Refactor and improvements on command

Check available helpers
Default permission: view only
Moved validate setting from helper to command
Turn more easy create a importer
Docblock and improvements on interface
lcfirst on system property
Helper moved to ImporHelper folder
Moved fixtures to ImportHelper
Rename settings to config
Big refactor to move import methods to service

Signed-off-by: Vitor Mattos <vitor@php.rio>

lib/Command/ImportHelper/AImport.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace OCA\Deck\Command\ImportHelper;
+
+use OCA\Deck\Command\BoardImport;
+use OCA\Deck\Service\AImportService;
+use OCA\Deck\Service\TrelloImportService;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+abstract class AImport extends AImportService {
+	/** @var TrelloImportService */
+	protected $trelloImportService;
+	/** @var Command */
+	private $command;
+	/**
+	 * Data object created from config JSON
+	 *
+	 * @var \StdClass
+	 */
+	public $config;
+
+	public function __construct(
+		TrelloImportService $trelloImportService
+	) {
+		$this->trelloImportService = $trelloImportService;
+	}
+
+	abstract public function validate(InputInterface $input, OutputInterface $output): void;
+
+	abstract public function import(InputInterface $input, OutputInterface $output): void;
+
+	/**
+	 * Define Command instance
+	 *
+	 * @param Command $command
+	 * @return void
+	 */
+	public function setCommand(Command $command): void {
+		$this->command = $command;
+	}
+
+	/**
+	 * @return BoardImport
+	 */
+	public function getCommand() {
+		return $this->command;
+	}
+
+	public function setConfigInstance(\stdClass $config) {
+		$this->trelloImportService->setConfigInstance($config);
+	}
+
+	/**
+	 * Define a config
+	 *
+	 * @param string $configName
+	 * @param mixed $value
+	 * @return void
+	 */
+	public function setConfig(string $configName, $value): void {
+		$this->trelloImportService->setConfig($configName, $value);
+	}
+
+	/**
+	 * Get a config
+	 *
+	 * @param string $configName config name
+	 * @return mixed
+	 */
+	public function getConfig(string $configName = null) {
+		return $this->trelloImportService->getConfig($configName);
+	}
+}