mirror of
https://github.com/go-gitea/gitea
synced 2024-10-20 12:30:12 +02:00
5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
247 lines
7.6 KiB
Go
Vendored
247 lines
7.6 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
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// SimpleQueryStringQuery is a query that uses the SimpleQueryParser
|
|
// to parse its context. Unlike the regular query_string query,
|
|
// the simple_query_string query will never throw an exception,
|
|
// and discards invalid parts of the query.
|
|
//
|
|
// For more details, see
|
|
// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/query-dsl-simple-query-string-query.html
|
|
type SimpleQueryStringQuery struct {
|
|
queryText string
|
|
analyzer string
|
|
quoteFieldSuffix string
|
|
defaultOperator string
|
|
fields []string
|
|
fieldBoosts map[string]*float64
|
|
minimumShouldMatch string
|
|
flags string
|
|
boost *float64
|
|
lowercaseExpandedTerms *bool // deprecated
|
|
lenient *bool
|
|
analyzeWildcard *bool
|
|
locale string // deprecated
|
|
queryName string
|
|
autoGenerateSynonymsPhraseQuery *bool
|
|
fuzzyPrefixLength int
|
|
fuzzyMaxExpansions int
|
|
fuzzyTranspositions *bool
|
|
}
|
|
|
|
// NewSimpleQueryStringQuery creates and initializes a new SimpleQueryStringQuery.
|
|
func NewSimpleQueryStringQuery(text string) *SimpleQueryStringQuery {
|
|
return &SimpleQueryStringQuery{
|
|
queryText: text,
|
|
fields: make([]string, 0),
|
|
fieldBoosts: make(map[string]*float64),
|
|
fuzzyPrefixLength: -1,
|
|
fuzzyMaxExpansions: -1,
|
|
}
|
|
}
|
|
|
|
// Field adds a field to run the query against.
|
|
func (q *SimpleQueryStringQuery) Field(field string) *SimpleQueryStringQuery {
|
|
q.fields = append(q.fields, field)
|
|
return q
|
|
}
|
|
|
|
// Field adds a field to run the query against with a specific boost.
|
|
func (q *SimpleQueryStringQuery) FieldWithBoost(field string, boost float64) *SimpleQueryStringQuery {
|
|
q.fields = append(q.fields, field)
|
|
q.fieldBoosts[field] = &boost
|
|
return q
|
|
}
|
|
|
|
// Boost sets the boost for this query.
|
|
func (q *SimpleQueryStringQuery) Boost(boost float64) *SimpleQueryStringQuery {
|
|
q.boost = &boost
|
|
return q
|
|
}
|
|
|
|
// QuoteFieldSuffix is an optional field name suffix to automatically
|
|
// try and add to the field searched when using quoted text.
|
|
func (q *SimpleQueryStringQuery) QuoteFieldSuffix(quoteFieldSuffix string) *SimpleQueryStringQuery {
|
|
q.quoteFieldSuffix = quoteFieldSuffix
|
|
return q
|
|
}
|
|
|
|
// QueryName sets the query name for the filter that can be used when
|
|
// searching for matched_filters per hit.
|
|
func (q *SimpleQueryStringQuery) QueryName(queryName string) *SimpleQueryStringQuery {
|
|
q.queryName = queryName
|
|
return q
|
|
}
|
|
|
|
// Analyzer specifies the analyzer to use for the query.
|
|
func (q *SimpleQueryStringQuery) Analyzer(analyzer string) *SimpleQueryStringQuery {
|
|
q.analyzer = analyzer
|
|
return q
|
|
}
|
|
|
|
// DefaultOperator specifies the default operator for the query.
|
|
func (q *SimpleQueryStringQuery) DefaultOperator(defaultOperator string) *SimpleQueryStringQuery {
|
|
q.defaultOperator = defaultOperator
|
|
return q
|
|
}
|
|
|
|
// Flags sets the flags for the query.
|
|
func (q *SimpleQueryStringQuery) Flags(flags string) *SimpleQueryStringQuery {
|
|
q.flags = flags
|
|
return q
|
|
}
|
|
|
|
// LowercaseExpandedTerms indicates whether terms of wildcard, prefix, fuzzy
|
|
// and range queries are automatically lower-cased or not. Default is true.
|
|
//
|
|
// Deprecated: Decision is now made by the analyzer.
|
|
func (q *SimpleQueryStringQuery) LowercaseExpandedTerms(lowercaseExpandedTerms bool) *SimpleQueryStringQuery {
|
|
q.lowercaseExpandedTerms = &lowercaseExpandedTerms
|
|
return q
|
|
}
|
|
|
|
// Locale to be used in the query.
|
|
//
|
|
// Deprecated: Decision is now made by the analyzer.
|
|
func (q *SimpleQueryStringQuery) Locale(locale string) *SimpleQueryStringQuery {
|
|
q.locale = locale
|
|
return q
|
|
}
|
|
|
|
// Lenient indicates whether the query string parser should be lenient
|
|
// when parsing field values. It defaults to the index setting and if not
|
|
// set, defaults to false.
|
|
func (q *SimpleQueryStringQuery) Lenient(lenient bool) *SimpleQueryStringQuery {
|
|
q.lenient = &lenient
|
|
return q
|
|
}
|
|
|
|
// AnalyzeWildcard indicates whether to enabled analysis on wildcard and prefix queries.
|
|
func (q *SimpleQueryStringQuery) AnalyzeWildcard(analyzeWildcard bool) *SimpleQueryStringQuery {
|
|
q.analyzeWildcard = &analyzeWildcard
|
|
return q
|
|
}
|
|
|
|
// MinimumShouldMatch specifies the minimumShouldMatch to apply to the
|
|
// resulting query should that be a Boolean query.
|
|
func (q *SimpleQueryStringQuery) MinimumShouldMatch(minimumShouldMatch string) *SimpleQueryStringQuery {
|
|
q.minimumShouldMatch = minimumShouldMatch
|
|
return q
|
|
}
|
|
|
|
// AutoGenerateSynonymsPhraseQuery indicates whether phrase queries should be
|
|
// automatically generated for multi terms synonyms. Defaults to true.
|
|
func (q *SimpleQueryStringQuery) AutoGenerateSynonymsPhraseQuery(enable bool) *SimpleQueryStringQuery {
|
|
q.autoGenerateSynonymsPhraseQuery = &enable
|
|
return q
|
|
}
|
|
|
|
// FuzzyPrefixLength defines the prefix length in fuzzy queries.
|
|
func (q *SimpleQueryStringQuery) FuzzyPrefixLength(fuzzyPrefixLength int) *SimpleQueryStringQuery {
|
|
q.fuzzyPrefixLength = fuzzyPrefixLength
|
|
return q
|
|
}
|
|
|
|
// FuzzyMaxExpansions defines the number of terms fuzzy queries will expand to.
|
|
func (q *SimpleQueryStringQuery) FuzzyMaxExpansions(fuzzyMaxExpansions int) *SimpleQueryStringQuery {
|
|
q.fuzzyMaxExpansions = fuzzyMaxExpansions
|
|
return q
|
|
}
|
|
|
|
// FuzzyTranspositions defines whether to use transpositions in fuzzy queries.
|
|
func (q *SimpleQueryStringQuery) FuzzyTranspositions(fuzzyTranspositions bool) *SimpleQueryStringQuery {
|
|
q.fuzzyTranspositions = &fuzzyTranspositions
|
|
return q
|
|
}
|
|
|
|
// Source returns JSON for the query.
|
|
func (q *SimpleQueryStringQuery) Source() (interface{}, error) {
|
|
// {
|
|
// "simple_query_string" : {
|
|
// "query" : "\"fried eggs\" +(eggplant | potato) -frittata",
|
|
// "analyzer" : "snowball",
|
|
// "fields" : ["body^5","_all"],
|
|
// "default_operator" : "and"
|
|
// }
|
|
// }
|
|
|
|
source := make(map[string]interface{})
|
|
|
|
query := make(map[string]interface{})
|
|
source["simple_query_string"] = query
|
|
|
|
query["query"] = q.queryText
|
|
|
|
if len(q.fields) > 0 {
|
|
var fields []string
|
|
for _, field := range q.fields {
|
|
if boost, found := q.fieldBoosts[field]; found {
|
|
if boost != nil {
|
|
fields = append(fields, fmt.Sprintf("%s^%f", field, *boost))
|
|
} else {
|
|
fields = append(fields, field)
|
|
}
|
|
} else {
|
|
fields = append(fields, field)
|
|
}
|
|
}
|
|
query["fields"] = fields
|
|
}
|
|
|
|
if q.flags != "" {
|
|
query["flags"] = q.flags
|
|
}
|
|
if q.analyzer != "" {
|
|
query["analyzer"] = q.analyzer
|
|
}
|
|
if q.defaultOperator != "" {
|
|
query["default_operator"] = strings.ToLower(q.defaultOperator)
|
|
}
|
|
if q.lowercaseExpandedTerms != nil {
|
|
query["lowercase_expanded_terms"] = *q.lowercaseExpandedTerms
|
|
}
|
|
if q.lenient != nil {
|
|
query["lenient"] = *q.lenient
|
|
}
|
|
if q.analyzeWildcard != nil {
|
|
query["analyze_wildcard"] = *q.analyzeWildcard
|
|
}
|
|
if q.locale != "" {
|
|
query["locale"] = q.locale
|
|
}
|
|
if q.queryName != "" {
|
|
query["_name"] = q.queryName
|
|
}
|
|
if q.minimumShouldMatch != "" {
|
|
query["minimum_should_match"] = q.minimumShouldMatch
|
|
}
|
|
if q.quoteFieldSuffix != "" {
|
|
query["quote_field_suffix"] = q.quoteFieldSuffix
|
|
}
|
|
if q.boost != nil {
|
|
query["boost"] = *q.boost
|
|
}
|
|
if v := q.autoGenerateSynonymsPhraseQuery; v != nil {
|
|
query["auto_generate_synonyms_phrase_query"] = *v
|
|
}
|
|
if v := q.fuzzyPrefixLength; v != -1 {
|
|
query["fuzzy_prefix_length"] = v
|
|
}
|
|
if v := q.fuzzyMaxExpansions; v != -1 {
|
|
query["fuzzy_max_expansions"] = v
|
|
}
|
|
if v := q.fuzzyTranspositions; v != nil {
|
|
query["fuzzy_transpositions"] = *v
|
|
}
|
|
|
|
return source, nil
|
|
}
|