From 3fb85c16dd69f75b099814658470f4486edbe398 Mon Sep 17 00:00:00 2001
From: Sergey Kozyrev <s.kozyrev-s@yandex.ru>
Date: Wed, 15 Nov 2023 11:34:08 +0400
Subject: [PATCH] FileSave

---
 Lab/CarsGenericStorage.cs     | 75 +++++++++++++++--------------------
 Lab/ExtentionDrawingTanker.cs |  4 +-
 Lab/SetGeneric.cs             |  4 ++
 3 files changed, 39 insertions(+), 44 deletions(-)

diff --git a/Lab/CarsGenericStorage.cs b/Lab/CarsGenericStorage.cs
index ea2296b..a15aa7b 100644
--- a/Lab/CarsGenericStorage.cs
+++ b/Lab/CarsGenericStorage.cs
@@ -68,11 +68,13 @@ namespace Lab.Generics
             {
                 return false;
             }
-            using FileStream fs = new(filename, FileMode.Create);
-            byte[] info = new
-            UTF8Encoding(true).GetBytes($"CarStorage{Environment.NewLine}{data}");
-            fs.Write(info, 0, info.Length);
-            return true;
+            using (StreamWriter writer = new StreamWriter(filename))
+            {
+                writer.WriteLine("CarStorage");
+                writer.Write(data.ToString());
+                return true;
+            }
+            
         }
 
         public bool LoadData(string filename)
@@ -81,52 +83,41 @@ namespace Lab.Generics
             {
                 return false;
             }
-            string bufferTextFromFile = "";
-            using (FileStream fs = new(filename, FileMode.Open))
+            using (StreamReader reader = new StreamReader(filename))
             {
-                byte[] b = new byte[fs.Length];
-                UTF8Encoding temp = new(true);
-                while (fs.Read(b, 0, b.Length) > 0)
+                string checker = reader.ReadLine();
+                if (checker == null)
+                    return false;
+                string strs = reader.ReadLine();
+                if (!checker.StartsWith("CarStorage"))
+                    return false;
+                _carStorages.Clear();
+                foreach (string data in strs.Split(';'))
                 {
-                    bufferTextFromFile += temp.GetString(b);
-                }
-            }
-            var strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
-            if (strs == null || strs.Length == 0)
-            {
-                return false;
-            }
-            if (!strs[0].StartsWith("CarStorage"))
-            {
-                return false;
-            }
-            _carStorages.Clear();
-            foreach (string data in strs)
-            {
-                string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
-                if (record.Length != 2)
-                {
-                    continue;
-                }
-                CarsGenericCollection<DrawTanker, DrawingObjectTanker> collection = new(_pictureWidth, _pictureHeight);
-                string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
-                foreach (string elem in set)
-                {
-                    DrawTanker? car =
-                    elem?.CreateDrawTanker(_separatorForObject, _pictureWidth, _pictureHeight);
-                    if (car != null)
+                    string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+                    if (record.Length != 2)
                     {
-                        if (!(collection + car))
+                        continue;
+                    }
+                    CarsGenericCollection<DrawTanker, DrawingObjectTanker> collection = new(_pictureWidth, _pictureHeight);
+                    string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
+                    foreach (string elem in set)
+                    {
+                        DrawTanker? car =
+                        elem?.CreateDrawTanker(_separatorForObject, _pictureWidth, _pictureHeight);
+                        if (car != null)
                         {
-                            return false;
+                            if (!(collection + car))
+                            {
+                                return false;
+                            }
                         }
                     }
+                    _carStorages.Add(record[0], collection);
                 }
-                _carStorages.Add(record[0], collection);
+                return true;
             }
-            return true;
         }
 
-
     }
 }
diff --git a/Lab/ExtentionDrawingTanker.cs b/Lab/ExtentionDrawingTanker.cs
index 05a42b5..a94774d 100644
--- a/Lab/ExtentionDrawingTanker.cs
+++ b/Lab/ExtentionDrawingTanker.cs
@@ -38,12 +38,12 @@ namespace Lab
             {
                 return string.Empty;
             }
-            var str = $"{Tanker.Speed}{separatorForObject}{Tanker.Weight}{separatorForObject}{Tanker.BodyColor.Name}";
+            var str = $"{Tanker.Speed}{separatorForObject}{Tanker.Weight}{separatorForObject}{Tanker.BodyColor}";
             if (Tanker is not GasolineTanker gasTanker)
             {
                 return str;
             }
-            return $"{str}{separatorForObject}{gasTanker.AdditionalColor.Name}{separatorForObject}{gasTanker.BodyKit}{separatorForObject}{gasTanker.Wing}{separatorForObject}{gasTanker.SportLine}";
+            return $"{str}{separatorForObject}{gasTanker.AdditionalColor}{separatorForObject}{gasTanker.BodyKit}{separatorForObject}{gasTanker.Wing}{separatorForObject}{gasTanker.SportLine}";
         }
 
     }
diff --git a/Lab/SetGeneric.cs b/Lab/SetGeneric.cs
index 7e73e02..48cd770 100644
--- a/Lab/SetGeneric.cs
+++ b/Lab/SetGeneric.cs
@@ -49,12 +49,16 @@ namespace Lab.Generics
             {
                 if (position < 0 || position > _maxCount)
                     return null;
+                if (_places.Count <= position)
+                    return null;
                 return _places[position];
             }
             set
             {
                 if (position < 0 || position > _maxCount)
                     return;
+                if (_places.Count <= position)
+                    return;
                 _places[position] = value;
             }
         }