Passed
Push — master ( fc9732...e9933a )
by Mikael
02:34
created

RouterInjectable::handleInternal()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 9
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2.0116

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 9
ccs 6
cts 7
cp 0.8571
rs 9.6666
cc 2
eloc 6
nc 2
nop 1
crap 2.0116
1
<?php
2
3
namespace Anax\Route;
4
5
/**
6
 * A container for routes.
7
 */
8
class RouterInjectable
9
{
10
    /**
11
     * @var array       $routes         all the routes.
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     * @var array       $internalRoutes all internal routes.
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     * @var null|string $lastRoute      last route that was matched and called.
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     */
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    private $routes         = [];
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    private $internalRoutes = [];
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    private $lastRoute      = null;
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    /**
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     * Handle the routes and match them towards the request, dispatch them
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     * when a match is made. Each route handler may throw exceptions that
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     * may redirect to an internal route for error handling.
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     * Several routes can match and if the routehandler does not break
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     * execution flow, the route matching will carry on.
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     * Only the last routehandler will get its return value returned further.
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     *
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     * @param string $path    the path to find a matching handler for.
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     * @param string $method  the request method to match.
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     *
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     * @return mixed content returned from route.
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     */
34 13
    public function handle($path, $method = null)
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    {
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        try {
37 13
            $match = false;
38 13
            foreach ($this->routes as $route) {
39 12
                if ($route->match($path, $method)) {
40 12
                    $this->lastRoute = $route->getRule();
41 12
                    $match = true;
42 12
                    $results = $route->handle();
43 9
                }
44 10
            }
45
46 10
            if ($match) {
47 9
                return $results;
0 ignored issues
show
Bug introduced by
The variable $results does not seem to be defined for all execution paths leading up to this point.

If you define a variable conditionally, it can happen that it is not defined for all execution paths.

Let’s take a look at an example:

function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}

In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.

Available Fixes

  1. Check for existence of the variable explicitly:

    function myFunction($a) {
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
        }
    
        if (isset($x)) { // Make sure it's always set.
            echo $x;
        }
    }
    
  2. Define a default value for the variable:

    function myFunction($a) {
        $x = ''; // Set a default which gets overridden for certain paths.
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
        }
    
        echo $x;
    }
    
  3. Add a value for the missing path:

    function myFunction($a) {
        switch ($a) {
            case 'foo':
                $x = 1;
                break;
    
            case 'bar':
                $x = 2;
                break;
    
            // We add support for the missing case.
            default:
                $x = '';
                break;
        }
    
        echo $x;
    }
    
Loading history...
48
            }
49
50 1
            $this->handleInternal("404");
51 4
        } catch (ForbiddenException $e) {
52 1
            $this->handleInternal("403");
53 3
        } catch (NotFoundException $e) {
54 2
            $this->handleInternal("404");
55 1
        } catch (InternalErrorException $e) {
56 1
            $this->handleInternal("500");
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        }
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    }
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    /**
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     * Handle an internal route, the internal routes are not exposed to the
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     * end user.
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     *
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     * @param string $rule for this route.
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     *
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     * @return void
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     *
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     * @throws \Anax\Route\NotFoundException
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     */
72 4
    public function handleInternal($rule)
73
    {
74 4
        if (!isset($this->internalRoutes[$rule])) {
75 1
            throw new NotFoundException("No internal route to handle: " . $rule);
76
        }
77 3
        $route = $this->internalRoutes[$rule];
78 3
        $this->lastRoute = $rule;
79 3
        $route->handle();
80
    }
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    /**
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     * Add a route with a request method, a path rule to match and an action
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     * as the callback. Adding several path rules (array) results in several
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     * routes being created.
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     *
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     * @param null|string|array    $method as a valid request method.
90
     * @param null|string|array    $rule   path rule for this route.
91
     * @param null|string|callable $action to implement a handler for the route.
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     *
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     * @return class|array as new route(s), class if one added, else array.
94
     */
95 13
    public function any($method, $rule, $action)
96
    {
97 13
        $rules = is_array($rule) ? $rule : [$rule];
98
99 13
        $routes = [];
100 13
        foreach ($rules as $val) {
101 13
            $route = new Route();
102 13
            $route->set($val, $action, $method);
103 13
            $routes[] = $route;
104 13
            $this->routes[] = $route;
105 13
        }
106
107 13
        return count($routes) === 1 ? $routes[0] : $routes;
108
    }
109
110
111
112
    /**
113
     * Add a route to the router by rule(s) and a callback.
114
     *
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     * @param null|string|array    $rule   for this route.
116
     * @param null|string|callable $action a callback handler for the route.
117
     *
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     * @return class|array as new route(s), class if one added, else array.
119
     */
120 10
    public function add($rule, $action = null)
121
    {
122 10
        return $this->any(null, $rule, $action);
123
    }
124
125
126
127
    /**
128
    * Add a default route which will be applied for any path.
129
     *
130
     * @param string|callable $action a callback handler for the route.
131
     *
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     * @return class as new route.
133
     */
134
    public function always($action)
135
    {
136
        return $this->any(null, null, $action);
0 ignored issues
show
Bug Compatibility introduced by
The expression $this->any(null, null, $action); of type Anax\Route\class|array adds the type array to the return on line 136 which is incompatible with the return type documented by Anax\Route\RouterInjectable::always of type Anax\Route\class.
Loading history...
137
    }
138
139
140
141
    /**
142
     * Add a default route which will be applied for any path, if the choosen
143
     * request method is matching.
144
     *
145
     * @param null|string|array    $method as request methods
146
     * @param null|string|callable $action a callback handler for the route.
147
     *
148
     * @return class|array as new route(s), class if one added, else array.
149
     */
150 1
    public function all($method, $action)
151
    {
152 1
        return $this->any($method, null, $action);
153
    }
154
155
156
157
    /**
158
     * Shortcut to add a GET route.
159
     *
160
     * @param null|string|array    $method as request methods
0 ignored issues
show
Bug introduced by
There is no parameter named $method. Was it maybe removed?

This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.

Consider the following example. The parameter $italy is not defined by the method finale(...).

/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}

The most likely cause is that the parameter was removed, but the annotation was not.

Loading history...
161
     * @param null|string|callable $action a callback handler for the route.
162
     *
163
     * @return class|array as new route(s), class if one added, else array.
164
     */
165 1
    public function get($rule, $action)
166
    {
167 1
        return $this->any(["GET"], $rule, $action);
168
    }
169
170
171
172
    /**
173
    * Shortcut to add a POST route.
174
     *
175
     * @param null|string|array    $method as request methods
0 ignored issues
show
Bug introduced by
There is no parameter named $method. Was it maybe removed?

This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.

Consider the following example. The parameter $italy is not defined by the method finale(...).

/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}

The most likely cause is that the parameter was removed, but the annotation was not.

Loading history...
176
     * @param null|string|callable $action a callback handler for the route.
177
     *
178
     * @return class|array as new route(s), class if one added, else array.
179
     */
180 1
    public function post($rule, $action)
181
    {
182 1
        return $this->any(["POST"], $rule, $action);
183
    }
184
185
186
187
    /**
188
    * Shortcut to add a PUT route.
189
     *
190
     * @param null|string|array    $method as request methods
0 ignored issues
show
Bug introduced by
There is no parameter named $method. Was it maybe removed?

This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.

Consider the following example. The parameter $italy is not defined by the method finale(...).

/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}

The most likely cause is that the parameter was removed, but the annotation was not.

Loading history...
191
     * @param null|string|callable $action a callback handler for the route.
192
     *
193
     * @return class|array as new route(s), class if one added, else array.
194
     */
195 1
    public function put($rule, $action)
196
    {
197 1
        return $this->any(["PUT"], $rule, $action);
198
    }
199
200
201
202
    /**
203
    * Shortcut to add a DELETE route.
204
     *
205
     * @param null|string|array    $method as request methods
0 ignored issues
show
Bug introduced by
There is no parameter named $method. Was it maybe removed?

This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.

Consider the following example. The parameter $italy is not defined by the method finale(...).

/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}

The most likely cause is that the parameter was removed, but the annotation was not.

Loading history...
206
     * @param null|string|callable $action a callback handler for the route.
207
     *
208
     * @return class|array as new route(s), class if one added, else array.
209
     */
210 1
    public function delete($rule, $action)
211
    {
212 1
        return $this->any(["DELETE"], $rule, $action);
213
    }
214
215
216
217
    /**
218
     * Add an internal route to the router, this route is not exposed to the
219
     * browser and the end user.
220
     *
221
     * @param string               $rule   for this route
222
     * @param null|string|callable $action a callback handler for the route.
223
     *
224
     * @return class|array as new route(s), class if one added, else array.
225
     */
226 3
    public function addInternal($rule, $action)
227
    {
228 3
        $route = new Route();
229 3
        $route->set($rule, $action);
230 3
        $this->internalRoutes[$rule] = $route;
231 3
        return $route;
232
    }
233
234
235
236
    /**
237
     * Get the route for the last route that was handled.
238
     *
239
     * @return mixed
240
     */
241
    public function getLastRoute()
242
    {
243
        return $this->lastRoute;
244
    }
245
246
247
248
    /**
249
     * Get all routes.
250
     *
251
     * @return array with all routes.
252
     */
253
    public function getAll()
254
    {
255
        return $this->routes;
256
    }
257
258
259
260
    /**
261
     * Get all internal routes.
262
     *
263
     * @return array with internal routes.
264
     */
265
    public function getInternal()
266
    {
267
        return $this->internalRoutes;
268
    }
269
}
270