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<?php declare( strict_types=1 ); |
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namespace BotRiconferme; |
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use BotRiconferme\Exception\ConfigException; |
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use BotRiconferme\Exception\MissingPageException; |
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use BotRiconferme\Wiki\Wiki; |
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/** |
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* Singleton class holding user-defined config |
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*/ |
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class Config { |
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public const REQUIRED_OPTS = [ |
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'username', |
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'list-title', |
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'config-title', |
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'msg-title', |
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'password' |
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]; |
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/** @var self */ |
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private static $instance; |
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/** @var array */ |
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private $opts = []; |
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/** @var Wiki */ |
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private $wiki; |
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/** |
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* Use self::init() and self::getInstance() |
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* |
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* @param Wiki $wiki |
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*/ |
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private function __construct( Wiki $wiki ) { |
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$this->wiki = $wiki; |
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} |
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/** |
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* Initialize a new self instance with CLI params set and retrieve on-wiki config. |
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* |
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* @param array $defaults |
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* @param Wiki $wiki |
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* @throws ConfigException |
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*/ |
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public static function init( array $defaults, Wiki $wiki ) : void { |
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if ( self::$instance ) { |
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throw new ConfigException( 'Config was already initialized' ); |
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} |
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$inst = new self( $wiki ); |
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$inst->set( 'list-title', $defaults['list-title'] ); |
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$inst->set( 'msg-title', $defaults['msg-title'] ); |
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$inst->set( 'username', $defaults['username'] ); |
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$inst->set( 'password', $defaults['password'] ); |
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// On-wiki values |
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try { |
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$conf = $inst->wiki->getPageContent( $defaults[ 'config-title' ] ); |
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} catch ( MissingPageException $_ ) { |
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throw new ConfigException( 'Please create a config page.' ); |
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} |
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foreach ( json_decode( $conf, true ) as $key => $val ) { |
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$inst->set( $key, $val ); |
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} |
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self::$instance = $inst; |
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} |
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/** |
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* Set a config value. |
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* |
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* @param string $key |
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* @param mixed $value |
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*/ |
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protected function set( string $key, $value ) : void { |
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$this->opts[ $key ] = $value; |
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} |
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/** |
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* Generic instance getter |
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* |
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* @return self |
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* @throws ConfigException |
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*/ |
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public static function getInstance() : self { |
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if ( !self::$instance ) { |
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throw new ConfigException( 'Config not yet initialized' ); |
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} |
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return self::$instance; |
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} |
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/** |
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* Get the requested option, or fail if it doesn't exist |
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* |
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* @param string $opt |
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* @return mixed |
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* @throws ConfigException |
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*/ |
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public function get( string $opt ) { |
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if ( !isset( $this->opts[ $opt ] ) ) { |
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throw new ConfigException( "Config option '$opt' not set." ); |
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} |
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return $this->opts[ $opt ]; |
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} |
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} |
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Daimona /
BotRiconferme
