114 lines
2.6 KiB
Go
114 lines
2.6 KiB
Go
// 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/url"
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"gopkg.in/olivere/elastic.v5/uritemplates"
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)
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// GetTemplateService reads a search template.
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// It is documented at https://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-template.html.
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type GetTemplateService struct {
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client *Client
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pretty bool
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id string
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version interface{}
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versionType string
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}
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// NewGetTemplateService creates a new GetTemplateService.
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func NewGetTemplateService(client *Client) *GetTemplateService {
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return &GetTemplateService{
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client: client,
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}
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}
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// Id is the template ID.
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func (s *GetTemplateService) Id(id string) *GetTemplateService {
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s.id = id
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return s
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}
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// Version is an explicit version number for concurrency control.
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func (s *GetTemplateService) Version(version interface{}) *GetTemplateService {
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s.version = version
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return s
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}
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// VersionType is a specific version type.
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func (s *GetTemplateService) VersionType(versionType string) *GetTemplateService {
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s.versionType = versionType
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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 *GetTemplateService) buildURL() (string, url.Values, error) {
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// Build URL
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path, err := uritemplates.Expand("/_search/template/{id}", map[string]string{
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"id": s.id,
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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 s.version != nil {
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params.Set("version", fmt.Sprintf("%v", s.version))
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}
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if s.versionType != "" {
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params.Set("version_type", s.versionType)
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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 *GetTemplateService) 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 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 and returns the template.
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func (s *GetTemplateService) Do(ctx context.Context) (*GetTemplateResponse, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return nil, 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 nil, err
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, "GET", path, params, nil)
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if err != nil {
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return nil, err
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}
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// Return result
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ret := new(GetTemplateResponse)
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if err := s.client.decoder.Decode(res.Body, ret); err != nil {
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return nil, err
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}
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return ret, nil
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}
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type GetTemplateResponse struct {
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Template string `json:"template"`
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}
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