Files
FileManager-UWP/FileManager_UWP/Service/FileService.cs
T
2019-04-04 22:02:02 +08:00

132 lines
4.7 KiB
C#

using FileManager_UWP.Model;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security.Authentication;
using System.Text;
using System.Threading.Tasks;
using Windows.Data.Json;
using Windows.Devices.Custom;
using Windows.Storage;
using Windows.Storage.FileProperties;
using Windows.Web.Http.Headers;
using Type = FileManager_UWP.Model.Type;
namespace FileManager_UWP.Service {
internal interface IFileService {
/// <summary>
/// 获得可显示的目录
/// </summary>
/// <param name="path">路径</param>
/// <returns>文件和文件夹列表</returns>
Task<List<Displayable>> GetDisplayFileFolderList(string path);
}
/// <summary>
/// 负责提供本地文件及文件夹访问服务
/// </summary>
class FileService : IFileService {
/// <summary>
/// 获得普通文件夹中的文件
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
private async Task<List<Displayable>> GetRegularFilesAsync(string path) {
StorageFolder folder = null;
try {
folder = await StorageFolder.GetFolderFromPathAsync(path);
} catch (FileNotFoundException e) {
Debug.WriteLine(e.Message);
throw;
} catch (AuthenticationException e) {
Debug.WriteLine(e.Message);
throw;
}
// 打开文件夹
List<Displayable> displayFileFolderItems =
new List<Displayable> {await DisplayableFolder.GetParentAsync(folder)};
// 读取配置文件
string confPath = folder.Path;
if (confPath.EndsWith('\\'))
confPath += ".awesomefilemanager";
else
confPath += "\\.awesomefilemanager";
try
{
StorageFile confFile = await StorageFile.GetFileFromPathAsync(confPath);
string jsonString = await FileIO.ReadTextAsync(confFile);
JsonObject jsonObject = JsonObject.Parse(jsonString);
JsonArray virtualFolders = jsonObject.GetNamedArray("virtual_folders");
foreach (var jsonValue in virtualFolders) {
var virtualFolder = jsonValue.GetObject();
displayFileFolderItems.Add(new DisplayableSpecial(
virtualFolder.GetNamedString("name"),
"",
Type.VirtualFolder,
await IconServer.GetFolderIcon(ThumbnailMode.ListView, 32)));
}
} catch (FileNotFoundException) {
Debug.WriteLine("no configure file in " + confPath);
}
IReadOnlyList<StorageFolder> folders = await folder.GetFoldersAsync();
IReadOnlyList<StorageFile> files = await folder.GetFilesAsync();
//displayFileFolderItems.AddRange(folders
// .Select(async i => await DisplayFileFolderItem.GetInstance(i))
// .Select(i => i.Result)
//);
//displayFileFolderItems.AddRange(files
// .Select(async i => await DisplayFileFolderItem.GetInstance(i))
// .Select(i => i.Result)
//);
foreach (var file in folders) {
displayFileFolderItems.Add(
await DisplayableFolder.GetInstanceAsync(file));
}
foreach (var file in files) {
displayFileFolderItems.Add(
await DisplayableFile.GetInstanceAsync(file));
}
return displayFileFolderItems;
}
/// <summary>
/// 获得磁盘驱动器列表
/// </summary>
/// <returns></returns>
private async Task<List<Displayable>> GetDiskDrivesAsync() {
var drives = System.IO.DriveInfo.GetDrives();
List<Displayable> ans = new List<Displayable>();
foreach (var d in drives)
{
ans.Add(await DisplayableDisk.GetInstance(d));
}
return ans;
}
/// <summary>
/// 获得可显示的目录
/// </summary>
/// <param name="path">路径</param>
/// <returns>文件和文件夹列表</returns>
public async Task<List<Displayable>> GetDisplayFileFolderList(string path) {
List<Displayable> ans;
if (path == "/")
ans = await GetDiskDrivesAsync();
else
ans = await GetRegularFilesAsync(path);
ans.Sort();
return ans;
}
}
}