public SearchQuery(IFieldQualifier fields, IValueFieldQualifier valueMap, IPredicateFieldQualifier predicateMap, IOperationFieldQualifier operationMap)
{
Fields = fields ?? throw new ArgumentNullException(nameof(fields));
ValueMap = valueMap ?? throw new ArgumentNullException(nameof(valueMap));
PredicateMap = predicateMap ?? throw new ArgumentNullException(nameof(predicateMap));
OperationMap = operationMap ?? throw new ArgumentNullException(nameof(operationMap));
}
public static IReadOnlyLogbook Predicate <TModel>(this TModel model, IFieldQualifier <TModel> fieldQualifier, IPredicateFieldQualifier <TModel> predicateFieldQualifier, out IEnumerable <Field> fields) where TModel : class, IModel, new()
{
ILogbook logs = Logger.NewLogbook();
if (fieldQualifier.Build <TModel>(out fields))
{
IReadOnlyDictionary <Field, ReadOnlyLogbookPredicate <object> > fieldPredicateMap = predicateFieldQualifier;
Type modelType = typeof(TModel);
foreach (Field field in fields)
{
if (fieldPredicateMap.TryGetValue(field, out ReadOnlyLogbookPredicate <object> predicate))
{
if (predicate != null)
{
PropertyInfo modelProperty = modelType.GetProperty(field.Name);
if (modelProperty is null)
{
throw new PropertyNotFoundException($"{field.Name} named property could not found in {modelType.FullName}");
}
object value = modelProperty.GetValue(model);
logs.AddRange(predicate.Invoke(value));
}
}
}
}
else
{
Type modelType = typeof(TModel);
foreach (KeyValuePair <Field, ReadOnlyLogbookPredicate <object> > fieldPredicatePair in predicateFieldQualifier)
{
Field field = fieldPredicatePair.Key;
ReadOnlyLogbookPredicate <object> predicate = fieldPredicatePair.Value;
if (predicate is null)
{
continue;
}
PropertyInfo modelProperty = modelType.GetProperty(field.Name);
if (modelProperty is null)
{
throw new PropertyNotFoundException($"{field.Name} named property could not found in {modelType.FullName}");
}
object value = modelProperty.GetValue(model);
logs.AddRange(predicate.Invoke(value));
}
}
return(logs);
}
public ModelQuery(IFieldQualifier fields, IValueFieldQualifier valueMap, IPredicateFieldQualifier predicateMap)
{
Fields = fields ?? throw new ArgumentNullException(nameof(fields));
ValueMap = valueMap ?? throw new ArgumentNullException(nameof(valueMap));
PredicateMap = predicateMap ?? throw new ArgumentNullException(nameof(predicateMap));
}