;

class CalendarSlotController extends Controller
{
    public function index(Trip $trip): JsonResponse
    {
        // Check if user owns the trip
        if ($trip->created_by_user_id !== auth()->id()) {
            return response()->json(['message' => 'Forbidden'], 403);
        }

        $calendarSlots = $trip->calendarSlots()
            ->with(['plannableItems'])
            ->orderBy('slot_order')
            ->get();

        return response()->json(['data' => $calendarSlots]);
    }

    public function update(Request $request, CalendarSlot $calendarSlot): JsonResponse
    {
        // Check if user owns the trip
        if ($calendarSlot->trip->created_by_user_id !== auth()->id()) {
            return response()->json(['message' => 'Forbidden'], 403);
        }

        $validated = $request->validate([
            'name' => 'sometimes|required|string|max:255',
        ]);

        $calendarSlot->update($validated);

        return response()->json(['data' => $calendarSlot]);
    }

    public function reorder(Request $request, CalendarSlot $calendarSlot): JsonResponse
    {
        $validated = $request->validate([
            'items' => 'required|array',
            'items.*.plannable_item_id' => 'required|exists:plannable_items,id',
            'items.*.sort_order' => 'required|integer',
        ]);

        foreach ($validated['items'] as $item) {
            PlannedItem::where('calendar_slot_id', $calendarSlot->id)
                ->where('plannable_item_id', $item['plannable_item_id'])
                ->update(['sort_order' => $item['sort_order']]);
        }

        return response()->json(['message' => 'Items reordered successfully']);
    }
}