ViewCollection::hasContent() - Code Metrics - Inspection of "Adding default views to anax/v2." - canax/view - Measure and Improve Code Quality continuously with Scrutinizer

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by Mikael

created 2018-10-22 18:52 UTC

ViewCollection::hasContent() A

↳ Parent: ViewCollection

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
nc	1
nop	1
dl	0
loc	4
ccs	0
cts	2
cp	0
crap	2
rs	10
c	0
b	0
f	0

<?php

namespace Anax\View;

use Anax\Commons\ContainerInjectableInterface;
use Anax\Commons\ContainerInjectableTrait;

/**
 * A view collection supporting Anax DI, store all views per region,
 * render at will.
 */
class ViewCollection implements
    ContainerInjectableInterface
{
    use ContainerInjectableTrait;



    /**
     * @var array $views container for all views.
     */
    private $views = [];



    /**
     * @var array  $paths  where to look for template files.
     * @var string $suffix add to each template file name.
     */
    private $paths = [];
    private $suffix = ".php";



    /**
     * Set paths to search through when looking for template files.
     *
     * @param array $paths with directories to search through.
     *
     * @return self
     */
    public function setPaths(array $paths) : object
    {
        foreach ($paths as $path) {
            if (!(is_dir($path) && is_readable($path))) {
                throw new Exception("Directory '$path' is not readable.");
            }
        }
        $this->paths = $paths;
        return $this;
    }



    /**
     * Set suffix to add last to template file givven, as a filename extension.
     *
     * @param string $suffix to use as file extension.
     *
     * @return self
     */
    public function setSuffix(string $suffix) : object
    {
        $this->suffix = $suffix;
        return $this;
    }



    /**
     * Convert template to path to template file and check that it exists.
     *
     * @param string $template the name of the template file to include
     *
     * @throws Anax\View\Exception when template file is missing
     *
     * @return string as path to the template file
     */
    public function getTemplateFile($template)
    {
        $file = $template . $this->suffix;
        if (is_file($file)) {
            return $file;
        }

        foreach ($this->paths as $path) {
            $file = $path . "/" . $template . $this->suffix;
            if (is_file($file)) {
                return $file;
            }
        }

        throw new Exception("Could not find template file '$template'.");
    }



    /**
     * Add (create) a view to be included, pass optional data and put the
     * view in an optional specific region (default region is "main") and
     * pass an optional sort value where the highest value is rendered first.
     * The $template can be a:
     *  filename (string),
     *  callback (array with key callback set to a callable array),
     *  view array (key value array with template, data, region, sort)
     *
     * @param array|string  $template the name of the template file to include.
     * @param array         $data     variables to make available to the view,
     *                                default is empty.
     * @param string        $region   which region to attach the view, default
     *                                is "main".
     * @param integer       $sort     which order to display the views.
     *
     * @return self for chaining.
     */
    public function add(
        $template,
        array $data = [],
        string $region = "main",
        int $sort = 0
    ) : object
    {
        $view = new View();
        if (empty($template)) {
            $type = "empty";
        } elseif (is_string($template)) {
            $tpl = $this->getTemplateFile($template);
            $type = "file";
        } elseif (is_array($template)) {
            // Can be array with complete view or array with callable callback
            $tpl = $template;
            $type = "empty";
            $region = $tpl["region"] ?? $region;

            if (isset($tpl["callback"])) {
                $tpl["template"] = $template;
                $tpl["type"] = "callback";
            } elseif (isset($tpl["template"])) {
                if (!isset($tpl["type"]) || $tpl["type"] === "file") {
                    $tpl["type"] = "file";
                    $tpl["template"] = $this->getTemplateFile($tpl["template"]);
                }
            }
        }

        $view->set($tpl, $data, $sort, $type);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

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

    // $x is potentially undefined here.
    echo $x;
}
        $this->views[$region][] = $view;

        return $this;
    }



    /**
     * Add a callback to be rendered as a view.
     *
     * @param string $callback function to call to get the content of the view
     * @param array  $data     variables to make available to the view, default is empty
     * @param string $region   which region to attach the view
     * @param int    $sort     which order to display the views
     *
     * @return $this
     */
    public function addCallback($callback, $data = [], $region = "main", $sort = 0)

    {
        $view = new View();
        $view->set(["callback" => $callback], $data, $sort, "callback");
        $this->views[$region][] = $view;

        return $this;
    }



    /**
     * Add a string as a view.
     *
     * @param string $content the content
     * @param string $region  which region to attach the view
     * @param int    $sort    which order to display the views
     *
     * @return $this
     */
    public function addString($content, $region = "main", $sort = 0)

    {
        $view = new View();
        $view->set($content, [], $sort, "string");
        $this->views[$region][] = $view;
        
        return $this;
    }



    /**
     * Check if a region has views to render.
     *
     * @param string $region which region to check
     *
     * @return $this
     */
    public function hasContent($region)
    {
        return isset($this->views[$region]);
    }



    /**
     * Render all views for a specific region.
     *
     * @param string $region which region to use
     *
     * @return void
     */
    public function render($region = "main")
    {
        if (!isset($this->views[$region])) {
            return $this;
        }

        mergesort($this->views[$region], function ($viewA, $viewB) {
            $sortA = $viewA->sortOrder();
            $sortB = $viewB->sortOrder();

            if ($sortA == $sortB) {
                return 0;
            }

            return $sortA < $sortB ? -1 : 1;
        });

        foreach ($this->views[$region] as $view) {
            $view->render($this->di);
        }
    }


    /**
     * Render all views for a specific region and buffer the result.
     *
     * @param string $region which region to use.
     *
     * @return string with the buffered results.
     */
    public function renderBuffered($region = "main")
    {
        ob_start();
        $this->render($region);
        $res = ob_get_contents();
        ob_end_clean();
        return $res;
    }
}


Push — master ( e49144...74d39d )

ViewCollection::hasContent() A

Complexity

Size

Duplication

Code Coverage

Importance

Available Fixes

Available Fixes

1			<?php
2
3			namespace Anax\View;
4
5			use Anax\Commons\ContainerInjectableInterface;
6			use Anax\Commons\ContainerInjectableTrait;
7
8			/**
9			* A view collection supporting Anax DI, store all views per region,
10			* render at will.
11			*/
12			class ViewCollection implements
13			ContainerInjectableInterface
14			{
15			use ContainerInjectableTrait;
16
17
18
19			/**
20			* @var array $views container for all views.
21			*/
22			private $views = [];
23
24
25
26			/**
27			* @var array $paths where to look for template files.
28			* @var string $suffix add to each template file name.
29			*/
30			private $paths = [];
31			private $suffix = ".php";
32
33
34
35			/**
36			* Set paths to search through when looking for template files.
37			*
38			* @param array $paths with directories to search through.
39			*
40			* @return self
41			*/
42	1		public function setPaths(array $paths) : object
43			{
44	1		foreach ($paths as $path) {
45	1		if (!(is_dir($path) && is_readable($path))) {
46	1		throw new Exception("Directory '$path' is not readable.");
47			}
48			}
49	1		$this->paths = $paths;
50	1		return $this;
51			}
52
53
54
55			/**
56			* Set suffix to add last to template file givven, as a filename extension.
57			*
58			* @param string $suffix to use as file extension.
59			*
60			* @return self
61			*/
62	1		public function setSuffix(string $suffix) : object
63			{
64	1		$this->suffix = $suffix;
65	1		return $this;
66			}
67
68
69
70			/**
71			* Convert template to path to template file and check that it exists.
72			*
73			* @param string $template the name of the template file to include
74			*
75			* @throws Anax\View\Exception when template file is missing
76			*
77			* @return string as path to the template file
78			*/
79			public function getTemplateFile($template)
80			{
81			$file = $template . $this->suffix;
82			if (is_file($file)) {
83			return $file;
84			}
85
86			foreach ($this->paths as $path) {
87			$file = $path . "/" . $template . $this->suffix;
88			if (is_file($file)) {
89			return $file;
90			}
91			}
92
93			throw new Exception("Could not find template file '$template'.");
94			}
95
96
97
98			/**
99			* Add (create) a view to be included, pass optional data and put the
100			* view in an optional specific region (default region is "main") and
101			* pass an optional sort value where the highest value is rendered first.
102			* The $template can be a:
103			* filename (string),
104			* callback (array with key callback set to a callable array),
105			* view array (key value array with template, data, region, sort)
106			*
107			* @param array\|string $template the name of the template file to include.
108			* @param array $data variables to make available to the view,
109			* default is empty.
110			* @param string $region which region to attach the view, default
111			* is "main".
112			* @param integer $sort which order to display the views.
113			*
114			* @return self for chaining.
115			*/
116			public function add(
117			$template,
118			array $data = [],
119			string $region = "main",
120			int $sort = 0
121			) : object
122			{
123			$view = new View();
124			if (empty($template)) {
125			$type = "empty";
126			} elseif (is_string($template)) {
127			$tpl = $this->getTemplateFile($template);
128			$type = "file";
129			} elseif (is_array($template)) {
130			// Can be array with complete view or array with callable callback
131			$tpl = $template;
132			$type = "empty";
133			$region = $tpl["region"] ?? $region;
134
135			if (isset($tpl["callback"])) {
136			$tpl["template"] = $template;
137			$tpl["type"] = "callback";
138			} elseif (isset($tpl["template"])) {
139			if (!isset($tpl["type"]) \|\| $tpl["type"] === "file") {
140			$tpl["type"] = "file";
141			$tpl["template"] = $this->getTemplateFile($tpl["template"]);
142			}
143			}
144			}
145
146			$view->set($tpl, $data, $sort, $type);
			0 ignored issues – show Bug introduced 2017-03-09 10:39 UTC by Report Bug Copy Issue Report The variable `$tpl` 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 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 $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history... Bug introduced 2017-03-09 10:39 UTC by Report Bug Copy Issue Report The variable `$type` 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 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 $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($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...
147			$this->views[$region][] = $view;
148
149			return $this;
150			}
151
152
153
154			/**
155			* Add a callback to be rendered as a view.
156			*
157			* @param string $callback function to call to get the content of the view
158			* @param array $data variables to make available to the view, default is empty
159			* @param string $region which region to attach the view
160			* @param int $sort which order to display the views
161			*
162			* @return $this
163			*/
164		View Code Duplication	public function addCallback($callback, $data = [], $region = "main", $sort = 0)
			0 ignored issues – show Duplication introduced 2017-08-10 15:22 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
165			{
166			$view = new View();
167			$view->set(["callback" => $callback], $data, $sort, "callback");
168			$this->views[$region][] = $view;
169
170			return $this;
171			}
172
173
174
175			/**
176			* Add a string as a view.
177			*
178			* @param string $content the content
179			* @param string $region which region to attach the view
180			* @param int $sort which order to display the views
181			*
182			* @return $this
183			*/
184		View Code Duplication	public function addString($content, $region = "main", $sort = 0)
			0 ignored issues – show Duplication introduced 2017-08-10 15:22 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
185			{
186			$view = new View();
187			$view->set($content, [], $sort, "string");
188			$this->views[$region][] = $view;
189
190			return $this;
191			}
192
193
194
195			/**
196			* Check if a region has views to render.
197			*
198			* @param string $region which region to check
199			*
200			* @return $this
201			*/
202			public function hasContent($region)
203			{
204			return isset($this->views[$region]);
205			}
206
207
208
209			/**
210			* Render all views for a specific region.
211			*
212			* @param string $region which region to use
213			*
214			* @return void
215			*/
216			public function render($region = "main")
217			{
218			if (!isset($this->views[$region])) {
219			return $this;
220			}
221
222			mergesort($this->views[$region], function ($viewA, $viewB) {
223			$sortA = $viewA->sortOrder();
224			$sortB = $viewB->sortOrder();
225
226			if ($sortA == $sortB) {
227			return 0;
228			}
229
230			return $sortA < $sortB ? -1 : 1;
231			});
232
233			foreach ($this->views[$region] as $view) {
234			$view->render($this->di);
235			}
236			}
237
238
239			/**
240			* Render all views for a specific region and buffer the result.
241			*
242			* @param string $region which region to use.
243			*
244			* @return string with the buffered results.
245			*/
246			public function renderBuffered($region = "main")
247			{
248			ob_start();
249			$this->render($region);
250			$res = ob_get_contents();
251			ob_end_clean();
252			return $res;
253			}
254			}
255

canax / view

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ViewCollection::hasContent() A

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