private async Task MakeSureAFeatureBitWithThatNameDoesNotExist(FeatureBitEfDefinition definition)
{
var existenceCheck = await DbContext.FeatureBitDefinitions.FirstOrDefaultAsync(fb => fb.Name == definition.Name);
if (existenceCheck != null)
{
throw new DataException($"Cannot add. Feature bit with name '{definition.Name}' already exists.");
}
}
private static void ValidateDefinition(FeatureBitEfDefinition definition)
{
var validationResults = new List <ValidationResult>();
Validator.TryValidateObject(definition, new ValidationContext(definition), validationResults, true);
if (validationResults.Count > 0)
{
var errorStringBuilder = new StringBuilder();
validationResults.ForEach(e => errorStringBuilder.Append(e.ErrorMessage + Environment.NewLine));
throw new InvalidDataException(errorStringBuilder.ToString());
}
}
public async Task <IFeatureBitDefinition> AddAsync(IFeatureBitDefinition definition)
{
FeatureBitEfDefinition newEntity = definition.ToEfDefinition();
ValidateDefinition(newEntity);
await MakeSureAFeatureBitWithThatNameDoesNotExist(newEntity);
var entity = await DbContext.FeatureBitDefinitions.AddAsync(newEntity);
await DbContext.SaveChangesAsync();
return(entity.Entity);
}
