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<?php |
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namespace Nopolabs\Yabot\Plugin; |
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use Exception; |
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use Nopolabs\Yabot\Helpers\LogTrait; |
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use Nopolabs\Yabot\Message\Message; |
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use Nopolabs\Yabot\Yabot; |
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use Psr\Log\LoggerInterface; |
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use Throwable; |
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class PluginManager |
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{ |
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use LogTrait; |
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const NO_PREFIX = '<none>'; |
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const AUTHED_USER_PREFIX = '<authed_user>'; |
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const DEFAULT_PRIORITY = 100; |
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/** @var array */ |
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protected $pluginMap; |
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/** @var array */ |
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protected $priorityMap; |
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public function __construct(LoggerInterface $logger) |
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{ |
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$this->setLog($logger); |
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$this->priorityMap = []; |
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} |
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public function loadPlugin($pluginId, PluginInterface $plugin) |
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{ |
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if (isset($this->pluginMap[$pluginId])) { |
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$this->warning("$pluginId already loaded, ignoring duplicate."); |
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return; |
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} |
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$this->addPlugin($pluginId, $plugin); |
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$this->info('loaded', ['pluginId' => $pluginId, 'prefix' => $plugin->getPrefix()]); |
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} |
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public function getHelp() : array |
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{ |
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$help = []; |
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foreach ($this->getPluginMap() as $pluginId => $plugin) { |
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/** @var PluginInterface $plugin */ |
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$help[] = $pluginId; |
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foreach (explode("\n", trim($plugin->help())) as $line) { |
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$prefix = $plugin->getPrefix(); |
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$prefix = ($prefix === self::NO_PREFIX) ? '' : $prefix; |
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$help[] = ' '.str_replace('<prefix>', $prefix, $line); |
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} |
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} |
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return $help; |
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} |
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public function getStatuses() : array |
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{ |
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$count = count($this->getPluginMap()); |
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$statuses = []; |
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$statuses[] = "There are $count plugins loaded."; |
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foreach ($this->getPluginMap() as $pluginId => $plugin) { |
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/** @var PluginInterface $plugin */ |
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$statuses[] = "$pluginId ".$plugin->status(); |
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} |
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return $statuses; |
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} |
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public function updatePrefixes($authedUsername) |
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{ |
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$updatedPriorityMap = []; |
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foreach ($this->getPriorityMap() as $priority => $prefixMap) { |
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$updatedPrefixMap = []; |
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foreach ($prefixMap as $prefix => $plugins) { |
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if ($prefix === self::AUTHED_USER_PREFIX) { |
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$prefix = '@'.$authedUsername; |
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} |
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$updatedPrefixMap[$prefix] = $plugins; |
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} |
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$updatedPriorityMap[$priority] = $updatedPrefixMap; |
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} |
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$this->priorityMap = $updatedPriorityMap; |
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} |
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public function matchesPrefix($prefix, $text) : array |
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{ |
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if ($prefix === self::NO_PREFIX) { |
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return [$text, $text]; |
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} |
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preg_match("/^$prefix\\s+(.*)/", $text, $matches); |
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return $matches; |
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} |
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public function dispatchMessage(Message $message) |
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{ |
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$text = $message->getFormattedText(); |
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$this->info('dispatchMessage: ', ['formattedText' => $text]); |
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foreach ($this->getPriorityMap() as $priority => $prefixMap) { |
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$this->debug("Dispatching priority $priority"); |
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$this->dispatchToPrefixes($prefixMap, $message, $text); |
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if ($message->isHandled()) { |
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return; |
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} |
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} |
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} |
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protected function dispatchToPrefixes(array $prefixMap, Message $message, string $text) |
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{ |
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foreach ($prefixMap as $prefix => $plugins) { |
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if ($matches = $this->matchesPrefix($prefix, $text)) { |
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$this->debug("Dispatching prefix '$prefix'"); |
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$message->setPluginText(ltrim($matches[1])); |
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$this->dispatchToPlugins($plugins, $message); |
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if ($message->isHandled()) { |
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return; |
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} |
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} |
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} |
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} |
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protected function dispatchToPlugins(array $plugins, Message $message) |
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{ |
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foreach ($plugins as $pluginId => $plugin) { |
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/** @var PluginInterface $plugin */ |
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try { |
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$plugin->handle($message); |
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} catch (Throwable $throwable) { |
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$errmsg = "Unhandled Exception in $pluginId\n" |
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.$throwable->getMessage()."\n" |
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.$throwable->getTraceAsString()."\n" |
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."Payload data: ".json_encode($message->getData()); |
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$this->warning($errmsg); |
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} |
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if ($message->isHandled()) { |
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return; |
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} |
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} |
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} |
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protected function addPlugin($pluginId, PluginInterface $plugin) |
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{ |
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$this->pluginMap[$pluginId] = $plugin; |
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$priority = $plugin->getPriority(); |
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if (!isset($this->priorityMap[$priority])) { |
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$this->priorityMap[$priority] = []; |
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} |
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$prefix = $plugin->getPrefix(); |
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if (!isset($this->priorityMap[$priority][$prefix])) { |
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$this->priorityMap[$priority][$prefix] = []; |
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} |
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$this->priorityMap[$priority][$prefix][$pluginId] = $plugin; |
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krsort($this->priorityMap); |
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} |
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protected function getPluginMap() : array |
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{ |
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return $this->pluginMap; |
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} |
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protected function getPriorityMap() : array |
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{ |
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return $this->priorityMap; |
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} |
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protected function setPriorityMap(array $priorityMap) |
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{ |
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$this->priorityMap = $priorityMap; |
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} |
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} |
nopolabs /
yabot
