Add logic for retriving request information

src/Ombi.Core/Engine/TvRequestEngine.cs

@@ -616,12 +616,35 @@ namespace Ombi.Core.Engine
 
         public async Task<RequestQuotaCountModel> GetRemainingRequests()
         {
+            OmbiUser user = await GetUser();
+            int limit = user.EpisodeRequestLimit ?? 0;
+
+            if (limit <= 0)
+            {
+                return new RequestQuotaCountModel()
+                {
+                    HasLimit = false,
+                    Limit = 0,
+                    Remaining = 0,
+                    NextRequest = DateTime.Now,
+                };
+            }
+
+            IQueryable<RequestLog> log = _requestLog.GetAll().Where(x => x.UserId == user.Id && x.RequestType == RequestType.TvShow);
+
+            int count = limit - await log.CountAsync(x => x.RequestDate >= DateTime.UtcNow.AddDays(-7));
+
+            DateTime oldestRequestedAt = await log.Where(x => x.RequestDate >= DateTime.UtcNow.AddDays(-7))
+                                            .OrderBy(x => x.RequestDate)
+                                            .Select(x => x.RequestDate)
+                                            .FirstOrDefaultAsync();
+                        
             return new RequestQuotaCountModel()
             {
                 HasLimit = true,    
-                Limit = 5,
+                Limit = limit,
-                Remaining = 4,
+                Remaining = count,
-                NextRequest = DateTime.Parse("2018-08-30T00:00:00+01"),
+                NextRequest = oldestRequestedAt.AddDays(7),
             };
         }
     }