feat(dal): создана таблица ScheduleResponseAreaTimeOffsets. В таблицу JobGroup добавлено поле IsWorkGroupTimezone

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

@@ -0,0 +1,29 @@
+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;
+        }
+    }
+}