/// <summary>
/// Adds file/s from the http request
/// </summary>
/// <param name="predicate">Set this param if you want to read a file from a specific form field name.</param>
/// <param name="formFileRules">The rules to apply to the file uploaded.</param>
/// <returns></returns>
public static async Task <IApiResponse <IEnumerable <UserBlobs> > > CreateRangeUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, IFormFileCollection files, Func <IFormFile, bool> predicate, FormFileRules formFileRules, IBlobStorage blobStorage, string userId, string tableName, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var any = predicate == null?files.Any() : files.Any(predicate);
if (any)
{
await dbContext.CreateAuditrailsAsync(new UserBlobs(), "No file/s uploaded", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <IEnumerable <UserBlobs> >()
{
Status = ApiResponseStatus.Failed, Message = "FileIsNullOrEmpty"
});
}
if (any && formFileRules != null)
{
var isValidFormFileApiResponse = files.IsValidFormFileApiResponse(predicate, formFileRules);
if (isValidFormFileApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <IEnumerable <UserBlobs> >()
{
Status = ApiResponseStatus.Failed, Message = isValidFormFileApiResponse.Message
});
}
}
var createdOn = DateTime.Now;
IEnumerable <IFormFile> formFiles = predicate == null?files.ToList() : files.Where(predicate);
IList <UserBlobs> uploadedUserBlobs = new List <UserBlobs>();
foreach (var file in formFiles)
{
var fileExtension = Path.GetExtension(file.FileName);
var uniqueFileName = Guid.NewGuid().ToString("N") + string.Empty.NewNumericIdentifier().ToString();
var filename = $"{uniqueFileName}{fileExtension}";
await blobStorage.WriteAsync(filename, file.OpenReadStream());
var userBlob = new UserBlobs().AutoMap(file);
userBlob.FilePath = filename;
userBlob.CreatedBy = userId;
userBlob.CreatedOn = createdOn;
userBlob.TableName = tableName;
uploadedUserBlobs.Add(userBlob);
await dbContext.AddAuditedAsync(userBlob, "File was uploaded", userId, controllerName, actionName, remoteIpAddress);
}
var result = await dbContext.SaveChangesAsync();
return(result.TransactionResultApiResponse(uploadedUserBlobs.AsEnumerable()));
}