/// <summary>
/// Validate the property value.
/// </summary>
/// <param name="context">The <see cref="PropertyContext{TEntity, TProperty}"/>.</param>
public override Task ValidateAsync(PropertyContext <TEntity, TProperty> context)
{
// Do not validate where the compare to property has an error.
var ctx = Beef.Check.NotNull(context, nameof(context));
if (ctx.Parent.HasError(_compareTo))
{
return(Task.CompletedTask);
}
// Convert type and compare values.
try
{
var compareToValue = (TProperty)(object)_compareTo.GetValue(context.Parent.Value) !;
if (!Compare(ctx.Value !, compareToValue))
{
CreateErrorMessage(context, _compareToText ?? _compareTo.Text);
}
return(Task.CompletedTask);
}
catch (InvalidCastException icex)
{
throw new InvalidCastException($"Property '{_compareTo.Name}' and '{ctx.Name}' are incompatible: {icex.Message}", icex);
}
}
/// <summary>
/// Validates an entity given a <see cref="ValidationContext{TEntity}"/>.
/// </summary>
/// <param name="context">The <see cref="ValidationContext{TEntity}"/>.</param>
public void Validate(ValidationContext <TEntity> context)
{
Check.NotNull(context, nameof(context));
if (context.Value == null)
{
return;
}
// Where validating a specific property then make sure the names match.
if (context.SelectedPropertyName != null && context.SelectedPropertyName != Name)
{
return;
}
// Ensure that the property does not already have an error.
if (context.HasError(_property))
{
return;
}
// Get the property value and create the property context.
var value = _property.GetValue(context.Value);
var ctx = new PropertyContext <TEntity, TProperty>(context, value, this.Name, this.JsonName, this.Text);
// Run the rules.
Invoke(ctx);
}
/// <summary>
/// Validate the property value.
/// </summary>
/// <param name="context">The <see cref="PropertyContext{TEntity, TProperty}"/>.</param>
public override void Validate(PropertyContext <TEntity, TProperty> context)
{
// Do not validate where the compare to property has an error.
Beef.Check.NotNull(context, nameof(context));
if (context.Parent.HasError(_compareTo))
{
return;
}
// Convert type and compare values.
try
{
var compareToValue = (TProperty)(object)_compareTo.GetValue(context.Parent.Value);
#pragma warning disable CA1062 // Validate arguments of public methods; by-design, null check already performed.
if (!Compare(context.Value, compareToValue))
{
CreateErrorMessage(context, _compareToText ?? _compareTo.Text);
}
#pragma warning restore CA1062
}
catch (InvalidCastException icex)
{
throw new InvalidCastException($"Property '{_compareTo.Name}' and '{context.Name}' are incompatible: {icex.Message}", icex);
}
}
/// <summary>
/// Checks the clause.
/// </summary>
/// <param name="context">The <see cref="PropertyContext{TEntity, TProperty}"/>.</param>
/// <returns><c>true</c> where validation is to continue; otherwise, <c>false</c> to stop.</returns>
public bool Check(IPropertyContext context)
{
// Do not continue where the depends on property is in error.
if (context.Parent.HasError(context.CreateFullyQualifiedPropertyName(_dependsOn.Name)))
{
return(false);
}
// Check depends on value to continue.
object value = _dependsOn.GetValue((TEntity)context.Parent.Value);
return(!(System.Collections.Comparer.Default.Compare(value, default(TProperty)) == 0));
}
/// <summary>
/// Validate the property value.
/// </summary>
/// <param name="context">The <see cref="PropertyContext{TEntity, TProperty}"/>.</param>
public override void Validate(PropertyContext <TEntity, TProperty> context)
{
// Do not validate where the compare to property has an error.
if (context.Parent.HasError(_compareTo))
{
return;
}
// Convert type and compare values.
try
{
var compareToValue = (TProperty)(object)_compareTo.GetValue(context.Parent.Value);
if (!Compare(context.Value, compareToValue))
{
CreateErrorMessage(context, _compareToText ?? _compareTo.Text);
}
}
catch (InvalidCastException icex)
{
throw new InvalidCastException($"Property '{_compareTo.Name}' and '{context.Name}' are incompatible: {icex.Message}", icex);
}
}
public string this[string propertyName] =>
(string)PropertyExpression <StyleMap> .GetValue(this,
propertyName.First().ToString().ToUpper() + propertyName.Substring(1).ToLower());
/// <summary>
/// Gets the friendly text and value for a property expression.
/// </summary>
private object[] GetTextAndValue <TProperty>(PropertyExpression <TEntity, TProperty> propertyExpression)
{
return(new object[] { propertyExpression.Text, propertyExpression.GetValue(Value) });
}
