Issue search support elasticsearch (#9428)

* Issue search support elasticsearch

* Fix lint

* Add indexer name on app.ini

* add a warnning on SearchIssuesByKeyword

* improve code

vendor/github.com/olivere/elastic/v7/update.go

@@ -0,0 +1,412 @@
+// 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/http"
+	"net/url"
+	"strings"
+
+	"github.com/olivere/elastic/v7/uritemplates"
+)
+
+// UpdateService updates a document in Elasticsearch.
+// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-update.html
+// for details.
+type UpdateService struct {
+	client *Client
+
+	pretty     *bool       // pretty format the returned JSON response
+	human      *bool       // return human readable values for statistics
+	errorTrace *bool       // include the stack trace of returned errors
+	filterPath []string    // list of filters used to reduce the response
+	headers    http.Header // custom request-level HTTP headers
+
+	index               string
+	typ                 string
+	id                  string
+	routing             string
+	parent              string
+	script              *Script
+	fields              []string
+	fsc                 *FetchSourceContext
+	version             *int64
+	versionType         string
+	retryOnConflict     *int
+	refresh             string
+	waitForActiveShards string
+	upsert              interface{}
+	scriptedUpsert      *bool
+	docAsUpsert         *bool
+	detectNoop          *bool
+	doc                 interface{}
+	timeout             string
+	ifSeqNo             *int64
+	ifPrimaryTerm       *int64
+}
+
+// NewUpdateService creates the service to update documents in Elasticsearch.
+func NewUpdateService(client *Client) *UpdateService {
+	return &UpdateService{
+		client: client,
+		typ:    "_doc",
+		fields: make([]string, 0),
+	}
+}
+
+// Pretty tells Elasticsearch whether to return a formatted JSON response.
+func (s *UpdateService) Pretty(pretty bool) *UpdateService {
+	s.pretty = &pretty
+	return s
+}
+
+// Human specifies whether human readable values should be returned in
+// the JSON response, e.g. "7.5mb".
+func (s *UpdateService) Human(human bool) *UpdateService {
+	s.human = &human
+	return s
+}
+
+// ErrorTrace specifies whether to include the stack trace of returned errors.
+func (s *UpdateService) ErrorTrace(errorTrace bool) *UpdateService {
+	s.errorTrace = &errorTrace
+	return s
+}
+
+// FilterPath specifies a list of filters used to reduce the response.
+func (s *UpdateService) FilterPath(filterPath ...string) *UpdateService {
+	s.filterPath = filterPath
+	return s
+}
+
+// Header adds a header to the request.
+func (s *UpdateService) Header(name string, value string) *UpdateService {
+	if s.headers == nil {
+		s.headers = http.Header{}
+	}
+	s.headers.Add(name, value)
+	return s
+}
+
+// Headers specifies the headers of the request.
+func (s *UpdateService) Headers(headers http.Header) *UpdateService {
+	s.headers = headers
+	return s
+}
+
+// Index is the name of the Elasticsearch index (required).
+func (s *UpdateService) Index(name string) *UpdateService {
+	s.index = name
+	return s
+}
+
+// Type is the type of the document.
+//
+// Deprecated: Types are in the process of being removed.
+func (s *UpdateService) Type(typ string) *UpdateService {
+	s.typ = typ
+	return s
+}
+
+// Id is the identifier of the document to update (required).
+func (s *UpdateService) Id(id string) *UpdateService {
+	s.id = id
+	return s
+}
+
+// Routing specifies a specific routing value.
+func (s *UpdateService) Routing(routing string) *UpdateService {
+	s.routing = routing
+	return s
+}
+
+// Parent sets the id of the parent document.
+func (s *UpdateService) Parent(parent string) *UpdateService {
+	s.parent = parent
+	return s
+}
+
+// Script is the script definition.
+func (s *UpdateService) Script(script *Script) *UpdateService {
+	s.script = script
+	return s
+}
+
+// RetryOnConflict specifies how many times the operation should be retried
+// when a conflict occurs (default: 0).
+func (s *UpdateService) RetryOnConflict(retryOnConflict int) *UpdateService {
+	s.retryOnConflict = &retryOnConflict
+	return s
+}
+
+// Fields is a list of fields to return in the response.
+func (s *UpdateService) Fields(fields ...string) *UpdateService {
+	s.fields = make([]string, 0, len(fields))
+	s.fields = append(s.fields, fields...)
+	return s
+}
+
+// Version defines the explicit version number for concurrency control.
+func (s *UpdateService) Version(version int64) *UpdateService {
+	s.version = &version
+	return s
+}
+
+// VersionType is e.g. "internal".
+func (s *UpdateService) VersionType(versionType string) *UpdateService {
+	s.versionType = versionType
+	return s
+}
+
+// Refresh the index after performing the update.
+//
+// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/docs-refresh.html
+// for details.
+func (s *UpdateService) Refresh(refresh string) *UpdateService {
+	s.refresh = refresh
+	return s
+}
+
+// WaitForActiveShards sets the number of shard copies that must be active before
+// proceeding with the update 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 *UpdateService) WaitForActiveShards(waitForActiveShards string) *UpdateService {
+	s.waitForActiveShards = waitForActiveShards
+	return s
+}
+
+// Doc allows for updating a partial document.
+func (s *UpdateService) Doc(doc interface{}) *UpdateService {
+	s.doc = doc
+	return s
+}
+
+// Upsert can be used to index the document when it doesn't exist yet.
+// Use this e.g. to initialize a document with a default value.
+func (s *UpdateService) Upsert(doc interface{}) *UpdateService {
+	s.upsert = doc
+	return s
+}
+
+// DocAsUpsert can be used to insert the document if it doesn't already exist.
+func (s *UpdateService) DocAsUpsert(docAsUpsert bool) *UpdateService {
+	s.docAsUpsert = &docAsUpsert
+	return s
+}
+
+// DetectNoop will instruct Elasticsearch to check if changes will occur
+// when updating via Doc. It there aren't any changes, the request will
+// turn into a no-op.
+func (s *UpdateService) DetectNoop(detectNoop bool) *UpdateService {
+	s.detectNoop = &detectNoop
+	return s
+}
+
+// ScriptedUpsert should be set to true if the referenced script
+// (defined in Script or ScriptId) should be called to perform an insert.
+// The default is false.
+func (s *UpdateService) ScriptedUpsert(scriptedUpsert bool) *UpdateService {
+	s.scriptedUpsert = &scriptedUpsert
+	return s
+}
+
+// Timeout is an explicit timeout for the operation, e.g. "1000", "1s" or "500ms".
+func (s *UpdateService) Timeout(timeout string) *UpdateService {
+	s.timeout = timeout
+	return s
+}
+
+// IfSeqNo indicates to only perform the update operation if the last
+// operation that has changed the document has the specified sequence number.
+func (s *UpdateService) IfSeqNo(seqNo int64) *UpdateService {
+	s.ifSeqNo = &seqNo
+	return s
+}
+
+// IfPrimaryTerm indicates to only perform the update operation if the
+// last operation that has changed the document has the specified primary term.
+func (s *UpdateService) IfPrimaryTerm(primaryTerm int64) *UpdateService {
+	s.ifPrimaryTerm = &primaryTerm
+	return s
+}
+
+// FetchSource asks Elasticsearch to return the updated _source in the response.
+func (s *UpdateService) FetchSource(fetchSource bool) *UpdateService {
+	if s.fsc == nil {
+		s.fsc = NewFetchSourceContext(fetchSource)
+	} else {
+		s.fsc.SetFetchSource(fetchSource)
+	}
+	return s
+}
+
+// FetchSourceContext indicates that _source should be returned in the response,
+// allowing wildcard patterns to be defined via FetchSourceContext.
+func (s *UpdateService) FetchSourceContext(fetchSourceContext *FetchSourceContext) *UpdateService {
+	s.fsc = fetchSourceContext
+	return s
+}
+
+// url returns the URL part of the document request.
+func (s *UpdateService) url() (string, url.Values, error) {
+	// Build url
+	var path string
+	var err error
+	if s.typ == "" || s.typ == "_doc" {
+		path, err = uritemplates.Expand("/{index}/_update/{id}", map[string]string{
+			"index": s.index,
+			"id":    s.id,
+		})
+	} else {
+		path, err = uritemplates.Expand("/{index}/{type}/{id}/_update", map[string]string{
+			"index": s.index,
+			"type":  s.typ,
+			"id":    s.id,
+		})
+	}
+	if err != nil {
+		return "", url.Values{}, err
+	}
+
+	// Parameters
+	params := url.Values{}
+	if v := s.pretty; v != nil {
+		params.Set("pretty", fmt.Sprint(*v))
+	}
+	if v := s.human; v != nil {
+		params.Set("human", fmt.Sprint(*v))
+	}
+	if v := s.errorTrace; v != nil {
+		params.Set("error_trace", fmt.Sprint(*v))
+	}
+	if len(s.filterPath) > 0 {
+		params.Set("filter_path", strings.Join(s.filterPath, ","))
+	}
+	if s.routing != "" {
+		params.Set("routing", s.routing)
+	}
+	if s.parent != "" {
+		params.Set("parent", s.parent)
+	}
+	if s.timeout != "" {
+		params.Set("timeout", s.timeout)
+	}
+	if s.refresh != "" {
+		params.Set("refresh", s.refresh)
+	}
+	if s.waitForActiveShards != "" {
+		params.Set("wait_for_active_shards", s.waitForActiveShards)
+	}
+	if len(s.fields) > 0 {
+		params.Set("fields", strings.Join(s.fields, ","))
+	}
+	if s.version != nil {
+		params.Set("version", fmt.Sprintf("%d", *s.version))
+	}
+	if s.versionType != "" {
+		params.Set("version_type", s.versionType)
+	}
+	if s.retryOnConflict != nil {
+		params.Set("retry_on_conflict", fmt.Sprintf("%v", *s.retryOnConflict))
+	}
+	if v := s.ifSeqNo; v != nil {
+		params.Set("if_seq_no", fmt.Sprintf("%d", *v))
+	}
+	if v := s.ifPrimaryTerm; v != nil {
+		params.Set("if_primary_term", fmt.Sprintf("%d", *v))
+	}
+	return path, params, nil
+}
+
+// body returns the body part of the document request.
+func (s *UpdateService) body() (interface{}, error) {
+	source := make(map[string]interface{})
+
+	if s.script != nil {
+		src, err := s.script.Source()
+		if err != nil {
+			return nil, err
+		}
+		source["script"] = src
+	}
+
+	if v := s.scriptedUpsert; v != nil {
+		source["scripted_upsert"] = *v
+	}
+
+	if s.upsert != nil {
+		source["upsert"] = s.upsert
+	}
+
+	if s.doc != nil {
+		source["doc"] = s.doc
+	}
+	if v := s.docAsUpsert; v != nil {
+		source["doc_as_upsert"] = *v
+	}
+	if v := s.detectNoop; v != nil {
+		source["detect_noop"] = *v
+	}
+	if s.fsc != nil {
+		src, err := s.fsc.Source()
+		if err != nil {
+			return nil, err
+		}
+		source["_source"] = src
+	}
+
+	return source, nil
+}
+
+// Do executes the update operation.
+func (s *UpdateService) Do(ctx context.Context) (*UpdateResponse, error) {
+	path, params, err := s.url()
+	if err != nil {
+		return nil, err
+	}
+
+	// Get body of the request
+	body, err := s.body()
+	if err != nil {
+		return nil, err
+	}
+
+	// Get response
+	res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
+		Method:  "POST",
+		Path:    path,
+		Params:  params,
+		Body:    body,
+		Headers: s.headers,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	// Return result
+	ret := new(UpdateResponse)
+	if err := s.client.decoder.Decode(res.Body, ret); err != nil {
+		return nil, err
+	}
+	return ret, nil
+}
+
+// UpdateResponse is the result of updating a document in Elasticsearch.
+type UpdateResponse struct {
+	Index         string      `json:"_index,omitempty"`
+	Type          string      `json:"_type,omitempty"`
+	Id            string      `json:"_id,omitempty"`
+	Version       int64       `json:"_version,omitempty"`
+	Result        string      `json:"result,omitempty"`
+	Shards        *ShardsInfo `json:"_shards,omitempty"`
+	SeqNo         int64       `json:"_seq_no,omitempty"`
+	PrimaryTerm   int64       `json:"_primary_term,omitempty"`
+	Status        int         `json:"status,omitempty"`
+	ForcedRefresh bool        `json:"forced_refresh,omitempty"`
+	GetResult     *GetResult  `json:"get,omitempty"`
+}