Argument::__construct() - Code Metrics - Inspection of "Let validator throw directly" - CharlotteDunois/Livia - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( e730bc...7f6736 )

by Charlotte

created 2019-01-01 12:27 UTC

Argument::__construct() B

↳ Parent: Argument

Complexity

Conditions	10
Paths	18

Size

Total Lines	36
Code Lines	29

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	10
eloc	29
nc	18
nop	2
dl	0
loc	36
rs	7.6666
c	0
b	0
f	0

How to fix Complexity

<?php
/**
 * Livia
 * Copyright 2017-2018 Charlotte Dunois, All Rights Reserved
 *
 * Website: https://charuru.moe
 * License: https://github.com/CharlotteDunois/Livia/blob/master/LICENSE
*/

namespace CharlotteDunois\Livia\Arguments;

/**
 * A fancy argument.
 *
 * @property \CharlotteDunois\Livia\LiviaClient               $client        The client which initiated the instance.
 * @property string                                           $key           Key for the argument.
 * @property string                                           $label         Label for the argument.
 * @property string                                           $prompt        Question prompt for the argument.
 * @property string|null                                      $typeID        Type name of the argument.
 * @property int|float|null                                   $max           If type is integer or float, this is the maximum value of the number. If type is string, this is the maximum length of the string.
 * @property int|float|null                                   $min           If type is integer or float, this is the minimum value of the number. If type is string, this is the minimum length of the string.
 * @property mixed|null                                       $default       The default value for the argument.
 * @property bool                                             $infinite      Whether the argument accepts an infinite number of values.
 * @property callable|null                                    $validate      Validator function for validating a value for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::validate})
 * @property callable|null                                    $parse         Parser function to parse a value for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::parse})
 * @property callable|null                                    $emptyChecker  Empty checker function for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::isEmpty})
 * @property int                                              $wait          How long to wait for input (in seconds).
 *
 * @property \CharlotteDunois\Livia\Types\ArgumentType|null   $type          Type of the argument.
 */
class Argument implements \Serializable {
    /**
     * The client which initiated the instance.
     * @var \CharlotteDunois\Livia\LiviaClient
     */
    protected $client;
    
    /**
     * Key for the argument.
     * @var string
     */
    protected $key;
    
    /**
     * Label for the argument.
     * @var string
     */
    protected $label;
    
    /**
     * Question prompt for the argument.
     * @var string
     */
    protected $prompt;
    
    /**
     * If type is integer or float, this is the maximum value of the number. If type is string, this is the maximum length of the string.
     * @var int|float|null
     */
    protected $max;
    
    /**
     * If type is integer or float, this is the minimum value of the number. If type is string, this is the minimum length of the string.
     * @var int|float|null
     */
    protected $min;
    
    /**
     * The default value for the argument.
     * @var mixed|null
     */
    protected $default;
    
    /**
     * Whether the argument accepts an infinite number of values.
     * @var bool
     */
    protected $infinite;
    
    /**
     * Validator function for validating a value for the argument.
     * @var callable|null
     */
    protected $validate;
    
    /**
     * Parser function to parse a value for the argument.
     * @var callable|null
     */
    protected $parse;
    
    /**
     * Empty checker function for the argument.
     * @var callable|null
     */
    protected $emptyChecker;
    
    /**
     * How long to wait for input (in seconds).
     * @var int
     */
    protected $wait;
    
    /**
     * Type name of the argument.
     * @var string|null
     */
    protected $typeID;
    
    /**
     * Constructs a new Argument. Info is an array as following:
     *
     * ```
     * array(
     *   'key' => string, (Key for the argument)
     *   'label' => string, (Label for the argument, defaults to key)
     *   'prompt' => string, (First prompt for the argument when it wasn't specified)
     *   'type' => string|null, (Type of the argument, must be the ID of one of the registered argument types)
     *   'max' => int|float, (If type is integer or float this is the maximum value, if type is string this is the maximum length, optional)
     *   'min' => int|float, (If type is integer or float this is the minimum value, if type is string this is the minimum length, optional)
     *   'default' => mixed, (Default value for the argumen, must not be null, optional)
     *   'infinite' => bool, (Infinite argument collecting, defaults to false)
     *   'validate' => callable, (Validator function for the argument, optional)
     *   'parse' => callable, (Parser function for the argument, optional)
     *   'emptyChecker' => callable, (Empty checker function for the argument, optional)
     *   'wait' => int (how long to wait for input, in seconds)
     * )
     * ```
     *
     * @param \CharlotteDunois\Livia\LiviaClient    $client
     * @param array                                 $info
     * @throws \InvalidArgumentException
     */
    function __construct(\CharlotteDunois\Livia\LiviaClient $client, array $info) {
        $this->client = $client;
        
        \CharlotteDunois\Validation\Validator::make($info, array(
            'key' => 'required|string|min:1',
            'prompt' => 'required|string|min:1',
            'type' => 'string|min:1|nullable',
            'max' => 'integer|float',
            'min' => 'integer|float',
            'infinite' => 'boolean',
            'validate' => 'callable',
            'parse' => 'callable',
            'emptyChecker' => 'callable',
            'wait' => 'integer|min:1'
        ))->throw(\InvalidArgumentException::class);
        
        if(empty($info['type']) && (empty($info['validate']) || empty($info['parse']))) {
            throw new \InvalidArgumentException('Argument type can\'t be empty if you don\'t implement validate and parse function');
        }
        
        if(!empty($info['type']) && !$this->client->registry->types->has($info['type'])) {
            throw new \InvalidArgumentException('Argument type "'.$info['type'].'" is not registered');
        }
        
        $this->key = $info['key'];
        $this->label = (!empty($info['label']) ? $info['label'] : $info['key']);
        $this->prompt = $info['prompt'];
        $this->typeID = $info['type'] ?? null;
        $this->max = $info['max'] ?? null;
        $this->min = $info['min'] ?? null;
        $this->default = $info['default'] ?? null;
        $this->infinite = (!empty($info['infinite']));
        $this->validate = (!empty($info['validate']) ? $info['validate'] : null);
        $this->parse = (!empty($info['parse']) ? $info['parse'] : null);;
        $this->emptyChecker = (!empty($info['emptyChecker']) ? $info['emptyChecker'] : null);
        $this->wait = $info['wait'] ?? 30;
    }
    
    /**
     * @param string  $name
     * @return bool
     * @throws \Exception
     * @internal
     */
    function __isset($name) {
        try {
            return $this->$name !== null;
        } catch (\RuntimeException $e) {
            if($e->getTrace()[0]['function'] === '__get') {
                return false;
            }
            
            throw $e;
        }
    }
    
    /**
     * @param string  $name
     * @return mixed
     * @throws \RuntimeException
     * @internal
     */
    function __get($name) {
        if(\property_exists($this, $name)) {
            return $this->$name;
        }
        
        switch($name) {
            case 'type':
                return $this->client->registry->types->get($this->typeID);
            break;
        }
        
        throw new \RuntimeException('Unknown property '.\get_class($this).'::$'.$name);
    }
    
    /**
     * @return mixed
     * @throws \RuntimeException
     * @internal
     */
    function __call($name, $args) {
        if(\property_exists($this, $name)) {
            $callable = $this->$name;
            if(\is_callable($callable)) {
                return $callable(...$args);
            }
        }
        
        throw new \RuntimeException('Unknown method '.\get_class($this).'::'.$name);
    }
    
    /**
     * @return string
     * @internal
     */
    function serialize() {
        $vars = \get_object_vars($this);
        
        unset($vars['client'], $vars['validate'], $vars['parse'], $vars['emptyChecker']);
        
        return \serialize($vars);
    }
    
    /**
     * @return void
     * @internal
     */
    function unserialize($vars) {
        if(\CharlotteDunois\Yasmin\Models\ClientBase::$serializeClient === null) {
            throw new \Exception('Unable to unserialize a class without ClientBase::$serializeClient being set');
        }
        
        $vars = \unserialize($vars);
        
        foreach($vars as $name => $val) {
            $this->$name = $val;
        }
        
        $this->client = \CharlotteDunois\Yasmin\Models\ClientBase::$serializeClient;
    }
    
    /**
     * Prompts the user and obtains the value for the argument. Resolves with an array of ('value' => mixed, 'cancelled' => string|null, 'prompts' => Message[], 'answers' => Message[]). Cancelled can be one of user, time and promptLimit.
     * @param \CharlotteDunois\Livia\CommandMessage         $message  Message that triggered the command.
     * @param string|string[]                               $value    Pre-provided value(s).
     * @param \CharlotteDunois\Livia\Arguments\ArgumentBag  $bag      The argument bag.
     * @param bool|string|null                              $valid    Whether the last retrieved value was valid.
     * @return \React\Promise\ExtendedPromiseInterface
     */
    function obtain(\CharlotteDunois\Livia\CommandMessage $message, $value, \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, $valid = null) {
        return (new \React\Promise\Promise(function (callable $resolve, callable $reject) use ($message, $value, $bag, $valid) {
            $empty = ($this->emptyChecker !== null ? $this->emptyChecker($value, $message, $this) : ($this->type !== null ? $this->type->isEmpty($value, $message, $this) : $value === null));
            if($empty && $this->default !== null) {
                $bag->values[] = $this->default;
                return $resolve($bag->done());
            }
            
            if($this->infinite) {
                if(!$empty && $value !== null) {
                    $this->parseInfiniteProvided($message, (\is_array($value) ? $value : array($value)), $bag)->done($resolve, $reject);
                    return;
                }
                
                $this->obtainInfinite($message, array(), $bag)->done($resolve, $reject);
                return;
            }
            
            if(!$empty && $valid === null) {
                $value = \trim($value);
                $validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
                if(!($validate instanceof \React\Promise\PromiseInterface)) {
                    $validate = \React\Promise\resolve($validate);
                }
                
                return $validate->then(function ($valid) use ($message, $value, $bag) {
                    if($valid !== true) {
                        return $this->obtain($message, $value, $bag, $valid);
                    }
                    
                    $parse = ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
                    if(!($parse instanceof \React\Promise\PromiseInterface)) {
                        $parse = \React\Promise\resolve($parse);
                    }
                    
                    return $parse->then(function ($value) use ($bag) {
                        $bag->values[] = $value;
                        return $bag->done();
                    });
                })->done($resolve, $reject);
            }
            
            if(\count($bag->prompts) > $bag->promptLimit) {
                $bag->cancelled = 'promptLimit';
                return $bag->done();
            }
            
            if($empty && $value === null) {
                $reply = $message->reply($this->prompt.\PHP_EOL.
                    'Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
            } elseif($valid === false) {
                $reply = $message->reply('You provided an invalid '.$this->label.'.'.\PHP_EOL.
                    'Please try again. Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
            } elseif(\is_string($valid)) {
                $reply = $message->reply($valid.\PHP_EOL.
                    'Please try again. Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
            } else {
                $reply = \React\Promise\resolve(null);
            }
            
            // Prompt the user for a new value
            $reply->done(function ($msg) use ($message, $bag, $resolve, $reject) {
                if($msg !== null) {
                    $bag->prompts[] = $msg;
                }
                
                // Get the user's response
                $message->message->channel->collectMessages(function ($msg) use ($message) {
                    return ($msg->author->id === $message->message->author->id);
                }, array(
                    'max' => 1,
                    'time' => $this->wait
                ))->then(function ($messages) use ($message, $bag) {
                    if($messages->count() === 0) {
                        $bag->cancelled = 'time';
                        return $bag->done();
                    }
                    
                    $msg = $messages->first();
                    $bag->answers[] = $msg;
                    
                    $value = $msg->content;
                    
                    if(\mb_strtolower($value) === 'cancel') {
                        $bag->cancelled = 'user';
                        return $bag->done();
                    }
                    
                    $validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
                    if(!($validate instanceof \React\Promise\PromiseInterface)) {
                        $validate = \React\Promise\resolve($validate);
                    }
                    
                    return $validate->then(function ($valid) use ($message, $value, $bag) {
                        if($valid !== true) {
                            return $this->obtain($message, $value, $bag, $valid);
                        }
                        
                        $parse = ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
                        if(!($parse instanceof \React\Promise\PromiseInterface)) {
                            $parse = \React\Promise\resolve($parse);
                        }
                        
                        return $parse->then(function ($value) use ($bag) {
                            $bag->values[] = $value;
                            return $bag->done();
                        });
                    });
                }, function ($error) use ($bag) {
                    if($error instanceof \RangeException) {
                        $bag->cancelled = 'time';
                        return $bag->done();
                    }
                    
                    throw $error;
                })->done($resolve, $reject);
            }, $reject);
        }));
    }
    
    /**
     * Prompts the user infinitely and obtains the values for the argument. Resolves with an array of ('values' => mixed, 'cancelled' => string|null, 'prompts' => Message[], 'answers' => Message[]). Cancelled can be one of user, time and promptLimit.
     * @param \CharlotteDunois\Livia\CommandMessage         $message      Message that triggered the command.
     * @param string[]                                      $values       Pre-provided values.
     * @param \CharlotteDunois\Livia\Arguments\ArgumentBag  $bag          The argument bag.
     * @param bool|string|null                              $valid        Whether the last retrieved value was valid.
     * @return \React\Promise\ExtendedPromiseInterface
     */
    protected function obtainInfinite(\CharlotteDunois\Livia\CommandMessage $message, array $values = array(), \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, bool $valid = null) {
        $value = null;
        if(!empty($values)) {
            $value = \array_shift($values);
        }
        
        return $this->infiniteObtain($message, $value, $bag, $valid)->then(function ($value) use ($message, &$values, $bag) {
            if($value instanceof \CharlotteDunois\Livia\Arguments\ArgumentBag && $value->done) {
                return $value;
            }
            
            $bag->values[] = $value;
            return $this->obtainInfinite($message, $values, $bag);
        });
    }
    
    /**
     * @return \React\Promise\ExtendedPromiseInterface
     */
    protected function infiniteObtain(\CharlotteDunois\Livia\CommandMessage $message, $value, \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, $valid = null) {
        if($value === null) {
            $reply = $message->reply($this->prompt.\PHP_EOL.
                'Respond with `cancel` to cancel the command, or `finish` to finish entry up to this point.'.\PHP_EOL.
                'The command will automatically be cancelled in '.$this->wait.' seconds.');
        } elseif($valid === false) {
            $escaped = \str_replace('@', "@\u{200B}", \CharlotteDunois\Yasmin\Utils\MessageHelpers::escapeMarkdown($value));
            
            $reply = $message->reply('You provided an invalid '.$this->label.', "'.(\mb_strlen($escaped) < 1850 ? $escaped : '[too long to show]').'". '.
                                        'Please try again.');
        } elseif(\is_string($valid)) {
            $reply = $message->reply($valid.\PHP_EOL.
                'Respond with `cancel` to cancel the command, or `finish` to finish entry up to this point.'.\PHP_EOL.
                'The command will automatically be cancelled in '.$this->wait.' seconds.');
        } else {
            $reply = \React\Promise\resolve(null);
        }
        
        return $reply->then(function ($msg) use ($message, $bag) {
            if($msg !== null) {
                $bag->prompts[] = $msg;
            }
            
            if(\count($bag->prompts) > $bag->promptLimit) {
                $bag->cancelled = 'promptLimit';
                return $bag->done();
            }
            
            // Get the user's response
            return $message->message->channel->collectMessages(function ($msg) use ($message) {
                return ($msg->author->id === $message->message->author->id);
            }, array(
                'max' => 1,
                'time' => $this->wait
            ))->then(function ($messages) use ($message, $bag) {
                if($messages->count() === 0) {
                    $bag->cancelled = 'time';
                    return $bag->done();
                }
                
                $msg = $messages->first();
                $bag->answers[] = $msg;
                
                $value = $msg->content;
                
                if(\mb_strtolower($value) === 'finish') {
                    $bag->cancelled = (\count($bag->values) > 0 ? null : 'user');
                    return $bag->done();
                } elseif(\mb_strtolower($value) === 'cancel') {
                    $bag->cancelled = 'user';
                    return $bag->done();
                }
                
                $validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
                if(!($validate instanceof \React\Promise\PromiseInterface)) {
                    $validate = \React\Promise\resolve($validate);
                }
                
                return $validate->then(function ($valid) use ($message, $value, $bag) {
                    if($valid !== true) {
                        return $this->infiniteObtain($message, $value, $bag, $valid);
                    }
                    
                    return ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
                });
            }, function ($error) use ($bag) {
                if($error instanceof \RangeException) {
                    $bag->cancelled = 'time';
                    return $bag->done();
                }
                
                throw $error;
            });
        });
    }
    
    /**
     * Parses the provided infinite arguments.
     * @param \CharlotteDunois\Livia\CommandMessage         $message      Message that triggered the command.
     * @param string[]                                      $values       Pre-provided values.
     * @param \CharlotteDunois\Livia\Arguments\ArgumentBag  $bag          The argument bag.
     * @param int                                           $i            Current index of current argument value.
     * @return \React\Promise\ExtendedPromiseInterface
     */
    protected function parseInfiniteProvided(\CharlotteDunois\Livia\CommandMessage $message, array $values = array(), \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, int $i = 0) {
        if(empty($values)) {
            return $this->obtainInfinite($message, array(), $bag);
        }
        
        return (new \React\Promise\Promise(function (callable $resolve, callable $reject) use ($message, &$values, $bag, $i) {
            $value = $values[$i];
            $val = null;
            
            $validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
            if(!($validate instanceof \React\Promise\PromiseInterface)) {
                $validate = \React\Promise\resolve($validate);
            }
            
            return $validate->then(function ($valid) use ($message, $value, $bag, &$val) {
                if($valid !== true) {
                    $val = $valid;
                    return $this->obtainInfinite($message, array($value), $bag, $val);
                }
                
                return ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
            })->then(function ($value) use ($message, &$values, $bag, $i, &$val) {
                if($val !== null) {
                    return $value;
                }
                
                $bag->values[] = $value;
                $i++;
                
                if($i < \count($values)) {
                    return $this->parseInfiniteProvided($message, $values, $bag, $i);
                }
                
                return $bag->done();
            })->done($resolve, $reject);
        }));
    }
}


1			<?php
2			/**
3			* Livia
4			* Copyright 2017-2018 Charlotte Dunois, All Rights Reserved
5			*
6			* Website: https://charuru.moe
7			* License: https://github.com/CharlotteDunois/Livia/blob/master/LICENSE
8			*/
9
10			namespace CharlotteDunois\Livia\Arguments;
11
12			/**
13			* A fancy argument.
14			*
15			* @property \CharlotteDunois\Livia\LiviaClient $client The client which initiated the instance.
16			* @property string $key Key for the argument.
17			* @property string $label Label for the argument.
18			* @property string $prompt Question prompt for the argument.
19			* @property string\|null $typeID Type name of the argument.
20			* @property int\|float\|null $max If type is integer or float, this is the maximum value of the number. If type is string, this is the maximum length of the string.
21			* @property int\|float\|null $min If type is integer or float, this is the minimum value of the number. If type is string, this is the minimum length of the string.
22			* @property mixed\|null $default The default value for the argument.
23			* @property bool $infinite Whether the argument accepts an infinite number of values.
24			* @property callable\|null $validate Validator function for validating a value for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::validate})
25			* @property callable\|null $parse Parser function to parse a value for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::parse})
26			* @property callable\|null $emptyChecker Empty checker function for the argument. ({@see \CharlotteDunois\Livia\Types\ArgumentType::isEmpty})
27			* @property int $wait How long to wait for input (in seconds).
28			*
29			* @property \CharlotteDunois\Livia\Types\ArgumentType\|null $type Type of the argument.
30			*/
31			class Argument implements \Serializable {
32			/**
33			* The client which initiated the instance.
34			* @var \CharlotteDunois\Livia\LiviaClient
35			*/
36			protected $client;
37
38			/**
39			* Key for the argument.
40			* @var string
41			*/
42			protected $key;
43
44			/**
45			* Label for the argument.
46			* @var string
47			*/
48			protected $label;
49
50			/**
51			* Question prompt for the argument.
52			* @var string
53			*/
54			protected $prompt;
55
56			/**
57			* If type is integer or float, this is the maximum value of the number. If type is string, this is the maximum length of the string.
58			* @var int\|float\|null
59			*/
60			protected $max;
61
62			/**
63			* If type is integer or float, this is the minimum value of the number. If type is string, this is the minimum length of the string.
64			* @var int\|float\|null
65			*/
66			protected $min;
67
68			/**
69			* The default value for the argument.
70			* @var mixed\|null
71			*/
72			protected $default;
73
74			/**
75			* Whether the argument accepts an infinite number of values.
76			* @var bool
77			*/
78			protected $infinite;
79
80			/**
81			* Validator function for validating a value for the argument.
82			* @var callable\|null
83			*/
84			protected $validate;
85
86			/**
87			* Parser function to parse a value for the argument.
88			* @var callable\|null
89			*/
90			protected $parse;
91
92			/**
93			* Empty checker function for the argument.
94			* @var callable\|null
95			*/
96			protected $emptyChecker;
97
98			/**
99			* How long to wait for input (in seconds).
100			* @var int
101			*/
102			protected $wait;
103
104			/**
105			* Type name of the argument.
106			* @var string\|null
107			*/
108			protected $typeID;
109
110			/**
111			* Constructs a new Argument. Info is an array as following:
112			*
113			* ```
114			* array(
115			* 'key' => string, (Key for the argument)
116			* 'label' => string, (Label for the argument, defaults to key)
117			* 'prompt' => string, (First prompt for the argument when it wasn't specified)
118			* 'type' => string\|null, (Type of the argument, must be the ID of one of the registered argument types)
119			* 'max' => int\|float, (If type is integer or float this is the maximum value, if type is string this is the maximum length, optional)
120			* 'min' => int\|float, (If type is integer or float this is the minimum value, if type is string this is the minimum length, optional)
121			* 'default' => mixed, (Default value for the argumen, must not be null, optional)
122			* 'infinite' => bool, (Infinite argument collecting, defaults to false)
123			* 'validate' => callable, (Validator function for the argument, optional)
124			* 'parse' => callable, (Parser function for the argument, optional)
125			* 'emptyChecker' => callable, (Empty checker function for the argument, optional)
126			* 'wait' => int (how long to wait for input, in seconds)
127			* )
128			* ```
129			*
130			* @param \CharlotteDunois\Livia\LiviaClient $client
131			* @param array $info
132			* @throws \InvalidArgumentException
133			*/
134			function __construct(\CharlotteDunois\Livia\LiviaClient $client, array $info) {
135			$this->client = $client;
136
137			\CharlotteDunois\Validation\Validator::make($info, array(
138			'key' => 'required\|string\|min:1',
139			'prompt' => 'required\|string\|min:1',
140			'type' => 'string\|min:1\|nullable',
141			'max' => 'integer\|float',
142			'min' => 'integer\|float',
143			'infinite' => 'boolean',
144			'validate' => 'callable',
145			'parse' => 'callable',
146			'emptyChecker' => 'callable',
147			'wait' => 'integer\|min:1'
148			))->throw(\InvalidArgumentException::class);
149
150			if(empty($info['type']) && (empty($info['validate']) \|\| empty($info['parse']))) {
151			throw new \InvalidArgumentException('Argument type can\'t be empty if you don\'t implement validate and parse function');
152			}
153
154			if(!empty($info['type']) && !$this->client->registry->types->has($info['type'])) {
155			throw new \InvalidArgumentException('Argument type "'.$info['type'].'" is not registered');
156			}
157
158			$this->key = $info['key'];
159			$this->label = (!empty($info['label']) ? $info['label'] : $info['key']);
160			$this->prompt = $info['prompt'];
161			$this->typeID = $info['type'] ?? null;
162			$this->max = $info['max'] ?? null;
163			$this->min = $info['min'] ?? null;
164			$this->default = $info['default'] ?? null;
165			$this->infinite = (!empty($info['infinite']));
166			$this->validate = (!empty($info['validate']) ? $info['validate'] : null);
167			$this->parse = (!empty($info['parse']) ? $info['parse'] : null);;
168			$this->emptyChecker = (!empty($info['emptyChecker']) ? $info['emptyChecker'] : null);
169			$this->wait = $info['wait'] ?? 30;
170			}
171
172			/**
173			* @param string $name
174			* @return bool
175			* @throws \Exception
176			* @internal
177			*/
178			function __isset($name) {
179			try {
180			return $this->$name !== null;
181			} catch (\RuntimeException $e) {
182			if($e->getTrace()[0]['function'] === '__get') {
183			return false;
184			}
185
186			throw $e;
187			}
188			}
189
190			/**
191			* @param string $name
192			* @return mixed
193			* @throws \RuntimeException
194			* @internal
195			*/
196			function __get($name) {
197			if(\property_exists($this, $name)) {
198			return $this->$name;
199			}
200
201			switch($name) {
202			case 'type':
203			return $this->client->registry->types->get($this->typeID);
204			break;
205			}
206
207			throw new \RuntimeException('Unknown property '.\get_class($this).'::$'.$name);
208			}
209
210			/**
211			* @return mixed
212			* @throws \RuntimeException
213			* @internal
214			*/
215			function __call($name, $args) {
216			if(\property_exists($this, $name)) {
217			$callable = $this->$name;
218			if(\is_callable($callable)) {
219			return $callable(...$args);
220			}
221			}
222
223			throw new \RuntimeException('Unknown method '.\get_class($this).'::'.$name);
224			}
225
226			/**
227			* @return string
228			* @internal
229			*/
230			function serialize() {
231			$vars = \get_object_vars($this);
232
233			unset($vars['client'], $vars['validate'], $vars['parse'], $vars['emptyChecker']);
234
235			return \serialize($vars);
236			}
237
238			/**
239			* @return void
240			* @internal
241			*/
242			function unserialize($vars) {
243			if(\CharlotteDunois\Yasmin\Models\ClientBase::$serializeClient === null) {
244			throw new \Exception('Unable to unserialize a class without ClientBase::$serializeClient being set');
245			}
246
247			$vars = \unserialize($vars);
248
249			foreach($vars as $name => $val) {
250			$this->$name = $val;
251			}
252
253			$this->client = \CharlotteDunois\Yasmin\Models\ClientBase::$serializeClient;
254			}
255
256			/**
257			* Prompts the user and obtains the value for the argument. Resolves with an array of ('value' => mixed, 'cancelled' => string\|null, 'prompts' => Message[], 'answers' => Message[]). Cancelled can be one of user, time and promptLimit.
258			* @param \CharlotteDunois\Livia\CommandMessage $message Message that triggered the command.
259			* @param string\|string[] $value Pre-provided value(s).
260			* @param \CharlotteDunois\Livia\Arguments\ArgumentBag $bag The argument bag.
261			* @param bool\|string\|null $valid Whether the last retrieved value was valid.
262			* @return \React\Promise\ExtendedPromiseInterface
263			*/
264			function obtain(\CharlotteDunois\Livia\CommandMessage $message, $value, \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, $valid = null) {
265			return (new \React\Promise\Promise(function (callable $resolve, callable $reject) use ($message, $value, $bag, $valid) {
266			$empty = ($this->emptyChecker !== null ? $this->emptyChecker($value, $message, $this) : ($this->type !== null ? $this->type->isEmpty($value, $message, $this) : $value === null));
267			if($empty && $this->default !== null) {
268			$bag->values[] = $this->default;
269			return $resolve($bag->done());
270			}
271
272			if($this->infinite) {
273			if(!$empty && $value !== null) {
274			$this->parseInfiniteProvided($message, (\is_array($value) ? $value : array($value)), $bag)->done($resolve, $reject);
275			return;
276			}
277
278			$this->obtainInfinite($message, array(), $bag)->done($resolve, $reject);
279			return;
280			}
281
282			if(!$empty && $valid === null) {
283			$value = \trim($value);
284			$validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
285			if(!($validate instanceof \React\Promise\PromiseInterface)) {
286			$validate = \React\Promise\resolve($validate);
287			}
288
289			return $validate->then(function ($valid) use ($message, $value, $bag) {
290			if($valid !== true) {
291			return $this->obtain($message, $value, $bag, $valid);
292			}
293
294			$parse = ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
295			if(!($parse instanceof \React\Promise\PromiseInterface)) {
296			$parse = \React\Promise\resolve($parse);
297			}
298
299			return $parse->then(function ($value) use ($bag) {
300			$bag->values[] = $value;
301			return $bag->done();
302			});
303			})->done($resolve, $reject);
304			}
305
306			if(\count($bag->prompts) > $bag->promptLimit) {
307			$bag->cancelled = 'promptLimit';
308			return $bag->done();
309			}
310
311			if($empty && $value === null) {
312			$reply = $message->reply($this->prompt.\PHP_EOL.
313			'Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
314			} elseif($valid === false) {
315			$reply = $message->reply('You provided an invalid '.$this->label.'.'.\PHP_EOL.
316			'Please try again. Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
317			} elseif(\is_string($valid)) {
318			$reply = $message->reply($valid.\PHP_EOL.
319			'Please try again. Respond with `cancel` to cancel the command. The command will automatically be cancelled in '.$this->wait.' seconds.');
320			} else {
321			$reply = \React\Promise\resolve(null);
322			}
323
324			// Prompt the user for a new value
325			$reply->done(function ($msg) use ($message, $bag, $resolve, $reject) {
326			if($msg !== null) {
327			$bag->prompts[] = $msg;
328			}
329
330			// Get the user's response
331			$message->message->channel->collectMessages(function ($msg) use ($message) {
332			return ($msg->author->id === $message->message->author->id);
333			}, array(
334			'max' => 1,
335			'time' => $this->wait
336			))->then(function ($messages) use ($message, $bag) {
337			if($messages->count() === 0) {
338			$bag->cancelled = 'time';
339			return $bag->done();
340			}
341
342			$msg = $messages->first();
343			$bag->answers[] = $msg;
344
345			$value = $msg->content;
346
347			if(\mb_strtolower($value) === 'cancel') {
348			$bag->cancelled = 'user';
349			return $bag->done();
350			}
351
352			$validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
353			if(!($validate instanceof \React\Promise\PromiseInterface)) {
354			$validate = \React\Promise\resolve($validate);
355			}
356
357			return $validate->then(function ($valid) use ($message, $value, $bag) {
358			if($valid !== true) {
359			return $this->obtain($message, $value, $bag, $valid);
360			}
361
362			$parse = ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
363			if(!($parse instanceof \React\Promise\PromiseInterface)) {
364			$parse = \React\Promise\resolve($parse);
365			}
366
367			return $parse->then(function ($value) use ($bag) {
368			$bag->values[] = $value;
369			return $bag->done();
370			});
371			});
372			}, function ($error) use ($bag) {
373			if($error instanceof \RangeException) {
374			$bag->cancelled = 'time';
375			return $bag->done();
376			}
377
378			throw $error;
379			})->done($resolve, $reject);
380			}, $reject);
381			}));
382			}
383
384			/**
385			* Prompts the user infinitely and obtains the values for the argument. Resolves with an array of ('values' => mixed, 'cancelled' => string\|null, 'prompts' => Message[], 'answers' => Message[]). Cancelled can be one of user, time and promptLimit.
386			* @param \CharlotteDunois\Livia\CommandMessage $message Message that triggered the command.
387			* @param string[] $values Pre-provided values.
388			* @param \CharlotteDunois\Livia\Arguments\ArgumentBag $bag The argument bag.
389			* @param bool\|string\|null $valid Whether the last retrieved value was valid.
390			* @return \React\Promise\ExtendedPromiseInterface
391			*/
392			protected function obtainInfinite(\CharlotteDunois\Livia\CommandMessage $message, array $values = array(), \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, bool $valid = null) {
393			$value = null;
394			if(!empty($values)) {
395			$value = \array_shift($values);
396			}
397
398			return $this->infiniteObtain($message, $value, $bag, $valid)->then(function ($value) use ($message, &$values, $bag) {
399			if($value instanceof \CharlotteDunois\Livia\Arguments\ArgumentBag && $value->done) {
400			return $value;
401			}
402
403			$bag->values[] = $value;
404			return $this->obtainInfinite($message, $values, $bag);
405			});
406			}
407
408			/**
409			* @return \React\Promise\ExtendedPromiseInterface
410			*/
411			protected function infiniteObtain(\CharlotteDunois\Livia\CommandMessage $message, $value, \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, $valid = null) {
412			if($value === null) {
413			$reply = $message->reply($this->prompt.\PHP_EOL.
414			'Respond with `cancel` to cancel the command, or `finish` to finish entry up to this point.'.\PHP_EOL.
415			'The command will automatically be cancelled in '.$this->wait.' seconds.');
416			} elseif($valid === false) {
417			$escaped = \str_replace('@', "@\u{200B}", \CharlotteDunois\Yasmin\Utils\MessageHelpers::escapeMarkdown($value));
418
419			$reply = $message->reply('You provided an invalid '.$this->label.', "'.(\mb_strlen($escaped) < 1850 ? $escaped : '[too long to show]').'". '.
420			'Please try again.');
421			} elseif(\is_string($valid)) {
422			$reply = $message->reply($valid.\PHP_EOL.
423			'Respond with `cancel` to cancel the command, or `finish` to finish entry up to this point.'.\PHP_EOL.
424			'The command will automatically be cancelled in '.$this->wait.' seconds.');
425			} else {
426			$reply = \React\Promise\resolve(null);
427			}
428
429			return $reply->then(function ($msg) use ($message, $bag) {
430			if($msg !== null) {
431			$bag->prompts[] = $msg;
432			}
433
434			if(\count($bag->prompts) > $bag->promptLimit) {
435			$bag->cancelled = 'promptLimit';
436			return $bag->done();
437			}
438
439			// Get the user's response
440			return $message->message->channel->collectMessages(function ($msg) use ($message) {
441			return ($msg->author->id === $message->message->author->id);
442			}, array(
443			'max' => 1,
444			'time' => $this->wait
445			))->then(function ($messages) use ($message, $bag) {
446			if($messages->count() === 0) {
447			$bag->cancelled = 'time';
448			return $bag->done();
449			}
450
451			$msg = $messages->first();
452			$bag->answers[] = $msg;
453
454			$value = $msg->content;
455
456			if(\mb_strtolower($value) === 'finish') {
457			$bag->cancelled = (\count($bag->values) > 0 ? null : 'user');
458			return $bag->done();
459			} elseif(\mb_strtolower($value) === 'cancel') {
460			$bag->cancelled = 'user';
461			return $bag->done();
462			}
463
464			$validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
465			if(!($validate instanceof \React\Promise\PromiseInterface)) {
466			$validate = \React\Promise\resolve($validate);
467			}
468
469			return $validate->then(function ($valid) use ($message, $value, $bag) {
470			if($valid !== true) {
471			return $this->infiniteObtain($message, $value, $bag, $valid);
472			}
473
474			return ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
475			});
476			}, function ($error) use ($bag) {
477			if($error instanceof \RangeException) {
478			$bag->cancelled = 'time';
479			return $bag->done();
480			}
481
482			throw $error;
483			});
484			});
485			}
486
487			/**
488			* Parses the provided infinite arguments.
489			* @param \CharlotteDunois\Livia\CommandMessage $message Message that triggered the command.
490			* @param string[] $values Pre-provided values.
491			* @param \CharlotteDunois\Livia\Arguments\ArgumentBag $bag The argument bag.
492			* @param int $i Current index of current argument value.
493			* @return \React\Promise\ExtendedPromiseInterface
494			*/
495			protected function parseInfiniteProvided(\CharlotteDunois\Livia\CommandMessage $message, array $values = array(), \CharlotteDunois\Livia\Arguments\ArgumentBag $bag, int $i = 0) {
496			if(empty($values)) {
497			return $this->obtainInfinite($message, array(), $bag);
498			}
499
500			return (new \React\Promise\Promise(function (callable $resolve, callable $reject) use ($message, &$values, $bag, $i) {
501			$value = $values[$i];
502			$val = null;
503
504			$validate = ($this->validate ? array($this, 'validate') : array($this->type, 'validate'))($value, $message, $this);
505			if(!($validate instanceof \React\Promise\PromiseInterface)) {
506			$validate = \React\Promise\resolve($validate);
507			}
508
509			return $validate->then(function ($valid) use ($message, $value, $bag, &$val) {
510			if($valid !== true) {
511			$val = $valid;
512			return $this->obtainInfinite($message, array($value), $bag, $val);
513			}
514
515			return ($this->parse ? array($this, 'parse') : array($this->type, 'parse'))($value, $message, $this);
516			})->then(function ($value) use ($message, &$values, $bag, $i, &$val) {
517			if($val !== null) {
518			return $value;
519			}
520
521			$bag->values[] = $value;
522			$i++;
523
524			if($i < \count($values)) {
525			return $this->parseInfiniteProvided($message, $values, $bag, $i);
526			}
527
528			return $bag->done();
529			})->done($resolve, $reject);
530			}));
531			}
532			}
533

CharlotteDunois / Livia

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Argument::__construct() B

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