forked from forgejo/forgejo
Issue search support elasticsearch (#9428)
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
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Lunny Xiao
GitHub
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17656021f1
commit
5dbf36f356
286 changed files with 57032 additions and 25 deletions
320
vendor/github.com/olivere/elastic/v7/indices_analyze.go
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vendor/github.com/olivere/elastic/v7/indices_analyze.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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"fmt"
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"net/http"
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"net/url"
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"strings"
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"github.com/olivere/elastic/v7/uritemplates"
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)
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// IndicesAnalyzeService performs the analysis process on a text and returns
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// the tokens breakdown of the text.
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//
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/indices-analyze.html
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// for detail.
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type IndicesAnalyzeService struct {
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client *Client
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pretty *bool // pretty format the returned JSON response
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human *bool // return human readable values for statistics
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errorTrace *bool // include the stack trace of returned errors
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filterPath []string // list of filters used to reduce the response
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headers http.Header // custom request-level HTTP headers
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index string
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request *IndicesAnalyzeRequest
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format string
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preferLocal *bool
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bodyJson interface{}
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bodyString string
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}
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// NewIndicesAnalyzeService creates a new IndicesAnalyzeService.
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func NewIndicesAnalyzeService(client *Client) *IndicesAnalyzeService {
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return &IndicesAnalyzeService{
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client: client,
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request: new(IndicesAnalyzeRequest),
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}
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}
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// Pretty tells Elasticsearch whether to return a formatted JSON response.
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func (s *IndicesAnalyzeService) Pretty(pretty bool) *IndicesAnalyzeService {
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s.pretty = &pretty
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return s
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}
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// Human specifies whether human readable values should be returned in
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// the JSON response, e.g. "7.5mb".
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func (s *IndicesAnalyzeService) Human(human bool) *IndicesAnalyzeService {
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s.human = &human
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return s
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}
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// ErrorTrace specifies whether to include the stack trace of returned errors.
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func (s *IndicesAnalyzeService) ErrorTrace(errorTrace bool) *IndicesAnalyzeService {
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s.errorTrace = &errorTrace
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return s
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}
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// FilterPath specifies a list of filters used to reduce the response.
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func (s *IndicesAnalyzeService) FilterPath(filterPath ...string) *IndicesAnalyzeService {
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s.filterPath = filterPath
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return s
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}
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// Header adds a header to the request.
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func (s *IndicesAnalyzeService) Header(name string, value string) *IndicesAnalyzeService {
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if s.headers == nil {
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s.headers = http.Header{}
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}
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s.headers.Add(name, value)
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return s
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}
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// Headers specifies the headers of the request.
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func (s *IndicesAnalyzeService) Headers(headers http.Header) *IndicesAnalyzeService {
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s.headers = headers
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return s
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}
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// Index is the name of the index to scope the operation.
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func (s *IndicesAnalyzeService) Index(index string) *IndicesAnalyzeService {
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s.index = index
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return s
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}
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// Format of the output.
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func (s *IndicesAnalyzeService) Format(format string) *IndicesAnalyzeService {
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s.format = format
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return s
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}
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// PreferLocal, when true, specifies that a local shard should be used
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// if available. When false, a random shard is used (default: true).
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func (s *IndicesAnalyzeService) PreferLocal(preferLocal bool) *IndicesAnalyzeService {
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s.preferLocal = &preferLocal
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return s
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}
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// Request passes the analyze request to use.
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func (s *IndicesAnalyzeService) Request(request *IndicesAnalyzeRequest) *IndicesAnalyzeService {
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if request == nil {
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s.request = new(IndicesAnalyzeRequest)
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} else {
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s.request = request
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}
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return s
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}
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// Analyzer is the name of the analyzer to use.
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func (s *IndicesAnalyzeService) Analyzer(analyzer string) *IndicesAnalyzeService {
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s.request.Analyzer = analyzer
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return s
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}
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// Attributes is a list of token attributes to output; this parameter works
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// only with explain=true.
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func (s *IndicesAnalyzeService) Attributes(attributes ...string) *IndicesAnalyzeService {
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s.request.Attributes = attributes
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return s
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}
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// CharFilter is a list of character filters to use for the analysis.
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func (s *IndicesAnalyzeService) CharFilter(charFilter ...string) *IndicesAnalyzeService {
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s.request.CharFilter = charFilter
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return s
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}
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// Explain, when true, outputs more advanced details (default: false).
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func (s *IndicesAnalyzeService) Explain(explain bool) *IndicesAnalyzeService {
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s.request.Explain = explain
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return s
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}
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// Field specifies to use a specific analyzer configured for this field (instead of passing the analyzer name).
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func (s *IndicesAnalyzeService) Field(field string) *IndicesAnalyzeService {
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s.request.Field = field
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return s
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}
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// Filter is a list of filters to use for the analysis.
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func (s *IndicesAnalyzeService) Filter(filter ...string) *IndicesAnalyzeService {
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s.request.Filter = filter
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return s
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}
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// Text is the text on which the analysis should be performed (when request body is not used).
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func (s *IndicesAnalyzeService) Text(text ...string) *IndicesAnalyzeService {
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s.request.Text = text
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return s
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}
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// Tokenizer is the name of the tokenizer to use for the analysis.
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func (s *IndicesAnalyzeService) Tokenizer(tokenizer string) *IndicesAnalyzeService {
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s.request.Tokenizer = tokenizer
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return s
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}
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// BodyJson is the text on which the analysis should be performed.
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func (s *IndicesAnalyzeService) BodyJson(body interface{}) *IndicesAnalyzeService {
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s.bodyJson = body
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return s
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}
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// BodyString is the text on which the analysis should be performed.
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func (s *IndicesAnalyzeService) BodyString(body string) *IndicesAnalyzeService {
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s.bodyString = body
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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 *IndicesAnalyzeService) buildURL() (string, url.Values, error) {
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// Build URL
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var err error
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var path string
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if s.index == "" {
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path = "/_analyze"
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} else {
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path, err = uritemplates.Expand("/{index}/_analyze", map[string]string{
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"index": s.index,
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})
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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 v := s.pretty; v != nil {
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params.Set("pretty", fmt.Sprint(*v))
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}
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if v := s.human; v != nil {
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params.Set("human", fmt.Sprint(*v))
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}
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if v := s.errorTrace; v != nil {
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params.Set("error_trace", fmt.Sprint(*v))
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}
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if len(s.filterPath) > 0 {
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params.Set("filter_path", strings.Join(s.filterPath, ","))
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}
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if s.format != "" {
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params.Set("format", s.format)
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}
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if s.preferLocal != nil {
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params.Set("prefer_local", fmt.Sprintf("%v", *s.preferLocal))
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}
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return path, params, nil
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}
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// Do will execute the request with the given context.
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func (s *IndicesAnalyzeService) Do(ctx context.Context) (*IndicesAnalyzeResponse, 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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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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// Setup HTTP request body
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var body interface{}
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if s.bodyJson != nil {
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body = s.bodyJson
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} else if s.bodyString != "" {
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body = s.bodyString
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} else {
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// Request parameters are deprecated in 5.1.1, and we must use a JSON
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// structure in the body to pass the parameters.
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// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/indices-analyze.html
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body = s.request
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}
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res, err := s.client.PerformRequest(ctx, PerformRequestOptions{
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Method: "POST",
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Path: path,
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Params: params,
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Body: body,
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Headers: s.headers,
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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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ret := new(IndicesAnalyzeResponse)
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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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func (s *IndicesAnalyzeService) Validate() error {
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var invalid []string
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if s.bodyJson == nil && s.bodyString == "" {
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if len(s.request.Text) == 0 {
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invalid = append(invalid, "Text")
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}
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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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// IndicesAnalyzeRequest specifies the parameters of the analyze request.
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type IndicesAnalyzeRequest struct {
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Text []string `json:"text,omitempty"`
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Analyzer string `json:"analyzer,omitempty"`
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Tokenizer string `json:"tokenizer,omitempty"`
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Filter []string `json:"filter,omitempty"`
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CharFilter []string `json:"char_filter,omitempty"`
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Field string `json:"field,omitempty"`
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Explain bool `json:"explain,omitempty"`
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Attributes []string `json:"attributes,omitempty"`
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}
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type IndicesAnalyzeResponse struct {
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Tokens []AnalyzeToken `json:"tokens"` // json part for normal message
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Detail IndicesAnalyzeResponseDetail `json:"detail"` // json part for verbose message of explain request
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}
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type AnalyzeTokenList struct {
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Name string `json:"name"`
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Tokens []AnalyzeToken `json:"tokens,omitempty"`
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}
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type AnalyzeToken struct {
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Token string `json:"token"`
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Type string `json:"type"` // e.g. "<ALPHANUM>"
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StartOffset int `json:"start_offset"`
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EndOffset int `json:"end_offset"`
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Bytes string `json:"bytes"` // e.g. "[67 75 79]"
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Position int `json:"position"`
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PositionLength int `json:"positionLength"` // seems to be wrong in 7.2+ (no snake_case), see https://github.com/elastic/elasticsearch/blob/7.2/server/src/main/java/org/elasticsearch/action/admin/indices/analyze/AnalyzeResponse.java
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TermFrequency int `json:"termFrequency"`
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Keyword bool `json:"keyword"`
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}
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type CharFilteredText struct {
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Name string `json:"name"`
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FilteredText []string `json:"filtered_text"`
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}
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type IndicesAnalyzeResponseDetail struct {
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CustomAnalyzer bool `json:"custom_analyzer"`
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Analyzer *AnalyzeTokenList `json:"analyzer,omitempty"`
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Charfilters []*CharFilteredText `json:"charfilters,omitempty"`
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Tokenizer *AnalyzeTokenList `json:"tokenizer,omitempty"`
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TokenFilters []*AnalyzeTokenList `json:"tokenfilters,omitempty"`
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}
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