public async Task <ChangedInformationResultModel> AddCriterionsAsync(string positionName, CriterionModel[] criterions)
{
var foundPos = await _positionManager.GetPositionByNameAsync(positionName);
if (foundPos == null)
{
return(new ChangedInformationResultModel {
Success = false, ErrorsMessages = new[] { "Position not found" }
});
}
List <string> errors = new List <string>();
List <EvaluationСriterionModel> critModels = new List <EvaluationСriterionModel>();
List <CriterionToPositionModel> critToPosModels = new List <CriterionToPositionModel>();
// adding new elements in models collections
foreach (var element in criterions)
{
if (!string.IsNullOrEmpty(element.Name))
{
var existCrit = await _dataContext.Criterions.FirstOrDefaultAsync(x => x.CriterionName == element.Name);
var existPair = await _dataContext.CriterionsToPosition.FirstOrDefaultAsync(x =>
(x.CriterionName == element.Name &&
x.Position.PositionName == positionName));
if (existPair == null)
{
if (existCrit == null)
{
existCrit = new EvaluationСriterionModel
{
CriterionName = element.Name,
Weight = element.Weight
};
critModels.Add(existCrit);
}
var newCritToPosModel = new CriterionToPositionModel
{
CriterionName = element.Name,
Position = foundPos,
PositionId = foundPos.PositionId
};
critToPosModels.Add(newCritToPosModel);
}
else
{
errors.Add($"{element.Name} already exist");
}
}
else
{
errors.Add($"{element.Name} is null");
}
}
if (critToPosModels.Count > 0)
{
await _dataContext.CriterionsToPosition.AddRangeAsync(critToPosModels);
if (critModels.Count > 0)
{
await _dataContext.Criterions.AddRangeAsync(critModels);
}
await _dataContext.SaveChangesAsync();
}
else
{
return(new ChangedInformationResultModel {
Success = false, ErrorsMessages = errors
});
}
return(new ChangedInformationResultModel {
Success = true, ErrorsMessages = errors
});
}
