nit

AsbCloudInfrastructure/Services/Subsystems/SubsystemOperationTimeService.cs

@@ -189,19 +189,19 @@ namespace AsbCloudInfrastructure.Services.Subsystems
         public async Task<DatesRangeDto?> GetDateRangeOperationTimeAsync(SubsystemOperationTimeRequest request, CancellationToken token)
         {
             var query = BuildQuery(request);
-            if (query is not null)
+            if (query is null)
             {
-                var result = await query
-                    .GroupBy(o => o.IdTelemetry)
-                    .Select(g => new DatesRangeDto
-                     {
-                         From = g.Min(o => o.DateStart).DateTime,
-                         To = g.Max(o => o.DateEnd).DateTime
-                     })
-                    .FirstOrDefaultAsync(token);
-                return result;
+                return null;
             }
-            return null;
+            var result = await query
+                .GroupBy(o => o.IdTelemetry)
+                .Select(g => new DatesRangeDto
+                {
+                    From = g.Min(o => o.DateStart).DateTime,
+                    To = g.Max(o => o.DateEnd).DateTime
+                })
+                .FirstOrDefaultAsync(token);
+            return result;
         }
 
         private IQueryable<SubsystemOperationTime>? BuildQuery(SubsystemOperationTimeRequest request)

AsbCloudWebApi/Controllers/Subsystems/SubsystemOperationTimeController.cs

@@ -63,7 +63,7 @@ namespace AsbCloudWebApi.Controllers.Subsystems
         /// <summary>
         /// получить доступный диапазон дат наработки подсистемы. 
         /// </summary>
-        [HttpGet("rangeDate")]
+        [HttpGet("datesRange")]
         [ProducesResponseType(typeof(DatesRangeDto), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> GetDateRangeOperationTimeAsync([FromQuery] SubsystemOperationTimeRequest request, CancellationToken token = default)
         {