Добавление расширения для класса-сущности

ProjectAircraftCarrier_/ProjectAircraftCarrier_/Drawnings/ExtentionDrawningWarship.cs

@@ -0,0 +1,58 @@
+using ProjectAircraftCarrier_.Drawnings;
+using ProjectAircraftCarrier_.Entities;
+
+namespace ProjectAircraftwarshiprier_.Drawnings;
+
+/// <summary>
+/// Расширение для класса EntityWarship
+/// </summary>
+public static class ExtentionDrawningWarship
+{
+    /// <summary>
+    /// Разделитель для записи информации по объекту в файл
+    /// </summary>
+    private static readonly string _separatorForObject = ":";
+
+    /// <summary>
+    /// Создание объекта из строки
+    /// </summary>
+    /// <param name="info">Строка с данными для создания объекта</param>
+    /// <returns>Объект</returns>
+    public static DrawningWarship? CreateDrawningWarship(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+        EntityWarship? warship = EntityAircraftCarrier.CreateEntityAircraftCarrier(strs);
+        if (warship != null)
+        {
+            return new DrawningAircraftCarrier(warship.Speed, warship.Weight, warship.BodyColor, 
+                (warship as EntityAircraftCarrier).AdditionalColor, (warship as EntityAircraftCarrier).DeckForAircraftTakeOff, 
+                (warship as EntityAircraftCarrier).ControlCabin, (warship as EntityAircraftCarrier).FighterJet);
+        }
+
+        warship = EntityWarship.CreateEntityWarship(strs);
+        if (warship != null)
+        {
+            return new DrawningWarship(warship.Speed, warship.Weight, warship.BodyColor);
+        }
+
+        return null;
+    }
+
+    /// <summary>
+    /// Получение данных для сохранения в файл
+    /// </summary>
+    /// <param name="drawningWarship">Сохраняемый объект</param>
+    /// <returns>Строка с данными по объекту</returns>
+    public static string GetDataForSave(this DrawningWarship drawningWarship)
+    {
+        string[]? array = drawningWarship?.EntityWarship?.GetStringRepresentation();
+
+        if (array == null)
+        {
+            return string.Empty;
+        }
+
+        return string.Join(_separatorForObject, array);
+    }
+
+}

ProjectAircraftCarrier_/ProjectAircraftCarrier_/Entities/EntityAircraftCarrier.cs

@@ -51,4 +51,35 @@ public class EntityAircraftCarrier : EntityWarship
     {
         AdditionalColor = newColor;
     }
+
+    public override string[] GetStringRepresentation()
+    {
+        return new[] 
+        { 
+            nameof(EntityAircraftCarrier), 
+            Speed.ToString(), 
+            Weight.ToString(), 
+            BodyColor.Name, 
+            AdditionalColor.Name,
+            DeckForAircraftTakeOff.ToString(),
+            ControlCabin.ToString(),
+            FighterJet.ToString()
+        };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityAircraftCarrier? CreateEntityAircraftCarrier(string[] strs)
+    {
+        if (strs.Length != 8 || strs[0] != nameof(EntityAircraftCarrier))
+        {
+            return null;
+        }
+
+        return new EntityAircraftCarrier(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]), 
+            Color.FromName(strs[4]), Convert.ToBoolean(strs[5]), Convert.ToBoolean(strs[6]), Convert.ToBoolean(strs[7]));
+    }
 }

ProjectAircraftCarrier_/ProjectAircraftCarrier_/Entities/EntityWarship.cs

@@ -46,4 +46,28 @@ public class EntityWarship
     {
         BodyColor = newColor;
     }
+
+    /// <summary>
+    /// Получение строк со значениями свойств объекта класса-сущности
+    /// </summary>
+    /// <returns></returns>
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityWarship), Speed.ToString(), Weight.ToString(), BodyColor.Name };
+    }
+
+    /// <summary>
+    /// Создание объекта из массива строк
+    /// </summary>
+    /// <param name="strs"></param>
+    /// <returns></returns>
+    public static EntityWarship? CreateEntityWarship(string[] strs)
+    {
+        if (strs.Length != 4 || strs[0] != nameof(EntityWarship))
+        {
+            return null;
+        }
+
+        return new EntityWarship(Convert.ToInt32(strs[1]), Convert.ToDouble(strs[2]), Color.FromName(strs[3]));
+    }
 }