PresenceChannel::unsubscribe() - Code Metrics - Inspection of "[2.x] Major refactoring" - beyondcode/laravel-websockets - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#447)

by Alexandru

created 2020-09-18 18:01 UTC

PresenceChannel::unsubscribe() A

↳ Parent: PresenceChannel

Complexity

Conditions	3
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	41
rs	9.264
c	0
b	0
f	0
cc	3
nc	1
nop	1

<?php

namespace BeyondCode\LaravelWebSockets\Channels;

use BeyondCode\LaravelWebSockets\DashboardLogger;
use BeyondCode\LaravelWebSockets\Server\Exceptions\InvalidSignature;
use Ratchet\ConnectionInterface;
use stdClass;

class PresenceChannel extends PrivateChannel
{
    /**
     * Subscribe to the channel.
     *
     * @see    https://pusher.com/docs/pusher_protocol#presence-channel-events
     * @param  \Ratchet\ConnectionInterface  $connection
     * @param  \stdClass  $payload
     * @return void
     * @throws InvalidSignature
     */
    public function subscribe(ConnectionInterface $connection, stdClass $payload)
    {
        $this->verifySignature($connection, $payload);

        $this->saveConnection($connection);

        $this->channelManager->userJoinedPresenceChannel(
class MyClass { }

$x = new MyClass();
$x->foo = true;
            $connection,
            $user = json_decode($payload->channel_data),
            $this->getName(),
            $payload
        );

        $this->channelManager
            ->getChannelMembers($connection->app->id, $this->getName())
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
            ->then(function ($users) use ($connection) {
                $hash = [];

                foreach ($users as $socketId => $user) {
                    $hash[$user->user_id] = $user->user_info ?? [];
                }

                $connection->send(json_encode([
                    'event' => 'pusher_internal:subscription_succeeded',
                    'channel' => $this->getName(),
                    'data' => json_encode([
                        'presence' => [
                            'ids' => collect($users)->map(function ($user) {
                                return (string) $user->user_id;
                            })->values(),
                            'hash' => $hash,
                            'count' => count($users),
                        ],
                    ]),
                ]));
            });

        // The `pusher_internal:member_added` event is triggered when a user joins a channel.
        // It's quite possible that a user can have multiple connections to the same channel
        // (for example by having multiple browser tabs open)
        // and in this case the events will only be triggered when the first tab is opened.
        $this->channelManager
            ->getMemberSockets($user->user_id, $connection->app->id, $this->getName())
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
            ->then(function ($sockets) use ($payload, $connection) {
                if (count($sockets) === 1) {
                    $memberAddedPayload = [
                        'event' => 'pusher_internal:member_added',
                        'channel' => $this->getName(),
                        'data' => $payload->channel_data,
                    ];

                    $this->broadcastToEveryoneExcept(
                        (object) $memberAddedPayload, $connection->socketId,
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                        $connection->app->id
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                    );
                }

                DashboardLogger::log($connection->app->id, DashboardLogger::TYPE_SUBSCRIBED, [
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                    'socketId' => $connection->socketId,
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                    'channel' => $this->getName(),
                    'duplicate-connection' => count($sockets) > 1,
                ]);
            });
    }

    /**
     * Unsubscribe connection from the channel.
     *
     * @param  \Ratchet\ConnectionInterface  $connection
     * @return void
     */
    public function unsubscribe(ConnectionInterface $connection)
    {
        parent::unsubscribe($connection);

        $this->channelManager
            ->getChannelMember($connection, $this->getName())
            ->then(function ($user) use ($connection) {
                $user = @json_decode($user);

                if (! $user) {
                    return;
                }

                $this->channelManager->userLeftPresenceChannel(
                    $connection, $user, $this->getName()
                );

                // The `pusher_internal:member_removed` is triggered when a user leaves a channel.
                // It's quite possible that a user can have multiple connections to the same channel
                // (for example by having multiple browser tabs open)
                // and in this case the events will only be triggered when the last one is closed.
                $this->channelManager
                    ->getMemberSockets($user->user_id, $connection->app->id, $this->getName())
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                    ->then(function ($sockets) use ($connection, $user) {
                        if (count($sockets) === 0) {
                            $memberRemovedPayload = [
                                'event' => 'pusher_internal:member_removed',
                                'channel' => $this->getName(),
                                'data' => json_encode([
                                    'user_id' => $user->user_id,
                                ]),
                            ];

                            $this->broadcastToEveryoneExcept(
                                (object) $memberRemovedPayload, $connection->socketId,
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                                $connection->app->id
interface SomeInterface { }
class SomeClass implements SomeInterface {
    public $a;
}

function someFunction(SomeInterface $object) {
    if ($object instanceof SomeClass) {
        $a = $object->a;
    }
}
                            );
                        }
                    });
            });
    }
}


1			<?php
2
3			namespace BeyondCode\LaravelWebSockets\Channels;
4
5			use BeyondCode\LaravelWebSockets\DashboardLogger;
6			use BeyondCode\LaravelWebSockets\Server\Exceptions\InvalidSignature;
7			use Ratchet\ConnectionInterface;
8			use stdClass;
9
10			class PresenceChannel extends PrivateChannel
11			{
12			/**
13			* Subscribe to the channel.
14			*
15			* @see https://pusher.com/docs/pusher_protocol#presence-channel-events
16			* @param \Ratchet\ConnectionInterface $connection
17			* @param \stdClass $payload
18			* @return void
19			* @throws InvalidSignature
20			*/
21			public function subscribe(ConnectionInterface $connection, stdClass $payload)
22			{
23			$this->verifySignature($connection, $payload);
24
25			$this->saveConnection($connection);
26
27			$this->channelManager->userJoinedPresenceChannel(
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report The property `channelManager` does not exist. Did you maybe forget to declare it? In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code: class MyClass { } $x = new MyClass(); $x->foo = true; Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: class MyClass { public $foo; } $x = new MyClass(); $x->foo = true; Loading history...
28			$connection,
29			$user = json_decode($payload->channel_data),
30			$this->getName(),
31			$payload
32			);
33
34			$this->channelManager
35			->getChannelMembers($connection->app->id, $this->getName())
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
36			->then(function ($users) use ($connection) {
37			$hash = [];
38
39			foreach ($users as $socketId => $user) {
40			$hash[$user->user_id] = $user->user_info ?? [];
41			}
42
43			$connection->send(json_encode([
44			'event' => 'pusher_internal:subscription_succeeded',
45			'channel' => $this->getName(),
46			'data' => json_encode([
47			'presence' => [
48			'ids' => collect($users)->map(function ($user) {
49			return (string) $user->user_id;
50			})->values(),
51			'hash' => $hash,
52			'count' => count($users),
53			],
54			]),
55			]));
56			});
57
58			// The `pusher_internal:member_added` event is triggered when a user joins a channel.
59			// It's quite possible that a user can have multiple connections to the same channel
60			// (for example by having multiple browser tabs open)
61			// and in this case the events will only be triggered when the first tab is opened.
62			$this->channelManager
63			->getMemberSockets($user->user_id, $connection->app->id, $this->getName())
			0 ignored issues – show Bug introduced 2020-09-17 11:48 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
64			->then(function ($sockets) use ($payload, $connection) {
65			if (count($sockets) === 1) {
66			$memberAddedPayload = [
67			'event' => 'pusher_internal:member_added',
68			'channel' => $this->getName(),
69			'data' => $payload->channel_data,
70			];
71
72			$this->broadcastToEveryoneExcept(
73			(object) $memberAddedPayload, $connection->socketId,
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report Accessing `socketId` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
74			$connection->app->id
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
75			);
76			}
77
78			DashboardLogger::log($connection->app->id, DashboardLogger::TYPE_SUBSCRIBED, [
			0 ignored issues – show Bug introduced 2020-08-24 06:54 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
79			'socketId' => $connection->socketId,
			0 ignored issues – show Bug introduced 2018-12-04 21:28 UTC by Report Bug Copy Issue Report Accessing `socketId` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
80			'channel' => $this->getName(),
81			'duplicate-connection' => count($sockets) > 1,
82			]);
83			});
84			}
85
86			/**
87			* Unsubscribe connection from the channel.
88			*
89			* @param \Ratchet\ConnectionInterface $connection
90			* @return void
91			*/
92			public function unsubscribe(ConnectionInterface $connection)
93			{
94			parent::unsubscribe($connection);
95
96			$this->channelManager
97			->getChannelMember($connection, $this->getName())
98			->then(function ($user) use ($connection) {
99			$user = @json_decode($user);
100
101			if (! $user) {
102			return;
103			}
104
105			$this->channelManager->userLeftPresenceChannel(
106			$connection, $user, $this->getName()
107			);
108
109			// The `pusher_internal:member_removed` is triggered when a user leaves a channel.
110			// It's quite possible that a user can have multiple connections to the same channel
111			// (for example by having multiple browser tabs open)
112			// and in this case the events will only be triggered when the last one is closed.
113			$this->channelManager
114			->getMemberSockets($user->user_id, $connection->app->id, $this->getName())
			0 ignored issues – show Bug introduced 2020-09-17 11:48 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
115			->then(function ($sockets) use ($connection, $user) {
116			if (count($sockets) === 0) {
117			$memberRemovedPayload = [
118			'event' => 'pusher_internal:member_removed',
119			'channel' => $this->getName(),
120			'data' => json_encode([
121			'user_id' => $user->user_id,
122			]),
123			];
124
125			$this->broadcastToEveryoneExcept(
126			(object) $memberRemovedPayload, $connection->socketId,
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report Accessing `socketId` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
127			$connection->app->id
			0 ignored issues – show Bug introduced 2020-09-10 20:15 UTC by Report Bug Copy Issue Report Accessing `app` on the interface `Ratchet\ConnectionInterface` suggest that you code against a concrete implementation. How about adding an `instanceof` check? If you access a property on an interface, you most likely code against a concrete implementation of the interface. Available Fixes Adding an additional type check: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeInterface $object) { if ($object instanceof SomeClass) { $a = $object->a; } } Changing the type hint: interface SomeInterface { } class SomeClass implements SomeInterface { public $a; } function someFunction(SomeClass $object) { $a = $object->a; } Loading history...
128			);
129			}
130			});
131			});
132			}
133			}
134

beyondcode / laravel-websockets

Pull Request — master (#447)

PresenceChannel::unsubscribe() A

Complexity

Size

Duplication

Importance

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

Available Fixes

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