public VehicleHasDocumentProofRule(Eligibility_Rule ruleData) {
if (ruleData == null)
throw new ArgumentNullException(nameof(ruleData));
_ruleData = ruleData;
Enum.TryParse(ruleData.Document_Proof_Type_Id.ToString(), out _documentProofType);
}
public IEligibilityRule BuildRule(Eligibility_Rule ruleData) {
if (ruleData == null)
throw new ArgumentNullException(nameof(ruleData));
var typeId = ruleData.Eligibility_Rule_Type_Id;
var ruleType = _eligibilityRepository.GetRuleType(typeId);
if (ruleType != null) {
var ruleTypeName = ruleType.Clr_Type_Name;
var ruleInstance = instantiateRule(ruleTypeName, ruleData);
return ruleInstance;
}
return null;
}
private IEligibilityRule instantiateRule(string ruleTypeName, Eligibility_Rule ruleData) {
try {
// will throw exception if there isn't a class for the given rule type in DB and given assembly and namespace
if (!String.IsNullOrEmpty(ruleTypeName)) {
var type = Type.GetType(PLUGIN_NAMESPACE + "." + ruleTypeName);
if (type != null) {
var objectHandle = Activator.CreateInstance(type, ruleData) as IEligibilityRule;
return objectHandle;
}
}
_log.Warn("Could not create default instance of the rule plugin because TypeName was null or empty or not found");
}
catch (TypeLoadException e) {
_log.Error(e.Message, e);
}
catch (Exception e) {
_log.Error(e.Message, e);
}
return null;
}
public AmountPaidMeetsThresholdRule(Eligibility_Rule ruleData) : this(ruleData.Amount_Paid_Threshold.GetValueOrDefault(0)) {
if (ruleData == null)
throw new ArgumentNullException(nameof(ruleData));
_ruleData = ruleData;
}