Passed
Pull Request — master (#134)
by Rustam
02:40
created

RouteCollection::injectGroup()   C

Complexity

Conditions 14
Paths 49

Size

Total Lines 53
Code Lines 33

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 32
CRAP Score 14.0054

Importance

Changes 5
Bugs 0 Features 0
Metric Value
cc 14
eloc 33
c 5
b 0
f 0
nc 49
nop 4
dl 0
loc 53
ccs 32
cts 33
cp 0.9697
crap 14.0054
rs 6.2666

How to fix   Long Method    Complexity   

Long Method

Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.

For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.

Commonly applied refactorings include:

1
<?php
2
3
declare(strict_types=1);
4
5
namespace Yiisoft\Router;
6
7
use InvalidArgumentException;
8
use Psr\Http\Message\ResponseFactoryInterface;
9
use Yiisoft\Http\Method;
10
11
final class RouteCollection implements RouteCollectionInterface
12
{
13
    private RouteCollectorInterface $collector;
14
15
    private array $items = [];
16
17
    /**
18
     * All attached routes as Route instances
19
     *
20
     * @var Route[]
21
     */
22
    private array $routes = [];
23
24 18
    public function __construct(RouteCollectorInterface $collector)
25
    {
26 18
        $this->collector = $collector;
27 18
    }
28
29 7
    public function getRoutes(): array
30
    {
31 7
        $this->ensureItemsInjected();
32 5
        return $this->routes;
33
    }
34
35 13
    public function getRoute(string $name): Route
36
    {
37 13
        $this->ensureItemsInjected();
38 13
        if (!array_key_exists($name, $this->routes)) {
39 1
            throw new RouteNotFoundException($name);
40
        }
41
42 12
        return $this->routes[$name];
43
    }
44
45 1
    public function getRouteTree(bool $routeAsString = true): array
46
    {
47 1
        $this->ensureItemsInjected();
48 1
        return $this->buildTree($this->items, $routeAsString);
49
    }
50
51 18
    private function ensureItemsInjected(): void
52
    {
53 18
        if ($this->items === []) {
54 18
            $this->injectItems($this->collector->getItems());
55
        }
56 16
    }
57
58
    /**
59
     * Build routes array
60
     *
61
     * @param Group[]|Route[] $items
62
     */
63 18
    private function injectItems(array $items): void
64
    {
65 18
        foreach ($items as $index => $item) {
66 18
            foreach ($this->collector->getMiddlewareDefinitions() as $middlewareDefinition) {
67 1
                $item = $item->prependMiddleware($middlewareDefinition);
68
            }
69 18
            $this->injectItem($item);
70
        }
71 16
    }
72
73
    /**
74
     * Add an item into routes array
75
     *
76
     * @param Group|Route $route
77
     */
78 18
    private function injectItem($route): void
79
    {
80 18
        if ($route instanceof Group) {
81 18
            $this->injectGroup($route, $this->items);
82 17
            return;
83
        }
84
85 2
        $this->items[] = $route->getName();
86 2
        $routeName = $route->getName();
87 2
        if (isset($this->routes[$routeName]) && !$route->isOverride()) {
88 1
            throw new InvalidArgumentException("A route with name '$routeName' already exists.");
89
        }
90 1
        $this->routes[$routeName] = $route;
91 1
    }
92
93
    /**
94
     * Inject a Group instance into route and item arrays.
95
     */
96 18
    private function injectGroup(Group $group, array &$tree, string $prefix = '', string $namePrefix = ''): void
97
    {
98 18
        $prefix .= $group->getPrefix();
99 18
        $namePrefix .= $group->getNamePrefix();
100 18
        $items = $group->getItems();
101 18
        $pattern = null;
102 18
        $host = null;
103 18
        foreach ($items as $item) {
104 18
            if ($item instanceof Group || $item->hasMiddlewares()) {
105 14
                $groupMiddlewares = $group->getMiddlewareDefinitions();
106 14
                foreach ($groupMiddlewares as $middleware) {
107 6
                    $item = $item->prependMiddleware($middleware);
108
                }
109
            }
110
111 18
            if ($group->getHost() !== null && $item->getHost() === null) {
112 1
                $item = $item->host($group->getHost());
113
            }
114
115 18
            if ($item instanceof Group) {
116 6
                if ($group->hasAutoOptions()) {
117 2
                    $item = $item->withAutoOptions(...$group->getAutoOptions());
118
                }
119
                /** @var Group $item */
120 6
                if (empty($item->getPrefix())) {
121 2
                    $this->injectGroup($item, $tree, $prefix, $namePrefix);
122 2
                    continue;
123
                }
124 5
                $tree[$item->getPrefix()] = [];
125 5
                $this->injectGroup($item, $tree[$item->getPrefix()], $prefix, $namePrefix);
126 5
                continue;
127
            }
128
129
            /** @var Route $modifiedItem */
130 18
            $modifiedItem = $item->pattern($prefix . $item->getPattern());
131
132 18
            if (strpos($modifiedItem->getName(), implode(', ', $modifiedItem->getMethods())) === false) {
133 13
                $modifiedItem = $modifiedItem->name($namePrefix . $modifiedItem->getName());
134
            }
135
136 18
            $this->processAutoOptions($group, $host, $pattern, $modifiedItem, $tree);
137
138 18
            if (empty($tree[$group->getPrefix()])) {
139 18
                $tree[] = $modifiedItem->getName();
140
            } else {
141
                $tree[$group->getPrefix()][] = $modifiedItem->getName();
142
            }
143
144 18
            $routeName = $modifiedItem->getName();
145 18
            if (isset($this->routes[$routeName]) && !$modifiedItem->isOverride()) {
146 1
                throw new InvalidArgumentException("A route with name '$routeName' already exists.");
147
            }
148 18
            $this->routes[$routeName] = $modifiedItem;
149
        }
150 17
    }
151
152 18
    private function processAutoOptions($group, &$host, &$pattern, &$modifiedItem, &$tree): void
153
    {
154
        if (
155 18
            $group->hasAutoOptions()
156 5
            && !(($pattern === $modifiedItem->getPattern() && $host === $modifiedItem->getHost())
157 18
                || in_array(Method::OPTIONS, $modifiedItem->getMethods(), true))
158
        ) {
159 5
            $pattern = $modifiedItem->getPattern();
160 5
            $host = $modifiedItem->getHost();
161
            /** @var Route $optionsRoute */
162 5
            $optionsRoute = Route::options($pattern);
163 5
            if ($host !== null) {
164 1
                $optionsRoute = $optionsRoute->host($host);
165
            }
166 5
            foreach ($group->getAutoOptions() as $middleware) {
167 5
                $optionsRoute = $optionsRoute->middleware($middleware);
168 5
                $modifiedItem = $modifiedItem->prependMiddleware($middleware);
169
            }
170
171 5
            if (empty($tree[$group->getPrefix()])) {
172 5
                $tree[] = $optionsRoute->getName();
173
            } else {
174
                $tree[$group->getPrefix()][] = $optionsRoute->getName();
175
            }
176
177 5
            $this->routes[$optionsRoute->getName()] = $optionsRoute->action(
178 5
                static fn (ResponseFactoryInterface $responseFactory) => $responseFactory->createResponse(204)
179 5
            );
180
        }
181 18
    }
182
183
    /**
184
     * Builds route tree from items
185
     *
186
     * @param array $items
187
     * @param bool $routeAsString
188
     *
189
     * @return array
190
     */
191 1
    private function buildTree(array $items, bool $routeAsString): array
192
    {
193 1
        $tree = [];
194 1
        foreach ($items as $key => $item) {
195 1
            if (is_array($item)) {
196 1
                $tree[$key] = $this->buildTree($items[$key], $routeAsString);
197
            } else {
198 1
                $tree[] = $routeAsString ? (string)$this->getRoute($item) : $this->getRoute($item);
199
            }
200
        }
201 1
        return $tree;
202
    }
203
}
204