118 lines
2.6 KiB
Go
118 lines
2.6 KiB
Go
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// 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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"encoding/json"
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"fmt"
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"net/url"
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"github.com/olivere/elastic/uritemplates"
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)
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// GetScriptService reads a stored script in Elasticsearch.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/6.2/modules-scripting.html
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// for details.
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type GetScriptService struct {
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client *Client
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pretty bool
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id string
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}
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// NewGetScriptService creates a new GetScriptService.
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func NewGetScriptService(client *Client) *GetScriptService {
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return &GetScriptService{
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client: client,
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}
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}
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// Id is the script ID.
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func (s *GetScriptService) Id(id string) *GetScriptService {
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s.id = id
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return s
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}
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// Pretty indicates that the JSON response be indented and human readable.
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func (s *GetScriptService) Pretty(pretty bool) *GetScriptService {
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s.pretty = pretty
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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 *GetScriptService) buildURL() (string, string, url.Values, error) {
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var (
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err error
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method = "GET"
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path string
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)
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path, err = uritemplates.Expand("/_scripts/{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.pretty {
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params.Set("pretty", "true")
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}
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return method, path, params, nil
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}
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// Validate checks if the operation is valid.
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func (s *GetScriptService) 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.
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func (s *GetScriptService) Do(ctx context.Context) (*GetScriptResponse, 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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method, 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, PerformRequestOptions{
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Method: method,
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Path: path,
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Params: params,
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})
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if err != nil {
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return nil, err
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}
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// Return operation response
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ret := new(GetScriptResponse)
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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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// GetScriptResponse is the result of deleting a stored script
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// in Elasticsearch.
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type GetScriptResponse struct {
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Id string `json:"_id"`
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Found bool `json:"found"`
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Script json.RawMessage `json:"script"`
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}
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