добавила в реализациях хранилищей для приема и услуги доп методы для поиска имени и для поиска мастеров по выбранной услуге

BeautySalon/BeautySalonDBModels/Implements/ReceptionDatabase.cs

@@ -1,10 +1,5 @@
 using BeautySalonDBModels.Models;
 using Npgsql;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace BeautySalonDBModels.Implements
 {
@@ -15,7 +10,7 @@ namespace BeautySalonDBModels.Implements
             using var conn = GetConnection();
             conn.Open();
             using var cmd = new NpgsqlCommand("INSERT INTO receptions (reception_id, master_id, service_id, date_reception) " +
-                "VALUES ((nextval('seq_reception'), @MasterId, @ServiceId, @DateReception)", conn);
+                "VALUES ((nextval('seq_reception')), @MasterId, @ServiceId, @DateReception)", conn);
             cmd.Parameters.AddWithValue("@MasterId", reception.MasterId);
             cmd.Parameters.AddWithValue("@ServiceId", reception.ServiceId);
             cmd.Parameters.AddWithValue("@DateReception", reception.DateReception);
@@ -77,7 +72,7 @@ namespace BeautySalonDBModels.Implements
         {
             using var conn = GetConnection();
             conn.Open();
-            using var cmd = new NpgsqlCommand("update reception set master_id = @MasterId, " +
+            using var cmd = new NpgsqlCommand("update receptions set master_id = @MasterId, " +
                 "service_id = @ServiceId, date_reception = @DateReception where reception_id = @ReceptionId", conn);
             cmd.Parameters.AddWithValue("@MasterId", reception.MasterId);
             cmd.Parameters.AddWithValue("@ServiceId", reception.ServiceId);
@@ -86,5 +81,33 @@ namespace BeautySalonDBModels.Implements
            
             cmd.ExecuteNonQuery();
         }
+
+        public string GetMasterFio(Reception reception)
+        {
+            MasterDatabase db = new MasterDatabase();
+            int masterId = reception.MasterId;
+
+            List<Master> masters = db.GetObjects();
+
+            foreach (Master master in masters)
+            {
+                if (master.MasterId == masterId) return master.FIO.ToString();
+            }
+            return string.Empty;
+        }
+
+        public string GetServiceName(Reception reception)
+        {
+            ServiceDatabase db = new ServiceDatabase();
+            int serviceId = reception.ServiceId;
+
+            List<Service> services = db.GetObjects();
+
+            foreach (Service service in services)
+            {
+                if (service.ServiceId == serviceId) return service.ServiceName.ToString();
+            }
+            return string.Empty;
+        }
     }
 }

BeautySalon/BeautySalonDBModels/Implements/ServiceDatabase.cs

@@ -98,5 +98,30 @@ namespace BeautySalonDBModels.Implements
             }
             return string.Empty;
         }
+
+        public List<Master> GetFilteredListByService(int serviceId)
+        {
+            var list = new List<Master>();
+            var service = GetObject(serviceId);
+            if(service != null)
+            {
+                int specId = service.SpecialisationId;
+                using var conn = GetConnection();
+                conn.Open();
+                using var cmd = new NpgsqlCommand("select * from masters where specialisation_id = @specId", conn);
+                cmd.Parameters.AddWithValue("@specId", specId);
+                using var reader = cmd.ExecuteReader();
+                while (reader.Read())
+                {
+                    list.Add(new Master
+                    {
+                        MasterId = reader.GetInt32(0),
+                        SpecialisationId = reader.GetInt32(1),
+                        FIO = reader.GetString(2)
+                    });
+                }
+            }
+            return list;
+        }
     }
 }