Yandex\Common\StringCollection

Complexity

Total Complexity

12

Size/Duplication

Total Lines	61
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	10	3
B	init()	0	20	5
A	getAll()	0	4	1
A	isString()	0	4	2
A	asArray()	0	4	1

<?php

namespace Yandex\Common;

use Yandex\Common\Exception\InvalidArgumentException;

/**
 * String collection
 *
 * @category Yandex
 * @package  Common
 *
 * @author   Vasilii Zaluev
 * @created  17.03.16 22:31
 */
class StringCollection
{
   /**
    * This string collection will convert to one string in get request by join
    *
    * @var string
    */
   protected $collection = [];

   public function __construct($strings)
   {
      foreach($strings as $string){
         if(!self::isString($string)){
            throw new InvalidArgumentException('Argument must have only strings');
         }

         $this->collection[] = $string;
      }
   }

   /**
    * @param $strings
    * @return null|self
    * @throws InvalidArgumentException
    */
   public static function init($strings)
   {
      if (is_null($strings)) {
         return null;
      }

      if (self::isString($strings)) {
         return new static([$strings]);
      }

      if (is_array($strings)){
         if(empty($strings)){
            return null;
         }

         return new self($strings);
      }

      throw new InvalidArgumentException('Argument must be string or string list, ' . gettype($strings) . ' received');
   }

   public function getAll()
   {
      return implode(',', $this->collection);
   }

   private static function isString($string)
   {
      return is_string($string) || method_exists($string, '__toString');
   }

   public function asArray()
   {
      return $this->collection;
   }
}