ConfigCommand.php

<?php

/*!
 * Console Config Command Class
 *
 * Copyright (c) 2014 Dave Olsen, http://dmolsen.com
 * Licensed under the MIT license
 *
 */

namespace PatternLab\Console\Commands;

use \PatternLab\Config;
use \PatternLab\Console;
use \PatternLab\Console\Command;
use \PatternLab\Generator;
use \PatternLab\Timer;
use \Shudrum\Component\ArrayFinder\ArrayFinder;

class ConfigCommand extends Command {
	
	private $lengthLong;
	
	public function __construct() {
		
		parent::__construct();
		
		$this->command = "config";
		
		Console::setCommand($this->command,"Configure Pattern Lab","The --config command allows for the review and update of existing Pattern Lab config options.","c");
		Console::setCommandOption($this->command,"get:","Get the value for a specific config option.","To get a configuration option:","","configOption");
		Console::setCommandOption($this->command,"list","List the current config options.","To list the current configuration:");
		Console::setCommandOption($this->command,"set:","Set the value for a specific config option.","To set a configuration option:","","configOption=\"configValue\"");
		
	}
	
	public function run() {
		
		if (Console::findCommandOption("list")) {
			
			$this->listOptions();
			
		} else if (Console::findCommandOption("get")) {
			
			$this->getOption();
			
		} else if (Console::findCommandOption("set")) {
			
			$this->setOption();
			
		} else {
			
			Console::writeHelpCommand($this->command);
			
		}
		
	}
	
	/**
	* Get the given option and return its value
	*/
	private function getOption() {
		
		// figure out which option was passed
		$searchOption = Console::findCommandOptionValue("get");
		$optionValue  = Config::getOption($searchOption);
		
		// write it out
		if (!$optionValue) {
			Console::writeError("the --get value you provided, <info>".$searchOption."</info>, does not exists in the config...");
		} else {
			$optionValue = (is_array($optionValue)) ? implode(", ",$optionValue) : $optionValue;
			$optionValue = (!$optionValue) ? "false" : $optionValue;
			Console::writeInfo($searchOption.": <ok>".$optionValue."</ok>");
		}
		
	}
	
	/**
	* List out of the options available in the config
	*/
	private function listOptions() {
		
		// get all of the options
		$options = Config::getOptions();
		
		// sort 'em alphabetically
		ksort($options);
		
		// find length of longest option
		$this->lengthLong = 0;
		foreach ($options as $optionName => $optionValue) {
			$this->lengthLong = (strlen($optionName) > $this->lengthLong) ? strlen($optionName) : $this->lengthLong;
		}
		
		$this->writeOutOptions($options);
		
	}
	
	/**
	* Set the given option to the given value
	*/
	protected function setOption() {
		
		// find the value that was passed
		$updateOption = Console::findCommandOptionValue("set");
		$updateOptionBits = explode("=",$updateOption);
		if (count($updateOptionBits) == 1) {
			Console::writeError("the --set value should look like <info>optionName=\"optionValue\"</info>. nothing was updated...");
		}
		
		// set the name and value that were passed
		$updateName   = $updateOptionBits[0];
		$updateValue  = (($updateOptionBits[1][0] == "\"") || ($updateOptionBits[1][0] == "'")) ? substr($updateOptionBits[1],1,strlen($updateOptionBits[1])-1) : $updateOptionBits[1];
		
		// make sure the option being updated already exists
		$currentValue = Config::getOption($updateName);
		
		if (!$currentValue) {
			Console::writeError("the --set option you provided, <info>".$updateName."</info>, does not exists in the config. nothing will be updated...");
		} else {
			Config::updateConfigOption($updateName,$updateValue);
			Console::writeInfo("config option updated...");
		}
		
	}
	
	/**
	* Write out the given options. Check to see if it's a nested sequential or associative array
	* @param  {Mixed}       the options to check and write out
	* @param  {String}      copy to be added to the beginning of the option if nested
	*/
	private function writeOutOptions($options, $pre = "") {
		
		foreach ($options as $optionName => $optionValue) {
			
			if (is_array($optionValue) && (count($optionValue) > 0) && !isset($optionValue[0])) {
				
				$this->writeOutOptions($optionValue, $optionName.".");
				
			} else {
				
				$optionValue = (is_array($optionValue) && isset($optionValue[0])) ? implode(", ",$optionValue) : $optionValue;
				$optionValue = (!$optionValue) ? "false" : $optionValue;
				$spacer      = Console::getSpacer($this->lengthLong,strlen($pre.$optionName));
				Console::writeLine("<info>".$pre.$optionName.":</info>".$spacer.$optionValue);
				
			}
			
		}
		
	}
	
}