QStringList FaceDatabaseProvider::resolveContact(QString &contactUrn)
{
static QSparqlQuery query("SELECT\n"
" tracker:coalesce(fn:concat(nco:nameGiven(?:contact), \" \",\n"
" nco:nameFamily(?:contact)),\n"
" nco:nameGiven(?:contact),\n"
" nco:nickname(?:contact),\n"
" nco:nameFamily(?:contact),\n"
" nco:fullname(?:contact)\n"
" )\n"
" ?photoUrl \n"
"WHERE {\n"
" ?:contact rdf:type nco:PersonContact .\n"
" OPTIONAL {\n"
" ?:contact nco:photo ?photoUrn .\n"
" ?photoUrn nie:url ?photoUrl .\n"
" }\n"
"}\n");
query.bindValue("contact", QUrl(contactUrn));
QSparqlResult *result = m_sparqlConnection->syncExec(query);
if (result->hasError() || !result->first()) {
delete result;
return QStringList();
} else {
QStringList stringResult;
stringResult << result->value(0).toString() << result->value(1).toString();
delete result;
return stringResult;
}
}
int FaceDatabaseProvider::countImages(QList<XQFaceRegion> regions)
{
QString sparqlSentence("SELECT\n"
" COUNT(?urn)\n"
"WHERE {\n"
" ?urn rdf:type nfo:Visual ;\n"
" tracker:available \"true\"^^xsd:boolean .\n"
" FILTER(?urn IN (%1) ).\n"
"}\n");
QString urnList;
QListIterator<XQFaceRegion> iter(regions);
while (iter.hasNext()) {
urnList += "<" + iter.next().sourceId() + ">";
if (iter.hasNext()) {
urnList += " , ";
}
}
QSparqlQuery query = QSparqlQuery(sparqlSentence.arg(urnList));
int count = 0;
QSparqlResult *result = m_sparqlConnection->syncExec(query);
if (!result->hasError() && result->first()) {
count = result->value(0).toInt();
}
delete result;
return count;
}
