public ActionResult ImportThemeFromFile(ImportThemeViewModel vm)
{
if (!ModelState.IsValid)
{
return(SiteErrorHandler.GetBadRequestActionResult(ModelState));
}
// Check if the theme name is already in use.
if (_themeRepository.IsThemeNameAlreadyInUse(0, vm.Name))
{
return(SiteErrorHandler.GetBadRequestActionResult($"The theme name {vm.Name} is already in use.", nameof(vm.Name)));
}
// Check if the file type is correct.
if (vm.FileToUse.ContentType != "application/json")
{
return(SiteErrorHandler.GetBadRequestActionResult("File must be .json", ""));
}
// Check if the file has any content.
if (vm.FileToUse.ContentLength == 0)
{
return(SiteErrorHandler.GetBadRequestActionResult("File is empty", ""));
}
List <ThemeVariableValueModel> variables;
// Read the file and convert the json to a theme variable value collection.
try
{
var b = new System.IO.BinaryReader(vm.FileToUse.InputStream);
byte[] binData = b.ReadBytes(vm.FileToUse.ContentLength);
string result = System.Text.Encoding.UTF8.GetString(binData);
variables = _themeService.ConvertJsonToThemeVariableValues(result);
}
catch (Exception ex)
{
return(SiteErrorHandler.GetBadRequestActionResult(ex.Message, ""));
}
// Check if there are any values inside the file.
if (variables == null || !variables.Any())
{
return(SiteErrorHandler.GetBadRequestActionResult("Imported theme did not have any values", ""));
}
// Import the theme.
int themeId = _themeRepository.ImportTheme(vm.Name, variables);
return(Json(new { message = "<strong>Success</strong>: Theme has been created.", themeId }));
}