func()

in opensearchapi/api.search_template.go [89:227]
111 lines of code
30 McCabe index (conditional complexity)

func (r SearchTemplateRequest) Do(ctx context.Context, transport Transport) (*Response, error) {
	var (
		method string
		path   strings.Builder
		params map[string]string
	)

	method = "POST"

	path.Grow(1 + len(strings.Join(r.Index, ",")) + 1 + len(strings.Join(r.DocumentType, ",")) + 1 + len("_search") + 1 + len("template"))
	if len(r.Index) > 0 {
		path.WriteString("/")
		path.WriteString(strings.Join(r.Index, ","))
	}
	if len(r.DocumentType) > 0 {
		path.WriteString("/")
		path.WriteString(strings.Join(r.DocumentType, ","))
	}
	path.WriteString("/")
	path.WriteString("_search")
	path.WriteString("/")
	path.WriteString("template")

	params = make(map[string]string)

	if r.AllowNoIndices != nil {
		params["allow_no_indices"] = strconv.FormatBool(*r.AllowNoIndices)
	}

	if r.CcsMinimizeRoundtrips != nil {
		params["ccs_minimize_roundtrips"] = strconv.FormatBool(*r.CcsMinimizeRoundtrips)
	}

	if r.ExpandWildcards != "" {
		params["expand_wildcards"] = r.ExpandWildcards
	}

	if r.Explain != nil {
		params["explain"] = strconv.FormatBool(*r.Explain)
	}

	if r.IgnoreThrottled != nil {
		params["ignore_throttled"] = strconv.FormatBool(*r.IgnoreThrottled)
	}

	if r.IgnoreUnavailable != nil {
		params["ignore_unavailable"] = strconv.FormatBool(*r.IgnoreUnavailable)
	}

	if r.Preference != "" {
		params["preference"] = r.Preference
	}

	if r.Profile != nil {
		params["profile"] = strconv.FormatBool(*r.Profile)
	}

	if r.RestTotalHitsAsInt != nil {
		params["rest_total_hits_as_int"] = strconv.FormatBool(*r.RestTotalHitsAsInt)
	}

	if len(r.Routing) > 0 {
		params["routing"] = strings.Join(r.Routing, ",")
	}

	if r.Scroll != 0 {
		params["scroll"] = formatDuration(r.Scroll)
	}

	if r.SearchType != "" {
		params["search_type"] = r.SearchType
	}

	if r.TypedKeys != nil {
		params["typed_keys"] = strconv.FormatBool(*r.TypedKeys)
	}

	if r.Pretty {
		params["pretty"] = "true"
	}

	if r.Human {
		params["human"] = "true"
	}

	if r.ErrorTrace {
		params["error_trace"] = "true"
	}

	if len(r.FilterPath) > 0 {
		params["filter_path"] = strings.Join(r.FilterPath, ",")
	}

	req, err := newRequest(method, path.String(), r.Body)
	if err != nil {
		return nil, err
	}

	if len(params) > 0 {
		q := req.URL.Query()
		for k, v := range params {
			q.Set(k, v)
		}
		req.URL.RawQuery = q.Encode()
	}

	if r.Body != nil {
		req.Header[headerContentType] = headerContentTypeJSON
	}

	if len(r.Header) > 0 {
		if len(req.Header) == 0 {
			req.Header = r.Header
		} else {
			for k, vv := range r.Header {
				for _, v := range vv {
					req.Header.Add(k, v)
				}
			}
		}
	}

	if ctx != nil {
		req = req.WithContext(ctx)
	}

	res, err := transport.Perform(req)
	if err != nil {
		return nil, err
	}

	response := Response{
		StatusCode: res.StatusCode,
		Body:       res.Body,
		Header:     res.Header,
	}

	return &response, nil
}