feature(EJ2-38936): Added the upload customization support for firebase file provider

Author: bhuvaneswari

CHANGELOG.md

@@ -1,9 +1,17 @@
 # Changelog
 
+## [Unreleased]
+
+### Firebase realtime database file provider
+
+#### New Features
+
+- Support has been provided for upload customization.
+
 ## 17.3.0.14 (2019-10-04)
 
-### Firebase realtime database file system provider
+### Firebase realtime database file provider
 
 #### New Features
 
-- Added Firebase realtime cloud storage database filesystem provider support for ASP.NET Core.
+- Added Firebase realtime cloud storage database file provider support for ASP.NET Core.

Models/FirebaseRealtimeDBFileProvider.cs

@@ -732,40 +732,165 @@ public FileStreamResult GetImage(string path, string id, bool allowCompress, Ima
  public virtual FileManagerResponse Upload(string path, IList<IFormFile> uploadFiles, string action, params FileManagerDirectoryContent[] data)
  {
  FileManagerResponse uploadResponse = new FileManagerResponse();
+ List<string> existFiles = new List<string>();
  try
  {
- string filename = Path.GetFileName(uploadFiles[0].FileName);
- string contentType = uploadFiles[0].ContentType;
- int idValue = this.firebaseGetData.Select(x => x.Id).ToArray().Select(int.Parse).ToArray().Max();
- using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Create))
+ foreach (IFormFile file in uploadFiles)
  {
- uploadFiles[0].CopyTo(fsSource);
- fsSource.Close();
+ string name = file.FileName;
+ string fullName = Path.Combine(Path.GetTempPath(), name);
+ if (uploadFiles != null)
+ {
+ string filename = Path.GetFileName(uploadFiles[0].FileName);
+ string contentType = uploadFiles[0].ContentType;
+ int idValue = this.firebaseGetData.Select(x => x.Id).ToArray().Select(int.Parse).ToArray().Max();
+ string[] fileNames = this.firebaseGetData.Select(x => x.Name).ToArray();
+ if (action == "save")
+ {
+ if (!System.IO.File.Exists(fullName))
+ {
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Create))
+ {
+ uploadFiles[0].CopyTo(fsSource);
+ fsSource.Close();
+ }
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Open, FileAccess.Read))
+ {
+ BinaryReader br = new BinaryReader(fsSource);
+ long numBytes = new FileInfo(Path.Combine(Path.GetTempPath(), filename)).Length;
+ byte[] bytes = br.ReadBytes((int)numBytes);
+ this.GetRelativePath(data[0].Id, "/");
+ this.GetRelativeId(data[0].Id);
+ FileManagerDirectoryContent CreateData = new FileManagerDirectoryContent()
+ {
+ Id = (idValue + 1).ToString(),
+ Name = filename,
+ Size = bytes.Length,
+ DateCreated = DateTime.Now.ToString(),
+ DateModified = DateTime.Now.ToString(),
+ Type = System.IO.Path.GetExtension(filename),
+ HasChild = false,
+ ParentId = data[0].Id,
+ IsFile = true,
+ Content = bytes,
+ isRoot = (data[0].Id.ToString() == "0") ? true : false,
+ FilterPath = this.filterPath.Substring(this.rootNode.Length) + "/",
+ FilterId = this.filterId + "/"
+ };
+ this.updateDBNode(CreateData, idValue);
+ }
+ }
+ else
+ {
+ existFiles.Add(name);
+ }
+ }
+ else if (action == "replace")
+ {
+ int i = 0;
+ FileManagerDirectoryContent[] childs = this.firebaseGetData.Select(x => x).ToArray();
+ foreach (string newFile in fileNames)
+ {
+ if (newFile == filename)
+ {
+ while (i < fileNames.Length)
+ {
+ if (filename == fileNames[i])
+ {
+ int id = i;
+ this.DeleteItems(childs[id].Id);
+ }
+ i++;
+ }
+ }
+ }
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Create))
+ {
+ file.CopyTo(fsSource);
+ fsSource.Close();
+ }
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Open, FileAccess.Read))
+ {
+ BinaryReader br = new BinaryReader(fsSource);
+ long numBytes = new FileInfo(Path.Combine(Path.GetTempPath(), filename)).Length;
+ byte[] bytes = br.ReadBytes((int)numBytes);
+ this.GetRelativePath(data[0].Id, "/");
+ this.GetRelativeId(data[0].Id);
+ FileManagerDirectoryContent CreateData = new FileManagerDirectoryContent()
+ {
+ Id = (idValue + 1).ToString(),
+ Name = filename,
+ Size = bytes.Length,
+ DateCreated = DateTime.Now.ToString(),
+ DateModified = DateTime.Now.ToString(),
+ Type = System.IO.Path.GetExtension(filename),
+ HasChild = false,
+ ParentId = data[0].Id,
+ IsFile = true,
+ Content = bytes,
+ isRoot = (data[0].Id.ToString() == "0") ? true : false,
+ FilterPath = this.filterPath.Substring(this.rootNode.Length) + "/",
+ FilterId = this.filterId + "/"
+ };
+ this.updateDBNode(CreateData, idValue);
+ }
+ }
+ else if (action == "keepboth")
+ {
+ string newName = fullName;
+ string newFileName = file.FileName;
+ int index = fullName.LastIndexOf(".");
+ int indexValue = newFileName.LastIndexOf(".");
+ if (index >= 0)
+ {
+ newName = fullName.Substring(0, index);
+ newFileName = newFileName.Substring(0, indexValue);
+ }
+ int fileCount = 0;
+ while (System.IO.File.Exists(newName + (fileCount > 0 ? "(" + fileCount.ToString() + ")" + Path.GetExtension(name) : Path.GetExtension(name))))
+ {
+ fileCount++;
+ }
+ newName = newFileName + (fileCount > 0 ? "(" + fileCount.ToString() + ")" : "") + Path.GetExtension(name);
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), newName), FileMode.Create))
+ {
+ file.CopyTo(fsSource);
+ fsSource.Close();
+ }
+ using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), newName), FileMode.Open, FileAccess.Read))
+ {
+ BinaryReader br = new BinaryReader(fsSource);
+ long numBytes = new FileInfo(Path.Combine(Path.GetTempPath(), newName)).Length;
+ byte[] bytes = br.ReadBytes((int)numBytes);
+ this.GetRelativePath(data[0].Id, "/");
+ this.GetRelativeId(data[0].Id);
+ FileManagerDirectoryContent CreateData = new FileManagerDirectoryContent()
+ {
+ Id = (idValue + 1).ToString(),
+ Name = newName,
+ Size = bytes.Length,
+ DateCreated = DateTime.Now.ToString(),
+ DateModified = DateTime.Now.ToString(),
+ Type = System.IO.Path.GetExtension(newName),
+ HasChild = false,
+ ParentId = data[0].Id,
+ IsFile = true,
+ Content = bytes,
+ isRoot = (data[0].Id.ToString() == "0") ? true : false,
+ FilterPath = this.filterPath.Substring(this.rootNode.Length) + "/",
+ FilterId = this.filterId + "/"
+ };
+ this.updateDBNode(CreateData, idValue);
+ }
+ }
+ }
  }
- using (FileStream fsSource = new FileStream(Path.Combine(Path.GetTempPath(), filename), FileMode.Open, FileAccess.Read))
+ if (existFiles.Count != 0)
  {
- BinaryReader br = new BinaryReader(fsSource);
- long numBytes = new FileInfo(Path.Combine(Path.GetTempPath(), filename)).Length;
- byte[] bytes = br.ReadBytes((int)numBytes);
- this.GetRelativePath(data[0].Id, "/");
- this.GetRelativeId(data[0].Id);
- FileManagerDirectoryContent CreateData = new FileManagerDirectoryContent()
- {
- Id = (idValue + 1).ToString(),
- Name = filename,
- Size = bytes.Length,
- DateCreated = DateTime.Now.ToString(),
- DateModified = DateTime.Now.ToString(),
- Type = System.IO.Path.GetExtension(filename),
- HasChild = false,
- ParentId = data[0].Id,
- IsFile = true,
- Content = bytes,
- isRoot = (data[0].Id.ToString() == "0") ? true : false,
- FilterPath = this.filterPath.Substring(this.rootNode.Length) + "/",
- FilterId = this.filterId + "/"
- };
- this.updateDBNode(CreateData, idValue);
+ ErrorDetails er = new ErrorDetails();
+ er.Code = "400";
+ er.Message = "File Already Exists";
+ uploadResponse.Error = er;
  }
  }
  catch (Exception e)

README.md

@@ -118,4 +118,4 @@ Check the license detail [here](https://github.com/syncfusion/ej2-javascript-ui-
 
 Check the changelog [here](https://github.com/syncfusion/ej2-javascript-ui-controls/blob/master/controls/filemanager/CHANGELOG.md)
 
-© Copyright 2019 Syncfusion, Inc. All Rights Reserved. The Syncfusion Essential Studio license and copyright applies to this distribution.
+© Copyright 2020 Syncfusion, Inc. All Rights Reserved. The Syncfusion Essential Studio license and copyright applies to this distribution.