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api_op_Publish.go
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api_op_Publish.go
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// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
package sns
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/internal/awsutil"
)
// Input for Publish action.
type PublishInput struct {
_ struct{} `type:"structure"`
// The message you want to send.
//
// The Message parameter is always a string. If you set MessageStructure to
// json, you must string-encode the Message parameter.
//
// If you are publishing to a topic and you want to send the same message to
// all transport protocols, include the text of the message as a String value.
// If you want to send different messages for each transport protocol, set the
// value of the MessageStructure parameter to json and use a JSON object for
// the Message parameter.
//
// Constraints:
//
// * With the exception of SMS, messages must be UTF-8 encoded strings and
// at most 256 KB in size (262,144 bytes, not 262,144 characters).
//
// * For SMS, each message can contain up to 140 characters. This character
// limit depends on the encoding schema. For example, an SMS message can
// contain 160 GSM characters, 140 ASCII characters, or 70 UCS-2 characters.
// If you publish a message that exceeds this size limit, Amazon SNS sends
// the message as multiple messages, each fitting within the size limit.
// Messages aren't truncated mid-word but are cut off at whole-word boundaries.
// The total size limit for a single SMS Publish action is 1,600 characters.
//
// JSON-specific constraints:
//
// * Keys in the JSON object that correspond to supported transport protocols
// must have simple JSON string values.
//
// * The values will be parsed (unescaped) before they are used in outgoing
// messages.
//
// * Outbound notifications are JSON encoded (meaning that the characters
// will be reescaped for sending).
//
// * Values have a minimum length of 0 (the empty string, "", is allowed).
//
// * Values have a maximum length bounded by the overall message size (so,
// including multiple protocols may limit message sizes).
//
// * Non-string values will cause the key to be ignored.
//
// * Keys that do not correspond to supported transport protocols are ignored.
//
// * Duplicate keys are not allowed.
//
// * Failure to parse or validate any key or value in the message will cause
// the Publish call to return an error (no partial delivery).
//
// Message is a required field
Message *string `type:"string" required:"true"`
// Message attributes for Publish action.
MessageAttributes map[string]MessageAttributeValue `locationNameKey:"Name" locationNameValue:"Value" type:"map"`
// Set MessageStructure to json if you want to send a different message for
// each protocol. For example, using one publish action, you can send a short
// message to your SMS subscribers and a longer message to your email subscribers.
// If you set MessageStructure to json, the value of the Message parameter must:
//
// * be a syntactically valid JSON object; and
//
// * contain at least a top-level JSON key of "default" with a value that
// is a string.
//
// You can define other top-level keys that define the message you want to send
// to a specific transport protocol (e.g., "http").
//
// For information about sending different messages for each protocol using
// the AWS Management Console, go to Create Different Messages for Each Protocol
// (https://docs.aws.amazon.com/sns/latest/gsg/Publish.html#sns-message-formatting-by-protocol)
// in the Amazon Simple Notification Service Getting Started Guide.
//
// Valid value: json
MessageStructure *string `type:"string"`
// The phone number to which you want to deliver an SMS message. Use E.164 format.
//
// If you don't specify a value for the PhoneNumber parameter, you must specify
// a value for the TargetArn or TopicArn parameters.
PhoneNumber *string `type:"string"`
// Optional parameter to be used as the "Subject" line when the message is delivered
// to email endpoints. This field will also be included, if present, in the
// standard JSON messages delivered to other endpoints.
//
// Constraints: Subjects must be ASCII text that begins with a letter, number,
// or punctuation mark; must not include line breaks or control characters;
// and must be less than 100 characters long.
Subject *string `type:"string"`
// If you don't specify a value for the TargetArn parameter, you must specify
// a value for the PhoneNumber or TopicArn parameters.
TargetArn *string `type:"string"`
// The topic you want to publish to.
//
// If you don't specify a value for the TopicArn parameter, you must specify
// a value for the PhoneNumber or TargetArn parameters.
TopicArn *string `type:"string"`
}
// String returns the string representation
func (s PublishInput) String() string {
return awsutil.Prettify(s)
}
// Validate inspects the fields of the type to determine if they are valid.
func (s *PublishInput) Validate() error {
invalidParams := aws.ErrInvalidParams{Context: "PublishInput"}
if s.Message == nil {
invalidParams.Add(aws.NewErrParamRequired("Message"))
}
if s.MessageAttributes != nil {
for i, v := range s.MessageAttributes {
if err := v.Validate(); err != nil {
invalidParams.AddNested(fmt.Sprintf("%s[%v]", "MessageAttributes", i), err.(aws.ErrInvalidParams))
}
}
}
if invalidParams.Len() > 0 {
return invalidParams
}
return nil
}
// Response for Publish action.
type PublishOutput struct {
_ struct{} `type:"structure"`
// Unique identifier assigned to the published message.
//
// Length Constraint: Maximum 100 characters
MessageId *string `type:"string"`
}
// String returns the string representation
func (s PublishOutput) String() string {
return awsutil.Prettify(s)
}
const opPublish = "Publish"
// PublishRequest returns a request value for making API operation for
// Amazon Simple Notification Service.
//
// Sends a message to an Amazon SNS topic or sends a text message (SMS message)
// directly to a phone number.
//
// If you send a message to a topic, Amazon SNS delivers the message to each
// endpoint that is subscribed to the topic. The format of the message depends
// on the notification protocol for each subscribed endpoint.
//
// When a messageId is returned, the message has been saved and Amazon SNS will
// attempt to deliver it shortly.
//
// To use the Publish action for sending a message to a mobile endpoint, such
// as an app on a Kindle device or mobile phone, you must specify the EndpointArn
// for the TargetArn parameter. The EndpointArn is returned when making a call
// with the CreatePlatformEndpoint action.
//
// For more information about formatting messages, see Send Custom Platform-Specific
// Payloads in Messages to Mobile Devices (https://docs.aws.amazon.com/sns/latest/dg/mobile-push-send-custommessage.html).
//
// // Example sending a request using PublishRequest.
// req := client.PublishRequest(params)
// resp, err := req.Send(context.TODO())
// if err == nil {
// fmt.Println(resp)
// }
//
// Please also see https://docs.aws.amazon.com/goto/WebAPI/sns-2010-03-31/Publish
func (c *Client) PublishRequest(input *PublishInput) PublishRequest {
op := &aws.Operation{
Name: opPublish,
HTTPMethod: "POST",
HTTPPath: "/",
}
if input == nil {
input = &PublishInput{}
}
req := c.newRequest(op, input, &PublishOutput{})
return PublishRequest{Request: req, Input: input, Copy: c.PublishRequest}
}
// PublishRequest is the request type for the
// Publish API operation.
type PublishRequest struct {
*aws.Request
Input *PublishInput
Copy func(*PublishInput) PublishRequest
}
// Send marshals and sends the Publish API request.
func (r PublishRequest) Send(ctx context.Context) (*PublishResponse, error) {
r.Request.SetContext(ctx)
err := r.Request.Send()
if err != nil {
return nil, err
}
resp := &PublishResponse{
PublishOutput: r.Request.Data.(*PublishOutput),
response: &aws.Response{Request: r.Request},
}
return resp, nil
}
// PublishResponse is the response type for the
// Publish API operation.
type PublishResponse struct {
*PublishOutput
response *aws.Response
}
// SDKResponseMetdata returns the response metadata for the
// Publish request.
func (r *PublishResponse) SDKResponseMetdata() *aws.Response {
return r.response
}