mirror of
https://github.com/go-gitea/gitea
synced 2024-11-17 23:54:25 +00:00
121 lines
2.9 KiB
Go
121 lines
2.9 KiB
Go
|
// Copyright 2012-present Oliver Eilhard. All rights reserved.
|
||
|
|
// Use of this source code is governed by a MIT-license.
|
||
|
|
// See http://olivere.mit-license.org/license.txt for details.
|
||
|
|
|
||
|
|
package elastic
|
||
|
|
|
||
|
|
// FuzzyQuery uses similarity based on Levenshtein edit distance for
|
||
|
|
// string fields, and a +/- margin on numeric and date fields.
|
||
|
|
//
|
||
|
|
// For more details, see
|
||
|
|
// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/query-dsl-fuzzy-query.html
|
||
|
|
type FuzzyQuery struct {
|
||
|
|
name string
|
||
|
|
value interface{}
|
||
|
|
boost *float64
|
||
|
|
fuzziness interface{}
|
||
|
|
prefixLength *int
|
||
|
|
maxExpansions *int
|
||
|
|
transpositions *bool
|
||
|
|
rewrite string
|
||
|
|
queryName string
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewFuzzyQuery creates a new fuzzy query.
|
||
|
|
func NewFuzzyQuery(name string, value interface{}) *FuzzyQuery {
|
||
|
|
q := &FuzzyQuery{
|
||
|
|
name: name,
|
||
|
|
value: value,
|
||
|
|
}
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
// Boost sets the boost for this query. Documents matching this query will
|
||
|
|
// (in addition to the normal weightings) have their score multiplied by
|
||
|
|
// the boost provided.
|
||
|
|
func (q *FuzzyQuery) Boost(boost float64) *FuzzyQuery {
|
||
|
|
q.boost = &boost
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
// Fuzziness can be an integer/long like 0, 1 or 2 as well as strings
|
||
|
|
// like "auto", "0..1", "1..4" or "0.0..1.0".
|
||
|
|
func (q *FuzzyQuery) Fuzziness(fuzziness interface{}) *FuzzyQuery {
|
||
|
|
q.fuzziness = fuzziness
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *FuzzyQuery) PrefixLength(prefixLength int) *FuzzyQuery {
|
||
|
|
q.prefixLength = &prefixLength
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *FuzzyQuery) MaxExpansions(maxExpansions int) *FuzzyQuery {
|
||
|
|
q.maxExpansions = &maxExpansions
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *FuzzyQuery) Transpositions(transpositions bool) *FuzzyQuery {
|
||
|
|
q.transpositions = &transpositions
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
func (q *FuzzyQuery) Rewrite(rewrite string) *FuzzyQuery {
|
||
|
|
q.rewrite = rewrite
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
// QueryName sets the query name for the filter that can be used when
|
||
|
|
// searching for matched filters per hit.
|
||
|
|
func (q *FuzzyQuery) QueryName(queryName string) *FuzzyQuery {
|
||
|
|
q.queryName = queryName
|
||
|
|
return q
|
||
|
|
}
|
||
|
|
|
||
|
|
// Source returns JSON for the function score query.
|
||
|
|
func (q *FuzzyQuery) Source() (interface{}, error) {
|
||
|
|
// {
|
||
|
|
// "fuzzy" : {
|
||
|
|
// "user" : {
|
||
|
|
// "value" : "ki",
|
||
|
|
// "boost" : 1.0,
|
||
|
|
// "fuzziness" : 2,
|
||
|
|
// "prefix_length" : 0,
|
||
|
|
// "max_expansions" : 100
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
|
||
|
|
source := make(map[string]interface{})
|
||
|
|
query := make(map[string]interface{})
|
||
|
|
source["fuzzy"] = query
|
||
|
|
|
||
|
|
fq := make(map[string]interface{})
|
||
|
|
query[q.name] = fq
|
||
|
|
|
||
|
|
fq["value"] = q.value
|
||
|
|
|
||
|
|
if q.boost != nil {
|
||
|
|
fq["boost"] = *q.boost
|
||
|
|
}
|
||
|
|
if q.transpositions != nil {
|
||
|
|
fq["transpositions"] = *q.transpositions
|
||
|
|
}
|
||
|
|
if q.fuzziness != nil {
|
||
|
|
fq["fuzziness"] = q.fuzziness
|
||
|
|
}
|
||
|
|
if q.prefixLength != nil {
|
||
|
|
fq["prefix_length"] = *q.prefixLength
|
||
|
|
}
|
||
|
|
if q.maxExpansions != nil {
|
||
|
|
fq["max_expansions"] = *q.maxExpansions
|
||
|
|
}
|
||
|
|
if q.rewrite != "" {
|
||
|
|
fq["rewrite"] = q.rewrite
|
||
|
|
}
|
||
|
|
if q.queryName != "" {
|
||
|
|
fq["_name"] = q.queryName
|
||
|
|
}
|
||
|
|
|
||
|
|
return source, nil
|
||
|
|
}
|