From 849deb0066a40732e8264dc4fec5d37ad63882f7 Mon Sep 17 00:00:00 2001
From: GokaPek <Hgogogo@yandex.ru>
Date: Sat, 18 Nov 2023 13:49:06 +0400
Subject: [PATCH] =?UTF-8?q?=D0=92=D1=82=D0=BE=D1=80=D0=BE=D0=B9=20=D1=8D?=
 =?UTF-8?q?=D1=82=D0=B0=D0=BF?=
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---
 .../SPAUGenericCollection.cs                  |   4 +
 .../SPAUGenericStorage.cs                     | 107 +++++++++++++++++-
 2 files changed, 110 insertions(+), 1 deletion(-)

diff --git a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
index 0a4a07f..749640c 100644
--- a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
+++ b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
@@ -51,6 +51,10 @@ namespace SelfPropelledArtilleryUnit.Generics
             _collection = new SetGeneric<T>(width * height);
         }
         /// <summary>
+        /// Получение объектов коллекции
+        /// </summary>
+        public IEnumerable<T?> GetCars => _collection.GetSPAUs();
+        /// <summary>
         /// Перегрузка оператора сложения
         /// </summary>
         /// <param name="collect"></param>
diff --git a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericStorage.cs b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericStorage.cs
index fb2db48..24fc8d0 100644
--- a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericStorage.cs
+++ b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericStorage.cs
@@ -79,6 +79,111 @@ namespace SelfPropelledArtilleryUnit.Generics
                 }
             }
         }
-    }
 
+        /// <summary>
+        /// Разделитель для записи ключа и значения элемента словаря
+        /// </summary>
+        private static readonly char _separatorForKeyValue = '|';
+        /// <summary>
+        /// Разделитель для записей коллекции данных в файл
+        /// </summary>
+        private readonly char _separatorRecords = ';';
+        /// <summary>
+        /// Разделитель для записи информации по объекту в файл
+        /// </summary>
+        private static readonly char _separatorForObject = ':';
+
+        /// <summary>
+        /// Сохранение информации по автомобилям в хранилище в файл
+        /// </summary>
+        /// <param name="filename">Путь и имя файла</param>
+        /// <returns>true - сохранение прошло успешно, false - ошибка при сохранении данных</returns>
+        public bool SaveData(string filename){
+            if (File.Exists(filename))
+            {
+                File.Delete(filename);
+            }
+            StringBuilder data = new();
+            foreach (KeyValuePair<string, SPAUGenericCollection<DrawningSPAU, DrawningObjectSPAU>> record in _SPAUStorages)
+            {
+                StringBuilder records = new();
+                foreach (DrawningSPAU? elem in record.Value.GetCars)
+                {
+                    records.Append($"{elem?.GetDataForSave(_separatorForObject)}{_separatorRecords}");
+                }
+                data.AppendLine($"{record.Key}{_separatorForKeyValue}{records}");
+            }
+            if (data.Length == 0)
+            {
+                return false;
+            }
+            using FileStream fs = new(filename, FileMode.Create);
+            byte[] info = new
+            UTF8Encoding(true).GetBytes($"SpAUStorage{Environment.NewLine}{data}");
+            fs.Write(info, 0, info.Length);
+            return true;
+        }
+        /// <summary>
+        /// Загрузка информации по автомобилям в хранилище из файла
+        /// </summary>
+        /// <param name="filename">Путь и имя файла</param>
+        /// <returns>true - загрузка прошла успешно, false - ошибка при загрузке данных</returns>
+        public bool LoadData(string filename)
+        {
+            if (!File.Exists(filename))
+            {
+                return false;
+            }
+            string bufferTextFromFile = "";
+            using (FileStream fs = new(filename, FileMode.Open))
+            {
+                byte[] b = new byte[fs.Length];
+                UTF8Encoding temp = new(true);
+                while (fs.Read(b, 0, b.Length) > 0)
+                {
+                    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"))
+            {
+                //если нет такой записи, то это не те данные
+                return false;
+            }
+            _SPAUStorages.Clear();
+            foreach (string data in strs)
+            {
+                string[] record = data.Split(_separatorForKeyValue,
+                StringSplitOptions.RemoveEmptyEntries);
+                if (record.Length != 2)
+                {
+                    continue;
+                }
+                SPAUGenericCollection<DrawningSPAU, DrawningObjectSPAU>
+                collection = new(_pictureWidth, _pictureHeight);
+                string[] set = record[1].Split(_separatorRecords,
+                StringSplitOptions.RemoveEmptyEntries);
+                foreach (string elem in set)
+                {
+                    DrawningSPAU? sPAU =
+                    elem?.CreateDrawningCar(_separatorForObject, _pictureWidth, _pictureHeight);
+                    if (sPAU != null)
+                    {
+                        if ((collection + sPAU) == -1)
+                        {
+                            return false;
+                        }
+                    }
+                }
+                _SPAUStorages.Add(record[0], collection);
+            }
+            return true;
+        }
+
+    }
 }