private async Task <string> GetImageFromConfig(int code)
{
string result = string.Empty;
MtdConfigFile configFile = await _context.MtdConfigFiles.FindAsync(code);
if (configFile != null && configFile.FileData != null)
{
string base64 = Convert.ToBase64String(configFile.FileData);
result = string.Format("data:{0};base64,{1}", configFile.FileType, base64);
}
return(result);
}
private async Task SaveImg(int code)
{
string idCheckBox = $"{code}-delete";
if (Request.Form[idCheckBox].FirstOrDefault() == null || Request.Form[idCheckBox].FirstOrDefault() == "false")
{
string idInput = $"{code}-file-upload-input";
IFormFile file = Request.Form.Files.FirstOrDefault(x => x.Name == idInput);
if (file != null)
{
byte[] streamArray = new byte[file.Length];
await file.OpenReadStream().ReadAsync(streamArray, 0, streamArray.Length);
MtdConfigFile imgConfig = new MtdConfigFile()
{
Id = code,
Name = code == 1 ? "Image for menu" : "Image for AppBar",
FileData = streamArray,
FileSize = streamArray.Length,
FileType = file.ContentType
};
bool exists = await _context.MtdConfigFiles.Where(x => x.Id == code).AnyAsync();
if (exists)
{
_context.Attach(imgConfig).State = EntityState.Modified;
}
else
{
_context.Attach(imgConfig).State = EntityState.Added;
}
}
}
else
{
MtdConfigFile header = new MtdConfigFile()
{
Id = code
};
_context.Attach(header).State = EntityState.Deleted;
}
}
