appdata added

VDownload.Services/VDownload.Services.Data/VDownload.Services.Data.Application/ApplicationData.cs

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+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VDownload.Services.Data.Application
+{
+    public class ApplicationData
+    {
+        [JsonProperty("common")]
+        public CommonApplicationData Common { get; set; }
+    }
+}

VDownload.Services/VDownload.Services.Data/VDownload.Services.Data.Application/ApplicationDataService.cs

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+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VDownload.Services.Data.Configuration;
+
+namespace VDownload.Services.Data.Application
+{
+    public interface IApplicationDataService
+    {
+        #region PROPERTIES
+
+        ApplicationData Data { get; }
+
+        #endregion
+
+
+
+        #region METHODS
+
+        Task Load();
+        Task Restore();
+        Task Save();
+
+        #endregion
+    }
+
+
+
+    public class ApplicationDataService : IApplicationDataService
+    {
+        #region SERVICES
+
+        protected readonly IConfigurationService _configurationService;
+
+        #endregion
+
+
+
+        #region FIELDS
+
+        protected readonly string _filePath;
+
+        #endregion
+
+
+
+        #region PROPERTIES
+
+        public ApplicationData Data { get; private set; }
+
+        #endregion
+
+
+
+        #region CONSTRUCTORS
+
+        public ApplicationDataService(IConfigurationService configurationService)
+        {
+            _configurationService = configurationService;
+
+            string appdataPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+            string appdataDirectoryName = _configurationService.Common.Path.Appdata.DirectoryName;
+            string appdataAuthenticationFilename = _configurationService.Common.Path.Appdata.SettingsFile;
+            _filePath = Path.Combine(appdataPath, appdataDirectoryName, appdataAuthenticationFilename);
+        }
+
+        #endregion
+
+
+
+        #region PUBLIC METHODS
+
+        public async Task Load()
+        {
+            if (File.Exists(_filePath))
+            {
+                string content = await File.ReadAllTextAsync(_filePath);
+                Data = JsonConvert.DeserializeObject<ApplicationData>(content);
+            }
+            else
+            {
+                Data = new ApplicationData();
+            }
+        }
+
+        public async Task Save()
+        {
+            Directory.CreateDirectory(Path.GetDirectoryName(_filePath));
+            string content = JsonConvert.SerializeObject(Data);
+            await File.WriteAllTextAsync(_filePath, content);
+        }
+
+        public async Task Restore()
+        {
+            Data = new ApplicationData();
+            await Save();
+        }
+
+        #endregion
+    }
+}

VDownload.Services/VDownload.Services.Data/VDownload.Services.Data.Application/CommonApplicationData.cs

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+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VDownload.Services.Data.Application
+{
+    public class CommonApplicationData
+    {
+        [JsonProperty("last_output_directory")]
+        public string? LastOutputDirectory { get; set; } = null;
+    }
+}

VDownload.Services/VDownload.Services.Data/VDownload.Services.Data.Application/VDownload.Services.Data.Application.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\VDownload.Services.Data.Configuration\VDownload.Services.Data.Configuration.csproj" />
+  </ItemGroup>
+
+</Project>