Добавлена логика изменения сообщения

ConfectionaryBusinessLogic/MessageInfoLogic.cs

@@ -33,7 +33,17 @@ namespace ConfectioneryBusinessLogic
 			return true;
 		}
 
-		public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
+        public bool Update(MessageInfoBindingModel model)
+        {
+            if (_messageInfoStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model)
 		{
 			_logger.LogInformation("ReadList. MessageId:{MessageId}.ClientId:{ClientId} ", model?.MessageId, model?.ClientId);
 			var list = (model == null) ? _messageInfoStorage.GetFullList() : _messageInfoStorage.GetFilteredList(model);

ConfectionaryFileImplement/MessageInfoStorage.cs

@@ -55,5 +55,16 @@ namespace ConfectioneryFileImplement
 			_source.SaveMessages();
 			return newMessage.GetViewModel;
 		}
-	}
+
+        public MessageInfoViewModel? Update(MessageInfoBindingModel model)
+        {
+            var res = _source.Messages.FirstOrDefault(x => x.MessageId.Equals(model.MessageId));
+            if (res != null)
+            {
+                res.Update(model);
+                _source.SaveMessages();
+            }
+            return res?.GetViewModel;
+        }
+    }
 }

ConfectionaryListImplement/MessageInfoStorage.cs

@@ -72,5 +72,18 @@ namespace ConfectioneryListImplement
 			_source.Messages.Add(newMessage);
 			return newMessage.GetViewModel;
 		}
-	}
+
+        public MessageInfoViewModel? Update(MessageInfoBindingModel model)
+        {
+            foreach (var message in _source.Messages)
+            {
+                if (message.MessageId.Equals(model.MessageId))
+                {
+                    message.Update(model);
+                    return message.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
 }

ConfectioneryContracts/BusinessLogicsContracts/IMessageInfoLogic.cs

@@ -14,5 +14,7 @@ namespace ConfectioneryContracts.BusinessLogicsContracts
 		List<MessageInfoViewModel>? ReadList(MessageInfoSearchModel? model);
 
 		bool Create(MessageInfoBindingModel model);
+
+		bool Update(MessageInfoBindingModel model);
 	}
 }

ConfectioneryContracts/StoragesContract/IMessageInfoStorage.cs

@@ -18,5 +18,6 @@ namespace ConfectioneryContracts.StoragesContract
 		MessageInfoViewModel? GetElement(MessageInfoSearchModel model);
 
 		MessageInfoViewModel? Insert(MessageInfoBindingModel model);
+		MessageInfoViewModel? Update(MessageInfoBindingModel model);
 	}
 }

ConfectioneryDatabaseImplement/MessageInfoStorage.cs

@@ -52,5 +52,17 @@ namespace ConfectioneryDatabaseImplement
 			context.SaveChanges();
 			return newMessage.GetViewModel;
 		}
-	}
+
+        public MessageInfoViewModel? Update(MessageInfoBindingModel model)
+        {
+            using var context = new ConfectioneryDatabase();
+            var res = context.Messages.FirstOrDefault(x => x.MessageId.Equals(model.MessageId));
+            if (res != null)
+            {
+                res.Update(model);
+                context.SaveChanges();
+            }
+            return res?.GetViewModel;
+        }
+    }
 }