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// 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/url"
"strings"
"github.com/olivere/elastic/uritemplates"
)
// IndicesDeleteService allows to delete existing indices.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/indices-delete-index.html
// for details.
type IndicesDeleteService struct {
client *Client
pretty bool
index []string
timeout string
masterTimeout string
}
// NewIndicesDeleteService creates and initializes a new IndicesDeleteService.
func NewIndicesDeleteService(client *Client) *IndicesDeleteService {
return &IndicesDeleteService{
client: client,
index: make([]string, 0),
}
}
// Index adds the list of indices to delete.
// Use `_all` or `*` string to delete all indices.
func (s *IndicesDeleteService) Index(index []string) *IndicesDeleteService {
s.index = index
return s
}
// Timeout is an explicit operation timeout.
func (s *IndicesDeleteService) Timeout(timeout string) *IndicesDeleteService {
s.timeout = timeout
return s
}
// MasterTimeout specifies the timeout for connection to master.
func (s *IndicesDeleteService) MasterTimeout(masterTimeout string) *IndicesDeleteService {
s.masterTimeout = masterTimeout
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IndicesDeleteService) Pretty(pretty bool) *IndicesDeleteService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *IndicesDeleteService) buildURL() (string, url.Values, error) {
// Build URL
path, err := uritemplates.Expand("/{index}", map[string]string{
"index": strings.Join(s.index, ","),
})
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "true")
}
if s.timeout != "" {
params.Set("timeout", s.timeout)
}
if s.masterTimeout != "" {
params.Set("master_timeout", s.masterTimeout)
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndicesDeleteService) Validate() error {
var invalid []string
if len(s.index) == 0 {
invalid = append(invalid, "Index")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// Do executes the operation.
func (s *IndicesDeleteService) Do(ctx context.Context) (*IndicesDeleteResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
Method: "DELETE",
Path: path,
Params: params,
})
if err != nil {
return nil, err
}
// Return operation response
ret := new(IndicesDeleteResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// -- Result of a delete index request.
// IndicesDeleteResponse is the response of IndicesDeleteService.Do.
type IndicesDeleteResponse struct {
Acknowledged bool `json:"acknowledged"`
}
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