90 lines
3.1 KiB
C#
90 lines
3.1 KiB
C#
using FileManager_UWP.Model;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Windows.Devices.Custom;
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using Windows.Storage;
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using Windows.Web.Http.Headers;
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namespace FileManager_UWP.Service {
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internal interface IFileService {
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/// <summary>
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/// 获得可显示的目录
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/// </summary>
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/// <param name="path">路径</param>
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/// <returns>文件和文件夹列表</returns>
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Task<List<Displayable>> GetDisplayFileFolderList(string path);
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}
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/// <summary>
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/// 负责提供本地文件及文件夹访问服务
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/// </summary>
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class FileService : IFileService {
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/// <summary>
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/// 获得普通文件夹中的文件
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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private async Task<List<Displayable>> GetRegularFilesAsync(string path) {
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StorageFolder folder = null;
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try
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{
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folder = await StorageFolder.GetFolderFromPathAsync(path);
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IReadOnlyList<StorageFolder> folders = await folder.GetFoldersAsync();
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IReadOnlyList<StorageFile> files = await folder.GetFilesAsync();
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List<Displayable> displayFileFolderItems =
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new List<Displayable> { await DisplayableFolder.GetParentAsync(folder) };
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//displayFileFolderItems.AddRange(folders
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// .Select(async i => await DisplayFileFolderItem.GetInstance(i))
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// .Select(i => i.Result)
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//);
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//displayFileFolderItems.AddRange(files
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// .Select(async i => await DisplayFileFolderItem.GetInstance(i))
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// .Select(i => i.Result)
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//);
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foreach (var file in folders) {
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displayFileFolderItems.Add(
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await DisplayableFolder.GetInstanceAsync(file));
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}
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foreach (var file in files) {
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displayFileFolderItems.Add(
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await DisplayableFile.GetInstanceAsync(file));
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}
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return displayFileFolderItems;
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}
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catch (Exception ex)
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{
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Debug.WriteLine(ex.Message);
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throw;
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}
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}
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private async Task<List<Displayable>> GetDiskDrivesAsync() {
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var drives = System.IO.DriveInfo.GetDrives();
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List<Displayable> ans = new List<Displayable>();
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foreach (var d in drives)
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{
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ans.Add(await DisplayableDisk.GetInstance(d));
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}
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return ans;
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}
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/// <summary>
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/// 获得可显示的目录
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/// </summary>
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/// <param name="path">路径</param>
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/// <returns>文件和文件夹列表</returns>
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public async Task<List<Displayable>> GetDisplayFileFolderList(string path) {
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if (path == "/")
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return await GetDiskDrivesAsync();
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return await GetRegularFilesAsync(path);
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}
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}
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}
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