Cart::total() - Code Metrics - Inspection of "update php versions tested" - mike182uk/cart - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (5630d8)

by Michael

created 2016-11-24 22:03 UTC

Cart::total() A

↳ Parent: Cart

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	8
ccs	0
cts	0
cp	0
rs	9.4285
cc	1
eloc	5
nc	1
nop	0
crap	2

<?php

namespace Cart;

use Cart\Storage\Store;

class Cart implements Arrayable
{
    /**
     * The cart id.
     *
     * @var string
     */
    private $id;

    /**
     * Items in the cart.
     *
     * @var CartItem[]
     */
    private $items = array();

    /**
     * Cart storage implementation.
     *
     * @var Store
     */
    private $store;

    /**
     * Create a new cart instance.
     *
     * @param string $id
     * @param Store  $store
     */
    public function __construct($id, Store $store)
    {
        $this->id = $id;
        $this->store = $store;
    }

    /**
     * Retrieve the cart storage implementation.
     *
     * @return Store
     */
    public function getStore()
    {
        return $this->store;
    }

    /**
     * Retrieve the cart id.
     *
     * @return string
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Retrieve all of the items in the cart.
     *
     * @return CartItem[]
     */
    public function all()
    {
        return $this->items;
    }

    /**
     * Add an item to the cart.
     *
     * @param CartItem $cartItem
     */
    public function add(CartItem $cartItem)
    {
        $itemId = $cartItem->getId();

        // if item already exists in the cart, just update the quantity,
        // otherwise add it as a new item
        if ($this->has($itemId)) {
            $existingItem = $this->find($itemId);
            $existingItem->quantity += $cartItem->quantity;
        } else {
            $this->items[] = $cartItem;
        }
    }

    /**
     * Remove an item from the cart.
     *
     * @param string $itemId
     */
    public function remove($itemId)
    {
        $items = &$this->items;

        foreach ($items as $position => $item) {
            if ($itemId === $item->id) {
                unset($items[$position]);
            }
        }
    }

    /**
     * Update an item in the cart.
     *
     * @param string $itemId
     * @param string $key
     * @param mixed  $value
     *
     * @return string
     *
     * @throws \InvalidArgumentException
     */
    public function update($itemId, $key, $value)
    {
        $item = $this->find($itemId);

        if (!$item) {
            throw new \InvalidArgumentException(sprintf('Item [%s] does not exist in cart.', $itemId));
        }

        $item->$key = $value;

        return $item->id;
    }

    /**
     * Retrieve an item from the cart by its id.
     *
     * @param string $itemId
     *
     * @return CartItem|null
     */
    public function get($itemId)
    {
        return $this->find($itemId);
    }

    /**
     * Determine if an item exists in the cart.
     *
     * @param string $itemId
     *
     * @return bool
     */
    public function has($itemId)
    {
        return !is_null($this->find($itemId));
    }

    /**
     * Find an item in the cart.
     *
     * @param string $itemId
     *
     * @return CartItem|null
     */
    public function find($itemId)
    {
        foreach ($this->items as $item) {
            if ($itemId === $item->id) {
                return $item;
            }
        }

        return;
    }

    /**
     * Get the total number of unique items in the cart.
     *
     * @return int
     */
    public function totalUniqueItems()
    {
        return count($this->items);
    }

    /**
     * Get the total number of items in the cart.
     *
     * @return int
     */
    public function totalItems()
    {
        return array_sum(
            array_map(function (CartItem $item) {
                return $item->quantity;
            }, $this->items)
        );
    }

    /**
     * Get the cart total including tax.
     *
     * @return float
     */
    public function total()
    {
        return (float) array_sum(
            array_map(function (CartItem $item) {
                return $item->getTotalPrice();
            }, $this->items)
        );
    }

    /**
     * Get the cart total excluding tax.
     *
     * @return float
     */
    public function totalExcludingTax()
    {
        return (float) array_sum(
            array_map(function (CartItem $item) {
                return $item->getTotalPriceExcludingTax();
            }, $this->items)
        );
    }

    /**
     * Get the cart tax.
     *
     * @return float
     */
    public function tax()
    {
        return (float) array_sum(
            array_map(function (CartItem $item) {
                return $item->getTotalTax();
            }, $this->items)
        );
    }

    /**
     * Remove all items from the cart.
     */
    public function clear()
    {
        $this->items = array();

        $this->store->flush($this->id);
    }

    /**
     * Save the cart state.
     */
    public function save()
    {
        $data = serialize($this->toArray());

        $this->store->put($this->id, $data);
    }

    /**
     * Restore the cart from its saved state.
     *
     * @throws CartRestoreException
     */
    public function restore()
    {
        $state = $this->store->get($this->id);

        if ($state == '') {
            return;
        }

        $data = @unserialize($state); // suppress unserializable error

        $this->restoreCheckType($data);
        $this->restoreCheckContents($data);
        $this->restoreCheckContentsType($data);

        $this->id = $data['id'];
        $this->items = array();

        foreach ($data['items'] as $itemArr) {
            $this->items[] = new CartItem($itemArr);
        }
    }

    /**
     * Check the data to be restored is of the correct type.
     *
     * @param mixed $data
     *
     * @throws CartRestoreException
     */
    private function restoreCheckType($data)
    {
        if ($data === false) {
            throw new CartRestoreException('Saved cart state is unserializable.');
        }

        if (!is_array($data)) {
            throw new CartRestoreException('Unserialized data is not an array.');
        }
    }

    /**
     * Check the contents of the data to be restored contains the correct data.
     *
     * @param array $data
     *
     * @throws CartRestoreException
     */
    private function restoreCheckContents(array $data)
    {
        if (!isset($data['id']) || !isset($data['items'])) {
            throw new CartRestoreException('Missing cart ID or cart items.');
        }
    }

    /**
     * Check the contents of the data to be restored is of the correct type.
     *
     * @param array $data
     *
     * @throws CartRestoreException
     */
    private function restoreCheckContentsType(array $data)
    {
        if (!is_string($data['id']) || !is_array($data['items'])) {
            throw new CartRestoreException('Cart ID not a string or cart items not an array.');
        }
    }

    /**
     * Export the cart as an array.
     *
     * @return array
     */
    public function toArray()
    {
        return array(
            'id' => $this->id,
            'items' => array_map(function (CartItem $item) {
                return $item->toArray();
            }, $this->items),
        );
    }
}


1		<?php
2
3		namespace Cart;
4
5		use Cart\Storage\Store;
6
7		class Cart implements Arrayable
8		{
9		/**
10		* The cart id.
11		*
12		* @var string
13		*/
14		private $id;
15
16		/**
17		* Items in the cart.
18		*
19		* @var CartItem[]
20		*/
21		private $items = array();
22
23		/**
24		* Cart storage implementation.
25		*
26		* @var Store
27		*/
28		private $store;
29
30		/**
31		* Create a new cart instance.
32		*
33		* @param string $id
34		* @param Store $store
35		*/
36	19	public function __construct($id, Store $store)
37		{
38	19	$this->id = $id;
39	19	$this->store = $store;
40		}
41
42		/**
43		* Retrieve the cart storage implementation.
44		*
45		* @return Store
46		*/
47	1	public function getStore()
48		{
49	1	return $this->store;
50		}
51
52		/**
53		* Retrieve the cart id.
54		*
55		* @return string
56		*/
57	2	public function getId()
58		{
59	2	return $this->id;
60		}
61
62		/**
63		* Retrieve all of the items in the cart.
64		*
65		* @return CartItem[]
66		*/
67	2	public function all()
68		{
69	2	return $this->items;
70		}
71
72		/**
73		* Add an item to the cart.
74		*
75		* @param CartItem $cartItem
76		*/
77	5	public function add(CartItem $cartItem)
78		{
79		$itemId = $cartItem->getId();
80
81		// if item already exists in the cart, just update the quantity,
82		// otherwise add it as a new item
83		if ($this->has($itemId)) {
84		$existingItem = $this->find($itemId);
85		$existingItem->quantity += $cartItem->quantity;
86		} else {
87	5	$this->items[] = $cartItem;
88	1	}
89		}
90
91		/**
92		* Remove an item from the cart.
93		*
94		* @param string $itemId
95		*/
96	1	public function remove($itemId)
97		{
98	1	$items = &$this->items;
99
100		foreach ($items as $position => $item) {
101		if ($itemId === $item->id) {
102	1	unset($items[$position]);
103		}
104		}
105	1	}
106
107		/**
108		* Update an item in the cart.
109		*
110		* @param string $itemId
111		* @param string $key
112		* @param mixed $value
113		*
114		* @return string
115		*
116		* @throws \InvalidArgumentException
117		*/
118		public function update($itemId, $key, $value)
119		{
120		$item = $this->find($itemId);
121
122		if (!$item) {
123		throw new \InvalidArgumentException(sprintf('Item [%s] does not exist in cart.', $itemId));
124		}
125
126		$item->$key = $value;
127
128		return $item->id;
129		}
130
131		/**
132		* Retrieve an item from the cart by its id.
133		*
134		* @param string $itemId
135		*
136		* @return CartItem\|null
137		*/
138		public function get($itemId)
139		{
140		return $this->find($itemId);
141		}
142
143		/**
144		* Determine if an item exists in the cart.
145		*
146		* @param string $itemId
147		*
148		* @return bool
149		*/
150		public function has($itemId)
151		{
152		return !is_null($this->find($itemId));
153		}
154
155		/**
156		* Find an item in the cart.
157		*
158		* @param string $itemId
159		*
160		* @return CartItem\|null
161		*/
162	3	public function find($itemId)
163		{
164		foreach ($this->items as $item) {
165		if ($itemId === $item->id) {
166	3	return $item;
167		}
168		}
169
170	2	return;
171		}
172
173		/**
174		* Get the total number of unique items in the cart.
175		*
176		* @return int
177		*/
178		public function totalUniqueItems()
179		{
180		return count($this->items);
181		}
182
183		/**
184		* Get the total number of items in the cart.
185		*
186		* @return int
187		*/
188		public function totalItems()
189		{
190		return array_sum(
191		array_map(function (CartItem $item) {
192		return $item->quantity;
193		}, $this->items)
194		);
195		}
196
197		/**
198		* Get the cart total including tax.
199		*
200		* @return float
201		*/
202		public function total()
203		{
204		return (float) array_sum(
205		array_map(function (CartItem $item) {
206		return $item->getTotalPrice();
207		}, $this->items)
208		);
209		}
210
211		/**
212		* Get the cart total excluding tax.
213		*
214		* @return float
215		*/
216		public function totalExcludingTax()
217		{
218		return (float) array_sum(
219		array_map(function (CartItem $item) {
220		return $item->getTotalPriceExcludingTax();
221		}, $this->items)
222		);
223		}
224
225		/**
226		* Get the cart tax.
227		*
228		* @return float
229		*/
230		public function tax()
231		{
232		return (float) array_sum(
233		array_map(function (CartItem $item) {
234		return $item->getTotalTax();
235		}, $this->items)
236		);
237		}
238
239		/**
240		* Remove all items from the cart.
241		*/
242	1	public function clear()
243		{
244	1	$this->items = array();
245
246		$this->store->flush($this->id);
247	1	}
248
249		/**
250		* Save the cart state.
251		*/
252	1	public function save()
253		{
254		$data = serialize($this->toArray());
255
256		$this->store->put($this->id, $data);
257	1	}
258
259		/**
260		* Restore the cart from its saved state.
261		*
262		* @throws CartRestoreException
263		*/
264	2	public function restore()
265		{
266		$state = $this->store->get($this->id);
267
268	2	if ($state == '') {
269	1	return;
270		}
271
272		$data = @unserialize($state); // suppress unserializable error
273
274		$this->restoreCheckType($data);
275		$this->restoreCheckContents($data);
276		$this->restoreCheckContentsType($data);
277
278	1	$this->id = $data['id'];
279	1	$this->items = array();
280
281	1	foreach ($data['items'] as $itemArr) {
282		$this->items[] = new CartItem($itemArr);
283		}
284	1	}
285
286		/**
287		* Check the data to be restored is of the correct type.
288		*
289		* @param mixed $data
290		*
291		* @throws CartRestoreException
292		*/
293	1	private function restoreCheckType($data)
294		{
295	1	if ($data === false) {
296		throw new CartRestoreException('Saved cart state is unserializable.');
297		}
298
299		if (!is_array($data)) {
300		throw new CartRestoreException('Unserialized data is not an array.');
301		}
302	1	}
303
304		/**
305		* Check the contents of the data to be restored contains the correct data.
306		*
307		* @param array $data
308		*
309		* @throws CartRestoreException
310		*/
311	1	private function restoreCheckContents(array $data)
312		{
313	1	if (!isset($data['id']) \|\| !isset($data['items'])) {
314		throw new CartRestoreException('Missing cart ID or cart items.');
315		}
316		}
317
318		/**
319		* Check the contents of the data to be restored is of the correct type.
320		*
321		* @param array $data
322		*
323		* @throws CartRestoreException
324		*/
325		private function restoreCheckContentsType(array $data)
326		{
327		if (!is_string($data['id']) \|\| !is_array($data['items'])) {
328		throw new CartRestoreException('Cart ID not a string or cart items not an array.');
329		}
330		}
331
332		/**
333		* Export the cart as an array.
334		*
335		* @return array
336		*/
337	2	public function toArray()
338		{
339		return array(
340	2	'id' => $this->id,
341	2	'items' => array_map(function (CartItem $item) {
342		return $item->toArray();
343	2	}, $this->items),
344	2	);
345		}
346		}
347

mike182uk / cart

Branch — master (5630d8)

Cart::total() A

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