1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package elastictranscoder
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/elastictranscoder/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// The ListPresets operation gets a list of the default presets included with
16// Elastic Transcoder and the presets that you've added in an AWS region.
17func (c *Client) ListPresets(ctx context.Context, params *ListPresetsInput, optFns ...func(*Options)) (*ListPresetsOutput, error) {
18	if params == nil {
19		params = &ListPresetsInput{}
20	}
21
22	result, metadata, err := c.invokeOperation(ctx, "ListPresets", params, optFns, addOperationListPresetsMiddlewares)
23	if err != nil {
24		return nil, err
25	}
26
27	out := result.(*ListPresetsOutput)
28	out.ResultMetadata = metadata
29	return out, nil
30}
31
32// The ListPresetsRequest structure.
33type ListPresetsInput struct {
34
35	// To list presets in chronological order by the date and time that they were
36	// created, enter true. To list presets in reverse chronological order, enter
37	// false.
38	Ascending *string
39
40	// When Elastic Transcoder returns more than one page of results, use pageToken in
41	// subsequent GET requests to get each successive page of results.
42	PageToken *string
43}
44
45// The ListPresetsResponse structure.
46type ListPresetsOutput struct {
47
48	// A value that you use to access the second and subsequent pages of results, if
49	// any. When the presets fit on one page or when you've reached the last page of
50	// results, the value of NextPageToken is null.
51	NextPageToken *string
52
53	// An array of Preset objects.
54	Presets []types.Preset
55
56	// Metadata pertaining to the operation's result.
57	ResultMetadata middleware.Metadata
58}
59
60func addOperationListPresetsMiddlewares(stack *middleware.Stack, options Options) (err error) {
61	err = stack.Serialize.Add(&awsRestjson1_serializeOpListPresets{}, middleware.After)
62	if err != nil {
63		return err
64	}
65	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListPresets{}, middleware.After)
66	if err != nil {
67		return err
68	}
69	if err = addSetLoggerMiddleware(stack, options); err != nil {
70		return err
71	}
72	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
73		return err
74	}
75	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
76		return err
77	}
78	if err = addResolveEndpointMiddleware(stack, options); err != nil {
79		return err
80	}
81	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
82		return err
83	}
84	if err = addRetryMiddlewares(stack, options); err != nil {
85		return err
86	}
87	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
88		return err
89	}
90	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
91		return err
92	}
93	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
94		return err
95	}
96	if err = addClientUserAgent(stack); err != nil {
97		return err
98	}
99	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
100		return err
101	}
102	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
103		return err
104	}
105	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListPresets(options.Region), middleware.Before); err != nil {
106		return err
107	}
108	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
109		return err
110	}
111	if err = addResponseErrorMiddleware(stack); err != nil {
112		return err
113	}
114	if err = addRequestResponseLogging(stack, options); err != nil {
115		return err
116	}
117	return nil
118}
119
120// ListPresetsAPIClient is a client that implements the ListPresets operation.
121type ListPresetsAPIClient interface {
122	ListPresets(context.Context, *ListPresetsInput, ...func(*Options)) (*ListPresetsOutput, error)
123}
124
125var _ ListPresetsAPIClient = (*Client)(nil)
126
127// ListPresetsPaginatorOptions is the paginator options for ListPresets
128type ListPresetsPaginatorOptions struct {
129	// Set to true if pagination should stop if the service returns a pagination token
130	// that matches the most recent token provided to the service.
131	StopOnDuplicateToken bool
132}
133
134// ListPresetsPaginator is a paginator for ListPresets
135type ListPresetsPaginator struct {
136	options   ListPresetsPaginatorOptions
137	client    ListPresetsAPIClient
138	params    *ListPresetsInput
139	nextToken *string
140	firstPage bool
141}
142
143// NewListPresetsPaginator returns a new ListPresetsPaginator
144func NewListPresetsPaginator(client ListPresetsAPIClient, params *ListPresetsInput, optFns ...func(*ListPresetsPaginatorOptions)) *ListPresetsPaginator {
145	if params == nil {
146		params = &ListPresetsInput{}
147	}
148
149	options := ListPresetsPaginatorOptions{}
150
151	for _, fn := range optFns {
152		fn(&options)
153	}
154
155	return &ListPresetsPaginator{
156		options:   options,
157		client:    client,
158		params:    params,
159		firstPage: true,
160	}
161}
162
163// HasMorePages returns a boolean indicating whether more pages are available
164func (p *ListPresetsPaginator) HasMorePages() bool {
165	return p.firstPage || p.nextToken != nil
166}
167
168// NextPage retrieves the next ListPresets page.
169func (p *ListPresetsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListPresetsOutput, error) {
170	if !p.HasMorePages() {
171		return nil, fmt.Errorf("no more pages available")
172	}
173
174	params := *p.params
175	params.PageToken = p.nextToken
176
177	result, err := p.client.ListPresets(ctx, &params, optFns...)
178	if err != nil {
179		return nil, err
180	}
181	p.firstPage = false
182
183	prevToken := p.nextToken
184	p.nextToken = result.NextPageToken
185
186	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
187		p.nextToken = nil
188	}
189
190	return result, nil
191}
192
193func newServiceMetadataMiddleware_opListPresets(region string) *awsmiddleware.RegisterServiceMetadata {
194	return &awsmiddleware.RegisterServiceMetadata{
195		Region:        region,
196		ServiceID:     ServiceID,
197		SigningName:   "elastictranscoder",
198		OperationName: "ListPresets",
199	}
200}
201