public void Validate(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute)
{
if (!IsValid(entity, property, attribute))
{
entity.Validator.AddFailure(property.Name, attribute);
}
}
public void Validate(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute)
{
if (!IsValid(entity, property, attribute))
{
entity.Validator.AddFailure(property.Name, attribute);
}
}
public override bool IsValid(IEntity entity, System.Reflection.PropertyInfo property, IValidatePropertyAttribute attribute)
{
object value = property.GetValue(entity, null);
if (property.PropertyType == typeof(string))
return (string)value != String.Empty;
else
return value != null;
// TODO: Add support for more types such as
// int, DateTime, Guid, etc.
}
public void Test_IsValid_False_String()
{
MockRequiredEntity entity = new MockRequiredEntity();
ValidateRequiredStrategy strategy = new ValidateRequiredStrategy();
PropertyInfo property = entity.GetType().GetProperty("TestProperty");
object[] objs = property.GetCustomAttributes(typeof(RequiredAttribute), true);
IValidatePropertyAttribute attribute = (IValidatePropertyAttribute)objs[0];
bool isValid = strategy.IsValid(entity, property, attribute);
Assert.IsFalse(isValid, "Returned true when it should have been false.");
}
/// <summary>
/// Checks whether the specified property of the provided entity is unique.
/// </summary>
/// <param name="entity">The entity to validate by checking whether the provided property value is unique.</param>
/// <param name="property">The property that is to remain unique.</param>
/// <param name="attribute">The validate property attribute that caused the validation.</param>
/// <returns>A value to indicate whether the provided value is unique to the provided property.</returns>
public override bool IsValid(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute)
{
bool isTaken = false;
using (LogGroup logGroup = LogGroup.StartDebug("Validating the provided entity by ensuring the specified property value is unique."))
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
if (property == null)
{
throw new ArgumentNullException("property");
}
LogWriter.Debug("Property name: " + property.Name);
LogWriter.Debug("Entity: " + entity.GetType().FullName);
IRetrieveStrategy strategy = RetrieveStrategy.New(entity.ShortTypeName, false);
object propertyValue = property.GetValue(entity, null);
LogWriter.Debug("Property value: " + (propertyValue != null ? propertyValue.ToString() : String.Empty));
IEntity existingEntity = (IEntity)strategy.Retrieve(property.Name, propertyValue);
LogWriter.Debug("Existing entity found: " + (existingEntity != null).ToString());
LogWriter.Debug("Provided entity ID: " + entity.ID.ToString());
LogWriter.Debug("Existing entity ID: " + (existingEntity == null ? "[null]" : existingEntity.ID.ToString()));
isTaken = (existingEntity != null && !existingEntity.ID.Equals(entity.ID));
LogWriter.Debug("Is taken: " + isTaken);
}
return(!isTaken);
}
/// <summary>
/// Checks whether the specified property of the provided entity is unique.
/// </summary>
/// <param name="entity">The entity to validate by checking whether the provided property value is unique.</param>
/// <param name="property">The property that is to remain unique.</param>
/// <param name="attribute">The validate property attribute that caused the validation.</param>
/// <returns>A value to indicate whether the provided value is unique to the provided property.</returns>
public override bool IsValid(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute)
{
bool isTaken = false;
using (LogGroup logGroup = LogGroup.StartDebug("Validating the provided entity by ensuring the specified property value is unique."))
{
if (entity == null)
throw new ArgumentNullException("entity");
if (property == null)
throw new ArgumentNullException("property");
LogWriter.Debug("Property name: " + property.Name);
LogWriter.Debug("Entity: " + entity.GetType().FullName);
IRetrieveStrategy strategy = RetrieveStrategy.New(entity.ShortTypeName, false);
object propertyValue = property.GetValue(entity, null);
LogWriter.Debug("Property value: " + (propertyValue != null ? propertyValue.ToString() : String.Empty));
IEntity existingEntity = (IEntity)strategy.Retrieve(property.Name, propertyValue);
LogWriter.Debug("Existing entity found: " + (existingEntity != null).ToString());
LogWriter.Debug("Provided entity ID: " + entity.ID.ToString());
LogWriter.Debug("Existing entity ID: " + (existingEntity == null ? "[null]" : existingEntity.ID.ToString()));
isTaken = (existingEntity != null && !existingEntity.ID.Equals(entity.ID));
LogWriter.Debug("Is taken: " + isTaken);
}
return !isTaken;
}
public override bool IsValid(IEntity entity, System.Reflection.PropertyInfo property, IValidatePropertyAttribute attribute)
{
object value = property.GetValue(entity, null);
if (property.PropertyType == typeof(string))
{
return((string)value != String.Empty);
}
else
{
return(value != null);
}
// TODO: Add support for more types such as
// int, DateTime, Guid, etc.
}
/// <summary>
/// Adds the provided property name and attribute type to the list of validation failures.
/// </summary>
/// <param name="propertyName"></param>
/// <param name="attribute"></param>
public void AddFailure(string propertyName, IValidatePropertyAttribute attribute, Dictionary<string, IValidatePropertyAttribute> failures)
{
failures[propertyName + "_" + attribute.ValidatorName] = attribute;
}
/// <summary>
/// Adds the provided property name and attribute type to the list of validation failures.
/// </summary>
/// <param name="propertyName"></param>
/// <param name="attribute"></param>
public void AddFailure(string propertyName, IValidatePropertyAttribute attribute)
{
AddFailure(propertyName, attribute, Failures);
}
public abstract bool IsValid(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute);
/// <summary>
/// Adds the provided property name and attribute type to the list of validation failures.
/// </summary>
/// <param name="propertyName"></param>
/// <param name="attribute"></param>
public void AddFailure(string propertyName, IValidatePropertyAttribute attribute, Dictionary <string, IValidatePropertyAttribute> failures)
{
failures[propertyName + "_" + attribute.ValidatorName] = attribute;
}
/// <summary>
/// Adds the provided property name and attribute type to the list of validation failures.
/// </summary>
/// <param name="propertyName"></param>
/// <param name="attribute"></param>
public void AddFailure(string propertyName, IValidatePropertyAttribute attribute)
{
AddFailure(propertyName, attribute, Failures);
}
public abstract bool IsValid(IEntity entity, PropertyInfo property, IValidatePropertyAttribute attribute);
