Elgg\Database\Plugins::generateEntities()

Complexity

Conditions	16
Paths	510

Size

Total Lines	113
Code Lines	57

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	48
CRAP Score	16.528

Importance

Changes

0

<?php
	public function generateEntities(): bool {
		$mod_dir = $this->getPath();

		// ignore access in case this is called with no admin logged in - needed for creating plugins perhaps?
		$old_ia = $this->session_manager->setIgnoreAccess(true);

		// show hidden entities so that we can enable them if appropriate
		$old_access = $this->session_manager->setDisabledEntityVisibility(true);

		$known_plugins = $this->find('all');
		if (empty($known_plugins)) {
			$known_plugins = [];
		}

		// keeps track if reindexing is needed
		$reindex = false;
		
		// map paths to indexes
		$id_map = [];
		$latest_priority = -1;
		foreach ($known_plugins as $i => $plugin) {
			// if the ID is wrong, delete the plugin because we can never load it.
			$id = $plugin->getID();
			if (!$id) {
				$plugin->delete();
				unset($known_plugins[$i]);
				continue;
			}
			
			$id_map[$plugin->getID()] = $i;
			$plugin->cache();
			
			// disabled plugins should have no priority, so no need to check if the priority is incorrect
			if (!$plugin->isEnabled()) {
				continue;
			}
			
			$current_priority = $plugin->getPriority();
			if (($current_priority - $latest_priority) > 1) {
				$reindex = true;
			}
			
			$latest_priority = $current_priority;
		}

		$physical_plugins = $this->getDirsInDir($mod_dir);
		if (empty($physical_plugins)) {
			$this->session_manager->setIgnoreAccess($old_ia);
			$this->session_manager->setDisabledEntityVisibility($old_access);

			return false;
		}

		// check real plugins against known ones
		foreach ($physical_plugins as $plugin_id) {
			// is this already in the db?
			if (array_key_exists($plugin_id, $id_map)) {
				$index = $id_map[$plugin_id];
				$plugin = $known_plugins[$index];
				// was this plugin deleted and its entity disabled?
				if (!$plugin->isEnabled()) {
					$plugin->enable();
					try {
						$plugin->deactivate();
					} catch (PluginException $e) {
						// do nothing
					}
					
					$plugin->setPriority('new');
				}

				// remove from the list of plugins to disable
				unset($known_plugins[$index]);
			} else {
				// create new plugin
				// priority is forced to last in save() if not set.
				$plugin = \ElggPlugin::fromId($plugin_id);
				$plugin->cache();
			}
		}

		// everything remaining in $known_plugins needs to be disabled
		// because they are entities, but their dirs were removed.
		// don't delete the entities because they hold settings.
		foreach ($known_plugins as $plugin) {
			if (!$plugin->isEnabled()) {
				continue;
			}
			
			$reindex = true;
			
			if ($plugin->isActive()) {
				try {
					$plugin->deactivate();
				} catch (PluginException $e) {
					// do nothing
				}
			}
			
			// remove the priority.
			$plugin->deleteMetadata(\ElggPlugin::PRIORITY_SETTING_NAME);
			
			$plugin->disable();
		}
		
		if ($reindex) {
			$this->reindexPriorities();
		}

		$this->session_manager->setIgnoreAccess($old_ia);
		$this->session_manager->setDisabledEntityVisibility($old_access);

		return true;
	}