public override IFacet CreateFacet(FacetMoniker moniker)
{
try
{
var ci = ContactInfo.FromXml(moniker.FactoryData);
return(new ContactFacet(ci.DisplayName, ci.Email));
}
catch (Exception)
{
return(null);
}
}
public override bool CanCreateFacet(FacetMoniker moniker)
{
try
{
// TODO: this is not fast
ContactInfo.FromXml(moniker.FactoryData);
return(true);
}
catch (Exception)
{
}
return(false);
}
protected override IEnumerable <ParseResult> ParseImpl(ParseInput input, IEnumerable <FacetMoniker> indexEntries)
{
foreach (var entry in indexEntries)
{
var ci = ContactInfo.FromXml(entry.FactoryData);
var relevance = 0.0;
ParseRange firstNameRange = null;
ParseRange lastNameRange = null;
ParseRange emailRange = null;
foreach (var term in input.Terms)
{
if (firstNameRange == null)
{
if (ApplyRelevance(ref relevance, ci.FirstName, term.TextLower) > 0)
{
firstNameRange = term.Range;
continue;
}
}
if (lastNameRange == null)
{
if (ApplyRelevance(ref relevance, ci.LastName, term.TextLower) > 0)
{
lastNameRange = term.Range;
continue;
}
}
if (emailRange == null)
{
if (ApplyRelevance(ref relevance, ci.Email, term.TextLower) > 0)
{
emailRange = term.Range;
continue;
}
}
}
if (relevance == 0.0 ||
((firstNameRange != null && lastNameRange != null) &&
lastNameRange.StartIndex <= firstNameRange.StartIndex))
{
continue;
}
// determine the input range that caused the match
ParseRange range;
if (firstNameRange != null)
{
if (lastNameRange != null)
{
range = firstNameRange.Union(lastNameRange);
}
else
{
range = firstNameRange;
}
}
else if (lastNameRange != null)
{
range = lastNameRange;
}
else
{
range = emailRange;
}
yield return(new ParseResult(input, range, entry, relevance));
}
}