public MvdPropertyRuleValue(string varDataIndicator, string varDataValue, string varDataComparison)
{
DataIndicator = new DataIndicator(varDataIndicator);
DataComparison = varDataComparison;
DataValue = varDataValue;
}
private DataFragment ExtractRulesValues(IPersistEntity entity, DataIndicatorLookup dataIndicators, AttributeRule[] rules, string prefix)
{
var tmp = new List <DataFragment>();
if (rules == null)
{
return(null);
}
foreach (var attributeRule in rules)
{
// sort out values at current level
// we have an id and indicators require it
if (string.IsNullOrEmpty(attributeRule.RuleID))
{
continue;
}
var storageName = prefix + attributeRule.RuleID;
if (!dataIndicators.Contains(storageName))
{
continue;
}
ExpressMetaProperty retProp;
var value = GetFieldValue(entity, attributeRule.AttributeName, out retProp);
if (retProp == null)
{
// propery not found in class... ignore
//
continue;
}
// set the value
if (dataIndicators.Requires(storageName, DataIndicator.ValueSelectorEnum.Value))
{
DataFragment tF;
if (value is IEnumerable <object> )
{
var asEnum = value as IEnumerable <object>;
tF = new DataFragment(storageName, asEnum);
}
else
{
tF = new DataFragment(storageName, value);
}
tmp.Add(tF);
}
// set the type
//
if (dataIndicators.Requires(storageName, DataIndicator.ValueSelectorEnum.Type))
{
var storName = DataIndicator.GetColumnName(storageName, DataIndicator.ValueSelectorEnum.Type);
tmp.Add(new DataFragment(storName, value.GetType().Name));
}
// set the Size
//
if (dataIndicators.Requires(storageName, DataIndicator.ValueSelectorEnum.Size))
{
var storName = DataIndicator.GetColumnName(storageName, DataIndicator.ValueSelectorEnum.Size);
if (value is IEnumerable <object> )
{
var asEnum = value as IEnumerable <object>;
tmp.Add(new DataFragment(storName, asEnum.Count()));
}
else if (value == null)
{
tmp.Add(new DataFragment(storName, 0));
}
else
{
tmp.Add(new DataFragment(storName, 1)); // there's one entity
}
}
// set Existence
// ReSharper disable once InvertIf // for symmetry in code
//
if (dataIndicators.Requires(storageName, DataIndicator.ValueSelectorEnum.Exists))
{
var storName = DataIndicator.GetColumnName(storageName, DataIndicator.ValueSelectorEnum.Exists);
var storValue = value != null;
if (value != null)
{
storValue = value.ToString().Trim() != "";
}
tmp.Add(new DataFragment(storName, storValue)); // true if not null
}
}
return(DataFragment.Combine(tmp));
}
