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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 (
"fmt"
"net/url"
"golang.org/x/net/context"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// IndexService adds or updates a typed JSON document in a specified index,
// making it searchable.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-index_.html
// for details.
type IndexService struct {
client *Client
pretty bool
id string
index string
typ string
parent string
routing string
timeout string
timestamp string
ttl string
version interface{}
opType string
versionType string
refresh string
waitForActiveShards string
pipeline string
bodyJson interface{}
bodyString string
}
// NewIndexService creates a new IndexService.
func NewIndexService(client *Client) *IndexService {
return &IndexService{
client: client,
}
}
// Id is the document ID.
func (s *IndexService) Id(id string) *IndexService {
s.id = id
return s
}
// Index is the name of the index.
func (s *IndexService) Index(index string) *IndexService {
s.index = index
return s
}
// Type is the type of the document.
func (s *IndexService) Type(typ string) *IndexService {
s.typ = typ
return s
}
// WaitForActiveShards sets the number of shard copies that must be active
// before proceeding with the index operation. Defaults to 1, meaning the
// primary shard only. Set to `all` for all shard copies, otherwise set to
// any non-negative value less than or equal to the total number of copies
// for the shard (number of replicas + 1).
func (s *IndexService) WaitForActiveShards(waitForActiveShards string) *IndexService {
s.waitForActiveShards = waitForActiveShards
return s
}
// Pipeline specifies the pipeline id to preprocess incoming documents with.
func (s *IndexService) Pipeline(pipeline string) *IndexService {
s.pipeline = pipeline
return s
}
// Refresh the index after performing the operation.
func (s *IndexService) Refresh(refresh string) *IndexService {
s.refresh = refresh
return s
}
// Ttl is an expiration time for the document.
func (s *IndexService) Ttl(ttl string) *IndexService {
s.ttl = ttl
return s
}
// TTL is an expiration time for the document (alias for Ttl).
func (s *IndexService) TTL(ttl string) *IndexService {
s.ttl = ttl
return s
}
// Version is an explicit version number for concurrency control.
func (s *IndexService) Version(version interface{}) *IndexService {
s.version = version
return s
}
// OpType is an explicit operation type, i.e. "create" or "index" (default).
func (s *IndexService) OpType(opType string) *IndexService {
s.opType = opType
return s
}
// Parent is the ID of the parent document.
func (s *IndexService) Parent(parent string) *IndexService {
s.parent = parent
return s
}
// Routing is a specific routing value.
func (s *IndexService) Routing(routing string) *IndexService {
s.routing = routing
return s
}
// Timeout is an explicit operation timeout.
func (s *IndexService) Timeout(timeout string) *IndexService {
s.timeout = timeout
return s
}
// Timestamp is an explicit timestamp for the document.
func (s *IndexService) Timestamp(timestamp string) *IndexService {
s.timestamp = timestamp
return s
}
// VersionType is a specific version type.
func (s *IndexService) VersionType(versionType string) *IndexService {
s.versionType = versionType
return s
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *IndexService) Pretty(pretty bool) *IndexService {
s.pretty = pretty
return s
}
// BodyJson is the document as a serializable JSON interface.
func (s *IndexService) BodyJson(body interface{}) *IndexService {
s.bodyJson = body
return s
}
// BodyString is the document encoded as a string.
func (s *IndexService) BodyString(body string) *IndexService {
s.bodyString = body
return s
}
// buildURL builds the URL for the operation.
func (s *IndexService) buildURL() (string, string, url.Values, error) {
var err error
var method, path string
if s.id != "" {
// Create document with manual id
method = "PUT"
path, err = uritemplates.Expand("/{index}/{type}/{id}", map[string]string{
"id": s.id,
"index": s.index,
"type": s.typ,
})
} else {
// Automatic ID generation
// See https://www.elastic.co/guide/en/elasticsearch/reference/5.2/docs-index_.html#index-creation
method = "POST"
path, err = uritemplates.Expand("/{index}/{type}/", map[string]string{
"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.waitForActiveShards != "" {
params.Set("wait_for_active_shards", s.waitForActiveShards)
}
if s.refresh != "" {
params.Set("refresh", s.refresh)
}
if s.opType != "" {
params.Set("op_type", s.opType)
}
if s.parent != "" {
params.Set("parent", s.parent)
}
if s.pipeline != "" {
params.Set("pipeline", s.pipeline)
}
if s.routing != "" {
params.Set("routing", s.routing)
}
if s.timeout != "" {
params.Set("timeout", s.timeout)
}
if s.timestamp != "" {
params.Set("timestamp", s.timestamp)
}
if s.ttl != "" {
params.Set("ttl", s.ttl)
}
if s.version != nil {
params.Set("version", fmt.Sprintf("%v", s.version))
}
if s.versionType != "" {
params.Set("version_type", s.versionType)
}
return method, path, params, nil
}
// Validate checks if the operation is valid.
func (s *IndexService) Validate() error {
var invalid []string
if s.index == "" {
invalid = append(invalid, "Index")
}
if s.typ == "" {
invalid = append(invalid, "Type")
}
if s.bodyString == "" && s.bodyJson == nil {
invalid = append(invalid, "BodyJson")
}
if len(invalid) > 0 {
return fmt.Errorf("missing required fields: %v", invalid)
}
return nil
}
// Do executes the operation.
func (s *IndexService) Do(ctx context.Context) (*IndexResponse, error) {
// Check pre-conditions
if err := s.Validate(); err != nil {
return nil, err
}
// Get URL for request
method, path, params, err := s.buildURL()
if err != nil {
return nil, err
}
// Setup HTTP request body
var body interface{}
if s.bodyJson != nil {
body = s.bodyJson
} else {
body = s.bodyString
}
// Get HTTP response
res, err := s.client.PerformRequest(ctx, method, path, params, body)
if err != nil {
return nil, err
}
// Return operation response
ret := new(IndexResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// IndexResponse is the result of indexing a document in Elasticsearch.
type IndexResponse struct {
// TODO _shards { total, failed, successful }
Index string `json:"_index"`
Type string `json:"_type"`
Id string `json:"_id"`
Version int `json:"_version"`
Created bool `json:"created"`
}