/// <summary>
/// Extracts searchable information from a given data object
/// (including text parts, field values for search results preview and faceted search).
/// </summary>
/// <param name="data">The data item to collect searchable information from.</param>
/// <param name="skipInheritedInterfaces">When <value>true</value>, the inherited properties will not be processed.</param>
public void CrawlData(IData data, bool skipInheritedInterfaces = false)
{
var interfaceType = data.DataSourceId.InterfaceType;
var fields = DataTypeSearchReflectionHelper.GetSearchableFields(interfaceType);
foreach (var field in fields)
{
var propertyInfo = field.Key;
if (skipInheritedInterfaces && propertyInfo.DeclaringType != interfaceType)
{
continue;
}
var fieldProcessor = DataTypeSearchReflectionHelper.GetDataFieldProcessor(propertyInfo);
object value = propertyInfo.GetValue(data);
if (value == null)
{
continue;
}
var attr = field.Value;
// Text indexing
if (attr.IndexText)
{
var textParts = fieldProcessor.GetTextParts(value);
if (textParts != null)
{
_textParts.AddRange(textParts);
}
}
// Field previewing
if (attr.Previewable)
{
var indexValue = fieldProcessor.GetIndexValue(value);
if (indexValue != null)
{
_fieldValues.Add(new KeyValuePair <string, object>(
fieldProcessor.GetDocumentFieldName(propertyInfo),
indexValue));
}
}
// Faceted fields
if (attr.Faceted)
{
string[] facetValues = fieldProcessor.GetFacetValues(value);
if (facetValues != null && facetValues.Length > 0)
{
_facetFieldValues.Add(new KeyValuePair <string, string[]>(
fieldProcessor.GetDocumentFieldName(propertyInfo),
facetValues));
}
}
}
}
/// <summary>
/// Gets the field name for the given data type property
/// </summary>
/// <param name="dataType">The data type.</param>
/// <param name="propertyName">The property name.</param>
/// <returns></returns>
public static string GetFieldName(Type dataType, string propertyName)
{
Verify.ArgumentNotNull(dataType, nameof(dataType));
Verify.ArgumentNotNull(propertyName, nameof(propertyName));
var propertyInfo = dataType.GetProperty(propertyName);
Verify.IsNotNull(propertyInfo, "Type '{0}' does not have a prorety '{1}'", dataType.FullName, propertyName);
var processor = DataTypeSearchReflectionHelper.GetDataFieldProcessor(propertyInfo);
return(processor.GetDocumentFieldName(propertyInfo));
}
/// <summary>
/// Extracts searchable information from a given data object
/// (including text parts, field values for search results preview and faceted search).
/// </summary>
/// <param name="data">The data item to collect searchable information from.</param>
/// <param name="skipInheritedInterfaces">When <value>true</value>, the inherited properties will not be processed.</param>
public void CrawlData(IData data, bool skipInheritedInterfaces = false)
{
var interfaceType = data.DataSourceId.InterfaceType;
var fields = DataTypeSearchReflectionHelper.GetSearchableFields(interfaceType);
if (data is IPage page)
{
_currentPage = page;
}
foreach (var field in fields)
{
var propertyInfo = field.Key;
if (skipInheritedInterfaces && propertyInfo.DeclaringType != interfaceType)
{
continue;
}
var fieldProcessor = DataTypeSearchReflectionHelper.GetDataFieldProcessor(propertyInfo);
object value = propertyInfo.GetValue(data);
if (value == null)
{
continue;
}
var attr = field.Value;
// Text indexing
if (attr.IndexText)
{
var textParts = fieldProcessor.GetTextParts(value);
if (textParts != null)
{
_textParts.AddRange(textParts.SelectMany(ProcessXhtml));
}
}
// Field previewing
if (attr.Previewable)
{
var indexValue = fieldProcessor.GetIndexValue(value);
if (indexValue != null)
{
_fieldValues.Add(new KeyValuePair <string, object>(
fieldProcessor.GetDocumentFieldName(propertyInfo),
indexValue));
}
}
// Faceted fields
if (attr.Faceted)
{
string[] facetValues = fieldProcessor.GetFacetValues(value);
if (facetValues != null && facetValues.Length > 0)
{
_facetFieldValues.Add(new KeyValuePair <string, string[]>(
fieldProcessor.GetDocumentFieldName(propertyInfo),
facetValues));
}
}
}
_extensions?.ForEach(e =>
{
try
{
e.Populate(this, data);
}
catch (Exception ex)
when(!(ex is ThreadAbortException))
{
Log.LogError(nameof(SearchDocumentBuilder), ex);
}
});
}