Noz\Collection\Collection

Complexity

Total Complexity

29

Size/Duplication

Total Lines	285
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

24 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	factory()	0	4	1
A	toArray()	0	4	1
A	has()	0	4	2
A	get()	0	8	2
A	add()	0	6	1
A	set()	0	6	1
A	delete()	0	6	1
A	clear()	0	6	1
A	contains()	0	4	1
A	pull()	0	8	2
A	join()	0	4	1
A	isEmpty()	0	4	1
A	jsonSerialize()	0	4	1
A	offsetExists()	0	4	1
A	offsetGet()	0	8	2
A	offsetUnset()	0	4	1
A	offsetSet()	0	8	2
A	current()	0	4	1
A	key()	0	4	1
A	next()	0	4	1
A	rewind()	0	4	1
A	valid()	0	4	1
A	count()	0	4	1

<?php
namespace Noz\Collection;

use Countable;
use JsonSerializable;
use Iterator;
use ArrayAccess;
use RuntimeException;

/**
 * Nozavroni Collection
 */
class Collection implements ArrayAccess, Iterator, Countable, JsonSerializable
{
    /** @var array */
    protected $items;

    /**
     * Collection constructor.
     *
     * @param array $items
     */
    public function __construct(array $items = [])
    {
        $this->items = $items;
        $this->rewind();
    }

    /**
     * Generate a collection from an array of items.
     * I created this method so that it's possible to extend a collection more easily.
     *
     * @param array $items
     *
     * @return Collection
     */
    public static function factory(array $items = [])
    {
        return new Collection($items);
    }

    /**
     * Get collection as an array
     *
     * @return array
     */
    public function toArray()
    {
        return $this->items;
    }

    /**
     * Determine if collection has a given key
     *
     * @param mixed $key The key to look for
     *
     * @return bool
     */
    public function has($key)
    {
        return isset($this->items[$key]) || array_key_exists($key, $this->items);
    }

    /**
     * Get item by key, with an optional default return value
     *
     * @param mixed $key
     * @param mixed $default
     *
     * @return mixed
     */
    public function get($key, $default = null)
    {
        if ($this->has($key)) {
            return $this->items[$key];
        }

        return $default;
    }

    /**
     * Add an item with no regard to key
     *
     * @param mixed $value
     *
     * @return $this
     */
    public function add($value)
    {
        $this->items[] = $value;

        return $this;
    }

    /**
     * Set an item at a given key
     *
     * @param mixed $key
     * @param mixed $value
     *
     * @return $this
     */
    public function set($key, $value)
    {
        $this->items[$key] = $value;

        return $this;
    }

    /**
     * Delete an item by key
     *
     * @param mixed $key
     *
     * @return $this
     */
    public function delete($key)
    {
        unset($this->items[$key]);

        return $this;
    }

    /**
     * Clear the collection of all its items.
     *
     * @return $this
     */
    public function clear()
    {
        $this->items = [];

        return $this;
    }

    /**
     * Determine if collection contains given value
     *
     * @param mixed $val
     *
     * @return bool
     */
    public function contains($val)
    {
        return in_array($val, $this->items, true);
    }

    /**
     * Fetch item from collection by key and remove it from collection
     *
     * @param mixed $key
     *
     * @return mixed
     */
    public function pull($key)
    {
        if ($this->has($key)) {
            $value = $this->get($key);
            $this->delete($key);
            return $value;
        }
    }

    /**
     * Join collection items using a delimiter
     *
     * @param string $delim
     *
     * @return string
     */
    public function join($delim = '')
    {
        return implode($delim, $this->items);
    }

    /**
     * Determine if collection has any items
     *
     * @return bool
     */
    public function isEmpty()
    {
        return $this->count() == 0;
    }

    /** ++++                  ++++ **/
    /** ++ Interface Compliance ++ **/
    /** ++++                  ++++ **/

    /**
     * @return array
     */
    public function jsonSerialize()
    {
        return $this->toArray();
    }

    /** ++++                  ++++ **/
    /** ++ Array Access Methods ++ **/
    /** ++++                  ++++ **/

    /**
     * {@inheritDoc}
     */
    public function offsetExists($offset)
    {
        return $this->has($offset);
    }

    /**
     * {@inheritDoc}
     */
    public function offsetGet($offset)
    {
        if (!$this->has($offset)) {
            throw new RuntimeException("Unknown offset: {$offset}");
        }

        return $this->get($offset);
    }

    /**
     * {@inheritDoc}
     */
    public function offsetUnset($offset)
    {
        $this->delete($offset);
    }

    /**
     * {@inheritDoc}
     */
    public function offsetSet($offset, $value)
    {
        if (!isset($offset)) {
            $this->add($value);
        }

        $this->set($offset, $value);
    }

    /** ++++                  ++++ **/
    /** ++   Iterator Methods   ++ **/
    /** ++++                  ++++ **/

    /**
     * {@inheritDoc}
     */
    public function current()
    {
        return current($this->items);
    }

    /**
     * {@inheritDoc}
     */
    public function key()
    {
        return key($this->items);
    }

    /**
     * {@inheritDoc}
     */
    public function next()
    {
        return next($this->items);
    }

    /**
     * {@inheritDoc}
     */
    public function rewind()
    {
        reset($this->items);
    }

    /**
     * {@inheritDoc}
     */
    public function valid()
    {
        return $this->has(key($this->items));
    }

    /** ++++                  ++++ **/
    /** ++   Countable Method   ++ **/
    /** ++++                  ++++ **/

    /**
     * {@inheritDoc}
     */
    public function count()
    {
        return count($this->items);
    }
}