add message queue table for notification system

BMA.EHR.Application/Repositories/MessageQueue/MessageQueueRepository.cs

@@ -0,0 +1,49 @@
+using BMA.EHR.Application.Common.Interfaces;
+using BMA.EHR.Domain.Models.MetaData;
+using BMA.EHR.Domain.Models.Notifications;
+using BMA.EHR.Domain.Models.Placement;
+using Microsoft.AspNetCore.Http;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BMA.EHR.Application.Repositories.MessageQueue
+{
+    public class MessageQueueRepository : GenericRepository<Guid, MessageQueueEntity>
+    {
+        #region " Fields "
+
+        private readonly IApplicationDBContext _dbContext;
+        private readonly IHttpContextAccessor _httpContextAccessor;
+
+        #endregion
+
+        #region " Constructor and Destuctor "
+
+        public MessageQueueRepository(IApplicationDBContext dbContext, IHttpContextAccessor httpContextAccessor) : base(dbContext, httpContextAccessor)
+        {
+            _dbContext = dbContext;
+            _httpContextAccessor = httpContextAccessor;
+        }
+
+        #endregion
+
+        #region " Methods "
+
+        public async Task<List<MessageQueueEntity>> GetUnSentAsync(int count = 10)
+        {
+            var data = await _dbContext.Set<MessageQueueEntity>().Where(x => !x.IsSend)
+                                .AsNoTracking()
+                                .OrderBy(m => m.CreatedAt)
+                                .Take(count)
+                                .ToListAsync();
+
+            return data;
+        }
+
+        #endregion
+    }
+}