MenuService::getNestedAll() - Code Metrics - Inspection of "Refactored MenuService, changed order/delete logic..." - phpsrbija/unfinished - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#140)

unknown

created 2017-08-26 15:51 UTC

MenuService::getNestedAll() A

↳ Parent: MenuService

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	3
nc	1
nop	2
dl	0
loc	6
rs	9.4285
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Menu\Service;

use Category\Service\CategoryService;
use Menu\Filter\MenuFilter;
use Menu\Mapper\MenuMapper;
use MysqlUuid\Formats\Binary;
use MysqlUuid\Uuid as MysqlUuid;
use Page\Service\PageService;
use Ramsey\Uuid\Uuid;
use Std\FilterException;
use Zend\Db\Sql\Expression;

class MenuService
{
    private $menuMapper;
    private $menuFilter;
    private $categoryService;
    private $pageService;

    /**
     * We store menu items in DB as flat structure,
     * but we need nested(tree) structure to show in the menu.
     *
     * @param array $flatArray Array from DB
     *
     * @return array Return same array with tree structure
     */
    private function unflattenArray(array $flatArray)
    {
        $flatArray = array_reverse($flatArray);
        $refs = [];
        $result = [];

        while (count($flatArray) > 0) {
            for ($i = count($flatArray) - 1; $i >= 0; $i--) {
                if (!isset($flatArray[$i]['children'])) {
                    $flatArray[$i]['children'] = [];
                }

                if (!$flatArray[$i]['parent_id']) {
                    $result[$flatArray[$i]['menu_id']] = $flatArray[$i];
                    $refs[$flatArray[$i]['menu_id']] = &$result[$flatArray[$i]['menu_id']];
                    unset($flatArray[$i]);
                    $flatArray = array_values($flatArray);
                } elseif ($flatArray[$i]['parent_id'] != 0) {
                    if (array_key_exists($flatArray[$i]['parent_id'], $refs)) {
                        $o = $flatArray[$i];
                        $refs[$flatArray[$i]['menu_id']] = $o;
                        $refs[$flatArray[$i]['parent_id']]['children'][] = &$refs[$flatArray[$i]['menu_id']];
                        unset($flatArray[$i]);
                        $flatArray = array_values($flatArray);
                    }
                }
            }
        }

        return $result;
    }

    public function __construct(
        MenuMapper $menuMapper,
        MenuFilter $menuFilter,
        CategoryService $categoryService,
        PageService $pageService
    ) {
        $this->menuMapper = $menuMapper;
        $this->menuFilter = $menuFilter;
        $this->categoryService = $categoryService;
        $this->pageService = $pageService;
    }

    public function getNestedAll($isActive = null, $filter = [])
    {
        $items = $this->menuMapper->selectAll($isActive, $filter)->toArray();

        return $this->unflattenArray($items);
    }

    public function get($id)
    {
        return $this->menuMapper->get($id);
    }

    public function addMenuItem($data)
    {
        $data  = $this->filterMenuItem($data);
        $order = $this->getMaxParentsOrderNumber();

        $data['menu_id'] = Uuid::uuid1()->toString();
        $data['menu_uuid'] = (new MysqlUuid($data['menu_id']))->toFormat(new Binary());
        $data['order_no'] = (!empty($order)) ? ($order + 1) : 1;

        return $this->menuMapper->insertMenuItem($data);
    }

    public function updateMenuItem($data, $id)
    {
        $data = $this->filterMenuItem($data);

        return $this->menuMapper->updateMenuItem($data, $id);
    }

    public function delete($id)
    {
        $menu     = $this->menuMapper->select(['menu_id' => $id]);
        $children = $this->menuMapper->select(['parent_id' => $id]);

        if ($children->count()) {
            $menu = $menu->current();
            $this->menuMapper->update([
                'order_no'  => new Expression('order_no + ' . ($children->count() - 1))], [
                'parent_id' => $menu->parent_id,
                'order_no'  => new Expression('order_no > ' . ($menu->order_no))
            ]);

            foreach ($children->toArray() as $child) {
                $child['parent_id'] = $menu->parent_id;
                $child['order_no'] += ($menu->order_no - 1);
                $this->menuMapper->update($child, [
                    'menu_id' => $child['menu_id']
                ]);
            }
        }

        return $this->menuMapper->delete(['menu_id' => $id]);
    }

    public function getForSelect()
    {
        return $this->menuMapper->forSelect();
    }

    public function updateMenuOrder($menuOrder)
    {
        if (!$menuOrder) {
            return true;
        }

        try {
            $this->menuMapper->getAdapter()->getDriver()->getConnection()->beginTransaction();
            $this->updateLevel($menuOrder, null);
            $this->menuMapper->getAdapter()->getDriver()->getConnection()->commit();
        } catch (\Exception $e) {
            $this->menuMapper->getAdapter()->getDriver()->getConnection()->rollback();

            throw $e;
        }

        return true;
    }

    private function updateLevel($children, $parentId = null)
    {
        $i=0; foreach ($children as $v) { $i++;
            if (isset($v->children)) {
                $this->menuMapper->update(['order_no' => $i, 'parent_id' => $parentId], ['menu_id' => $v->id]);
                $this->updateLevel($v->children, $v->id);
            } else {
                $this->menuMapper->update(['order_no' => $i, 'parent_id' => $parentId], ['menu_id' => $v->id]);
            }
        }
    }

    private function filterMenuItem($data)
    {
        $filter = $this->menuFilter->getInputFilter()->setData($data);

        if (!$filter->isValid()) {
            throw new FilterException($filter->getMessages());
        }

        if (count(array_filter([$data['page_id'], $data['category_id'], $data['href']])) > 1) {
            throw new \Exception('You need to set only one link. Post, Category or Href.');
        }

        $data = $filter->getValues();

        if ($data['page_id']) {
            $page = $this->pageService->getPage($data['page_id']);
            $data['page_uuid'] = $page->getPageUuid();
            $data['category_uuid'] = null;
        } elseif ($data['category_id']) {
            $category
                = $this->categoryService->getCategory($data['category_id']);
            $data['category_uuid'] = $category->category_uuid;
            $data['page_uuid'] = null;
        } else {
            $data['page_uuid'] = null;
            $data['category_uuid'] = null;
        }

        unset($data['page_id'], $data['category_id']);

        return $data;
    }

    /**
     * Returns max order number if found.
     *
     * @return integer|null
     */
    private function getMaxParentsOrderNumber()
    {
        $select = $this->menuMapper
            ->getSql()
            ->setTable('menu')
            ->select()
            ->where(['parent_id'  => new Expression('NULL')])
            ->columns(['order_no' => new Expression('MAX(order_no)')])
        ;

        $result = $this->menuMapper->selectWith($select)->current();
        return $result->order_no;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Menu\Service;
6
7			use Category\Service\CategoryService;
8			use Menu\Filter\MenuFilter;
9			use Menu\Mapper\MenuMapper;
10			use MysqlUuid\Formats\Binary;
11			use MysqlUuid\Uuid as MysqlUuid;
12			use Page\Service\PageService;
13			use Ramsey\Uuid\Uuid;
14			use Std\FilterException;
15			use Zend\Db\Sql\Expression;
16
17			class MenuService
18			{
19			private $menuMapper;
20			private $menuFilter;
21			private $categoryService;
22			private $pageService;
23
24			/**
25			* We store menu items in DB as flat structure,
26			* but we need nested(tree) structure to show in the menu.
27			*
28			* @param array $flatArray Array from DB
29			*
30			* @return array Return same array with tree structure
31			*/
32			private function unflattenArray(array $flatArray)
33			{
34			$flatArray = array_reverse($flatArray);
35			$refs = [];
36			$result = [];
37
38			while (count($flatArray) > 0) {
39			for ($i = count($flatArray) - 1; $i >= 0; $i--) {
40			if (!isset($flatArray[$i]['children'])) {
41			$flatArray[$i]['children'] = [];
42			}
43
44			if (!$flatArray[$i]['parent_id']) {
45			$result[$flatArray[$i]['menu_id']] = $flatArray[$i];
46			$refs[$flatArray[$i]['menu_id']] = &$result[$flatArray[$i]['menu_id']];
47			unset($flatArray[$i]);
48			$flatArray = array_values($flatArray);
49			} elseif ($flatArray[$i]['parent_id'] != 0) {
50			if (array_key_exists($flatArray[$i]['parent_id'], $refs)) {
51			$o = $flatArray[$i];
52			$refs[$flatArray[$i]['menu_id']] = $o;
53			$refs[$flatArray[$i]['parent_id']]['children'][] = &$refs[$flatArray[$i]['menu_id']];
54			unset($flatArray[$i]);
55			$flatArray = array_values($flatArray);
56			}
57			}
58			}
59			}
60
61			return $result;
62			}
63
64			public function __construct(
65			MenuMapper $menuMapper,
66			MenuFilter $menuFilter,
67			CategoryService $categoryService,
68			PageService $pageService
69			) {
70			$this->menuMapper = $menuMapper;
71			$this->menuFilter = $menuFilter;
72			$this->categoryService = $categoryService;
73			$this->pageService = $pageService;
74			}
75
76			public function getNestedAll($isActive = null, $filter = [])
77			{
78			$items = $this->menuMapper->selectAll($isActive, $filter)->toArray();
79
80			return $this->unflattenArray($items);
81			}
82
83			public function get($id)
84			{
85			return $this->menuMapper->get($id);
86			}
87
88			public function addMenuItem($data)
89			{
90			$data = $this->filterMenuItem($data);
91			$order = $this->getMaxParentsOrderNumber();
92
93			$data['menu_id'] = Uuid::uuid1()->toString();
94			$data['menu_uuid'] = (new MysqlUuid($data['menu_id']))->toFormat(new Binary());
95			$data['order_no'] = (!empty($order)) ? ($order + 1) : 1;
96
97			return $this->menuMapper->insertMenuItem($data);
98			}
99
100			public function updateMenuItem($data, $id)
101			{
102			$data = $this->filterMenuItem($data);
103
104			return $this->menuMapper->updateMenuItem($data, $id);
105			}
106
107			public function delete($id)
108			{
109			$menu = $this->menuMapper->select(['menu_id' => $id]);
110			$children = $this->menuMapper->select(['parent_id' => $id]);
111
112			if ($children->count()) {
113			$menu = $menu->current();
114			$this->menuMapper->update([
115			'order_no' => new Expression('order_no + ' . ($children->count() - 1))], [
116			'parent_id' => $menu->parent_id,
117			'order_no' => new Expression('order_no > ' . ($menu->order_no))
118			]);
119
120			foreach ($children->toArray() as $child) {
121			$child['parent_id'] = $menu->parent_id;
122			$child['order_no'] += ($menu->order_no - 1);
123			$this->menuMapper->update($child, [
124			'menu_id' => $child['menu_id']
125			]);
126			}
127			}
128
129			return $this->menuMapper->delete(['menu_id' => $id]);
130			}
131
132			public function getForSelect()
133			{
134			return $this->menuMapper->forSelect();
135			}
136
137			public function updateMenuOrder($menuOrder)
138			{
139			if (!$menuOrder) {
140			return true;
141			}
142
143			try {
144			$this->menuMapper->getAdapter()->getDriver()->getConnection()->beginTransaction();
145			$this->updateLevel($menuOrder, null);
146			$this->menuMapper->getAdapter()->getDriver()->getConnection()->commit();
147			} catch (\Exception $e) {
148			$this->menuMapper->getAdapter()->getDriver()->getConnection()->rollback();
149
150			throw $e;
151			}
152
153			return true;
154			}
155
156			private function updateLevel($children, $parentId = null)
157			{
158			$i=0; foreach ($children as $v) { $i++;
159			if (isset($v->children)) {
160			$this->menuMapper->update(['order_no' => $i, 'parent_id' => $parentId], ['menu_id' => $v->id]);
161			$this->updateLevel($v->children, $v->id);
162			} else {
163			$this->menuMapper->update(['order_no' => $i, 'parent_id' => $parentId], ['menu_id' => $v->id]);
164			}
165			}
166			}
167
168			private function filterMenuItem($data)
169			{
170			$filter = $this->menuFilter->getInputFilter()->setData($data);
171
172			if (!$filter->isValid()) {
173			throw new FilterException($filter->getMessages());
174			}
175
176			if (count(array_filter([$data['page_id'], $data['category_id'], $data['href']])) > 1) {
177			throw new \Exception('You need to set only one link. Post, Category or Href.');
178			}
179
180			$data = $filter->getValues();
181
182			if ($data['page_id']) {
183			$page = $this->pageService->getPage($data['page_id']);
184			$data['page_uuid'] = $page->getPageUuid();
185			$data['category_uuid'] = null;
186			} elseif ($data['category_id']) {
187			$category
188			= $this->categoryService->getCategory($data['category_id']);
189			$data['category_uuid'] = $category->category_uuid;
190			$data['page_uuid'] = null;
191			} else {
192			$data['page_uuid'] = null;
193			$data['category_uuid'] = null;
194			}
195
196			unset($data['page_id'], $data['category_id']);
197
198			return $data;
199			}
200
201			/**
202			* Returns max order number if found.
203			*
204			* @return integer\|null
205			*/
206			private function getMaxParentsOrderNumber()
207			{
208			$select = $this->menuMapper
209			->getSql()
210			->setTable('menu')
211			->select()
212			->where(['parent_id' => new Expression('NULL')])
213			->columns(['order_no' => new Expression('MAX(order_no)')])
214			;
215
216			$result = $this->menuMapper->selectWith($select)->current();
217			return $result->order_no;
218			}
219			}
220

phpsrbija / unfinished

Pull Request — master (#140)

MenuService::getNestedAll() A

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