public static ApiResponse <string> IsValidFormFileApiResponse(this IFormFileCollection formFiles, Func <IFormFile, bool> FormBlob, FormFileRules formFileRules)
{
if (formFileRules.AllowedBlobMaxLength <= 0)
{
throw new ArgumentException("The AllowedBlobMaxLength can't be zero or less.");
}
if (formFileRules.AllowedMinimunFiles <= 0)
{
throw new ArgumentException("The AllowedMinimunFiles can't be zero or less.");
}
if (formFileRules.AllowedMaximunFiles <= 0)
{
throw new ArgumentException("The AllowedMaximunFiles can't be zero or less.");
}
var blobs = FormBlob == null ? formFiles : formFiles.Where(FormBlob);
if (!blobs.Any())
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "FileUploadRequired"
});
}
else
{
if (blobs.Count() < formFileRules.AllowedMinimunFiles)
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheCountOfFilesUploadedHasExceededTheMaximunAllowedFiles"
});
}
if (blobs.Count() > formFileRules.AllowedMaximunFiles)
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheCountOfFilesUploadedIsLessThanTheMinimunAllowedFiles"
});
}
foreach (var blob in blobs)
{
if (blob == null || blob.Length == 0)
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "FileUploadRequired", Data = blob.Name
});
}
else if (blob.Length > formFileRules.AllowedBlobMaxLength)
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheFileHasExceededTheLargestSizeAllowed", Data = blob.Name
});
}
else if (formFileRules.AllowedContentTypes != null && formFileRules.AllowedContentTypes.Any() && !formFileRules.AllowedContentTypes.Contains(blob.ContentType))
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheFileDoesNotHaveTheExpectedContentType", Data = blob.Name
});
}
else if (formFileRules.AllowedExtensions != null && formFileRules.AllowedExtensions.Any() && !formFileRules.AllowedExtensions.Contains(Path.GetExtension(blob.FileName)))
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheFileDoesNotHaveTheExpectedExtension", Data = blob.Name
});
}
else if (formFileRules.AllowedContentDispositions != null && formFileRules.AllowedContentDispositions.Any() && !formFileRules.AllowedContentDispositions.Contains(blob.ContentDisposition))
{
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Failed, Message = "TheFileDoesNotHaveTheExpectedContentDisposition", Data = blob.Name
});
}
}
}
return(new ApiResponse <string>()
{
Status = ApiResponseStatus.Succeeded
});
}
public static bool IsValidFormFile(this IFormFileCollection formFiles, Func <IFormFile, bool> FormBlob, FormFileRules formFileRules)
{
return(IsValidFormFileApiResponse(formFiles, FormBlob, formFileRules).Status == ApiResponseStatus.Succeeded);
}
public static ApiResponse <string> IsValidFormFileApiResponse(this IFormFileCollection formFiles, FormFileRules formFileRules)
{
return(IsValidFormFileApiResponse(formFiles, null, formFileRules));
}
/// <summary>
/// Check if a expected file is uploaded with specified file rules if any
/// </summary>
/// <param name="predicate"></param>
/// <param name="formFileRules"></param>
/// <returns></returns>
public static async Task <IApiResponse <bool> > IsFormFileUploadedAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, IFormFileCollection files, Func <IFormFile, bool> predicate, FormFileRules formFileRules, string userId, 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 uploaded", userId, controllerName, actionName, remoteIpAddress);
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Message = "FileIsNullOrEmpty", Data = false
});
}
if (any && formFileRules != null)
{
var isValidFormFileApiResponse = files.IsValidFormFileApiResponse(predicate, formFileRules);
if (isValidFormFileApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Failed, Message = isValidFormFileApiResponse.Message, Data = false
});
}
}
return(new ApiResponse <bool>()
{
Status = ApiResponseStatus.Succeeded, Data = true
});
}
public static bool IsValidFormFile(this IFormFileCollection formFiles, FormFileRules formFileRules)
{
return(IsValidFormFile(formFiles, null, formFileRules));
}
/// <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>
/// This is a helper method which tryies to upload a file/s 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 <IEnumerable <UserBlobs> > > CreateRangeAndBindUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, object model, string propertyName, IFormFileCollection files, Func <IFormFile, bool> predicate, FormFileRules formFileRules, IBlobStorage blobStorage, string userId, string tableName, string controllerName = null, string actionName = null, string remoteIpAddress = null)
{
var isFormFileUploadedApiResponse = await dbContext.IsFormFileUploadedAsync(files, predicate, formFileRules, userId, controllerName, actionName, remoteIpAddress);
if (isFormFileUploadedApiResponse.Status == ApiResponseStatus.Failed || !isFormFileUploadedApiResponse.Data)
{
return(new ApiResponse <IEnumerable <UserBlobs> >()
{
Status = isFormFileUploadedApiResponse.Status, Message = isFormFileUploadedApiResponse.Message
});
}
var blobs = await dbContext.CreateRangeUserBlobsAsync(files, predicate, formFileRules, blobStorage, userId, tableName, controllerName, actionName, remoteIpAddress);
if (blobs.Status == ApiResponseStatus.Failed)
{
return(blobs);
}
model.GetType().GetProperty(propertyName).SetValue(model, JsonConvert.SerializeObject(blobs.Data));
return(blobs);
}
/// <summary>
/// Updates a blob/s from the storage. Delete the provide userBlobs and upload the new files from the http request.
/// </summary>
/// <param name="UserBlobs">The user blob/s 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 <ApiResponse <Tuple <IEnumerable <UserBlobs>, IEnumerable <UserBlobs> > > > UpdateRangeUserBlobsAsync(this BaseDbContext <AuditTrails, ExceptionLogs, UserBlobs> dbContext, IEnumerable <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 tableName = UserBlobs?.FirstOrDefault()?.TableName;
var addMultipleApiResponse = await dbContext.CreateRangeUserBlobsAsync(files, predicate, formFileRules, blobStorage, userId, tableName, controllerName, actionName, remoteIpAddress);
if (addMultipleApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <Tuple <IEnumerable <UserBlobs>, IEnumerable <UserBlobs> > >()
{
Data = Tuple.Create(addMultipleApiResponse.Data, new List <UserBlobs>().AsEnumerable()), Message = addMultipleApiResponse.Message, Status = ApiResponseStatus.Failed
});
}
var deleteMultipleApiResponse = await dbContext.DeleteRangeUserBlobsAsync(UserBlobs, blobStorage, userId, ignoreBlobOwner, controllerName, actionName, remoteIpAddress);
if (deleteMultipleApiResponse.Status == ApiResponseStatus.Failed)
{
return(new ApiResponse <Tuple <IEnumerable <UserBlobs>, IEnumerable <UserBlobs> > >()
{
Data = Tuple.Create(addMultipleApiResponse.Data, deleteMultipleApiResponse.Data), Message = deleteMultipleApiResponse.Message, Status = ApiResponseStatus.Failed
});
}
return(new ApiResponse <Tuple <IEnumerable <UserBlobs>, IEnumerable <UserBlobs> > >()
{
Data = Tuple.Create(addMultipleApiResponse.Data, deleteMultipleApiResponse.Data), Status = ApiResponseStatus.Failed
});
}
/// <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
});
}
