f248089523
* Implement basic S3 notifications through queues Supports multiple queues and three basic queue types: 1. NilQueue -- messages don't get sent anywhere 2. LogQueue -- messages get logged 3. AmqpQueue -- messages are sent to an AMQP queue * api: Implement bucket notification. Supports two different queue types - AMQP - ElasticSearch. * Add support for redis
145 lines
3.1 KiB
Go
145 lines
3.1 KiB
Go
// Copyright 2012-2015 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 (
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"encoding/json"
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"fmt"
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"net/url"
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"strings"
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"gopkg.in/olivere/elastic.v3/uritemplates"
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)
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// SuggestService returns suggestions for text.
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type SuggestService struct {
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client *Client
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pretty bool
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routing string
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preference string
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indices []string
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suggesters []Suggester
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}
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func NewSuggestService(client *Client) *SuggestService {
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builder := &SuggestService{
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client: client,
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indices: make([]string, 0),
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suggesters: make([]Suggester, 0),
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}
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return builder
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}
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func (s *SuggestService) Index(indices ...string) *SuggestService {
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s.indices = append(s.indices, indices...)
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return s
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}
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func (s *SuggestService) Pretty(pretty bool) *SuggestService {
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s.pretty = pretty
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return s
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}
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func (s *SuggestService) Routing(routing string) *SuggestService {
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s.routing = routing
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return s
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}
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func (s *SuggestService) Preference(preference string) *SuggestService {
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s.preference = preference
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return s
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}
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func (s *SuggestService) Suggester(suggester Suggester) *SuggestService {
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s.suggesters = append(s.suggesters, suggester)
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return s
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}
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func (s *SuggestService) Do() (SuggestResult, error) {
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// Build url
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path := "/"
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// Indices part
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indexPart := make([]string, 0)
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for _, index := range s.indices {
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index, err := uritemplates.Expand("{index}", map[string]string{
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"index": index,
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})
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if err != nil {
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return nil, err
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}
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indexPart = append(indexPart, index)
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}
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path += strings.Join(indexPart, ",")
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// Suggest
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path += "/_suggest"
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// Parameters
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params := make(url.Values)
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if s.pretty {
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params.Set("pretty", fmt.Sprintf("%v", s.pretty))
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}
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if s.routing != "" {
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params.Set("routing", s.routing)
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}
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if s.preference != "" {
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params.Set("preference", s.preference)
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}
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// Set body
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body := make(map[string]interface{})
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for _, s := range s.suggesters {
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src, err := s.Source(false)
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if err != nil {
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return nil, err
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}
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body[s.Name()] = src
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}
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// Get response
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res, err := s.client.PerformRequest("POST", path, params, body)
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if err != nil {
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return nil, err
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}
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// There is a _shard object that cannot be deserialized.
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// So we use json.RawMessage instead.
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var suggestions map[string]*json.RawMessage
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if err := s.client.decoder.Decode(res.Body, &suggestions); err != nil {
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return nil, err
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}
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ret := make(SuggestResult)
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for name, result := range suggestions {
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if name != "_shards" {
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var sug []Suggestion
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if err := s.client.decoder.Decode(*result, &sug); err != nil {
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return nil, err
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}
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ret[name] = sug
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}
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}
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return ret, nil
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}
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type SuggestResult map[string][]Suggestion
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type Suggestion struct {
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Text string `json:"text"`
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Offset int `json:"offset"`
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Length int `json:"length"`
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Options []suggestionOption `json:"options"`
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}
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type suggestionOption struct {
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Text string `json:"text"`
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Score float64 `json:"score"`
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Freq int `json:"freq"`
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Payload interface{} `json:"payload"`
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CollateMatch bool `json:"collate_match"`
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}
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