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// Copyright 2012-2015 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"
"gopkg.in/olivere/elastic.v2/uritemplates"
)
type ExistsService struct {
client *Client
index string
_type string
id string
}
func NewExistsService(client *Client) *ExistsService {
builder := &ExistsService{
client: client,
}
return builder
}
func (s *ExistsService) String() string {
return fmt.Sprintf("exists([%v][%v][%v])",
s.index,
s._type,
s.id)
}
func (s *ExistsService) Index(index string) *ExistsService {
s.index = index
return s
}
func (s *ExistsService) Type(_type string) *ExistsService {
s._type = _type
return s
}
func (s *ExistsService) Id(id string) *ExistsService {
s.id = id
return s
}
func (s *ExistsService) Do() (bool, error) {
// Build url
path, err := uritemplates.Expand("/{index}/{type}/{id}", map[string]string{
"index": s.index,
"type": s._type,
"id": s.id,
})
if err != nil {
return false, err
}
// Get response
res, err := s.client.PerformRequest("HEAD", path, nil, nil)
if err != nil {
return false, err
}
if res.StatusCode == 200 {
return true, nil
} else if res.StatusCode == 404 {
return false, nil
}
return false, fmt.Errorf("elastic: got HTTP code %d when it should have been either 200 or 404", res.StatusCode)
}
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