/
api_op_GetIntentVersions.go
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/
api_op_GetIntentVersions.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package lexmodelbuildingservice
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/lexmodelbuildingservice/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Gets information about all of the versions of an intent. The GetIntentVersions
// operation returns an IntentMetadata object for each version of an intent. For
// example, if an intent has three numbered versions, the GetIntentVersions
// operation returns four IntentMetadata objects in the response, one for each
// numbered version and one for the $LATEST version. The GetIntentVersions
// operation always returns at least one version, the $LATEST version. This
// operation requires permissions for the lex:GetIntentVersions action.
func (c *Client) GetIntentVersions(ctx context.Context, params *GetIntentVersionsInput, optFns ...func(*Options)) (*GetIntentVersionsOutput, error) {
if params == nil {
params = &GetIntentVersionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetIntentVersions", params, optFns, c.addOperationGetIntentVersionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetIntentVersionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetIntentVersionsInput struct {
// The name of the intent for which versions should be returned.
//
// This member is required.
Name *string
// The maximum number of intent versions to return in the response. The default is
// 10.
MaxResults *int32
// A pagination token for fetching the next page of intent versions. If the
// response to this call is truncated, Amazon Lex returns a pagination token in the
// response. To fetch the next page of versions, specify the pagination token in
// the next request.
NextToken *string
noSmithyDocumentSerde
}
type GetIntentVersionsOutput struct {
// An array of IntentMetadata objects, one for each numbered version of the intent
// plus one for the $LATEST version.
Intents []types.IntentMetadata
// A pagination token for fetching the next page of intent versions. If the
// response to this call is truncated, Amazon Lex returns a pagination token in the
// response. To fetch the next page of versions, specify the pagination token in
// the next request.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetIntentVersionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpGetIntentVersions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetIntentVersions{}, middleware.After)
if err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addOpGetIntentVersionsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetIntentVersions(options.Region), middleware.Before); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
return nil
}
// GetIntentVersionsAPIClient is a client that implements the GetIntentVersions
// operation.
type GetIntentVersionsAPIClient interface {
GetIntentVersions(context.Context, *GetIntentVersionsInput, ...func(*Options)) (*GetIntentVersionsOutput, error)
}
var _ GetIntentVersionsAPIClient = (*Client)(nil)
// GetIntentVersionsPaginatorOptions is the paginator options for GetIntentVersions
type GetIntentVersionsPaginatorOptions struct {
// The maximum number of intent versions to return in the response. The default is
// 10.
Limit int32
// Set to true if pagination should stop if the service returns a pagination token
// that matches the most recent token provided to the service.
StopOnDuplicateToken bool
}
// GetIntentVersionsPaginator is a paginator for GetIntentVersions
type GetIntentVersionsPaginator struct {
options GetIntentVersionsPaginatorOptions
client GetIntentVersionsAPIClient
params *GetIntentVersionsInput
nextToken *string
firstPage bool
}
// NewGetIntentVersionsPaginator returns a new GetIntentVersionsPaginator
func NewGetIntentVersionsPaginator(client GetIntentVersionsAPIClient, params *GetIntentVersionsInput, optFns ...func(*GetIntentVersionsPaginatorOptions)) *GetIntentVersionsPaginator {
if params == nil {
params = &GetIntentVersionsInput{}
}
options := GetIntentVersionsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &GetIntentVersionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *GetIntentVersionsPaginator) HasMorePages() bool {
return p.firstPage || p.nextToken != nil
}
// NextPage retrieves the next GetIntentVersions page.
func (p *GetIntentVersionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*GetIntentVersionsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxResults = limit
result, err := p.client.GetIntentVersions(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.NextToken
if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
func newServiceMetadataMiddleware_opGetIntentVersions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "lex",
OperationName: "GetIntentVersions",
}
}