/// <inheritdoc />
protected override string GetMessage(Commands.DeletePk.DeletePk command)
{
if (command == null)
{
return($"expected delete by PK for {_explanation}, but story unexpectedly ends");
}
if (command.EntityType != typeof(T))
{
return
($"expected deleted by PK entity of type {typeof(T).Name} for {_explanation}, but got one of {command.EntityType.Name}");
}
if (command.KeyValues.Length != _primaryKeyObject.Length)
{
return($"expected delete by PK for {_explanation} with key consisting of {_primaryKeyObject.Length} fields, seems that key consists of {command.KeyValues.Length} fields");
}
for (int i = 0; i < _primaryKeyObject.Length; i++)
{
if (!object.Equals(_primaryKeyObject[i], command.KeyValues[i]))
{
if (_primaryKeyObject.Length == 1)
{
return($"key of removed {typeof(T).Name} must be '{_primaryKeyObject[i]}', but actually is '{command.KeyValues[i]}'");
}
else
{
return($"key field #{i} of removed {typeof(T).Name} must be '{_primaryKeyObject[i]}', but actually is '{command.KeyValues[i]}'");
}
}
}
return($"expected delete by PK for {_explanation}, but something went wrong");
}
/// <inheritdoc />
protected override bool IsActuallyValid(Commands.DeletePk.DeletePk command)
{
if (command == null)
{
return(false);
}
if (command.EntityType != typeof(T))
{
return(false);
}
if (_primaryKeyObject.Length != command.KeyValues.Length)
{
return(false);
}
for (int i = 0; i < _primaryKeyObject.Length; i++)
{
if (!object.Equals(_primaryKeyObject[i], command.KeyValues[i]))
{
return(false);
}
}
return(true);
}