116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import "errors"
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// PercolatorQuery can be used to match queries stored in an index.
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//
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// For more details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/5.x/query-dsl-percolate-query.html
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type PercolatorQuery struct {
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field string
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documentType string
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document interface{}
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indexedDocumentIndex string
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indexedDocumentType string
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indexedDocumentId string
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indexedDocumentRouting string
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indexedDocumentPreference string
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indexedDocumentVersion *int64
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}
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// NewPercolatorQuery creates and initializes a new Percolator query.
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func NewPercolatorQuery() *PercolatorQuery {
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return &PercolatorQuery{}
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}
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func (q *PercolatorQuery) Field(field string) *PercolatorQuery {
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q.field = field
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return q
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}
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func (q *PercolatorQuery) DocumentType(typ string) *PercolatorQuery {
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q.documentType = typ
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return q
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}
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func (q *PercolatorQuery) Document(doc interface{}) *PercolatorQuery {
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q.document = doc
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentIndex(index string) *PercolatorQuery {
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q.indexedDocumentIndex = index
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentType(typ string) *PercolatorQuery {
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q.indexedDocumentType = typ
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentId(id string) *PercolatorQuery {
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q.indexedDocumentId = id
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentRouting(routing string) *PercolatorQuery {
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q.indexedDocumentRouting = routing
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentPreference(preference string) *PercolatorQuery {
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q.indexedDocumentPreference = preference
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return q
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}
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func (q *PercolatorQuery) IndexedDocumentVersion(version int64) *PercolatorQuery {
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q.indexedDocumentVersion = &version
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return q
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}
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// Source returns JSON for the percolate query.
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func (q *PercolatorQuery) Source() (interface{}, error) {
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if len(q.field) == 0 {
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return nil, errors.New("elastic: Field is required in PercolatorQuery")
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}
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if len(q.documentType) == 0 {
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return nil, errors.New("elastic: DocumentType is required in PercolatorQuery")
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}
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if q.document == nil {
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return nil, errors.New("elastic: Document is required in PercolatorQuery")
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}
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// {
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// "percolate" : { ... }
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// }
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source := make(map[string]interface{})
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params := make(map[string]interface{})
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source["percolate"] = params
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params["field"] = q.field
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params["document_type"] = q.documentType
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params["document"] = q.document
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if len(q.indexedDocumentIndex) > 0 {
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params["index"] = q.indexedDocumentIndex
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}
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if len(q.indexedDocumentType) > 0 {
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params["type"] = q.indexedDocumentType
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}
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if len(q.indexedDocumentId) > 0 {
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params["id"] = q.indexedDocumentId
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}
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if len(q.indexedDocumentRouting) > 0 {
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params["routing"] = q.indexedDocumentRouting
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}
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if len(q.indexedDocumentPreference) > 0 {
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params["preference"] = q.indexedDocumentPreference
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}
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if q.indexedDocumentVersion != nil {
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params["version"] = *q.indexedDocumentVersion
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}
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return source, nil
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}
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