diff options
author | George Goldberg <george@gberg.me> | 2017-05-09 14:13:24 +0100 |
---|---|---|
committer | Joram Wilander <jwawilander@gmail.com> | 2017-05-09 08:13:24 -0500 |
commit | 622998add12734a6c2b5d79918338a4d6dca7ce6 (patch) | |
tree | 198d507eb04c5684d5b191b17ed957f02f2df6ed /vendor/gopkg.in/olivere/elastic.v5/exists.go | |
parent | b25021b9129820147bf596b834d438ef218acf28 (diff) | |
download | chat-622998add12734a6c2b5d79918338a4d6dca7ce6.tar.gz chat-622998add12734a6c2b5d79918338a4d6dca7ce6.tar.bz2 chat-622998add12734a6c2b5d79918338a4d6dca7ce6.zip |
PLT-6398: Add dependency on go elastic search library. (#6340)
Diffstat (limited to 'vendor/gopkg.in/olivere/elastic.v5/exists.go')
-rw-r--r-- | vendor/gopkg.in/olivere/elastic.v5/exists.go | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/vendor/gopkg.in/olivere/elastic.v5/exists.go b/vendor/gopkg.in/olivere/elastic.v5/exists.go new file mode 100644 index 000000000..7cae2bde8 --- /dev/null +++ b/vendor/gopkg.in/olivere/elastic.v5/exists.go @@ -0,0 +1,176 @@ +// 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 ( + "context" + "fmt" + "net/http" + "net/url" + + "gopkg.in/olivere/elastic.v5/uritemplates" +) + +// ExistsService checks for the existence of a document using HEAD. +// +// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-get.html +// for details. +type ExistsService struct { + client *Client + pretty bool + id string + index string + typ string + preference string + realtime *bool + refresh string + routing string + parent string +} + +// NewExistsService creates a new ExistsService. +func NewExistsService(client *Client) *ExistsService { + return &ExistsService{ + client: client, + } +} + +// Id is the document ID. +func (s *ExistsService) Id(id string) *ExistsService { + s.id = id + return s +} + +// Index is the name of the index. +func (s *ExistsService) Index(index string) *ExistsService { + s.index = index + return s +} + +// Type is the type of the document (use `_all` to fetch the first document +// matching the ID across all types). +func (s *ExistsService) Type(typ string) *ExistsService { + s.typ = typ + return s +} + +// Preference specifies the node or shard the operation should be performed on (default: random). +func (s *ExistsService) Preference(preference string) *ExistsService { + s.preference = preference + return s +} + +// Realtime specifies whether to perform the operation in realtime or search mode. +func (s *ExistsService) Realtime(realtime bool) *ExistsService { + s.realtime = &realtime + return s +} + +// Refresh the shard containing the document before performing the operation. +func (s *ExistsService) Refresh(refresh string) *ExistsService { + s.refresh = refresh + return s +} + +// Routing is a specific routing value. +func (s *ExistsService) Routing(routing string) *ExistsService { + s.routing = routing + return s +} + +// Parent is the ID of the parent document. +func (s *ExistsService) Parent(parent string) *ExistsService { + s.parent = parent + return s +} + +// Pretty indicates that the JSON response be indented and human readable. +func (s *ExistsService) Pretty(pretty bool) *ExistsService { + s.pretty = pretty + return s +} + +// buildURL builds the URL for the operation. +func (s *ExistsService) buildURL() (string, url.Values, error) { + // Build URL + path, err := uritemplates.Expand("/{index}/{type}/{id}", map[string]string{ + "id": s.id, + "index": s.index, + "type": s.typ, + }) + if err != nil { + return "", url.Values{}, err + } + + // Add query string parameters + params := url.Values{} + if s.pretty { + params.Set("pretty", "1") + } + if s.realtime != nil { + params.Set("realtime", fmt.Sprintf("%v", *s.realtime)) + } + if s.refresh != "" { + params.Set("refresh", s.refresh) + } + if s.routing != "" { + params.Set("routing", s.routing) + } + if s.parent != "" { + params.Set("parent", s.parent) + } + if s.preference != "" { + params.Set("preference", s.preference) + } + return path, params, nil +} + +// Validate checks if the operation is valid. +func (s *ExistsService) Validate() error { + var invalid []string + if s.id == "" { + invalid = append(invalid, "Id") + } + if s.index == "" { + invalid = append(invalid, "Index") + } + if s.typ == "" { + invalid = append(invalid, "Type") + } + if len(invalid) > 0 { + return fmt.Errorf("missing required fields: %v", invalid) + } + return nil +} + +// Do executes the operation. +func (s *ExistsService) Do(ctx context.Context) (bool, error) { + // Check pre-conditions + if err := s.Validate(); err != nil { + return false, err + } + + // Get URL for request + path, params, err := s.buildURL() + if err != nil { + return false, err + } + + // Get HTTP response + res, err := s.client.PerformRequest(ctx, "HEAD", path, params, nil, 404) + if err != nil { + return false, err + } + + // Return operation response + switch res.StatusCode { + case http.StatusOK: + return true, nil + case http.StatusNotFound: + return false, nil + default: + return false, fmt.Errorf("elastic: got HTTP code %d when it should have been either 200 or 404", res.StatusCode) + } +} |