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Support for partial queries in catalog search

Browse Source 
The search text in the catalog query is interpreted as partial by
default, but partial query mode can be disabled in C++. The latter
possibility is not exposed via the /catalog/search kiwix-serve endpoint,
though.
This commit is contained in:
Veloman Yunkan
2021-03-10 16:18:43 +04:00
committed by Matthieu Gautier
parent 47c67a4202
commit 09233bf4f3
3 changed files with 11 additions and 4 deletions
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9
src/library.cpp
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@ -296,6 +296,9 @@ Library::BookIdCollection Library::getBooksByTitleOrDescription(const Filter& fi
queryParser.set_default_op(Xapian::Query::OP_AND);
queryParser.add_prefix("title", "S");
queryParser.add_prefix("description", "XD");
const auto partialQueryFlag = filter.queryIsPartial()
? Xapian::QueryParser::FLAG_PARTIAL
: 0;
// Language assumed for the query is not known for sure so stemming
// is not applied
//queryParser.set_stemmer(Xapian::Stem(iso639_3ToXapian.at(???)));
@ -303,7 +306,8 @@ Library::BookIdCollection Library::getBooksByTitleOrDescription(const Filter& fi
const auto flags = Xapian::QueryParser::FLAG_PHRASE
| Xapian::QueryParser::FLAG_BOOLEAN
| Xapian::QueryParser::FLAG_LOVEHATE
| Xapian::QueryParser::FLAG_WILDCARD;
| Xapian::QueryParser::FLAG_WILDCARD
| partialQueryFlag;
const auto query = queryParser.parse_query(filter.getQuery(), flags);
Xapian::Enquire enquire(m_bookDB);
enquire.set_query(query);
@ -561,9 +565,10 @@ Filter& Filter::maxSize(size_t maxSize)
return *this;
}
Filter& Filter::query(std::string query)
Filter& Filter::query(std::string query, bool partial)
{
_query = query;
_queryIsPartial = partial;
activeFilters |= QUERY;
return *this;
}