public string GetPropertyError(ValidationViewModelBase itm, string propertyName)
{
if (!this.propertyGetters.ContainsKey(propertyName))
{
return(string.Empty);
}
var propertyValue = this.propertyGetters[propertyName](itm);
var errormessages = new List <string>();
if (this.validators.ContainsKey(propertyName))
{
errormessages.AddRange(this.validators[propertyName]
.Where(v => !v.IsValid(propertyValue))
.Select(v => v.ErrorMessage));
}
if (this.instanceValidators.ContainsKey(propertyName))
{
errormessages.AddRange(this.instanceValidators[propertyName]
.Where(v => !v.IsValid(itm, propertyValue))
.Select(v => v.ErrorMessage));
}
return(string.Join(Environment.NewLine, errormessages));
}
public int GetValidPropertiesCount(ValidationViewModelBase itm)
{
var query = new List <object>();
query.AddRange(
from validator in this.validators
where validator.Value.All(attribute => attribute.IsValid(this.propertyGetters[validator.Key](itm)))
select validator.Value);
query.AddRange(
from validator in this.instanceValidators
where
validator.Value.All(
attribute => attribute.IsValid(itm, this.propertyGetters[validator.Key](itm)))
select validator.Value);
return(query.Count());
}
public string GetError(ValidationViewModelBase itm)
{
var errors = new List <string>();
errors.AddRange(
from validator in this.validators
from attribute in validator.Value
where !attribute.IsValid(this.propertyGetters[validator.Key](itm))
select attribute.ErrorMessage);
errors.AddRange(
from validator in this.instanceValidators
from attribute in validator.Value
where !attribute.IsValid(itm, this.propertyGetters[validator.Key](itm))
select attribute.ErrorMessage);
errors.AddRange(
from validator in this.classValidators
where !validator.IsValid(itm)
select validator.ErrorMessage);
return(string.Join(Environment.NewLine, errors));
}
