1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package health
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/health/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns the event types that meet the specified filter criteria. If no filter
16// criteria are specified, all event types are returned, in no particular order.
17// This API operation uses pagination. Specify the nextToken parameter in the next
18// request to return more results.
19func (c *Client) DescribeEventTypes(ctx context.Context, params *DescribeEventTypesInput, optFns ...func(*Options)) (*DescribeEventTypesOutput, error) {
20	if params == nil {
21		params = &DescribeEventTypesInput{}
22	}
23
24	result, metadata, err := c.invokeOperation(ctx, "DescribeEventTypes", params, optFns, addOperationDescribeEventTypesMiddlewares)
25	if err != nil {
26		return nil, err
27	}
28
29	out := result.(*DescribeEventTypesOutput)
30	out.ResultMetadata = metadata
31	return out, nil
32}
33
34type DescribeEventTypesInput struct {
35
36	// Values to narrow the results returned.
37	Filter *types.EventTypeFilter
38
39	// The locale (language) to return information in. English (en) is the default and
40	// the only supported value at this time.
41	Locale *string
42
43	// The maximum number of items to return in one batch, between 10 and 100,
44	// inclusive.
45	MaxResults *int32
46
47	// If the results of a search are large, only a portion of the results are
48	// returned, and a nextToken pagination token is returned in the response. To
49	// retrieve the next batch of results, reissue the search request and include the
50	// returned token. When all results have been returned, the response does not
51	// contain a pagination token value.
52	NextToken *string
53}
54
55type DescribeEventTypesOutput struct {
56
57	// A list of event types that match the filter criteria. Event types have a
58	// category (issue, accountNotification, or scheduledChange), a service (for
59	// example, EC2, RDS, DATAPIPELINE, BILLING), and a code (in the format
60	// AWS_SERVICE_DESCRIPTION ; for example, AWS_EC2_SYSTEM_MAINTENANCE_EVENT).
61	EventTypes []types.EventType
62
63	// If the results of a search are large, only a portion of the results are
64	// returned, and a nextToken pagination token is returned in the response. To
65	// retrieve the next batch of results, reissue the search request and include the
66	// returned token. When all results have been returned, the response does not
67	// contain a pagination token value.
68	NextToken *string
69
70	// Metadata pertaining to the operation's result.
71	ResultMetadata middleware.Metadata
72}
73
74func addOperationDescribeEventTypesMiddlewares(stack *middleware.Stack, options Options) (err error) {
75	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeEventTypes{}, middleware.After)
76	if err != nil {
77		return err
78	}
79	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeEventTypes{}, middleware.After)
80	if err != nil {
81		return err
82	}
83	if err = addSetLoggerMiddleware(stack, options); err != nil {
84		return err
85	}
86	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
87		return err
88	}
89	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
90		return err
91	}
92	if err = addResolveEndpointMiddleware(stack, options); err != nil {
93		return err
94	}
95	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
96		return err
97	}
98	if err = addRetryMiddlewares(stack, options); err != nil {
99		return err
100	}
101	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
102		return err
103	}
104	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
105		return err
106	}
107	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
108		return err
109	}
110	if err = addClientUserAgent(stack); err != nil {
111		return err
112	}
113	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
114		return err
115	}
116	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
117		return err
118	}
119	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeEventTypes(options.Region), middleware.Before); err != nil {
120		return err
121	}
122	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
123		return err
124	}
125	if err = addResponseErrorMiddleware(stack); err != nil {
126		return err
127	}
128	if err = addRequestResponseLogging(stack, options); err != nil {
129		return err
130	}
131	return nil
132}
133
134// DescribeEventTypesAPIClient is a client that implements the DescribeEventTypes
135// operation.
136type DescribeEventTypesAPIClient interface {
137	DescribeEventTypes(context.Context, *DescribeEventTypesInput, ...func(*Options)) (*DescribeEventTypesOutput, error)
138}
139
140var _ DescribeEventTypesAPIClient = (*Client)(nil)
141
142// DescribeEventTypesPaginatorOptions is the paginator options for
143// DescribeEventTypes
144type DescribeEventTypesPaginatorOptions struct {
145	// The maximum number of items to return in one batch, between 10 and 100,
146	// inclusive.
147	Limit int32
148
149	// Set to true if pagination should stop if the service returns a pagination token
150	// that matches the most recent token provided to the service.
151	StopOnDuplicateToken bool
152}
153
154// DescribeEventTypesPaginator is a paginator for DescribeEventTypes
155type DescribeEventTypesPaginator struct {
156	options   DescribeEventTypesPaginatorOptions
157	client    DescribeEventTypesAPIClient
158	params    *DescribeEventTypesInput
159	nextToken *string
160	firstPage bool
161}
162
163// NewDescribeEventTypesPaginator returns a new DescribeEventTypesPaginator
164func NewDescribeEventTypesPaginator(client DescribeEventTypesAPIClient, params *DescribeEventTypesInput, optFns ...func(*DescribeEventTypesPaginatorOptions)) *DescribeEventTypesPaginator {
165	options := DescribeEventTypesPaginatorOptions{}
166	if params.MaxResults != nil {
167		options.Limit = *params.MaxResults
168	}
169
170	for _, fn := range optFns {
171		fn(&options)
172	}
173
174	if params == nil {
175		params = &DescribeEventTypesInput{}
176	}
177
178	return &DescribeEventTypesPaginator{
179		options:   options,
180		client:    client,
181		params:    params,
182		firstPage: true,
183	}
184}
185
186// HasMorePages returns a boolean indicating whether more pages are available
187func (p *DescribeEventTypesPaginator) HasMorePages() bool {
188	return p.firstPage || p.nextToken != nil
189}
190
191// NextPage retrieves the next DescribeEventTypes page.
192func (p *DescribeEventTypesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeEventTypesOutput, error) {
193	if !p.HasMorePages() {
194		return nil, fmt.Errorf("no more pages available")
195	}
196
197	params := *p.params
198	params.NextToken = p.nextToken
199
200	var limit *int32
201	if p.options.Limit > 0 {
202		limit = &p.options.Limit
203	}
204	params.MaxResults = limit
205
206	result, err := p.client.DescribeEventTypes(ctx, &params, optFns...)
207	if err != nil {
208		return nil, err
209	}
210	p.firstPage = false
211
212	prevToken := p.nextToken
213	p.nextToken = result.NextToken
214
215	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
216		p.nextToken = nil
217	}
218
219	return result, nil
220}
221
222func newServiceMetadataMiddleware_opDescribeEventTypes(region string) *awsmiddleware.RegisterServiceMetadata {
223	return &awsmiddleware.RegisterServiceMetadata{
224		Region:        region,
225		ServiceID:     ServiceID,
226		SigningName:   "health",
227		OperationName: "DescribeEventTypes",
228	}
229}
230