// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

// SPDX-License-Identifier: Apache-2.0

/**

* Before running this C++ code example, set up your development environment, including your credentials.

*

* For more information, see the following documentation topic:

*

* https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started.html

*

* For information on the structure of the code examples and how to build and run the examples, see

* https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started-code-examples.html.

*

**/

#include <aws/core/Aws.h>

#include <aws/dynamodb/DynamoDBClient.h>

#include <aws/dynamodb/model/AttributeDefinition.h>

#include <aws/dynamodb/model/DeleteItemRequest.h>

#include <iostream>

#include "dynamodb_samples.h"

// snippet-start:[cpp.example_code.dynamodb.delete_item]

//! Delete an item from an Amazon DynamoDB table.

/*!

\sa deleteItem()

\param tableName: The table name.

\param partitionKey: The partition key.

\param partitionValue: The value for the partition key.

\param clientConfiguration: AWS client configuration.

\return bool: Function succeeded.

*/

bool AwsDoc::DynamoDB::deleteItem(const Aws::String &tableName,

const Aws::String &partitionKey,

const Aws::String &partitionValue,

const Aws::Client::ClientConfiguration &clientConfiguration) {

Aws::DynamoDB::DynamoDBClient dynamoClient(clientConfiguration);

Aws::DynamoDB::Model::DeleteItemRequest request;

request.AddKey(partitionKey,

Aws::DynamoDB::Model::AttributeValue().SetS(partitionValue));

request.SetTableName(tableName);

const Aws::DynamoDB::Model::DeleteItemOutcome &outcome = dynamoClient.DeleteItem(

request);

if (outcome.IsSuccess()) {

std::cout << "Item \"" << partitionValue << "\" deleted!" << std::endl;

}

else {

std::cerr << "Failed to delete item: " << outcome.GetError().GetMessage()

<< std::endl;

return false;

}

return waitTableActive(tableName, dynamoClient);

}

// snippet-end:[cpp.example_code.dynamodb.delete_item]

/*

*

* main function

*

* Usage: 'run_delete_item <table_name> <partition_key> <partition_value>'

*

* Prerequisites: Create a DynamoDB table named <table_name> that contains an

* item with <partition_value> for its <partition_key>.

*

*/

#ifndef TESTING_BUILD

int main(int argc, char **argv) {

if (argc < 4) {

std::cout << R"("Usage:

run_delete_item <table_name> <partition_key> <partition_value>

Where:

table - The table to delete the item from.

partition_key - The partition key of the table,

partition_value - The item value for the partition key.

Example:

run_delete_item HelloTable Name Joe

**Warning** This program will actually delete the item

that you specify!)";

return 1;

}

Aws::SDKOptions options;

Aws::InitAPI(options);

{

const Aws::String tableName = (argv[1]);

const Aws::String partitionKey = (argv[2]);

const Aws::String partitionValue = (argv[3]);

Aws::Client::ClientConfiguration clientConfig;

// Optional: Set to the AWS Region (overrides config file).

// clientConfig.region = "us-east-1";

AwsDoc::DynamoDB::deleteItem(tableName, partitionKey, partitionValue,

clientConfig);

}

Aws::ShutdownAPI(options);

return 0;

}

#endif // TESTING_BUILD