public bool ValidateImagesForMember(int userId, IEnumerable <ReportImage> reportImages,
IEnumerable <IFormFile> images)
{
int imagesCount = 0;
long userReportImagesSize = 0;
reportImages.Where(ri => ri.UserId == userId).ToList()
.ForEach(ri => (imagesCount, userReportImagesSize) = (imagesCount + 1,
userReportImagesSize + ri.Size));
foreach (var image in images)
{
if (userReportImagesSize + image.Length <= Constants.MaximumReportImagesSizePerUser)
{
imagesCount += (int)Math.Ceiling(image.Length / (decimal)Constants.MaximumReportImageSize);
}
else
{
return(false);
}
if (imagesCount > Constants.MaximumReportImagesCountPerUser)
{
throw new UploadFileException(
ValidatorMessages.MaxFilesCountValidatorMessage(Constants.MaximumReportImagesCountPerUser));
}
}
return(true);
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var files = value as List <IFormFile>;
if (files?.Count > maxFilesCount)
{
return(new ValidationResult(ValidatorMessages.MaxFilesCountValidatorMessage(maxFilesCount)));
}
return(ValidationResult.Success);
}
public static IRuleBuilderOptions <T, TElement> MaxFilesCountIs <T, TElement>(this IRuleBuilderOptions <T, TElement> ruleBuilder, int maxFilesCount) => ruleBuilder.Must(files => (files as List <IFormFile>) == null ? true : (files as List <IFormFile>).Count <= maxFilesCount).WithMessage(ValidatorMessages.MaxFilesCountValidatorMessage(maxFilesCount));