1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package personalize
4
5import (
6	"context"
7	"fmt"
8	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
9	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
10	"github.com/aws/aws-sdk-go-v2/service/personalize/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns a list of dataset groups. The response provides the properties for each
16// dataset group, including the Amazon Resource Name (ARN). For more information on
17// dataset groups, see CreateDatasetGroup.
18func (c *Client) ListDatasetGroups(ctx context.Context, params *ListDatasetGroupsInput, optFns ...func(*Options)) (*ListDatasetGroupsOutput, error) {
19	if params == nil {
20		params = &ListDatasetGroupsInput{}
21	}
22
23	result, metadata, err := c.invokeOperation(ctx, "ListDatasetGroups", params, optFns, addOperationListDatasetGroupsMiddlewares)
24	if err != nil {
25		return nil, err
26	}
27
28	out := result.(*ListDatasetGroupsOutput)
29	out.ResultMetadata = metadata
30	return out, nil
31}
32
33type ListDatasetGroupsInput struct {
34
35	// The maximum number of dataset groups to return.
36	MaxResults *int32
37
38	// A token returned from the previous call to ListDatasetGroups for getting the
39	// next set of dataset groups (if they exist).
40	NextToken *string
41}
42
43type ListDatasetGroupsOutput struct {
44
45	// The list of your dataset groups.
46	DatasetGroups []types.DatasetGroupSummary
47
48	// A token for getting the next set of dataset groups (if they exist).
49	NextToken *string
50
51	// Metadata pertaining to the operation's result.
52	ResultMetadata middleware.Metadata
53}
54
55func addOperationListDatasetGroupsMiddlewares(stack *middleware.Stack, options Options) (err error) {
56	err = stack.Serialize.Add(&awsAwsjson11_serializeOpListDatasetGroups{}, middleware.After)
57	if err != nil {
58		return err
59	}
60	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListDatasetGroups{}, middleware.After)
61	if err != nil {
62		return err
63	}
64	if err = addSetLoggerMiddleware(stack, options); err != nil {
65		return err
66	}
67	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
68		return err
69	}
70	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
71		return err
72	}
73	if err = addResolveEndpointMiddleware(stack, options); err != nil {
74		return err
75	}
76	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
77		return err
78	}
79	if err = addRetryMiddlewares(stack, options); err != nil {
80		return err
81	}
82	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
83		return err
84	}
85	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
86		return err
87	}
88	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
89		return err
90	}
91	if err = addClientUserAgent(stack); err != nil {
92		return err
93	}
94	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
95		return err
96	}
97	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
98		return err
99	}
100	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListDatasetGroups(options.Region), middleware.Before); err != nil {
101		return err
102	}
103	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
104		return err
105	}
106	if err = addResponseErrorMiddleware(stack); err != nil {
107		return err
108	}
109	if err = addRequestResponseLogging(stack, options); err != nil {
110		return err
111	}
112	return nil
113}
114
115// ListDatasetGroupsAPIClient is a client that implements the ListDatasetGroups
116// operation.
117type ListDatasetGroupsAPIClient interface {
118	ListDatasetGroups(context.Context, *ListDatasetGroupsInput, ...func(*Options)) (*ListDatasetGroupsOutput, error)
119}
120
121var _ ListDatasetGroupsAPIClient = (*Client)(nil)
122
123// ListDatasetGroupsPaginatorOptions is the paginator options for ListDatasetGroups
124type ListDatasetGroupsPaginatorOptions struct {
125	// The maximum number of dataset groups to return.
126	Limit int32
127
128	// Set to true if pagination should stop if the service returns a pagination token
129	// that matches the most recent token provided to the service.
130	StopOnDuplicateToken bool
131}
132
133// ListDatasetGroupsPaginator is a paginator for ListDatasetGroups
134type ListDatasetGroupsPaginator struct {
135	options   ListDatasetGroupsPaginatorOptions
136	client    ListDatasetGroupsAPIClient
137	params    *ListDatasetGroupsInput
138	nextToken *string
139	firstPage bool
140}
141
142// NewListDatasetGroupsPaginator returns a new ListDatasetGroupsPaginator
143func NewListDatasetGroupsPaginator(client ListDatasetGroupsAPIClient, params *ListDatasetGroupsInput, optFns ...func(*ListDatasetGroupsPaginatorOptions)) *ListDatasetGroupsPaginator {
144	options := ListDatasetGroupsPaginatorOptions{}
145	if params.MaxResults != nil {
146		options.Limit = *params.MaxResults
147	}
148
149	for _, fn := range optFns {
150		fn(&options)
151	}
152
153	if params == nil {
154		params = &ListDatasetGroupsInput{}
155	}
156
157	return &ListDatasetGroupsPaginator{
158		options:   options,
159		client:    client,
160		params:    params,
161		firstPage: true,
162	}
163}
164
165// HasMorePages returns a boolean indicating whether more pages are available
166func (p *ListDatasetGroupsPaginator) HasMorePages() bool {
167	return p.firstPage || p.nextToken != nil
168}
169
170// NextPage retrieves the next ListDatasetGroups page.
171func (p *ListDatasetGroupsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListDatasetGroupsOutput, error) {
172	if !p.HasMorePages() {
173		return nil, fmt.Errorf("no more pages available")
174	}
175
176	params := *p.params
177	params.NextToken = p.nextToken
178
179	var limit *int32
180	if p.options.Limit > 0 {
181		limit = &p.options.Limit
182	}
183	params.MaxResults = limit
184
185	result, err := p.client.ListDatasetGroups(ctx, &params, optFns...)
186	if err != nil {
187		return nil, err
188	}
189	p.firstPage = false
190
191	prevToken := p.nextToken
192	p.nextToken = result.NextToken
193
194	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
195		p.nextToken = nil
196	}
197
198	return result, nil
199}
200
201func newServiceMetadataMiddleware_opListDatasetGroups(region string) *awsmiddleware.RegisterServiceMetadata {
202	return &awsmiddleware.RegisterServiceMetadata{
203		Region:        region,
204		ServiceID:     ServiceID,
205		SigningName:   "personalize",
206		OperationName: "ListDatasetGroups",
207	}
208}
209