Guillermoandrae\DynamoDb\Operation\ListTablesOperation

Complexity

Total Complexity

6

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Test Coverage

Coverage

86.67%

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	execute()	0	7	2
A	setLastEvaluatedTableName()	0	4	1
A	toArray()	0	10	3

<?php

namespace Guillermoandrae\DynamoDb\Operation;

use Aws\DynamoDb\Exception\DynamoDbException;
use Guillermoandrae\DynamoDb\Contract\AbstractOperation;
use Guillermoandrae\DynamoDb\Contract\LimitAwareOperationTrait;
use Guillermoandrae\DynamoDb\Exception;

final class ListTablesOperation extends AbstractOperation
{
    use LimitAwareOperationTrait;

    /**
     * @var string The name of the last table in the current page of results.
     */
    protected $lastEvaluatedTableName;

    /**
     * Registers the name of table to be used as the last in the current page of results.
     *
     * @param string $lastEvaluatedTableName The name of the last table in the current page of results.
     * @return ListTablesOperation This object.
     */
    public function setLastEvaluatedTableName(string $lastEvaluatedTableName): ListTablesOperation
    {
        $this->lastEvaluatedTableName = $lastEvaluatedTableName;
        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function toArray(): array
    {
        $query = [];
        if ($this->lastEvaluatedTableName) {
            $query['LastEvaluatedTableName'] = $this->lastEvaluatedTableName;
        }
        if ($this->limit) {
            $query['Limit'] = $this->limit;
        }
        return $query;
    }

    /**
     * {@inheritDoc}
     * @link https://docs.aws.amazon.com/aws-sdk-php/v3/api/api-dynamodb-2012-08-10.html#listtables
     */
    public function execute(): ?array
    {
        try {
            $tables = $this->client->listTables($this->toArray());
            return $tables['TableNames'];
        } catch (DynamoDbException $ex) {
            throw new Exception($ex->getMessage());
        }
    }
}