1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package iotthingsgraph
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/iotthingsgraph/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Gets revisions of the specified workflow. Only the last 100 revisions are
16// stored. If the workflow has been deprecated, this action will return revisions
17// that occurred before the deprecation. This action won't work for workflows that
18// have been deleted.
19func (c *Client) GetFlowTemplateRevisions(ctx context.Context, params *GetFlowTemplateRevisionsInput, optFns ...func(*Options)) (*GetFlowTemplateRevisionsOutput, error) {
20	if params == nil {
21		params = &GetFlowTemplateRevisionsInput{}
22	}
23
24	result, metadata, err := c.invokeOperation(ctx, "GetFlowTemplateRevisions", params, optFns, addOperationGetFlowTemplateRevisionsMiddlewares)
25	if err != nil {
26		return nil, err
27	}
28
29	out := result.(*GetFlowTemplateRevisionsOutput)
30	out.ResultMetadata = metadata
31	return out, nil
32}
33
34type GetFlowTemplateRevisionsInput struct {
35
36	// The ID of the workflow. The ID should be in the following format.
37	// urn:tdm:REGION/ACCOUNT ID/default:workflow:WORKFLOWNAME
38	//
39	// This member is required.
40	Id *string
41
42	// The maximum number of results to return in the response.
43	MaxResults *int32
44
45	// The string that specifies the next page of results. Use this when you're
46	// paginating results.
47	NextToken *string
48}
49
50type GetFlowTemplateRevisionsOutput struct {
51
52	// The string to specify as nextToken when you request the next page of results.
53	NextToken *string
54
55	// An array of objects that provide summary data about each revision.
56	Summaries []types.FlowTemplateSummary
57
58	// Metadata pertaining to the operation's result.
59	ResultMetadata middleware.Metadata
60}
61
62func addOperationGetFlowTemplateRevisionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
63	err = stack.Serialize.Add(&awsAwsjson11_serializeOpGetFlowTemplateRevisions{}, middleware.After)
64	if err != nil {
65		return err
66	}
67	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpGetFlowTemplateRevisions{}, middleware.After)
68	if err != nil {
69		return err
70	}
71	if err = addSetLoggerMiddleware(stack, options); err != nil {
72		return err
73	}
74	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
75		return err
76	}
77	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
78		return err
79	}
80	if err = addResolveEndpointMiddleware(stack, options); err != nil {
81		return err
82	}
83	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
84		return err
85	}
86	if err = addRetryMiddlewares(stack, options); err != nil {
87		return err
88	}
89	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
90		return err
91	}
92	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
93		return err
94	}
95	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
96		return err
97	}
98	if err = addClientUserAgent(stack); err != nil {
99		return err
100	}
101	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
102		return err
103	}
104	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
105		return err
106	}
107	if err = addOpGetFlowTemplateRevisionsValidationMiddleware(stack); err != nil {
108		return err
109	}
110	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetFlowTemplateRevisions(options.Region), middleware.Before); err != nil {
111		return err
112	}
113	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
114		return err
115	}
116	if err = addResponseErrorMiddleware(stack); err != nil {
117		return err
118	}
119	if err = addRequestResponseLogging(stack, options); err != nil {
120		return err
121	}
122	return nil
123}
124
125// GetFlowTemplateRevisionsAPIClient is a client that implements the
126// GetFlowTemplateRevisions operation.
127type GetFlowTemplateRevisionsAPIClient interface {
128	GetFlowTemplateRevisions(context.Context, *GetFlowTemplateRevisionsInput, ...func(*Options)) (*GetFlowTemplateRevisionsOutput, error)
129}
130
131var _ GetFlowTemplateRevisionsAPIClient = (*Client)(nil)
132
133// GetFlowTemplateRevisionsPaginatorOptions is the paginator options for
134// GetFlowTemplateRevisions
135type GetFlowTemplateRevisionsPaginatorOptions struct {
136	// The maximum number of results to return in the response.
137	Limit int32
138
139	// Set to true if pagination should stop if the service returns a pagination token
140	// that matches the most recent token provided to the service.
141	StopOnDuplicateToken bool
142}
143
144// GetFlowTemplateRevisionsPaginator is a paginator for GetFlowTemplateRevisions
145type GetFlowTemplateRevisionsPaginator struct {
146	options   GetFlowTemplateRevisionsPaginatorOptions
147	client    GetFlowTemplateRevisionsAPIClient
148	params    *GetFlowTemplateRevisionsInput
149	nextToken *string
150	firstPage bool
151}
152
153// NewGetFlowTemplateRevisionsPaginator returns a new
154// GetFlowTemplateRevisionsPaginator
155func NewGetFlowTemplateRevisionsPaginator(client GetFlowTemplateRevisionsAPIClient, params *GetFlowTemplateRevisionsInput, optFns ...func(*GetFlowTemplateRevisionsPaginatorOptions)) *GetFlowTemplateRevisionsPaginator {
156	if params == nil {
157		params = &GetFlowTemplateRevisionsInput{}
158	}
159
160	options := GetFlowTemplateRevisionsPaginatorOptions{}
161	if params.MaxResults != nil {
162		options.Limit = *params.MaxResults
163	}
164
165	for _, fn := range optFns {
166		fn(&options)
167	}
168
169	return &GetFlowTemplateRevisionsPaginator{
170		options:   options,
171		client:    client,
172		params:    params,
173		firstPage: true,
174	}
175}
176
177// HasMorePages returns a boolean indicating whether more pages are available
178func (p *GetFlowTemplateRevisionsPaginator) HasMorePages() bool {
179	return p.firstPage || p.nextToken != nil
180}
181
182// NextPage retrieves the next GetFlowTemplateRevisions page.
183func (p *GetFlowTemplateRevisionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*GetFlowTemplateRevisionsOutput, error) {
184	if !p.HasMorePages() {
185		return nil, fmt.Errorf("no more pages available")
186	}
187
188	params := *p.params
189	params.NextToken = p.nextToken
190
191	var limit *int32
192	if p.options.Limit > 0 {
193		limit = &p.options.Limit
194	}
195	params.MaxResults = limit
196
197	result, err := p.client.GetFlowTemplateRevisions(ctx, &params, optFns...)
198	if err != nil {
199		return nil, err
200	}
201	p.firstPage = false
202
203	prevToken := p.nextToken
204	p.nextToken = result.NextToken
205
206	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
207		p.nextToken = nil
208	}
209
210	return result, nil
211}
212
213func newServiceMetadataMiddleware_opGetFlowTemplateRevisions(region string) *awsmiddleware.RegisterServiceMetadata {
214	return &awsmiddleware.RegisterServiceMetadata{
215		Region:        region,
216		ServiceID:     ServiceID,
217		SigningName:   "iotthingsgraph",
218		OperationName: "GetFlowTemplateRevisions",
219	}
220}
221