Albirew/nyaa-pantsu
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nyaa-pantsu/vendor/gopkg.in/olivere/elastic.v5/get.go
akuma06 a41f938cec Add Godep support (#758)
As we have seen, dependencies version can prevent the build. We should
user lock versions on dependencies that we know work:
* Packages are vendored
* Add Godep support
* Added addtional install step in readme
* Fix travis build error
2017-05-26 13:07:22 +02:00

256 lignes
6,9 Kio
Go

// 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"
"encoding/json"
"fmt"
"net/url"
"strings"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// GetService allows to get a typed JSON document from the index based
// on its id.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-get.html
// for details.
type GetService struct {
client *Client
pretty bool
index string
typ string
id string
routing string
preference string
storedFields []string
refresh string
realtime *bool
fsc *FetchSourceContext
version interface{}
versionType string
parent string
ignoreErrorsOnGeneratedFields *bool
}
// NewGetService creates a new GetService.
func NewGetService(client *Client) *GetService {
return &GetService{
client: client,
typ: "_all",
}
}
// Index is the name of the index.
func (s *GetService) Index(index string) *GetService {
s.index = index
return s
}
// Type is the type of the document (use `_all` to fetch the first document
// matching the ID across all types).
func (s *GetService) Type(typ string) *GetService {
s.typ = typ
return s
}
// Id is the document ID.
func (s *GetService) Id(id string) *GetService {
s.id = id
return s
}
// Parent is the ID of the parent document.
func (s *GetService) Parent(parent string) *GetService {
s.parent = parent
return s
}
// Routing is the specific routing value.
func (s *GetService) Routing(routing string) *GetService {
s.routing = routing
return s
}
// Preference specifies the node or shard the operation should be performed on (default: random).
func (s *GetService) Preference(preference string) *GetService {
s.preference = preference
return s
}
// StoredFields is a list of fields to return in the response.
func (s *GetService) StoredFields(storedFields ...string) *GetService {
s.storedFields = append(s.storedFields, storedFields...)
return s
}
func (s *GetService) FetchSource(fetchSource bool) *GetService {
if s.fsc == nil {
s.fsc = NewFetchSourceContext(fetchSource)
} else {
s.fsc.SetFetchSource(fetchSource)
}
return s
}
func (s *GetService) FetchSourceContext(fetchSourceContext *FetchSourceContext) *GetService {
s.fsc = fetchSourceContext
return s
}
// Refresh the shard containing the document before performing the operation.
func (s *GetService) Refresh(refresh string) *GetService {
s.refresh = refresh
return s
}
// Realtime specifies whether to perform the operation in realtime or search mode.
func (s *GetService) Realtime(realtime bool) *GetService {
s.realtime = &realtime
return s
}
// VersionType is the specific version type.
func (s *GetService) VersionType(versionType string) *GetService {
s.versionType = versionType
return s
}
// Version is an explicit version number for concurrency control.
func (s *GetService) Version(version interface{}) *GetService {
s.version = version
return s
}
// IgnoreErrorsOnGeneratedFields indicates whether to ignore fields that
// are generated if the transaction log is accessed.
func (s *GetService) IgnoreErrorsOnGeneratedFields(ignore bool) *GetService {
s.ignoreErrorsOnGeneratedFields = &ignore
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *GetService) Pretty(pretty bool) *GetService {
s.pretty = pretty
return s
}
// Validate checks if the operation is valid.
func (s *GetService) Validate() error {
var invalid []string
if s.id == "" {
invalid = append(invalid, "Id")
}
if s.index == "" {
invalid = append(invalid, "Index")
}
if s.typ == "" {
invalid = append(invalid, "Type")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// buildURL builds the URL for the operation.
func (s *GetService) buildURL() (string, url.Values, error) {
// Build URL
path, err := uritemplates.Expand("/{index}/{type}/{id}", map[string]string{
"id": s.id,
"index": s.index,
"type": s.typ,
})
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "1")
}
if s.routing != "" {
params.Set("routing", s.routing)
}
if s.parent != "" {
params.Set("parent", s.parent)
}
if s.preference != "" {
params.Set("preference", s.preference)
}
if len(s.storedFields) > 0 {
params.Set("stored_fields", strings.Join(s.storedFields, ","))
}
if s.refresh != "" {
params.Set("refresh", s.refresh)
}
if s.version != nil {
params.Set("version", fmt.Sprintf("%v", s.version))
}
if s.versionType != "" {
params.Set("version_type", s.versionType)
}
if s.realtime != nil {
params.Set("realtime", fmt.Sprintf("%v", *s.realtime))
}
if s.ignoreErrorsOnGeneratedFields != nil {
params.Add("ignore_errors_on_generated_fields", fmt.Sprintf("%v", *s.ignoreErrorsOnGeneratedFields))
}
if s.fsc != nil {
for k, values := range s.fsc.Query() {
params.Add(k, strings.Join(values, ","))
}
}
return path, params, nil
}
// Do executes the operation.
func (s *GetService) Do(ctx context.Context) (*GetResult, 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
ret := new(GetResult)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// -- Result of a get request.
// GetResult is the outcome of GetService.Do.
type GetResult struct {
Index string `json:"_index"` // index meta field
Type string `json:"_type"` // type meta field
Id string `json:"_id"` // id meta field
Uid string `json:"_uid"` // uid meta field (see MapperService.java for all meta fields)
Routing string `json:"_routing"` // routing meta field
Parent string `json:"_parent"` // parent meta field
Version *int64 `json:"_version"` // version number, when Version is set to true in SearchService
Source *json.RawMessage `json:"_source,omitempty"`
Found bool `json:"found,omitempty"`
Fields map[string]interface{} `json:"fields,omitempty"`
//Error string `json:"error,omitempty"` // used only in MultiGet
// TODO double-check that MultiGet now returns details error information
Error *ErrorDetails `json:"error,omitempty"` // only used in MultiGet
}