parr_api/PARR.DAL/Services/Implementations/Schedule/ScheduleResponseAreaTimeOffsetService.cs

using Microsoft.EntityFrameworkCore;
using PARR.DAL.Context;
using PARR.DAL.Models.Schedule;
using PARR.DAL.Services.Interfaces.Schedule;

namespace PARR.DAL.Services.Implementations.Schedule
{
    internal class ScheduleResponseAreaTimeOffsetService : IScheduleResponseAreaTimeOffsetService
    {
        private readonly DataContext dataContext;

        public ScheduleResponseAreaTimeOffsetService(DataContext dataContext)
        {
            this.dataContext = dataContext;
        }

        public IQueryable<ScheduleResponseAreaTimeOffset> Get()
        {
            return dataContext.ScheduleResponseAreaTimeOffsets;
        }

        public async Task<string?> GetTimeOffsetByResponseAreaAsync(string responseArea)
        {
            var result = await dataContext.ScheduleResponseAreaTimeOffsets.FirstOrDefaultAsync(t => t.ResponseArea == responseArea);

            return result != null ? result.TimeOffset : null;
        }
    }
}