ShortListController::determineAction() - Code Metrics - Inspection of "Refactored the perform action" - salted-herring/silverstripe-shortlist - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 9e3bb6...f0fd56 )

by Simon

created 2016-09-26 22:42 UTC

ShortListController::determineAction() A

↳ Parent: ShortListController

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	8
nc	3
nop	1

<?php

class ShortListController extends Page_Controller
{
    private static $allowed_actions = array(
        'renderList',
        'performAction'
    );

    private static $url_handlers = array(
        'add'       => 'performAction',
        'remove'    => 'performAction',
        '$URL!'     => 'renderList',
    );

    private static $extensions = array(
        'ShortListPaginationExtension'
    );

    public function init()
    {
        parent::init();

        Session::start();

        if ($this->request->getVar('page')) {
            $this->currentPage = $this->request->getVar('page');
        }
    }

    /**
     * When landing on the homepage, if there is a shortlist for the current
     * user, redirect to the correct URL. Otherwise, 404.
     * */
    public function index($request)
    {
        if (($shortlist = $this->getSessionShortList())) {
            return $this->redirect(Config::inst()->get('ShortList', 'URLSegment').$shortlist->URL);
        } else {

            $shortlist = $this->getSessionShortList();

            if (!$shortlist || !$shortlist->exists()) {
                $shortlist = new ShortList();
                $shortlist->write();
            }
        }

        // render with empty template.
        return $this->renderWith(array('Page', 'ShortList_empty'));
    }

    /**
     * Get the absolute URL of this controller.
     * */
    public function Link($action = null)
    {
        $shortlist = $this->getSessionShortList();
        $url = Config::inst()->get('ShortList', 'URLSegment');

        if ($shortlist) {
            $url .= $shortlist->URL;
        }

        return $url;
    }

    public function renderList($request)
    {
        $shortlist = DataObject::get_one('ShortList', $filter = array('URL' => $request->param('URL')));
        $link = false;
        $count = 0;

        if ($this->dontRender($shortlist, $request)) {
            return $this->httpError(404);
        }

        if ($shortlist && $shortlist->exists()) {
            $link = $shortlist->Link();
            $count = $shortlist->ShortListItems()->Count();
        }

        return $this->customise(array(
            'ShortlistURL' => $link,
            'ShortlistCount' => $count
        ))->renderWith(
            array('ShortList', 'Page')
        );
    }

    public function performAction($request)
    {
        if ($this->dontPerformAction($request)) {
            return $this->httpError(404);
        }

        $action = $this->determineAction($request->getURL());

        $status = $action->performAction(
            $shortlist = $this->getSessionShortList(),
            $ID = $request->getVar('id'),
            $type = $request->getVar('type'),
            $session = $request->getVar('s')
        );

        if ($request->isAjax()) {
            return $this->renderAjax($session);
        }

        if (array_key_exists('output', $request->getVars())) {
            return $status;
        }

        return $this->redirectBack();
    }


    /**
     * Get the number of items in the current short list.
     *
     * @param session The session to check & find a shortlist for.
     * @return mixed false if no session exists - else the number of items in the shortlist.
     * */
    public function shortListCount($session = false)
    {
        if ($this->isSessionValid($session)) {
            return false;
        }

        $shortlist = $this->getSessionShortList();

        if (!$shortlist || !$shortlist->exists()) {
            return 0;
        }

        return $shortlist->Items()->count();
    }

    public static function getShortListSession()
    {
        return DataObject::get_one('ShortList', $filter = array('SessionID' => self::getSecurityToken()));
    }

    /**
     * Get the token to use to add/remove from shortlist.
     * */
    public static function getSecurityToken()
    {
        return Utilities::getSecurityToken();
    }

    private function determineAction($url) {
        preg_match('/remove|add/', $url, $matches = array());


        switch ($matches[0]) {
            case 'remove':
                return new RemoveFromshortlistAction();
            case 'add':
                return new AddToshortlistAction();
        }

        return null;
    }

    /**
     * Return a valid shortlist - or null.
     * */
    private function getSessionShortList()
    {
        return DataObject::get_one('ShortList',
            $filter = array('SessionID' => self::getSecurityToken()),
            $cache = false
        );
    }

    /**
     * Return the json encoded count & url for the current session
     * */
    private function renderAjax($session)
    {
        $shortlist = $this->getSessionShortList();
        $url = false;

        if ($shortlist && $shortlist->exists()) {
            $url = $shortlist->Link();
        }

        return json_encode(array(
            'count' => $this->shortListCount($session),
            'url' => $url
        ));
    }

    /**
     * Don't render the template!
     * */
    private function dontRender($shortlist, $request)
    {
        return is_null(self::getSecurityToken()) || !$request->param('URL') || !$shortlist || !$shortlist->exists();
    }

    /**
     * Is this session valid?
     * */
    private function isSessionValid($session) {
        return is_null(self::getSecurityToken()) || !$session || $session != self::getSecurityToken();
    }

    /**
     * Don't perform an action.
     * */
    private function dontPerformAction($request)
    {
        return is_null(self::getSecurityToken()) || !$request->getVar('id') || !$request->getVar('type') ||
            !$request->getVar('s') || $request->getVar('s') != self::getSecurityToken();
    }
}


1			<?php
2
3			class ShortListController extends Page_Controller
4			{
5			private static $allowed_actions = array(
6			'renderList',
7			'performAction'
8			);
9
10			private static $url_handlers = array(
11			'add' => 'performAction',
12			'remove' => 'performAction',
13			'$URL!' => 'renderList',
14			);
15
16			private static $extensions = array(
17			'ShortListPaginationExtension'
18			);
19
20			public function init()
21			{
22			parent::init();
23
24			Session::start();
25
26			if ($this->request->getVar('page')) {
27			$this->currentPage = $this->request->getVar('page');
28			}
29			}
30
31			/**
32			* When landing on the homepage, if there is a shortlist for the current
33			* user, redirect to the correct URL. Otherwise, 404.
34			* */
35			public function index($request)
36			{
37			if (($shortlist = $this->getSessionShortList())) {
38			return $this->redirect(Config::inst()->get('ShortList', 'URLSegment').$shortlist->URL);
39			} else {
40
41			$shortlist = $this->getSessionShortList();
42
43			if (!$shortlist \|\| !$shortlist->exists()) {
44			$shortlist = new ShortList();
45			$shortlist->write();
46			}
47			}
48
49			// render with empty template.
50			return $this->renderWith(array('Page', 'ShortList_empty'));
51			}
52
53			/**
54			* Get the absolute URL of this controller.
55			* */
56			public function Link($action = null)
57			{
58			$shortlist = $this->getSessionShortList();
59			$url = Config::inst()->get('ShortList', 'URLSegment');
60
61			if ($shortlist) {
62			$url .= $shortlist->URL;
63			}
64
65			return $url;
66			}
67
68			public function renderList($request)
69			{
70			$shortlist = DataObject::get_one('ShortList', $filter = array('URL' => $request->param('URL')));
71			$link = false;
72			$count = 0;
73
74			if ($this->dontRender($shortlist, $request)) {
75			return $this->httpError(404);
76			}
77
78			if ($shortlist && $shortlist->exists()) {
79			$link = $shortlist->Link();
80			$count = $shortlist->ShortListItems()->Count();
81			}
82
83			return $this->customise(array(
84			'ShortlistURL' => $link,
85			'ShortlistCount' => $count
86			))->renderWith(
87			array('ShortList', 'Page')
88			);
89			}
90
91			public function performAction($request)
92			{
93			if ($this->dontPerformAction($request)) {
94			return $this->httpError(404);
95			}
96
97			$action = $this->determineAction($request->getURL());
98
99			$status = $action->performAction(
100			$shortlist = $this->getSessionShortList(),
101			$ID = $request->getVar('id'),
102			$type = $request->getVar('type'),
103			$session = $request->getVar('s')
104			);
105
106			if ($request->isAjax()) {
107			return $this->renderAjax($session);
108			}
109
110			if (array_key_exists('output', $request->getVars())) {
111			return $status;
112			}
113
114			return $this->redirectBack();
115			}
116
117
118			/**
119			* Get the number of items in the current short list.
120			*
121			* @param session The session to check & find a shortlist for.
122			* @return mixed false if no session exists - else the number of items in the shortlist.
123			* */
124			public function shortListCount($session = false)
125			{
126			if ($this->isSessionValid($session)) {
127			return false;
128			}
129
130			$shortlist = $this->getSessionShortList();
131
132			if (!$shortlist \|\| !$shortlist->exists()) {
133			return 0;
134			}
135
136			return $shortlist->Items()->count();
137			}
138
139			public static function getShortListSession()
140			{
141			return DataObject::get_one('ShortList', $filter = array('SessionID' => self::getSecurityToken()));
142			}
143
144			/**
145			* Get the token to use to add/remove from shortlist.
146			* */
147			public static function getSecurityToken()
148			{
149			return Utilities::getSecurityToken();
150			}
151
152			private function determineAction($url) {
153			preg_match('/remove\|add/', $url, $matches = array());
			0 ignored issues – show Bug introduced 2016-09-26 22:44 UTC by Report Bug Copy Issue Report `$matches = array()` cannot be passed to `preg_match()` as the parameter `$matches` expects a reference. Loading history...
154
155			switch ($matches[0]) {
156			case 'remove':
157			return new RemoveFromshortlistAction();
158			case 'add':
159			return new AddToshortlistAction();
160			}
161
162			return null;
163			}
164
165			/**
166			* Return a valid shortlist - or null.
167			* */
168			private function getSessionShortList()
169			{
170			return DataObject::get_one('ShortList',
171			$filter = array('SessionID' => self::getSecurityToken()),
172			$cache = false
173			);
174			}
175
176			/**
177			* Return the json encoded count & url for the current session
178			* */
179			private function renderAjax($session)
180			{
181			$shortlist = $this->getSessionShortList();
182			$url = false;
183
184			if ($shortlist && $shortlist->exists()) {
185			$url = $shortlist->Link();
186			}
187
188			return json_encode(array(
189			'count' => $this->shortListCount($session),
190			'url' => $url
191			));
192			}
193
194			/**
195			* Don't render the template!
196			* */
197			private function dontRender($shortlist, $request)
198			{
199			return is_null(self::getSecurityToken()) \|\| !$request->param('URL') \|\| !$shortlist \|\| !$shortlist->exists();
200			}
201
202			/**
203			* Is this session valid?
204			* */
205			private function isSessionValid($session) {
206			return is_null(self::getSecurityToken()) \|\| !$session \|\| $session != self::getSecurityToken();
207			}
208
209			/**
210			* Don't perform an action.
211			* */
212			private function dontPerformAction($request)
213			{
214			return is_null(self::getSecurityToken()) \|\| !$request->getVar('id') \|\| !$request->getVar('type') \|\|
215			!$request->getVar('s') \|\| $request->getVar('s') != self::getSecurityToken();
216			}
217			}
218

salted-herring / silverstripe-shortlist

Push — master ( 9e3bb6...f0fd56 )

ShortListController::determineAction() A

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