1// Code generated by smithy-go-codegen DO NOT EDIT. 2 3package mediaconvert 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/mediaconvert/types" 11 "github.com/aws/smithy-go/middleware" 12 smithyhttp "github.com/aws/smithy-go/transport/http" 13) 14 15// Retrieve a JSON array of up to twenty of your presets. This will return the 16// presets themselves, not just a list of them. To retrieve the next twenty 17// presets, use the nextToken string returned with the array. 18func (c *Client) ListPresets(ctx context.Context, params *ListPresetsInput, optFns ...func(*Options)) (*ListPresetsOutput, error) { 19 if params == nil { 20 params = &ListPresetsInput{} 21 } 22 23 result, metadata, err := c.invokeOperation(ctx, "ListPresets", params, optFns, c.addOperationListPresetsMiddlewares) 24 if err != nil { 25 return nil, err 26 } 27 28 out := result.(*ListPresetsOutput) 29 out.ResultMetadata = metadata 30 return out, nil 31} 32 33type ListPresetsInput struct { 34 35 // Optionally, specify a preset category to limit responses to only presets from 36 // that category. 37 Category *string 38 39 // Optional. When you request a list of presets, you can choose to list them 40 // alphabetically by NAME or chronologically by CREATION_DATE. If you don't 41 // specify, the service will list them by name. 42 ListBy types.PresetListBy 43 44 // Optional. Number of presets, up to twenty, that will be returned at one time 45 MaxResults int32 46 47 // Use this string, provided with the response to a previous request, to request 48 // the next batch of presets. 49 NextToken *string 50 51 // Optional. When you request lists of resources, you can specify whether they are 52 // sorted in ASCENDING or DESCENDING order. Default varies by resource. 53 Order types.Order 54 55 noSmithyDocumentSerde 56} 57 58type ListPresetsOutput struct { 59 60 // Use this string to request the next batch of presets. 61 NextToken *string 62 63 // List of presets 64 Presets []types.Preset 65 66 // Metadata pertaining to the operation's result. 67 ResultMetadata middleware.Metadata 68 69 noSmithyDocumentSerde 70} 71 72func (c *Client) addOperationListPresetsMiddlewares(stack *middleware.Stack, options Options) (err error) { 73 err = stack.Serialize.Add(&awsRestjson1_serializeOpListPresets{}, middleware.After) 74 if err != nil { 75 return err 76 } 77 err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListPresets{}, middleware.After) 78 if err != nil { 79 return err 80 } 81 if err = addSetLoggerMiddleware(stack, options); err != nil { 82 return err 83 } 84 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 85 return err 86 } 87 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 88 return err 89 } 90 if err = addResolveEndpointMiddleware(stack, options); err != nil { 91 return err 92 } 93 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 94 return err 95 } 96 if err = addRetryMiddlewares(stack, options); err != nil { 97 return err 98 } 99 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 100 return err 101 } 102 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 103 return err 104 } 105 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 106 return err 107 } 108 if err = addClientUserAgent(stack); err != nil { 109 return err 110 } 111 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 112 return err 113 } 114 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 115 return err 116 } 117 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListPresets(options.Region), middleware.Before); err != nil { 118 return err 119 } 120 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 121 return err 122 } 123 if err = addResponseErrorMiddleware(stack); err != nil { 124 return err 125 } 126 if err = addRequestResponseLogging(stack, options); err != nil { 127 return err 128 } 129 return nil 130} 131 132// ListPresetsAPIClient is a client that implements the ListPresets operation. 133type ListPresetsAPIClient interface { 134 ListPresets(context.Context, *ListPresetsInput, ...func(*Options)) (*ListPresetsOutput, error) 135} 136 137var _ ListPresetsAPIClient = (*Client)(nil) 138 139// ListPresetsPaginatorOptions is the paginator options for ListPresets 140type ListPresetsPaginatorOptions struct { 141 // Optional. Number of presets, up to twenty, that will be returned at one time 142 Limit int32 143 144 // Set to true if pagination should stop if the service returns a pagination token 145 // that matches the most recent token provided to the service. 146 StopOnDuplicateToken bool 147} 148 149// ListPresetsPaginator is a paginator for ListPresets 150type ListPresetsPaginator struct { 151 options ListPresetsPaginatorOptions 152 client ListPresetsAPIClient 153 params *ListPresetsInput 154 nextToken *string 155 firstPage bool 156} 157 158// NewListPresetsPaginator returns a new ListPresetsPaginator 159func NewListPresetsPaginator(client ListPresetsAPIClient, params *ListPresetsInput, optFns ...func(*ListPresetsPaginatorOptions)) *ListPresetsPaginator { 160 if params == nil { 161 params = &ListPresetsInput{} 162 } 163 164 options := ListPresetsPaginatorOptions{} 165 if params.MaxResults != 0 { 166 options.Limit = params.MaxResults 167 } 168 169 for _, fn := range optFns { 170 fn(&options) 171 } 172 173 return &ListPresetsPaginator{ 174 options: options, 175 client: client, 176 params: params, 177 firstPage: true, 178 } 179} 180 181// HasMorePages returns a boolean indicating whether more pages are available 182func (p *ListPresetsPaginator) HasMorePages() bool { 183 return p.firstPage || p.nextToken != nil 184} 185 186// NextPage retrieves the next ListPresets page. 187func (p *ListPresetsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListPresetsOutput, error) { 188 if !p.HasMorePages() { 189 return nil, fmt.Errorf("no more pages available") 190 } 191 192 params := *p.params 193 params.NextToken = p.nextToken 194 195 params.MaxResults = p.options.Limit 196 197 result, err := p.client.ListPresets(ctx, ¶ms, 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_opListPresets(region string) *awsmiddleware.RegisterServiceMetadata { 214 return &awsmiddleware.RegisterServiceMetadata{ 215 Region: region, 216 ServiceID: ServiceID, 217 SigningName: "mediaconvert", 218 OperationName: "ListPresets", 219 } 220} 221