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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"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// IndicesGetTemplateService returns an index template.
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/indices-templates.html.
type IndicesGetTemplateService struct {
client *Client
pretty bool
name []string
flatSettings *bool
local *bool
}
// NewIndicesGetTemplateService creates a new IndicesGetTemplateService.
func NewIndicesGetTemplateService(client *Client) *IndicesGetTemplateService {
return &IndicesGetTemplateService{
client: client,
name: make([]string, 0),
}
}
// Name is the name of the index template.
func (s *IndicesGetTemplateService) Name(name ...string) *IndicesGetTemplateService {
s.name = append(s.name, name...)
return s
}
// FlatSettings is returns settings in flat format (default: false).
func (s *IndicesGetTemplateService) FlatSettings(flatSettings bool) *IndicesGetTemplateService {
s.flatSettings = &flatSettings
return s
}
// Local indicates whether to return local information, i.e. do not retrieve
// the state from master node (default: false).
func (s *IndicesGetTemplateService) Local(local bool) *IndicesGetTemplateService {
s.local = &local
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IndicesGetTemplateService) Pretty(pretty bool) *IndicesGetTemplateService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *IndicesGetTemplateService) buildURL() (string, url.Values, error) {
// Build URL
var err error
var path string
if len(s.name) > 0 {
path, err = uritemplates.Expand("/_template/{name}", map[string]string{
"name": strings.Join(s.name, ","),
})
} else {
path = "/_template"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "1")
}
if s.flatSettings != nil {
params.Set("flat_settings", fmt.Sprintf("%v", *s.flatSettings))
}
if s.local != nil {
params.Set("local", fmt.Sprintf("%v", *s.local))
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndicesGetTemplateService) Validate() error {
return nil
}
// Do executes the operation.
func (s *IndicesGetTemplateService) Do(ctx context.Context) (map[string]*IndicesGetTemplateResponse, 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, "GET", path, params, nil)
if err != nil {
return nil, err
}
// Return operation response
var ret map[string]*IndicesGetTemplateResponse
if err := s.client.decoder.Decode(res.Body, &ret); err != nil {
return nil, err
}
return ret, nil
}
// IndicesGetTemplateResponse is the response of IndicesGetTemplateService.Do.
type IndicesGetTemplateResponse struct {
Order int `json:"order,omitempty"`
Version int `json:"version,omitempty"`
Template string `json:"template,omitempty"`
Settings map[string]interface{} `json:"settings,omitempty"`
Mappings map[string]interface{} `json:"mappings,omitempty"`
Aliases map[string]interface{} `json:"aliases,omitempty"`
}
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