/// <summary>
/// Returns true if the input signal doesn't match with this rule.
/// </summary>
/// <param name="input">The input signal.</param>
/// <returns>
/// <c>true</c> if the input signal doesn't match with this rule; otherwise, <c>false</c>.
/// </returns>
public bool IsValid(SignalData input)
{
bool result = true;
if (input != null)
{
if (Signal == input.Signal && ValueType.ToLowerInvariant() == input.ValueType.ToLowerInvariant())// && Value.GetType() == input.Value.GetType())
{
switch (ComparisonType)
{
case "Equal":
result = (input.Value == Value);
break;
case "NotEqual":
result = (input.Value != Value);
break;
case "GreaterThan":
result = (input.Value > Value);
break;
case "GreaterThanOrEqual":
result = (input.Value >= Value);
break;
case "LessThan":
result = (input.Value < Value);
break;
case "LessThanOrEqual":
result = (input.Value <= Value);
break;
default:
return(result);
}
}
}
return(result);
}
/// <summary>
/// Parses the specified JSON input.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="invalidSignals">The invalid signals.</param>
/// <param name="rules">The rules.</param>
/// <returns>
/// Returns a list of invalid signals according to the rules.
/// </returns>
/// <exception cref="ArgumentNullException">input</exception>
public List <SignalData> TryParse(string input, params IRule[] rules)
{
var invalidSignals = new List <SignalData>();
try
{
if (string.IsNullOrEmpty(input))
{
throw new ArgumentNullException("input");
}
foreach (var signal in input.Split(Constants.ObjectEnd))
{
var elements = signal.Split(new[] { Constants.ElementSeparator }, StringSplitOptions.RemoveEmptyEntries);
if (elements.Length == 3) // Signal, Value and ValueType
{
string parsedSignal = string.Empty, parsedValue = string.Empty, parsedValueType = string.Empty;
foreach (var element in elements)
{
if (!string.IsNullOrWhiteSpace(element))
{
int indexOfObjectSeparator = element.IndexOf(Constants.ObjectSeparator);
string fieldName = element.Substring(0, indexOfObjectSeparator);
string fieldValue = element.Substring(indexOfObjectSeparator + 1);
if (!string.IsNullOrWhiteSpace(fieldName) && !string.IsNullOrWhiteSpace(fieldValue))
{
fieldName = fieldName.ToLowerInvariant().Split(Constants.ObjectWrapper)[1];
fieldValue = fieldValue.Split(Constants.ObjectWrapper)[1];
switch (fieldName.ToLowerInvariant())
{
case fieldSignalName:
parsedSignal = fieldValue;
continue;
case fieldValueTypeName:
if (fieldValue == "Integer")
{
parsedValueType = "Decimal";
}
else if (fieldValue == "String")
{
parsedValueType = "String";
}
else
{
parsedValueType = "DateTime";
}
continue;
case fieldValueName:
parsedValue = fieldValue;
continue;
default:
break;
}
}
}
}
var typeInfo = Type.GetType($"System.{parsedValueType}");
dynamic value = null;
if (typeInfo != null)
{
value = Convert.ChangeType(parsedValue, typeInfo);
}
else
{
value = parsedValue;
}
var signalData = new SignalData(parsedSignal, value, parsedValueType);
foreach (var rule in rules)
{
if (!rule.IsValid(signalData))
{
invalidSignals.Add(signalData); // Add to invalid signal list
break;
}
}
}
}
return(invalidSignals);
}
catch (Exception)
{
throw;
}
}