fix

FoodOrders/FoodOrdersFileImplement/DataFileSingleton.cs

@@ -10,11 +10,13 @@ namespace FoodOrdersFileImplement
         private readonly string DishFileName = "Dish.xml";
         private readonly string ClientFileName = "Clients.xml";
         private readonly string ImplementerFileName = "Implementer.xml";
+        private readonly string MessageInfoFileName = "MessageInfo.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Dish> Dishes { get; private set; }
         public List<Client> Clients { get; private set; }
         public List<Implementer> Implementers { get; private set; }
+        public List<MessageInfo> Messages { get; private set; }
 
         public static DataFileSingleton GetInstance()
         {
@@ -29,6 +31,7 @@ namespace FoodOrdersFileImplement
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
         public void SaveClients() => SaveData(Clients, ClientFileName, "Clients", x => x.GetXElement);
         public void SaveImplementer() => SaveData(Implementers, ImplementerFileName, "Implementer", x => x.GetXElement);
+        public void SaveMessages() => SaveData(Orders, ImplementerFileName, "Messages", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
@@ -36,6 +39,7 @@ namespace FoodOrdersFileImplement
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
             Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
             Implementers = LoadData(ImplementerFileName, "Implementer", x => Implementer.Create(x)!)!;
+            Messages = LoadData(MessageInfoFileName, "MessageInfo", x => MessageInfo.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {

FoodOrders/FoodOrdersFileImplement/Implements/MessageInfoStorage.cs

@@ -2,29 +2,52 @@
 using FoodOrdersContracts.SearchModels;
 using FoodOrdersContracts.StoragesContracts;
 using FoodOrdersContracts.ViewModels;
+using FoodOrdersFileImplement.Models;
 
 namespace FoodOrdersFileImplement.Implements
 {
     public class MessageInfoStorage : IMessageInfoStorage
     {
+        private readonly DataFileSingleton _source;
+        public MessageInfoStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+
         public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
         {
-            throw new NotImplementedException();
+            if (model.MessageId != null)
+            {
+                return _source.Messages.FirstOrDefault(x => x.MessageId == model.MessageId)?.GetViewModel;
+            }
+            return null;
         }
 
         public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
         {
-            throw new NotImplementedException();
+            return _source.Messages
+                .Where(x => x.ClientId == model.ClientId)
+                .Select(x => x.GetViewModel)
+                .ToList();
         }
 
         public List<MessageInfoViewModel> GetFullList()
         {
-            throw new NotImplementedException();
+            return _source.Messages
+                .Select(x => x.GetViewModel)
+                .ToList();
         }
 
         public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
         {
-            throw new NotImplementedException();
+            var newMessage = MessageInfo.Create(model);
+            if (newMessage == null)
+            {
+                return null;
+            }
+            _source.Messages.Add(newMessage);
+            _source.SaveMessages();
+            return newMessage.GetViewModel;
         }
     }
 }

FoodOrders/FoodOrdersListImplement/DataListSingleton.cs

@@ -1,4 +1,5 @@
 using FoodOrdersListImplement.Models;
+using static System.Formats.Asn1.AsnWriter;
 
 namespace FoodOrdersListImplement
 {
@@ -10,6 +11,7 @@ namespace FoodOrdersListImplement
         public List<Dish> Dishes { get; set; }
         public List<Client> Clients { get; set; }
         public List<Implementer> Implementers { get; set; }
+        public List<MessageInfo> Messages { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
@@ -17,6 +19,7 @@ namespace FoodOrdersListImplement
             Dishes = new List<Dish>();
             Clients = new List<Client>();
             Implementers = new List<Implementer>();
+            Messages = new List<MessageInfo>();
         }
         public static DataListSingleton GetInstance()
         {

FoodOrders/FoodOrdersListImplement/Implements/MessageInfoStorage.cs

@@ -2,29 +2,60 @@
 using FoodOrdersContracts.SearchModels;
 using FoodOrdersContracts.StoragesContracts;
 using FoodOrdersContracts.ViewModels;
+using FoodOrdersListImplement.Models;
 
 namespace FoodOrdersListImplement.Implements
 {
     public class MessageInfoStorage : IMessageInfoStorage
     {
+        private readonly DataListSingleton _source;
+        public MessageInfoStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
         public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
         {
-            throw new NotImplementedException();
+            foreach (var message in _source.Messages)
+            {
+                if (model.MessageId != null && model.MessageId.Equals(message.MessageId))
+                    return message.GetViewModel;
+            }
+            return null;
         }
 
         public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
         {
-            throw new NotImplementedException();
+            List<MessageInfoViewModel> result = new();
+            foreach (var item in _source.Messages)
+            {
+                if (item.ClientId.HasValue && item.ClientId == model.ClientId)
+                {
+                    result.Add(item.GetViewModel);
+                }
+            }
+            return result;
         }
 
         public List<MessageInfoViewModel> GetFullList()
         {
-            throw new NotImplementedException();
+            List<MessageInfoViewModel> result = new();
+            foreach (var item in _source.Messages)
+            {
+                result.Add(item.GetViewModel);
+            }
+            return result;
         }
 
         public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
         {
-            throw new NotImplementedException();
+            var newMessage = MessageInfo.Create(model);
+            if (newMessage == null)
+            {
+                return null;
+            }
+            _source.Messages.Add(newMessage);
+            return newMessage.GetViewModel;
         }
     }
 }