/// <summary>
/// Saves uploaded IFormFile file to physical file path. If <paramref name="file"/>.Lenght is lower or equal than 0 then returns empty string.
/// Target Path will be : "<paramref name ="basePath"></paramref>/<b><paramref name="folderNameCreator"/>()</b>/<paramref name="entity"></paramref>.<paramref name="propertyName"/>"
/// </summary>
///
/// <para><b>Remarks:</b></para>
///
/// <remarks>
///
/// <para> Don't forget validate file with <see cref="ValidateFile(IFormFile, long, List{string}, FileType)"/>, before use this method.</para>
///
/// </remarks>
///
/// <typeparam name="TEntity"></typeparam>
/// <param name="file"> Uploaded file in entity. </param>
/// <param name="entity"></param>
/// <param name="basePath"></param>
/// <param name="folderNameCreator"></param>
/// <param name="propertyName"></param>
/// <returns> Completed Task </returns>
public static async Task <string> SaveFileToPathAsync <TEntity>(this IFormFile file,
TEntity entity,
string basePath,
FilesFolderNameCreator folderNameCreator,
string propertyName)
{
if (file.Length <= 0)
{
return("");
}
//Gets file extension.
var fileExtension = Path.GetExtension(file.FileName);
//Gets the class name. E.g. If class is ProductDTO then sets the value of this variable as "Product".
var folderNameOfClass = folderNameCreator.Invoke(entity.GetType());
//We combined the name of this class (folderNameOfClass) with the path of the basePath folder. So we created the path of the folder belonging to this class.
var folderPathOfClass = Path.Combine(basePath, folderNameOfClass);
//If there is no such folder in this path (folderPathOfClass), we created it.
if (!Directory.Exists(folderPathOfClass))
{
Directory.CreateDirectory(folderPathOfClass);
}
//Since each data belonging to this class (folderNameOfClass) will have a separate folder, we received the Id of the data sent.
var folderNameOfItem = CommonHelper.PropertyExists <TEntity>(propertyName)
? entity.GetType().GetProperty(propertyName).GetValue(entity, null).ToString()
: throw new MilvaDeveloperException("PropertyNotExists");
//We created the path to the folder of this Id (folderNameOfItem).
var folderPathOfItem = Path.Combine(folderPathOfClass, folderNameOfItem);
try
{
//If there is no such folder in this path (folderPathOfItem), we created it.
if (!Directory.Exists(folderPathOfItem))
{
Directory.CreateDirectory(folderPathOfItem);
}
else
{
Directory.Delete(folderPathOfItem, true);
Directory.CreateDirectory(folderPathOfItem);
}
var fileNameWithExtension = $"{folderNameOfItem}{fileExtension}";
var filePathOfItem = Path.Combine(folderPathOfItem, fileNameWithExtension);
using (var fileStream = new FileStream(filePathOfItem, FileMode.Create))
{
await file.CopyToAsync(fileStream).ConfigureAwait(false);
}
return(filePathOfItem);
}
catch (Exception)
{
Directory.Delete(folderPathOfItem, true);
throw;
}
}
/// <summary>
/// Saves uploaded IFormFile files to physical file path. If file list is null or empty returns empty <see cref="List{String}"/>
/// Target Path will be : "<paramref name ="basePath"></paramref>/<b><paramref name="folderNameCreator"/>()</b>/<paramref name="entity"></paramref>.<paramref name="propertyName"/>"
/// </summary>
///
/// <para><b>Remarks:</b></para>
///
/// <remarks>
///
/// <para> Don't forget validate files with <see cref="ValidateFile(IFormFile, long, List{string}, FileType)"/>, before use this method.</para>
///
/// </remarks>
///
/// <typeparam name="TEntity"></typeparam>
/// <param name="files"> Uploaded file in entity. </param>
/// <param name="entity"></param>
/// <param name="basePath"></param>
/// <param name="folderNameCreator"></param>
/// <param name="propertyName"></param>
/// <returns> Completed Task </returns>
public static async Task <List <string> > SaveFilesToPathAsync <TEntity>(this IFormFileCollection files,
TEntity entity,
string basePath,
FilesFolderNameCreator folderNameCreator,
string propertyName)
{
if (files.IsNullOrEmpty())
{
return(new List <string>());
}
//Gets file extension.
var fileExtension = Path.GetExtension(files[0].FileName);
//Gets the class name. E.g. If class is ProductDTO then sets the value of this variable as "Product".
var folderNameOfClass = folderNameCreator.Invoke(entity.GetType());
//We combined the name of this class (folderNameOfClass) with the path of the basePath folder. So we created the path of the folder belonging to this class.
var folderPathOfClass = Path.Combine(basePath, folderNameOfClass);
//Since each data belonging to this class (folderNameOfClass) will have a separate folder, we received the Id of the data sent.
var folderNameOfItem = CommonHelper.PropertyExists <TEntity>(propertyName)
? entity.GetType().GetProperty(propertyName).GetValue(entity, null).ToString()
: throw new MilvaDeveloperException("PropertyNotExists");
//We created the path to the folder of this Id (folderNameOfItem).
var folderPathOfItem = Path.Combine(folderPathOfClass, folderNameOfItem);
try
{
//If there is no such folder in this path (folderPathOfClass), we created it.
if (!Directory.Exists(folderPathOfClass))
{
Directory.CreateDirectory(folderPathOfClass);
}
//If there is no such folder in this path (folderPathOfItem), we created it.
if (!Directory.Exists(folderPathOfItem))
{
Directory.CreateDirectory(folderPathOfItem);
}
DirectoryInfo directory = new(folderPathOfItem);
var directoryFiles = directory.GetFiles();
int markerNo = directoryFiles.IsNullOrEmpty()
? 1
: (directoryFiles.Max(fileInDir => Convert.ToInt32(Path.GetFileNameWithoutExtension(fileInDir.FullName).Split('_')[1])) + 1);
var folderPaths = new List <string>();
foreach (var item in files)
{
var fileNameWithExtension = $"{folderNameOfItem}_{markerNo}{fileExtension}";
var filePathOfItem = Path.Combine(folderPathOfItem, fileNameWithExtension);
using (var fileStream = new FileStream(filePathOfItem, FileMode.Create))
{
await item.CopyToAsync(fileStream).ConfigureAwait(false);
}
folderPaths.Add(filePathOfItem);
markerNo++;
}
return(folderPaths);
}
catch (Exception)
{
Directory.Delete(folderPathOfClass);
Directory.Delete(folderPathOfItem);
throw;
}
}