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* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
237 lines
5.8 KiB
Go
Vendored
237 lines
5.8 KiB
Go
Vendored
// 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 (
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"context"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/olivere/elastic/v7/uritemplates"
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)
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// ExistsService checks for the existence of a document using HEAD.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-get.html
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// for details.
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type ExistsService struct {
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client *Client
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pretty *bool // pretty format the returned JSON response
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human *bool // return human readable values for statistics
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errorTrace *bool // include the stack trace of returned errors
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filterPath []string // list of filters used to reduce the response
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headers http.Header // custom request-level HTTP headers
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id string
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index string
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typ string
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preference string
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realtime *bool
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refresh string
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routing string
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parent string
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}
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// NewExistsService creates a new ExistsService.
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func NewExistsService(client *Client) *ExistsService {
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return &ExistsService{
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client: client,
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typ: "_doc",
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}
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}
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// Pretty tells Elasticsearch whether to return a formatted JSON response.
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func (s *ExistsService) Pretty(pretty bool) *ExistsService {
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s.pretty = &pretty
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return s
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}
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// Human specifies whether human readable values should be returned in
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// the JSON response, e.g. "7.5mb".
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func (s *ExistsService) Human(human bool) *ExistsService {
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s.human = &human
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return s
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}
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// ErrorTrace specifies whether to include the stack trace of returned errors.
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func (s *ExistsService) ErrorTrace(errorTrace bool) *ExistsService {
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s.errorTrace = &errorTrace
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return s
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}
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// FilterPath specifies a list of filters used to reduce the response.
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func (s *ExistsService) FilterPath(filterPath ...string) *ExistsService {
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s.filterPath = filterPath
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return s
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}
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// Header adds a header to the request.
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func (s *ExistsService) Header(name string, value string) *ExistsService {
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if s.headers == nil {
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s.headers = http.Header{}
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}
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s.headers.Add(name, value)
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return s
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}
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// Headers specifies the headers of the request.
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func (s *ExistsService) Headers(headers http.Header) *ExistsService {
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s.headers = headers
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return s
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}
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// Id is the document ID.
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func (s *ExistsService) Id(id string) *ExistsService {
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s.id = id
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return s
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}
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// Index is the name of the index.
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func (s *ExistsService) Index(index string) *ExistsService {
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s.index = index
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return s
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}
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// Type is the type of the document (use `_all` to fetch the first document
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// matching the ID across all types).
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func (s *ExistsService) Type(typ string) *ExistsService {
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s.typ = typ
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return s
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}
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// Preference specifies the node or shard the operation should be performed on (default: random).
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func (s *ExistsService) Preference(preference string) *ExistsService {
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s.preference = preference
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return s
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}
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// Realtime specifies whether to perform the operation in realtime or search mode.
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func (s *ExistsService) Realtime(realtime bool) *ExistsService {
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s.realtime = &realtime
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return s
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}
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// Refresh the shard containing the document before performing the operation.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-refresh.html
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// for details.
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func (s *ExistsService) Refresh(refresh string) *ExistsService {
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s.refresh = refresh
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return s
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}
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// Routing is a specific routing value.
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func (s *ExistsService) Routing(routing string) *ExistsService {
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s.routing = routing
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return s
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}
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// Parent is the ID of the parent document.
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func (s *ExistsService) Parent(parent string) *ExistsService {
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s.parent = parent
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return s
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}
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// buildURL builds the URL for the operation.
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func (s *ExistsService) buildURL() (string, url.Values, error) {
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// Build URL
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path, err := uritemplates.Expand("/{index}/{type}/{id}", map[string]string{
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"id": s.id,
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"index": s.index,
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"type": s.typ,
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})
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if err != nil {
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return "", url.Values{}, err
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}
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// Add query string parameters
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params := url.Values{}
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if v := s.pretty; v != nil {
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params.Set("pretty", fmt.Sprint(*v))
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}
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if v := s.human; v != nil {
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params.Set("human", fmt.Sprint(*v))
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}
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if v := s.errorTrace; v != nil {
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params.Set("error_trace", fmt.Sprint(*v))
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}
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if len(s.filterPath) > 0 {
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params.Set("filter_path", strings.Join(s.filterPath, ","))
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}
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if s.realtime != nil {
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params.Set("realtime", fmt.Sprint(*s.realtime))
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}
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if s.refresh != "" {
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params.Set("refresh", s.refresh)
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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.parent != "" {
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params.Set("parent", s.parent)
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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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return path, params, nil
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}
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// Validate checks if the operation is valid.
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func (s *ExistsService) Validate() error {
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var invalid []string
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if s.id == "" {
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invalid = append(invalid, "Id")
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}
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if s.index == "" {
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invalid = append(invalid, "Index")
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}
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if s.typ == "" {
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invalid = append(invalid, "Type")
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}
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if len(invalid) > 0 {
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return fmt.Errorf("missing required fields: %v", invalid)
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}
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return nil
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}
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// Do executes the operation.
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func (s *ExistsService) Do(ctx context.Context) (bool, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return false, err
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}
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// Get URL for request
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path, params, err := s.buildURL()
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if err != nil {
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return false, err
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "HEAD",
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Path: path,
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Params: params,
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IgnoreErrors: []int{404},
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Headers: s.headers,
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})
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if err != nil {
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return false, err
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}
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// Return operation response
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switch res.StatusCode {
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case http.StatusOK:
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return true, nil
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case http.StatusNotFound:
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return false, nil
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default:
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return false, fmt.Errorf("elastic: got HTTP code %d when it should have been either 200 or 404", res.StatusCode)
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}
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}
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