/// <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()));
}
/// <summary>
/// Read a blob as a base 64 string api response from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to search</param>
/// <returns></returns>
public static async Task <IApiResponse <string> > ReadBlobAsBase64ApiResponseAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isBlobOwnerAndFileExists = await dbContext.IsBlobOwnerAndFileExistsAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (isBlobOwnerAndFileExists.Status == ApiResponseStatus.Failed || !isBlobOwnerAndFileExists.Data)
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = isBlobOwnerAndFileExists.Message
});
}
await dbContext.CreateAuditrailsAsync(userBlobs, "File was found and readed as api response base 64 string", userId, controllerName, actionName, remoteIpAddress);
var base64 = Convert.ToBase64String(await blobStorage.ReadBytesAsync(userBlobs.FilePath));
return(new ApiResponse <string>()
{
Data = base64, Status = ApiResponseStatus.Succeeded
});
}
/// <summary>
/// Read a blob as a base 64 string from the storage.
/// </summary>
/// <param name="UserBlobs">The user blob to search</param>
/// <returns></returns>
public static async Task <string> ReadBlobAsBase64Async(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
return(Convert.ToBase64String(await dbContext.ReadBlobAsByteArrayAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress)));
}
/// <summary>
/// Checks if the current user is the blob owner and the file exists
/// </summary>
/// <param name="userBlob"></param>
/// <returns></returns>
public static async Task <IApiResponse <bool> > IsBlobOwnerAndFileExistsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
if (userBlobs == null)
{
await dbContext.CreateAuditrailsAsync(userBlobs, "Userblob is null on method IsBlobOwnerAndFileExistsAsync", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Message = "FileNotFound"
});
}
if (!ignoreBlobOwner)
{
var isBlobOwner = await dbContext.IsBlobOwnerAsync(userBlobs, userId, controllerName, actionName, remoteIpAddress);
if (isBlobOwner.Status == ApiResponseStatus.Failed || !isBlobOwner.Data)
{
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Message = isBlobOwner.Message
});
}
}
var fileExist = await blobStorage.ExistsAsync(userBlobs.FilePath);
if (!fileExist)
{
await dbContext.CreateAuditrailsAsync(userBlobs, "File Not found on method IsBlobOwnerAndFileExists", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Data = fileExist, Message = "FileNotFound"
});
}
await dbContext.CreateAuditrailsAsync(userBlobs, "File was found", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Succeeded, Data = true
});
}
/// <summary>
/// Checks is the current user is the blob owner
/// </summary>
/// <param name="UserBlobs"></param>
/// <returns></returns>
public static async Task <IApiResponse <bool> > IsBlobOwnerAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, string userId, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
if (userBlobs == null)
{
await dbContext.CreateAuditrailsAsync(userBlobs, "Userblob is null on method IsBlobOwner", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Message = "FileNotFound"
});
}
var result = (await dbContext.UserBlobs.FirstOrDefaultAsync(x => x.UserBlobId == userBlobs.UserBlobId && x.CreatedBy == userId)) != null;
if (!result)
{
await dbContext.CreateAuditrailsAsync(userBlobs, "User is not the blob owner", userId, controllerName, actionName, remoteIpAddress);
}
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Succeeded, Data = result
});
}
/// <summary>
/// Deletes a blob from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to delete</param>
/// <returns></returns>
public static async Task <IApiResponse <UserBlobs> > DeleteForcedUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
await blobStorage.DeleteAsync(userBlobs.FilePath);
await dbContext.RemoveAuditedAsync(userBlobs, userId, controllerName, actionName, remoteIpAddress);
var result = await dbContext.SaveChangesAsync();
return(result.TransactionResultApiResponse(userBlobs));
}
/// <summary>
/// Deletes a blob from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to delete</param>
/// <returns></returns>
public static async Task <IApiResponse <UserBlobs> > DeleteUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool IgnoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isBlobOwnerAndFileExists = await dbContext.IsBlobOwnerAndFileExistsAsync(userBlobs, blobStorage, userId, IgnoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (isBlobOwnerAndFileExists.Status == ApiResponseStatus.Failed || !isBlobOwnerAndFileExists.Data)
{
return(new ApiResponse <UserBlobs>()
{
Status = ApiResponseStatus.Failed, Message = isBlobOwnerAndFileExists.Message
});
}
await blobStorage.DeleteAsync(userBlobs.FilePath);
await dbContext.RemoveAuditedAsync(userBlobs, userId, controllerName, actionName, remoteIpAddress);
var result = await dbContext.SaveChangesAsync();
return(result.TransactionResultApiResponse(userBlobs));
}
/// <summary>
/// Read a blob as a stream api response from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to search</param>
/// <returns></returns>
public static async Task <IApiResponse <Stream> > ReadBlobAsStreamApiResponseAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isBlobOwnerAndFileExists = await dbContext.IsBlobOwnerAndFileExistsAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (isBlobOwnerAndFileExists.Status == ApiResponseStatus.Failed || !isBlobOwnerAndFileExists.Data)
{
return(new ApiResponse <Stream>()
{
Status = ApiResponseStatus.Failed, Message = isBlobOwnerAndFileExists.Message
});
}
await dbContext.CreateAuditrailsAsync(userBlobs, "UserBlob was readed as api response", userId, controllerName, actionName, remoteIpAddress);
var stream = await blobStorage.OpenReadAsync(userBlobs.FilePath);
return(new ApiResponse <Stream>()
{
Data = stream, Status = ApiResponseStatus.Succeeded
});
}
/// <summary>
/// Read a blob as stream from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to search</param>
/// <returns></returns>
public static async Task <Stream> ReadBlobAsStreamAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isBlobOwnerAndFileExists = await dbContext.IsBlobOwnerAndFileExistsAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (isBlobOwnerAndFileExists.Status == ApiResponseStatus.Failed || !isBlobOwnerAndFileExists.Data)
{
return(null);
}
await dbContext.CreateAuditrailsAsync(userBlobs, "File was found and read as stream", userId, controllerName, actionName, remoteIpAddress);
return(await blobStorage.OpenReadAsync(userBlobs.FilePath));
}
/// <summary>
/// Read a blob as a file stream result from the storage
/// </summary>
/// <param name="UserBlobs">The user blob to search</param>
/// <returns></returns>
public static async Task <IActionResult> ReadBlobAsFileStreamResult(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isBlobOwnerAndFileExists = await dbContext.IsBlobOwnerAndFileExistsAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (isBlobOwnerAndFileExists.Status == ApiResponseStatus.Failed || !isBlobOwnerAndFileExists.Data)
{
return(isBlobOwnerAndFileExists.ToJson());
}
var stream = await blobStorage.OpenReadAsync(userBlobs.FilePath);
await dbContext.CreateAuditrailsAsync(userBlobs, "UserBlob was readed as file stream result", userId, controllerName, actionName, remoteIpAddress);
var contentType = !string.IsNullOrWhiteSpace(userBlobs.ContentType) ? userBlobs.ContentType : MimeTypes.Application.OctetStream;
return(new FileStreamResult(stream, contentType)
{
FileDownloadName = Path.GetFileName(userBlobs.FileName)
});
}
/// <summary>
/// This is a helper method which tryies to upload a file and bind the userblob to the model property name
/// </summary>
/// <param name="model">The model to bind the result</param>
/// <param name="propertyName">The property name of the model to bind</param>
/// <param name="predicate">The form file field name</param>
/// <param name="formFileRules">The rules for the files</param>
/// <returns></returns>
public static async Task <IApiResponse <Tuple <UserBlobs, UserBlobs> > > UpdateRangeAndBindUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, object model, string propertyName, UserBlobs userBlobs, IFormFileCollection files, Func <IFormFile, bool> predicate, FormFileRules formFileRules, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var blob = await dbContext.UpdateUserBlobsAsync(userBlobs, files, predicate, formFileRules, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
model.GetType().GetProperty(propertyName).SetValue(model, JsonConvert.SerializeObject(blob.Data.Item1));
return(blob);
}
/// <summary>
/// Updates a blob from the storage. Delete the provide userBlob and upload the new file from the http request.
/// </summary>
/// <param name="UserBlobs">The user blob to delete</param>
/// <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 <Tuple <UserBlobs, UserBlobs> > > UpdateUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, UserBlobs userBlobs, IFormFileCollection files, Func <IFormFile, bool> predicate, FormFileRules formFileRules, IBlobStorage blobStorage, string userId, bool ignoreBlobOwner = false, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var addHttpBlobApiResponse = await dbContext.CreateUserBlobsAsync(files, predicate, formFileRules, blobStorage, userId, userBlobs.TableName, controllerName, actionName, remoteIpAddress);
if (addHttpBlobApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <Tuple <UserBlobs, UserBlobs> >()
{
Data = Tuple.Create(addHttpBlobApiResponse.Data, new UserBlobs()), Message = addHttpBlobApiResponse.Message, Status = ApiResponseStatus.Failed
});
}
var deleteBlobApiResponse = await dbContext.DeleteUserBlobsAsync(userBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (addHttpBlobApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <Tuple <UserBlobs, UserBlobs> >()
{
Data = Tuple.Create(addHttpBlobApiResponse.Data, deleteBlobApiResponse.Data), Message = deleteBlobApiResponse.Message, Status = ApiResponseStatus.Failed
});
}
return(new ApiResponse <Tuple <UserBlobs, UserBlobs> > {
Data = Tuple.Create(addHttpBlobApiResponse.Data, deleteBlobApiResponse.Data), Status = ApiResponseStatus.Succeeded
});
}
