Data Transfer Object CommandQueryData for all DataBase commands

Changes

• Data Transfer Object CommandQueryData for all DataBase commands
• DataBase commands in own namespace

Basic Usage

<?php

use GrapheneNodeClient\Commands\CommandQueryData;
use GrapheneNodeClient\Commands\DataBase\GetDiscussionsByCreatedCommand;
use GrapheneNodeClient\Connectors\WebSocket\GolosWSConnector;
use GrapheneNodeClient\Connectors\WebSocket\SteemitWSConnector;


//Set params for query
$commandQuery = new CommandQueryData();
$data = [
    [
        'limit'       => $limit,
        'select_tags' => ['golos'], // for GOLOS
        'tag'         => 'steemit', // for STEEMIT     
    ]
];
$commandQuery->setParams($data);

//OR 
$commandQuery = new CommandQueryData();
$commandQuery->setParamByKey('0:limit', $limit);
$commandQuery->setParamByKey('0:select_tags', [$tag]);
$commandQuery->setParamByKey('0:tag', $tag);

$command = new GetDiscussionsByCreatedCommand(new GolosWSConnector());
$golosPosts = $command->execute(
    $commandQuery
);
// will return
// [
//      "id" => 1,
//      "result" => [
//            [
//                "id": 466628,
//                "author": "piranya",
//                "permlink": "devyatyi-krug",
//                ...
//            ],
//            ...
//      ]
// ]
  
$command = new GetDiscussionsByCreatedCommand(new SteemitWSConnector());
$steemitPosts = $command->execute(
    $commandQuery,
    'result',
    SteemitWSConnector::ANSWER_FORMAT_ARRAY // or SteemitWSConnector::ANSWER_FORMAT_OBJECT
);
// will return
// [
//      [
//          "id": 466628,
//          "author": "piranya",
//          "permlink": "devyatyi-krug",
//          ...
//      ],
//      ...
// ]