feat(dal): WeekendDayService - метод проверки на рабочий день

PARR.DAL/Services/Implementations/WeekendDayService.cs

@@ -1,9 +1,11 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
+using PARR.DAL.CacheServices;
 using PARR.DAL.Context;
 using PARR.DAL.Models;
 using PARR.DAL.Services.Abstracts;
 using PARR.DAL.Services.Interfaces;
+using PARR.DAL.Settings;
 
 namespace PARR.DAL.Services.Implementations
 {
@@ -11,15 +13,24 @@ namespace PARR.DAL.Services.Implementations
     {
         private readonly DataContext dataContext;
         private readonly ILogger<WeekendDayService> logger;
+        private readonly IRedisCacheService redisCacheService;
+        private readonly WeekendCacheSettings weekendCacheSettings;
 
         protected override DbSet<WeekendDay> EntitySet => dataContext.WeekendDays;
 
         protected override DataContext EntitiContext => dataContext;
 
-        public WeekendDayService(DataContext dataContext, ILogger<WeekendDayService> logger) : base(logger)
+        public WeekendDayService(
+            DataContext dataContext,
+            ILogger<WeekendDayService> logger,
+            IRedisCacheService redisCacheService,
+            WeekendCacheSettings weekendCacheSettings
+            ) : base(logger)
         {
             this.dataContext = dataContext;
             this.logger = logger;
+            this.redisCacheService = redisCacheService;
+            this.weekendCacheSettings = weekendCacheSettings;
         }
 
 
@@ -28,5 +39,45 @@ namespace PARR.DAL.Services.Implementations
             return EntitySet.Where(t => t.Date >= start && t.Date <= end).Select(t => t.Date);
         }
 
+
+
+        public async Task<bool> IsWorkDayAsync(DateOnly date, bool useCache = false)
+        {
+            if (useCache)
+            {
+                // смотрим, есть ли в кэше рабочий день
+                var workdayInCache = await redisCacheService.GetCachedDataAsync<DateOnly?>(GetWorkDayKey(date));
+                if (workdayInCache != null)
+                    return true;
+
+                // смотрим, есть ли в кэше выходной день
+                var weekendInCache = await redisCacheService.GetCachedDataAsync<DateOnly?>(GetWeekendKey(date));
+                if (weekendInCache != null)
+                    return false;
+            }
+
+            var weekendInDb = await EntitySet.FirstOrDefaultAsync(t => t.Date == date);
+
+            var isWorkday = weekendInDb == null;
+
+            //сохраняем всегда в КЭШ значение выходного и рабочего дня
+            var cacheKey = isWorkday ? GetWorkDayKey(date) : GetWeekendKey(date);
+            //TODO:!!! Тут настройки вынести в DB settings
+            await redisCacheService.SetCachedDataAsync(cacheKey, date, weekendCacheSettings.WeekendTtl);
+
+            return isWorkday;
+        }
+
+
+        private string GetWeekendKey(DateOnly day)
+        {
+            return $"weekend_{day.ToString("yyyy-MM-dd")}";
+        }
+
+        private string GetWorkDayKey(DateOnly day)
+        {
+            return $"workday_{day.ToString("yyyy-MM-dd")}";
+        }
+
     }
 }