oqtane.framework/Oqtane.Client/Modules/Controls/FileManager.razor
2024-11-12 15:40:54 -05:00

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@namespace Oqtane.Modules.Controls
@using System.Threading
@inherits ModuleControlBase
@inject IFolderService FolderService
@inject IFileService FileService
@inject ISettingService SettingService
@inject IUserService UserService
@inject IStringLocalizer<FileManager> Localizer
@inject IStringLocalizer<SharedResources> SharedLocalizer
@if (_initialized)
{
<div id="@Id" class="container-fluid px-0">
<div class="row">
<div class="col">
<div class="container-fluid px-0">
@if (ShowFolders)
{
<div class="row">
<div class="col">
<select class="form-select" value="@FolderId" @onchange="(e => FolderChanged(e))">
<option value="-1">&lt;@Localizer["Folder.Select"]&gt;</option>
@foreach (Folder folder in _folders)
{
<option value="@(folder.FolderId)">@(new string('-', folder.Level * 2))@(folder.Name)</option>
}
</select>
</div>
</div>
}
@if (ShowFiles)
{
<div class="row mt-1">
<div class="col">
<select class="form-select" value="@FileId" @onchange="(e => FileChanged(e))">
<option value="-1">&lt;@Localizer["File.Select"]&gt;</option>
@foreach (File file in _files)
{
<option value="@(file.FileId)">@(file.Name)</option>
}
</select>
</div>
</div>
}
else
{
if (FileId != -1 && _file != null && !UploadMultiple)
{
<input class="form-control" @bind="@_file.Name" disabled />
}
}
@if (ShowUpload && _haseditpermission)
{
<div class="row mt-2">
<div class="col">
@if (UploadMultiple)
{
<input type="file" id="@_fileinputid" name="file" accept="@_filter" multiple />
}
else
{
<input type="file" id="@_fileinputid" name="file" accept="@_filter" />
}
</div>
<div class="col-auto">
<button type="button" class="btn btn-success" @onclick="UploadFiles">@SharedLocalizer["Upload"]</button>
@if (FileId != -1 && !UploadMultiple)
{
<button type="button" class="btn btn-danger mx-1" @onclick="DeleteFile">@SharedLocalizer["Delete"]</button>
}
</div>
</div>
@if (ShowProgress)
{
<div class="row">
<div class="col mt-1"><span id="@_progressinfoid" style="display: none;"></span></div>
<div class="col mt-1"><progress id="@_progressbarid" class="mt-1" style="display: none;"></progress></div>
</div>
}
else
{
if (_uploading)
{
<div class="app-progress-indicator"></div>
}
}
}
@if (!string.IsNullOrEmpty(_message))
{
<div class="row mt-1">
<div class="col">
<ModuleMessage Message="@_message" Type="@_messagetype" />
</div>
</div>
}
</div>
</div>
@if (_image != string.Empty)
{
<div class="col-auto">
@((MarkupString) _image)
</div>
}
</div>
</div>
}
@code {
private bool _initialized = false;
private List<Folder> _folders;
private List<File> _files = new List<File>();
private string _fileinputid = string.Empty;
private string _progressinfoid = string.Empty;
private string _progressbarid = string.Empty;
private string _filter = "*";
private bool _haseditpermission = false;
private string _image = string.Empty;
private File _file = null;
private string _guid;
private string _message = string.Empty;
private MessageType _messagetype;
private bool _uploading = false;
[Parameter]
public string Id { get; set; } // optional - for setting the id of the FileManager component for accessibility
[Parameter]
public int FolderId { get; set; } = -1; // optional - for setting a specific default folder by folderid
[Parameter]
public string Folder { get; set; } = ""; // optional - for setting a specific default folder by folder path
[Parameter]
public int FileId { get; set; } = -1; // optional - for selecting a specific file by default
[Parameter]
public string Filter { get; set; } // optional - comma delimited list of file types that can be selected or uploaded ie. "jpg,gif"
[Parameter]
public bool ShowFiles { get; set; } = true; // optional - for indicating whether a list of files should be displayed - default is true
[Parameter]
public bool ShowUpload { get; set; } = true; // optional - for indicating whether a Upload controls should be displayed - default is true
[Parameter]
public bool ShowFolders { get; set; } = true; // optional - for indicating whether a list of folders should be displayed - default is true
[Parameter]
public bool ShowImage { get; set; } = true; // optional - for indicating whether an image thumbnail should be displayed - default is true
[Parameter]
public bool ShowProgress { get; set; } = true; // optional - for indicating whether progress info should be displayed during upload - default is true
[Parameter]
public bool ShowSuccess { get; set; } = false; // optional - for indicating whether a success message should be displayed upon successful upload - default is false
[Parameter]
public bool UploadMultiple { get; set; } = false; // optional - enable multiple file uploads - default false
[Parameter]
public EventCallback<int> OnUpload { get; set; } // optional - executes a method in the calling component when a file is uploaded
[Parameter]
public EventCallback<int> OnSelect { get; set; } // optional - executes a method in the calling component when a file is selected
[Parameter]
public EventCallback<int> OnDelete { get; set; } // optional - executes a method in the calling component when a file is deleted
protected override void OnInitialized()
{
// create unique id for component
_guid = Guid.NewGuid().ToString("N");
_fileinputid = "FileInput_" + _guid;
_progressinfoid = "ProgressInfo_" + _guid;
_progressbarid = "ProgressBar_" + _guid;
}
protected override async Task OnParametersSetAsync()
{
// packages folder is a framework folder for uploading installable nuget packages
if (Folder == Constants.PackagesFolder)
{
ShowFiles = false;
ShowFolders = false;
Filter = "nupkg";
ShowSuccess = true;
}
if (!string.IsNullOrEmpty(Folder) && Folder != Constants.PackagesFolder)
{
Folder folder = await FolderService.GetFolderAsync(ModuleState.SiteId, Folder);
if (folder != null)
{
FolderId = folder.FolderId;
}
else
{
FolderId = -1;
_message = "Folder Path " + Folder + " Does Not Exist";
_messagetype = MessageType.Error;
}
}
if (ShowFolders)
{
_folders = await FolderService.GetFoldersAsync(ModuleState.SiteId);
}
else
{
if (FolderId != -1)
{
var folder = await FolderService.GetFolderAsync(FolderId);
if (folder != null)
{
_folders = new List<Folder> { folder };
}
}
}
if (FileId != -1)
{
File file = await FileService.GetFileAsync(FileId);
if (file != null)
{
FolderId = file.FolderId;
}
else
{
_message = "FileId " + FileId.ToString() + " Does Not Exist";
_messagetype = MessageType.Error;
FileId = -1; // file does not exist
}
}
await SetImage();
if (!string.IsNullOrEmpty(Filter))
{
_filter = "." + Filter.Replace(",", ",.");
}
await GetFiles();
_initialized = true;
}
private async Task GetFiles()
{
_haseditpermission = false;
if (Folder == Constants.PackagesFolder)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, RoleNames.Host);
_files = new List<File>();
}
else
{
Folder folder = _folders.FirstOrDefault(item => item.FolderId == FolderId);
if (folder != null)
{
_haseditpermission = UserSecurity.IsAuthorized(PageState.User, PermissionNames.Edit, folder.PermissionList);
if (UserSecurity.IsAuthorized(PageState.User, PermissionNames.Browse, folder.PermissionList))
{
_files = await FileService.GetFilesAsync(FolderId);
}
else
{
_files = new List<File>();
}
}
else
{
_haseditpermission = false;
_files = new List<File>();
}
if (_filter != "*")
{
List<File> filtered = new List<File>();
foreach (File file in _files)
{
if (_filter.ToUpper().IndexOf("." + file.Extension.ToUpper()) != -1)
{
filtered.Add(file);
}
}
_files = filtered;
}
}
}
private async Task FolderChanged(ChangeEventArgs e)
{
_message = string.Empty;
try
{
FolderId = int.Parse((string)e.Value);
await GetFiles();
FileId = -1;
_file = null;
_image = string.Empty;
StateHasChanged();
}
catch (Exception ex)
{
await logger.LogError(ex, "Error Loading Files {Error}", ex.Message);
_message = Localizer["Error.File.Load"];
_messagetype = MessageType.Error;
}
}
private async Task FileChanged(ChangeEventArgs e)
{
_message = string.Empty;
FileId = int.Parse((string)e.Value);
await SetImage();
await OnSelect.InvokeAsync(FileId);
StateHasChanged();
}
private async Task SetImage()
{
_image = string.Empty;
_file = null;
if (FileId != -1)
{
_file = await FileService.GetFileAsync(FileId);
if (_file != null && ShowImage && _file.ImageHeight != 0 && _file.ImageWidth != 0)
{
var maxwidth = 200;
var maxheight = 200;
var ratioX = (double)maxwidth / (double)_file.ImageWidth;
var ratioY = (double)maxheight / (double)_file.ImageHeight;
var ratio = ratioX < ratioY ? ratioX : ratioY;
_image = "<img src=\"" + _file.Url + "\" alt=\"" + _file.Name +
"\" width=\"" + Convert.ToInt32(_file.ImageWidth * ratio).ToString() +
"\" height=\"" + Convert.ToInt32(_file.ImageHeight * ratio).ToString() + "\" />";
}
}
}
private async Task UploadFiles()
{
_message = string.Empty;
var interop = new Interop(JSRuntime);
var uploads = await interop.GetFiles(_fileinputid);
if (uploads.Length > 0)
{
string restricted = "";
foreach (var upload in uploads)
{
var filename = upload.Split(':')[0];
var extension = (filename.LastIndexOf(".") != -1) ? filename.Substring(filename.LastIndexOf(".") + 1) : "";
if (!PageState.Site.UploadableFiles.Split(',').Contains(extension.ToLower()))
{
restricted += (restricted == "" ? "" : ",") + extension;
}
}
if (restricted == "")
{
try
{
// upload the files
var posturl = Utilities.TenantUrl(PageState.Alias, "/api/file/upload");
var folder = (Folder == Constants.PackagesFolder) ? Folder : FolderId.ToString();
var jwt = "";
if (PageState.Runtime == Shared.Runtime.Hybrid)
{
jwt = await UserService.GetTokenAsync();
if (string.IsNullOrEmpty(jwt))
{
await logger.LogInformation("File Upload Failed From .NET MAUI Due To Missing Security Token. Token Options Must Be Set In User Settings.");
_message = "Security Token Not Specified";
_messagetype = MessageType.Error;
return;
}
}
if (!ShowProgress)
{
_uploading = true;
StateHasChanged();
}
await interop.UploadFiles(posturl, folder, _guid, SiteState.AntiForgeryToken, jwt);
// uploading is asynchronous so we need to poll to determine if uploads are completed
var success = true;
int upload = 0;
while (upload < uploads.Length && success)
{
success = false;
var filename = uploads[upload].Split(':')[0];
var size = Int64.Parse(uploads[upload].Split(':')[1]); // bytes
var megabits = (size / 1048576.0) * 8; // binary conversion
var uploadspeed = (PageState.Alias.Name.Contains("localhost")) ? 100 : 3; // 3 Mbps is FCC minimum for broadband upload
var uploadtime = (megabits / uploadspeed); // seconds
var maxattempts = 5; // polling (minimum timeout duration will be 5 seconds)
var sleep = (int)Math.Ceiling(uploadtime / maxattempts) * 1000; // milliseconds
int attempts = 0;
while (attempts < maxattempts && !success)
{
attempts += 1;
Thread.Sleep(sleep);
if (Folder == Constants.PackagesFolder)
{
var files = await FileService.GetFilesAsync(folder);
if (files != null && files.Any(item => item.Name == filename))
{
success = true;
}
}
else
{
var file = await FileService.GetFileAsync(int.Parse(folder), filename);
if (file != null)
{
success = true;
}
}
}
if (success)
{
upload++;
}
}
// reset progress indicators
if (ShowProgress)
{
await interop.SetElementAttribute(_progressinfoid, "style", "display: none;");
await interop.SetElementAttribute(_progressbarid, "style", "display: none;");
}
else
{
_uploading = false;
StateHasChanged();
}
if (success)
{
await logger.LogInformation("File Upload Succeeded {Files}", uploads);
if (ShowSuccess)
{
_message = Localizer["Success.File.Upload"];
_messagetype = MessageType.Success;
}
}
else
{
await logger.LogInformation("File Upload Failed Or Is Still In Progress {Files}", uploads);
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
}
if (Folder == Constants.PackagesFolder)
{
await OnUpload.InvokeAsync(-1);
}
else
{
// set FileId to first file in upload collection
var file = await FileService.GetFileAsync(int.Parse(folder), uploads[0].Split(":")[0]);
if (file != null)
{
FileId = file.FileId;
await SetImage();
await OnSelect.InvokeAsync(FileId);
await OnUpload.InvokeAsync(FileId);
}
await GetFiles();
StateHasChanged();
}
}
catch (Exception ex)
{
await logger.LogError(ex, "File Upload Failed {Error}", ex.Message);
_message = Localizer["Error.File.Upload"];
_messagetype = MessageType.Error;
_uploading = false;
}
}
else
{
_message = string.Format(Localizer["Message.File.Restricted"], restricted);
_messagetype = MessageType.Warning;
}
}
else
{
_message = Localizer["Message.File.NotSelected"];
_messagetype = MessageType.Warning;
}
}
private async Task DeleteFile()
{
_message = string.Empty;
try
{
await FileService.DeleteFileAsync(FileId);
await logger.LogInformation("File Deleted {File}", FileId);
await OnDelete.InvokeAsync(FileId);
if (ShowSuccess)
{
_message = Localizer["Success.File.Delete"];
_messagetype = MessageType.Success;
}
await GetFiles();
FileId = -1;
await SetImage();
await OnSelect.InvokeAsync(FileId);
StateHasChanged();
}
catch (Exception ex)
{
await logger.LogError(ex, "Error Deleting File {File} {Error}", FileId, ex.Message);
_message = Localizer["Error.File.Delete"];
_messagetype = MessageType.Error;
}
}
public int GetFileId() => FileId;
public int GetFolderId() => FolderId;
public File GetFile() => _file;
public async Task Refresh()
{
await Refresh(-1);
}
public async Task Refresh(int fileId)
{
await GetFiles();
if (fileId != -1)
{
var file = _files.Where(item => item.FileId == fileId).FirstOrDefault();
if (file != null)
{
FileId = file.FileId;
await SetImage();
}
}
StateHasChanged();
}
}