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gitea/vendor/github.com/olivere/elastic/v7/suggester_term.go
6543 12a1f914f4
Vendor Update Go Libs (#13166)
* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1

* github.com/blevesearch/bleve v1.0.10 -> v1.0.12

* editorconfig-core-go v2.1.1 -> v2.3.7

* github.com/gliderlabs/ssh v0.2.2 -> v0.3.1

* migrate editorconfig.ParseBytes to Parse

* github.com/shurcooL/vfsgen to 0d455de96546

* github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0

* github.com/google/uuid v1.1.1 -> v1.1.2

* github.com/huandu/xstrings v1.3.0 -> v1.3.2

* github.com/klauspost/compress v1.10.11 -> v1.11.1

* github.com/markbates/goth v1.61.2 -> v1.65.0

* github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4

* github.com/mholt/archiver v3.3.0 -> v3.3.2

* github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4

* github.com/minio/minio-go v7.0.4 -> v7.0.5

* github.com/olivere/elastic v7.0.9 -> v7.0.20

* github.com/urfave/cli v1.20.0 -> v1.22.4

* github.com/prometheus/client_golang v1.1.0 -> v1.8.0

* github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1

* mvdan.cc/xurls v2.1.0 -> v2.2.0

Co-authored-by: Lauris BH <lauris@nix.lv>
2020-10-16 01:06:27 -04:00

234 lines
5.3 KiB
Go
Vendored

// 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
// TermSuggester suggests terms based on edit distance.
// For more details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-suggesters-term.html.
type TermSuggester struct {
Suggester
name string
text string
field string
analyzer string
size *int
shardSize *int
contextQueries []SuggesterContextQuery
// fields specific to term suggester
suggestMode string
accuracy *float64
sort string
stringDistance string
maxEdits *int
maxInspections *int
maxTermFreq *float64
prefixLength *int
minWordLength *int
minDocFreq *float64
}
// NewTermSuggester creates a new TermSuggester.
func NewTermSuggester(name string) *TermSuggester {
return &TermSuggester{
name: name,
}
}
func (q *TermSuggester) Name() string {
return q.name
}
func (q *TermSuggester) Text(text string) *TermSuggester {
q.text = text
return q
}
func (q *TermSuggester) Field(field string) *TermSuggester {
q.field = field
return q
}
func (q *TermSuggester) Analyzer(analyzer string) *TermSuggester {
q.analyzer = analyzer
return q
}
func (q *TermSuggester) Size(size int) *TermSuggester {
q.size = &size
return q
}
func (q *TermSuggester) ShardSize(shardSize int) *TermSuggester {
q.shardSize = &shardSize
return q
}
func (q *TermSuggester) ContextQuery(query SuggesterContextQuery) *TermSuggester {
q.contextQueries = append(q.contextQueries, query)
return q
}
func (q *TermSuggester) ContextQueries(queries ...SuggesterContextQuery) *TermSuggester {
q.contextQueries = append(q.contextQueries, queries...)
return q
}
func (q *TermSuggester) SuggestMode(suggestMode string) *TermSuggester {
q.suggestMode = suggestMode
return q
}
func (q *TermSuggester) Accuracy(accuracy float64) *TermSuggester {
q.accuracy = &accuracy
return q
}
func (q *TermSuggester) Sort(sort string) *TermSuggester {
q.sort = sort
return q
}
func (q *TermSuggester) StringDistance(stringDistance string) *TermSuggester {
q.stringDistance = stringDistance
return q
}
func (q *TermSuggester) MaxEdits(maxEdits int) *TermSuggester {
q.maxEdits = &maxEdits
return q
}
func (q *TermSuggester) MaxInspections(maxInspections int) *TermSuggester {
q.maxInspections = &maxInspections
return q
}
func (q *TermSuggester) MaxTermFreq(maxTermFreq float64) *TermSuggester {
q.maxTermFreq = &maxTermFreq
return q
}
func (q *TermSuggester) PrefixLength(prefixLength int) *TermSuggester {
q.prefixLength = &prefixLength
return q
}
func (q *TermSuggester) MinWordLength(minWordLength int) *TermSuggester {
q.minWordLength = &minWordLength
return q
}
func (q *TermSuggester) MinDocFreq(minDocFreq float64) *TermSuggester {
q.minDocFreq = &minDocFreq
return q
}
// termSuggesterRequest is necessary because the order in which
// the JSON elements are routed to Elasticsearch is relevant.
// We got into trouble when using plain maps because the text element
// needs to go before the term element.
type termSuggesterRequest struct {
Text string `json:"text"`
Term interface{} `json:"term"`
}
// Source generates the source for the term suggester.
func (q *TermSuggester) Source(includeName bool) (interface{}, error) {
// "suggest" : {
// "my-suggest-1" : {
// "text" : "the amsterdma meetpu",
// "term" : {
// "field" : "body"
// }
// },
// "my-suggest-2" : {
// "text" : "the rottredam meetpu",
// "term" : {
// "field" : "title",
// }
// }
// }
ts := &termSuggesterRequest{}
if q.text != "" {
ts.Text = q.text
}
suggester := make(map[string]interface{})
ts.Term = suggester
if q.analyzer != "" {
suggester["analyzer"] = q.analyzer
}
if q.field != "" {
suggester["field"] = q.field
}
if q.size != nil {
suggester["size"] = *q.size
}
if q.shardSize != nil {
suggester["shard_size"] = *q.shardSize
}
switch len(q.contextQueries) {
case 0:
case 1:
src, err := q.contextQueries[0].Source()
if err != nil {
return nil, err
}
suggester["contexts"] = src
default:
ctxq := make([]interface{}, len(q.contextQueries))
for i, query := range q.contextQueries {
src, err := query.Source()
if err != nil {
return nil, err
}
ctxq[i] = src
}
suggester["contexts"] = ctxq
}
// Specific to term suggester
if q.suggestMode != "" {
suggester["suggest_mode"] = q.suggestMode
}
if q.accuracy != nil {
suggester["accuracy"] = *q.accuracy
}
if q.sort != "" {
suggester["sort"] = q.sort
}
if q.stringDistance != "" {
suggester["string_distance"] = q.stringDistance
}
if q.maxEdits != nil {
suggester["max_edits"] = *q.maxEdits
}
if q.maxInspections != nil {
suggester["max_inspections"] = *q.maxInspections
}
if q.maxTermFreq != nil {
suggester["max_term_freq"] = *q.maxTermFreq
}
if q.prefixLength != nil {
suggester["prefix_length"] = *q.prefixLength
}
if q.minWordLength != nil {
suggester["min_word_length"] = *q.minWordLength
}
if q.minDocFreq != nil {
suggester["min_doc_freq"] = *q.minDocFreq
}
if !includeName {
return ts, nil
}
source := make(map[string]interface{})
source[q.name] = ts
return source, nil
}