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// Code generated by smithy-go-codegen DO NOT EDIT.
package personalizeruntime
import (
"context"
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/personalizeruntime/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Re-ranks a list of recommended items for the given user. The first item in the
// list is deemed the most likely item to be of interest to the user. The solution
// backing the campaign must have been created using a recipe of type
// PERSONALIZED_RANKING.
func (c *Client) GetPersonalizedRanking(ctx context.Context, params *GetPersonalizedRankingInput, optFns ...func(*Options)) (*GetPersonalizedRankingOutput, error) {
if params == nil {
params = &GetPersonalizedRankingInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetPersonalizedRanking", params, optFns, c.addOperationGetPersonalizedRankingMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetPersonalizedRankingOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetPersonalizedRankingInput struct {
// The Amazon Resource Name (ARN) of the campaign to use for generating the
// personalized ranking.
//
// This member is required.
CampaignArn *string
// A list of items (by itemId) to rank. If an item was not included in the training
// dataset, the item is appended to the end of the reranked list. The maximum is
// 500.
//
// This member is required.
InputList []string
// The user for which you want the campaign to provide a personalized ranking.
//
// This member is required.
UserId *string
// The contextual metadata to use when getting recommendations. Contextual metadata
// includes any interaction information that might be relevant when getting a
// user's recommendations, such as the user's current location or device type.
Context map[string]string
// The Amazon Resource Name (ARN) of a filter you created to include items or
// exclude items from recommendations for a given user. For more information, see
// Filtering Recommendations
// (https://docs.aws.amazon.com/personalize/latest/dg/filter.html).
FilterArn *string
// The values to use when filtering recommendations. For each placeholder parameter
// in your filter expression, provide the parameter name (in matching case) as a
// key and the filter value(s) as the corresponding value. Separate multiple values
// for one parameter with a comma. For filter expressions that use an INCLUDE
// element to include items, you must provide values for all parameters that are
// defined in the expression. For filters with expressions that use an EXCLUDE
// element to exclude items, you can omit the filter-values.In this case, Amazon
// Personalize doesn't use that portion of the expression to filter
// recommendations. For more information, see Filtering Recommendations
// (https://docs.aws.amazon.com/personalize/latest/dg/filter.html).
FilterValues map[string]string
noSmithyDocumentSerde
}
type GetPersonalizedRankingOutput struct {
// A list of items in order of most likely interest to the user. The maximum is
// 500.
PersonalizedRanking []types.PredictedItem
// The ID of the recommendation.
RecommendationId *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetPersonalizedRankingMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsRestjson1_serializeOpGetPersonalizedRanking{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetPersonalizedRanking{}, 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 = addOpGetPersonalizedRankingValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetPersonalizedRanking(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
}
func newServiceMetadataMiddleware_opGetPersonalizedRanking(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "personalize",
OperationName: "GetPersonalizedRanking",
}
}
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