добавила дату в реализацию хранилища у процедуры, без реализации в хранилище добавила дату в диагнозы

Polyclinic/PolyclinicContracts/BindingModels/DiagnoseBindingModel.cs

@@ -8,5 +8,7 @@ namespace PolyclinicContracts.BindingModels
         public string Comment { get; set; } = string.Empty;
         public int UserId { get; set; }
         public int Id { get; set; }
+        public DateTime DateStartDiagnose { get; }
+        public  DateTime? DateStopDiagnose { get; }
     }
 }

Polyclinic/PolyclinicContracts/BindingModels/ProcedureBindingModel.cs

@@ -8,8 +8,8 @@ namespace PolyclinicContracts.BindingModels
         public int UserId { get; set; }
         public string Name { get; set; } = string.Empty;
         public string Comment { get; set; } = string.Empty;
-        public DateTime From { get; set; } = DateTime.Now;
+        public DateTime DateStartProcedure { get; set; } = DateTime.Now;
-        public DateTime? To { get; set; } 
+        public DateTime? DateStopProcedure { get; set; } 
 
     }
 }

Polyclinic/PolyclinicContracts/SearchModels/DiagnoseSearchModel.cs

@@ -5,5 +5,7 @@
         public int? Id { get; set; }
         public string? Name { get; set; }
         public int? UserId { get; set; }
+        public DateTime? From { get; }
+        public DateTime? To { get; }
     }
 }

Polyclinic/PolyclinicContracts/SearchModels/ProcedureSearchModel.cs

@@ -3,6 +3,7 @@
     public class ProcedureSearchModel
     {
         public int? Id { get; set; }
+        public int? UserId { get; set; }
         public string? Name { get; set; }
         public DateTime? From { get; set; }
         public DateTime? To { get; set; }

Polyclinic/PolyclinicContracts/ViewModels/DiagnoseViewModel.cs

@@ -7,8 +7,15 @@ namespace PolyclinicContracts.ViewModels
     {
         [DisplayName("Название")]
         public string Name { get; set; } = string.Empty;
+
         [DisplayName("Комментарий")]
         public string Comment { get; set; } = string.Empty;
+
+        [DisplayName("Дата 'от'")]
+        public DateTime DateStartDiagnose { get; set; } = DateTime.Now;
+
+        [DisplayName("Дата 'до'")]
+        public DateTime? DateStopDiagnose { get; set; } = DateTime.Now;
         public int UserId { get; set; }
         public int Id { get; set; }
     }

Polyclinic/PolyclinicContracts/ViewModels/ProcedureViewModel.cs

@@ -15,9 +15,9 @@ namespace PolyclinicContracts.ViewModels
         public string Comment { get; set; } = string.Empty;
 
         [DisplayName("Дата 'от'")]
-        public DateTime From { get; set; } = DateTime.Now;
+        public DateTime DateStartProcedure { get; set; } = DateTime.Now;
 
         [DisplayName("Дата 'до'")]
-        public DateTime? To { get; set; } = DateTime.Now;
+        public DateTime? DateStopProcedure { get; set; } = DateTime.Now;
     }
 }

Polyclinic/PolyclinicDataModels/Models/IDiagnoseModel.cs

@@ -5,5 +5,7 @@
         string Name { get; }
         string Comment { get; }
         int UserId { get; }
+        DateTime DateStartDiagnose { get; }
+        DateTime? DateStopDiagnose { get; }
     }
 }

Polyclinic/PolyclinicDataModels/Models/IProcedureModel.cs

@@ -5,7 +5,7 @@
         string Name { get; }
         string Comment { get; }
         int UserId { get; }
-        DateTime From { get; }
+        DateTime DateStartProcedure { get; }
-        DateTime? To { get; }   
+        DateTime? DateStopProcedure { get; }   
     }
 }

Polyclinic/PolyclinicDatabaseImplement/Implements/ProcedureStorage.cs

@@ -14,20 +14,25 @@ namespace PolyclinicDatabaseImplement.Implements
         {
             using var database = new PolyclinicDatabase();
             return database.Procedures
-                .ToList()
+                .Include(p => p.User)
                 .Select(x => x.GetViewModel)
                 .ToList();
         }
 
         public List<ProcedureViewModel> GetFilteredList(ProcedureSearchModel model)
         {
+            if (!model.Id.HasValue && !model.From.HasValue && !model.To.HasValue && !model.UserId.HasValue)
+            {
+                return new();
+            }
             if (string.IsNullOrEmpty(model.Name))
             {
                 return new();
             }
             using var database = new PolyclinicDatabase();
             return database.Procedures
-                .Where(x => x.Name == model.Name)
+                .Where(x => x.Id == model.Id || x.Name == model.Name || x.DateStartProcedure <= model.To)
+                .Include(p => p.User)
                 .Select(x => x.GetViewModel)
                 .ToList();
         }
@@ -41,6 +46,7 @@ namespace PolyclinicDatabaseImplement.Implements
             }
             using var database = new PolyclinicDatabase();
             return database.Procedures
+                .Include(p => p.User)
              .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
              (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
         }

Polyclinic/PolyclinicDatabaseImplement/Models/Diagnose.cs

@@ -13,6 +13,10 @@ namespace PolyclinicDatabaseImplement.Models
         public string Comment { get; set; } = string.Empty;
         [Required]
         public int UserId { get; set; }
+
+        [Required]
+        public DateTime DateStartDiagnose { get; set; } = DateTime.Now;
+        public DateTime? DateStopDiagnose { get; set; }
         public int Id { get; set; }
         public virtual User User { get; set; } = new();
         
@@ -27,7 +31,9 @@ namespace PolyclinicDatabaseImplement.Models
                 Name = model.Name,
                 Comment = model.Comment,
                 UserId = model.UserId,
-                Id = model.Id
+                Id = model.Id,
+                DateStartDiagnose = model.DateStartDiagnose,
+                DateStopDiagnose = model.DateStopDiagnose,
             };
         }
 
@@ -46,7 +52,9 @@ namespace PolyclinicDatabaseImplement.Models
             Name = Name,
             Comment = Comment,
             UserId = UserId,
-            Id = Id
+            Id = Id,
+            DateStartDiagnose = DateStartDiagnose,
+            DateStopDiagnose = DateStopDiagnose,
         };
     }
 }

Polyclinic/PolyclinicDatabaseImplement/Models/Procedure.cs

@@ -17,8 +17,9 @@ namespace PolyclinicDatabaseImplement.Models
         public string Name { get; set; } = string.Empty;
 
         [Required]
-        public DateTime From { get; set; } = DateTime.Now;
+        public DateTime DateStartProcedure { get; set; } = DateTime.Now;
-        public DateTime? To { get; set; } 
+        public DateTime? DateStopProcedure { get; set; }
+        public virtual User User { get; set; } = new();
 
         [Required]
         public string Comment { get; set; } = string.Empty;
@@ -31,8 +32,8 @@ namespace PolyclinicDatabaseImplement.Models
                 UserId = bindingModel.UserId,
                 Name = bindingModel.Name,
                 Comment = bindingModel.Comment,
-                From = bindingModel.From,
+                DateStartProcedure = bindingModel.DateStartProcedure,
-                To = bindingModel.To,
+                DateStopProcedure = bindingModel.DateStopProcedure,
             };
         }
 
@@ -48,8 +49,8 @@ namespace PolyclinicDatabaseImplement.Models
             Name = Name,
             UserId = UserId,
             Comment = Comment,
-            From = From,
+            DateStartProcedure = DateStartProcedure,
-            To = To,
+            DateStopProcedure = DateStopProcedure,
         };        
     }
 }