feat: shit shit

pkg/api/yandex/ymclient/client.go

@@ -0,0 +1,782 @@
+/*
+API Яндекс Маркета для продавцов
+
+API Яндекс Маркета помогает продавцам автоматизировать и упростить работу с маркетплейсом.  В числе возможностей интеграции:  * управление каталогом товаров и витриной,  * обработка заказов,  * изменение настроек магазина,  * получение отчетов.
+
+API version: LATEST
+*/
+
+// Code generated by OpenAPI Generator (https://openapi-generator.tech); DO NOT EDIT.
+
+package ymclient
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"mime/multipart"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+	"os"
+	"path/filepath"
+	"reflect"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"golang.org/x/oauth2"
+)
+
+var (
+	JsonCheck       = regexp.MustCompile(`(?i:(?:application|text)/(?:[^;]+\+)?json)`)
+	XmlCheck        = regexp.MustCompile(`(?i:(?:application|text)/(?:[^;]+\+)?xml)`)
+	queryParamSplit = regexp.MustCompile(`(^|&)([^&]+)`)
+	queryDescape    = strings.NewReplacer("%5B", "[", "%5D", "]")
+)
+
+// APIClient manages communication with the API Яндекс Маркета для продавцов API vLATEST
+// In most cases there should be only one, shared, APIClient.
+type APIClient struct {
+	cfg    *Configuration
+	common service // Reuse a single struct instead of allocating one for each service on the heap.
+
+	// API Services
+
+	AuthAPI *AuthAPIService
+
+	BidsAPI *BidsAPIService
+
+	BusinessOfferMappingsAPI *BusinessOfferMappingsAPIService
+
+	BusinessesAPI *BusinessesAPIService
+
+	CampaignsAPI *CampaignsAPIService
+
+	CategoriesAPI *CategoriesAPIService
+
+	ChatsAPI *ChatsAPIService
+
+	ContentAPI *ContentAPIService
+
+	DbsAPI *DbsAPIService
+
+	DeliveryServicesAPI *DeliveryServicesAPIService
+
+	ExpressAPI *ExpressAPIService
+
+	FbsAPI *FbsAPIService
+
+	FbyAPI *FbyAPIService
+
+	GoodsFeedbackAPI *GoodsFeedbackAPIService
+
+	GoodsStatsAPI *GoodsStatsAPIService
+
+	HiddenOffersAPI *HiddenOffersAPIService
+
+	LaasAPI *LaasAPIService
+
+	ModelsAPI *ModelsAPIService
+
+	OfferMappingsAPI *OfferMappingsAPIService
+
+	OffersAPI *OffersAPIService
+
+	OrderBusinessInformationAPI *OrderBusinessInformationAPIService
+
+	OrderDeliveryAPI *OrderDeliveryAPIService
+
+	OrderLabelsAPI *OrderLabelsAPIService
+
+	OrdersAPI *OrdersAPIService
+
+	OrdersStatsAPI *OrdersStatsAPIService
+
+	OutletLicensesAPI *OutletLicensesAPIService
+
+	OutletsAPI *OutletsAPIService
+
+	PriceQuarantineAPI *PriceQuarantineAPIService
+
+	PricesAPI *PricesAPIService
+
+	PromosAPI *PromosAPIService
+
+	RatingsAPI *RatingsAPIService
+
+	RegionsAPI *RegionsAPIService
+
+	ReportsAPI *ReportsAPIService
+
+	ReturnsAPI *ReturnsAPIService
+
+	ShipmentsAPI *ShipmentsAPIService
+
+	StocksAPI *StocksAPIService
+
+	SupplyRequestsAPI *SupplyRequestsAPIService
+
+	TariffsAPI *TariffsAPIService
+
+	WarehousesAPI *WarehousesAPIService
+}
+
+type service struct {
+	client *APIClient
+}
+
+// NewAPIClient creates a new API client. Requires a userAgent string describing your application.
+// optionally a custom http.Client to allow for advanced features such as caching.
+func NewAPIClient(cfg *Configuration) *APIClient {
+	if cfg.HTTPClient == nil {
+		cfg.HTTPClient = http.DefaultClient
+	}
+
+	c := &APIClient{}
+	c.cfg = cfg
+	c.common.client = c
+
+	// API Services
+	c.AuthAPI = (*AuthAPIService)(&c.common)
+	c.BidsAPI = (*BidsAPIService)(&c.common)
+	c.BusinessOfferMappingsAPI = (*BusinessOfferMappingsAPIService)(&c.common)
+	c.BusinessesAPI = (*BusinessesAPIService)(&c.common)
+	c.CampaignsAPI = (*CampaignsAPIService)(&c.common)
+	c.CategoriesAPI = (*CategoriesAPIService)(&c.common)
+	c.ChatsAPI = (*ChatsAPIService)(&c.common)
+	c.ContentAPI = (*ContentAPIService)(&c.common)
+	c.DbsAPI = (*DbsAPIService)(&c.common)
+	c.DeliveryServicesAPI = (*DeliveryServicesAPIService)(&c.common)
+	c.ExpressAPI = (*ExpressAPIService)(&c.common)
+	c.FbsAPI = (*FbsAPIService)(&c.common)
+	c.FbyAPI = (*FbyAPIService)(&c.common)
+	c.GoodsFeedbackAPI = (*GoodsFeedbackAPIService)(&c.common)
+	c.GoodsStatsAPI = (*GoodsStatsAPIService)(&c.common)
+	c.HiddenOffersAPI = (*HiddenOffersAPIService)(&c.common)
+	c.LaasAPI = (*LaasAPIService)(&c.common)
+	c.ModelsAPI = (*ModelsAPIService)(&c.common)
+	c.OfferMappingsAPI = (*OfferMappingsAPIService)(&c.common)
+	c.OffersAPI = (*OffersAPIService)(&c.common)
+	c.OrderBusinessInformationAPI = (*OrderBusinessInformationAPIService)(&c.common)
+	c.OrderDeliveryAPI = (*OrderDeliveryAPIService)(&c.common)
+	c.OrderLabelsAPI = (*OrderLabelsAPIService)(&c.common)
+	c.OrdersAPI = (*OrdersAPIService)(&c.common)
+	c.OrdersStatsAPI = (*OrdersStatsAPIService)(&c.common)
+	c.OutletLicensesAPI = (*OutletLicensesAPIService)(&c.common)
+	c.OutletsAPI = (*OutletsAPIService)(&c.common)
+	c.PriceQuarantineAPI = (*PriceQuarantineAPIService)(&c.common)
+	c.PricesAPI = (*PricesAPIService)(&c.common)
+	c.PromosAPI = (*PromosAPIService)(&c.common)
+	c.RatingsAPI = (*RatingsAPIService)(&c.common)
+	c.RegionsAPI = (*RegionsAPIService)(&c.common)
+	c.ReportsAPI = (*ReportsAPIService)(&c.common)
+	c.ReturnsAPI = (*ReturnsAPIService)(&c.common)
+	c.ShipmentsAPI = (*ShipmentsAPIService)(&c.common)
+	c.StocksAPI = (*StocksAPIService)(&c.common)
+	c.SupplyRequestsAPI = (*SupplyRequestsAPIService)(&c.common)
+	c.TariffsAPI = (*TariffsAPIService)(&c.common)
+	c.WarehousesAPI = (*WarehousesAPIService)(&c.common)
+
+	return c
+}
+
+func atoi(in string) (int, error) {
+	return strconv.Atoi(in)
+}
+
+// selectHeaderContentType select a content type from the available list.
+func selectHeaderContentType(contentTypes []string) string {
+	if len(contentTypes) == 0 {
+		return ""
+	}
+	if contains(contentTypes, "application/json") {
+		return "application/json"
+	}
+	return contentTypes[0] // use the first content type specified in 'consumes'
+}
+
+// selectHeaderAccept join all accept types and return
+func selectHeaderAccept(accepts []string) string {
+	if len(accepts) == 0 {
+		return ""
+	}
+
+	if contains(accepts, "application/json") {
+		return "application/json"
+	}
+
+	return strings.Join(accepts, ",")
+}
+
+// contains is a case insensitive match, finding needle in a haystack
+func contains(haystack []string, needle string) bool {
+	for _, a := range haystack {
+		if strings.EqualFold(a, needle) {
+			return true
+		}
+	}
+	return false
+}
+
+// Verify optional parameters are of the correct type.
+func typeCheckParameter(obj interface{}, expected string, name string) error {
+	// Make sure there is an object.
+	if obj == nil {
+		return nil
+	}
+
+	// Check the type is as expected.
+	if reflect.TypeOf(obj).String() != expected {
+		return fmt.Errorf("expected %s to be of type %s but received %s", name, expected, reflect.TypeOf(obj).String())
+	}
+	return nil
+}
+
+func parameterValueToString(obj interface{}, key string) string {
+	if reflect.TypeOf(obj).Kind() != reflect.Ptr {
+		if actualObj, ok := obj.(interface{ GetActualInstanceValue() interface{} }); ok {
+			return fmt.Sprintf("%v", actualObj.GetActualInstanceValue())
+		}
+
+		return fmt.Sprintf("%v", obj)
+	}
+	var param, ok = obj.(MappedNullable)
+	if !ok {
+		return ""
+	}
+	dataMap, err := param.ToMap()
+	if err != nil {
+		return ""
+	}
+	return fmt.Sprintf("%v", dataMap[key])
+}
+
+// parameterAddToHeaderOrQuery adds the provided object to the request header or url query
+// supporting deep object syntax
+func parameterAddToHeaderOrQuery(headerOrQueryParams interface{}, keyPrefix string, obj interface{}, style string, collectionType string) {
+	var v = reflect.ValueOf(obj)
+	var value = ""
+	if v == reflect.ValueOf(nil) {
+		value = "null"
+	} else {
+		switch v.Kind() {
+		case reflect.Invalid:
+			value = "invalid"
+
+		case reflect.Struct:
+			if t, ok := obj.(MappedNullable); ok {
+				dataMap, err := t.ToMap()
+				if err != nil {
+					return
+				}
+				parameterAddToHeaderOrQuery(headerOrQueryParams, keyPrefix, dataMap, style, collectionType)
+				return
+			}
+			if t, ok := obj.(time.Time); ok {
+				parameterAddToHeaderOrQuery(headerOrQueryParams, keyPrefix, t.Format(time.RFC3339Nano), style, collectionType)
+				return
+			}
+			value = v.Type().String() + " value"
+		case reflect.Slice:
+			var indValue = reflect.ValueOf(obj)
+			if indValue == reflect.ValueOf(nil) {
+				return
+			}
+			var lenIndValue = indValue.Len()
+			for i := 0; i < lenIndValue; i++ {
+				var arrayValue = indValue.Index(i)
+				var keyPrefixForCollectionType = keyPrefix
+				if style == "deepObject" {
+					keyPrefixForCollectionType = keyPrefix + "[" + strconv.Itoa(i) + "]"
+				}
+				parameterAddToHeaderOrQuery(headerOrQueryParams, keyPrefixForCollectionType, arrayValue.Interface(), style, collectionType)
+			}
+			return
+
+		case reflect.Map:
+			var indValue = reflect.ValueOf(obj)
+			if indValue == reflect.ValueOf(nil) {
+				return
+			}
+			iter := indValue.MapRange()
+			for iter.Next() {
+				k, v := iter.Key(), iter.Value()
+				parameterAddToHeaderOrQuery(headerOrQueryParams, fmt.Sprintf("%s[%s]", keyPrefix, k.String()), v.Interface(), style, collectionType)
+			}
+			return
+
+		case reflect.Interface:
+			fallthrough
+		case reflect.Ptr:
+			parameterAddToHeaderOrQuery(headerOrQueryParams, keyPrefix, v.Elem().Interface(), style, collectionType)
+			return
+
+		case reflect.Int, reflect.Int8, reflect.Int16,
+			reflect.Int32, reflect.Int64:
+			value = strconv.FormatInt(v.Int(), 10)
+		case reflect.Uint, reflect.Uint8, reflect.Uint16,
+			reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+			value = strconv.FormatUint(v.Uint(), 10)
+		case reflect.Float32, reflect.Float64:
+			value = strconv.FormatFloat(v.Float(), 'g', -1, 32)
+		case reflect.Bool:
+			value = strconv.FormatBool(v.Bool())
+		case reflect.String:
+			value = v.String()
+		default:
+			value = v.Type().String() + " value"
+		}
+	}
+
+	switch valuesMap := headerOrQueryParams.(type) {
+	case url.Values:
+		if collectionType == "csv" && valuesMap.Get(keyPrefix) != "" {
+			valuesMap.Set(keyPrefix, valuesMap.Get(keyPrefix)+","+value)
+		} else {
+			valuesMap.Add(keyPrefix, value)
+		}
+		break
+	case map[string]string:
+		valuesMap[keyPrefix] = value
+		break
+	}
+}
+
+// helper for converting interface{} parameters to json strings
+func parameterToJson(obj interface{}) (string, error) {
+	jsonBuf, err := json.Marshal(obj)
+	if err != nil {
+		return "", err
+	}
+	return string(jsonBuf), err
+}
+
+// callAPI do the request.
+func (c *APIClient) callAPI(request *http.Request) (*http.Response, error) {
+	if c.cfg.Debug {
+		dump, err := httputil.DumpRequestOut(request, true)
+		if err != nil {
+			return nil, err
+		}
+		log.Printf("\n%s\n", string(dump))
+	}
+
+	resp, err := c.cfg.HTTPClient.Do(request)
+	if err != nil {
+		return resp, err
+	}
+
+	if c.cfg.Debug {
+		dump, err := httputil.DumpResponse(resp, true)
+		if err != nil {
+			return resp, err
+		}
+		log.Printf("\n%s\n", string(dump))
+	}
+	return resp, err
+}
+
+// Allow modification of underlying config for alternate implementations and testing
+// Caution: modifying the configuration while live can cause data races and potentially unwanted behavior
+func (c *APIClient) GetConfig() *Configuration {
+	return c.cfg
+}
+
+type formFile struct {
+	fileBytes    []byte
+	fileName     string
+	formFileName string
+}
+
+// prepareRequest build the request
+func (c *APIClient) prepareRequest(
+	ctx context.Context,
+	path string, method string,
+	postBody interface{},
+	headerParams map[string]string,
+	queryParams url.Values,
+	formParams url.Values,
+	formFiles []formFile) (localVarRequest *http.Request, err error) {
+
+	var body *bytes.Buffer
+
+	// Detect postBody type and post.
+	if postBody != nil {
+		contentType := headerParams["Content-Type"]
+		if contentType == "" {
+			contentType = detectContentType(postBody)
+			headerParams["Content-Type"] = contentType
+		}
+
+		body, err = setBody(postBody, contentType)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// add form parameters and file if available.
+	if strings.HasPrefix(headerParams["Content-Type"], "multipart/form-data") && len(formParams) > 0 || (len(formFiles) > 0) {
+		if body != nil {
+			return nil, errors.New("Cannot specify postBody and multipart form at the same time.")
+		}
+		body = &bytes.Buffer{}
+		w := multipart.NewWriter(body)
+
+		for k, v := range formParams {
+			for _, iv := range v {
+				if strings.HasPrefix(k, "@") { // file
+					err = addFile(w, k[1:], iv)
+					if err != nil {
+						return nil, err
+					}
+				} else { // form value
+					w.WriteField(k, iv)
+				}
+			}
+		}
+		for _, formFile := range formFiles {
+			if len(formFile.fileBytes) > 0 && formFile.fileName != "" {
+				w.Boundary()
+				part, err := w.CreateFormFile(formFile.formFileName, filepath.Base(formFile.fileName))
+				if err != nil {
+					return nil, err
+				}
+				_, err = part.Write(formFile.fileBytes)
+				if err != nil {
+					return nil, err
+				}
+			}
+		}
+
+		// Set the Boundary in the Content-Type
+		headerParams["Content-Type"] = w.FormDataContentType()
+
+		// Set Content-Length
+		headerParams["Content-Length"] = fmt.Sprintf("%d", body.Len())
+		w.Close()
+	}
+
+	if strings.HasPrefix(headerParams["Content-Type"], "application/x-www-form-urlencoded") && len(formParams) > 0 {
+		if body != nil {
+			return nil, errors.New("Cannot specify postBody and x-www-form-urlencoded form at the same time.")
+		}
+		body = &bytes.Buffer{}
+		body.WriteString(formParams.Encode())
+		// Set Content-Length
+		headerParams["Content-Length"] = fmt.Sprintf("%d", body.Len())
+	}
+
+	// Setup path and query parameters
+	url, err := url.Parse(path)
+	if err != nil {
+		return nil, err
+	}
+
+	// Override request host, if applicable
+	if c.cfg.Host != "" {
+		url.Host = c.cfg.Host
+	}
+
+	// Override request scheme, if applicable
+	if c.cfg.Scheme != "" {
+		url.Scheme = c.cfg.Scheme
+	}
+
+	// Adding Query Param
+	query := url.Query()
+	for k, v := range queryParams {
+		for _, iv := range v {
+			query.Add(k, iv)
+		}
+	}
+
+	// Encode the parameters.
+	url.RawQuery = queryParamSplit.ReplaceAllStringFunc(query.Encode(), func(s string) string {
+		pieces := strings.Split(s, "=")
+		pieces[0] = queryDescape.Replace(pieces[0])
+		return strings.Join(pieces, "=")
+	})
+
+	// Generate a new request
+	if body != nil {
+		localVarRequest, err = http.NewRequest(method, url.String(), body)
+	} else {
+		localVarRequest, err = http.NewRequest(method, url.String(), nil)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	// add header parameters, if any
+	if len(headerParams) > 0 {
+		headers := http.Header{}
+		for h, v := range headerParams {
+			headers[h] = []string{v}
+		}
+		localVarRequest.Header = headers
+	}
+
+	// Add the user agent to the request.
+	localVarRequest.Header.Add("User-Agent", c.cfg.UserAgent)
+
+	if ctx != nil {
+		// add context to the request
+		localVarRequest = localVarRequest.WithContext(ctx)
+
+		// Walk through any authentication.
+
+		// OAuth2 authentication
+		if tok, ok := ctx.Value(ContextOAuth2).(oauth2.TokenSource); ok {
+			// We were able to grab an oauth2 token from the context
+			var latestToken *oauth2.Token
+			if latestToken, err = tok.Token(); err != nil {
+				return nil, err
+			}
+
+			latestToken.SetAuthHeader(localVarRequest)
+		}
+
+	}
+
+	for header, value := range c.cfg.DefaultHeader {
+		localVarRequest.Header.Add(header, value)
+	}
+	return localVarRequest, nil
+}
+
+func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err error) {
+	if len(b) == 0 {
+		return nil
+	}
+	if s, ok := v.(*string); ok {
+		*s = string(b)
+		return nil
+	}
+	if f, ok := v.(*os.File); ok {
+		f, err = os.CreateTemp("", "HttpClientFile")
+		if err != nil {
+			return
+		}
+		_, err = f.Write(b)
+		if err != nil {
+			return
+		}
+		_, err = f.Seek(0, io.SeekStart)
+		return
+	}
+	if f, ok := v.(**os.File); ok {
+		*f, err = os.CreateTemp("", "HttpClientFile")
+		if err != nil {
+			return
+		}
+		_, err = (*f).Write(b)
+		if err != nil {
+			return
+		}
+		_, err = (*f).Seek(0, io.SeekStart)
+		return
+	}
+	if XmlCheck.MatchString(contentType) {
+		if err = xml.Unmarshal(b, v); err != nil {
+			return err
+		}
+		return nil
+	}
+	if JsonCheck.MatchString(contentType) {
+		if actualObj, ok := v.(interface{ GetActualInstance() interface{} }); ok { // oneOf, anyOf schemas
+			if unmarshalObj, ok := actualObj.(interface{ UnmarshalJSON([]byte) error }); ok { // make sure it has UnmarshalJSON defined
+				if err = unmarshalObj.UnmarshalJSON(b); err != nil {
+					return err
+				}
+			} else {
+				return errors.New("Unknown type with GetActualInstance but no unmarshalObj.UnmarshalJSON defined")
+			}
+		} else if err = json.Unmarshal(b, v); err != nil { // simple model
+			return err
+		}
+		return nil
+	}
+	return errors.New("undefined response type")
+}
+
+// Add a file to the multipart request
+func addFile(w *multipart.Writer, fieldName, path string) error {
+	file, err := os.Open(filepath.Clean(path))
+	if err != nil {
+		return err
+	}
+	err = file.Close()
+	if err != nil {
+		return err
+	}
+
+	part, err := w.CreateFormFile(fieldName, filepath.Base(path))
+	if err != nil {
+		return err
+	}
+	_, err = io.Copy(part, file)
+
+	return err
+}
+
+// Set request body from an interface{}
+func setBody(body interface{}, contentType string) (bodyBuf *bytes.Buffer, err error) {
+	if bodyBuf == nil {
+		bodyBuf = &bytes.Buffer{}
+	}
+
+	if reader, ok := body.(io.Reader); ok {
+		_, err = bodyBuf.ReadFrom(reader)
+	} else if fp, ok := body.(*os.File); ok {
+		_, err = bodyBuf.ReadFrom(fp)
+	} else if b, ok := body.([]byte); ok {
+		_, err = bodyBuf.Write(b)
+	} else if s, ok := body.(string); ok {
+		_, err = bodyBuf.WriteString(s)
+	} else if s, ok := body.(*string); ok {
+		_, err = bodyBuf.WriteString(*s)
+	} else if JsonCheck.MatchString(contentType) {
+		err = json.NewEncoder(bodyBuf).Encode(body)
+	} else if XmlCheck.MatchString(contentType) {
+		var bs []byte
+		bs, err = xml.Marshal(body)
+		if err == nil {
+			bodyBuf.Write(bs)
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if bodyBuf.Len() == 0 {
+		err = fmt.Errorf("invalid body type %s\n", contentType)
+		return nil, err
+	}
+	return bodyBuf, nil
+}
+
+// detectContentType method is used to figure out `Request.Body` content type for request header
+func detectContentType(body interface{}) string {
+	contentType := "text/plain; charset=utf-8"
+	kind := reflect.TypeOf(body).Kind()
+
+	switch kind {
+	case reflect.Struct, reflect.Map, reflect.Ptr:
+		contentType = "application/json; charset=utf-8"
+	case reflect.String:
+		contentType = "text/plain; charset=utf-8"
+	default:
+		if b, ok := body.([]byte); ok {
+			contentType = http.DetectContentType(b)
+		} else if kind == reflect.Slice {
+			contentType = "application/json; charset=utf-8"
+		}
+	}
+
+	return contentType
+}
+
+// Ripped from https://github.com/gregjones/httpcache/blob/master/httpcache.go
+type cacheControl map[string]string
+
+func parseCacheControl(headers http.Header) cacheControl {
+	cc := cacheControl{}
+	ccHeader := headers.Get("Cache-Control")
+	for _, part := range strings.Split(ccHeader, ",") {
+		part = strings.Trim(part, " ")
+		if part == "" {
+			continue
+		}
+		if strings.ContainsRune(part, '=') {
+			keyval := strings.Split(part, "=")
+			cc[strings.Trim(keyval[0], " ")] = strings.Trim(keyval[1], ",")
+		} else {
+			cc[part] = ""
+		}
+	}
+	return cc
+}
+
+// CacheExpires helper function to determine remaining time before repeating a request.
+func CacheExpires(r *http.Response) time.Time {
+	// Figure out when the cache expires.
+	var expires time.Time
+	now, err := time.Parse(time.RFC1123, r.Header.Get("date"))
+	if err != nil {
+		return time.Now()
+	}
+	respCacheControl := parseCacheControl(r.Header)
+
+	if maxAge, ok := respCacheControl["max-age"]; ok {
+		lifetime, err := time.ParseDuration(maxAge + "s")
+		if err != nil {
+			expires = now
+		} else {
+			expires = now.Add(lifetime)
+		}
+	} else {
+		expiresHeader := r.Header.Get("Expires")
+		if expiresHeader != "" {
+			expires, err = time.Parse(time.RFC1123, expiresHeader)
+			if err != nil {
+				expires = now
+			}
+		}
+	}
+	return expires
+}
+
+func strlen(s string) int {
+	return utf8.RuneCountInString(s)
+}
+
+// GenericOpenAPIError Provides access to the body, error and model on returned errors.
+type GenericOpenAPIError struct {
+	body  []byte
+	error string
+	model interface{}
+}
+
+// Error returns non-empty string if there was an error.
+func (e GenericOpenAPIError) Error() string {
+	return e.error
+}
+
+// Body returns the raw bytes of the response
+func (e GenericOpenAPIError) Body() []byte {
+	return e.body
+}
+
+// Model returns the unpacked model of the error
+func (e GenericOpenAPIError) Model() interface{} {
+	return e.model
+}
+
+// format error message using title and detail when model implements rfc7807
+func formatErrorMessage(status string, v interface{}) string {
+	str := ""
+	metaValue := reflect.ValueOf(v).Elem()
+
+	if metaValue.Kind() == reflect.Struct {
+		field := metaValue.FieldByName("Title")
+		if field != (reflect.Value{}) {
+			str = fmt.Sprintf("%s", field.Interface())
+		}
+
+		field = metaValue.FieldByName("Detail")
+		if field != (reflect.Value{}) {
+			str = fmt.Sprintf("%s (%s)", str, field.Interface())
+		}
+	}
+
+	return strings.TrimSpace(fmt.Sprintf("%s %s", status, str))
+}